./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e1a00cf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 db1a0648fa242e1728c1c06c3b545dcc4e795062 ....................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 db1a0648fa242e1728c1c06c3b545dcc4e795062 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-0e1a00c [2020-11-29 14:24:40,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 14:24:40,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 14:24:40,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 14:24:40,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 14:24:40,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 14:24:41,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 14:24:41,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 14:24:41,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 14:24:41,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 14:24:41,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 14:24:41,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 14:24:41,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 14:24:41,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 14:24:41,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 14:24:41,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 14:24:41,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 14:24:41,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 14:24:41,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 14:24:41,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 14:24:41,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 14:24:41,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 14:24:41,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 14:24:41,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 14:24:41,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 14:24:41,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 14:24:41,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 14:24:41,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 14:24:41,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 14:24:41,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 14:24:41,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 14:24:41,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 14:24:41,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 14:24:41,066 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 14:24:41,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 14:24:41,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 14:24:41,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 14:24:41,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 14:24:41,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 14:24:41,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 14:24:41,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 14:24:41,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 14:24:41,126 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 14:24:41,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 14:24:41,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 14:24:41,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 14:24:41,131 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 14:24:41,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 14:24:41,132 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 14:24:41,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 14:24:41,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 14:24:41,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 14:24:41,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 14:24:41,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 14:24:41,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 14:24:41,135 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 14:24:41,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 14:24:41,135 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 14:24:41,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 14:24:41,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 14:24:41,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 14:24:41,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 14:24:41,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 14:24:41,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 14:24:41,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 14:24:41,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 14:24:41,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 14:24:41,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 14:24:41,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 14:24:41,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 14:24:41,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 14:24:41,139 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db1a0648fa242e1728c1c06c3b545dcc4e795062 [2020-11-29 14:24:41,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 14:24:41,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 14:24:41,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 14:24:41,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 14:24:41,630 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 14:24:41,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270a.c [2020-11-29 14:24:41,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07d6101b0/f82b53498dcf40d8a940068f6a370419/FLAGc536012ba [2020-11-29 14:24:42,301 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 14:24:42,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0270a.c [2020-11-29 14:24:42,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07d6101b0/f82b53498dcf40d8a940068f6a370419/FLAGc536012ba [2020-11-29 14:24:42,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07d6101b0/f82b53498dcf40d8a940068f6a370419 [2020-11-29 14:24:42,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 14:24:42,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 14:24:42,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 14:24:42,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 14:24:42,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 14:24:42,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:24:42" (1/1) ... [2020-11-29 14:24:42,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c83b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:42, skipping insertion in model container [2020-11-29 14:24:42,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:24:42" (1/1) ... [2020-11-29 14:24:42,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 14:24:42,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 14:24:42,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:24:42,971 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 14:24:43,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:24:43,067 INFO L208 MainTranslator]: Completed translation [2020-11-29 14:24:43,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43 WrapperNode [2020-11-29 14:24:43,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 14:24:43,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 14:24:43,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 14:24:43,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 14:24:43,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43" (1/1) ... [2020-11-29 14:24:43,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43" (1/1) ... [2020-11-29 14:24:43,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 14:24:43,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 14:24:43,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 14:24:43,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 14:24:43,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43" (1/1) ... [2020-11-29 14:24:43,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43" (1/1) ... [2020-11-29 14:24:43,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43" (1/1) ... [2020-11-29 14:24:43,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43" (1/1) ... [2020-11-29 14:24:43,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43" (1/1) ... [2020-11-29 14:24:43,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43" (1/1) ... [2020-11-29 14:24:43,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43" (1/1) ... [2020-11-29 14:24:43,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 14:24:43,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 14:24:43,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 14:24:43,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 14:24:43,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 14:24:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 14:24:43,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 14:24:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 14:24:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 14:24:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 14:24:43,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 14:24:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 14:24:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 14:24:43,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 14:24:44,026 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 14:24:44,027 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-29 14:24:44,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:24:44 BoogieIcfgContainer [2020-11-29 14:24:44,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 14:24:44,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 14:24:44,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 14:24:44,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 14:24:44,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:24:42" (1/3) ... [2020-11-29 14:24:44,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd2645d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:24:44, skipping insertion in model container [2020-11-29 14:24:44,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:43" (2/3) ... [2020-11-29 14:24:44,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd2645d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:24:44, skipping insertion in model container [2020-11-29 14:24:44,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:24:44" (3/3) ... [2020-11-29 14:24:44,044 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2020-11-29 14:24:44,066 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 14:24:44,071 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 14:24:44,085 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 14:24:44,133 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 14:24:44,134 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 14:24:44,134 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 14:24:44,134 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 14:24:44,135 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 14:24:44,135 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 14:24:44,135 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 14:24:44,135 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 14:24:44,157 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-11-29 14:24:44,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 14:24:44,166 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:24:44,167 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:24:44,168 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:24:44,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:24:44,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2020-11-29 14:24:44,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 14:24:44,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100479414] [2020-11-29 14:24:44,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 14:24:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:24:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:24:44,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100479414] [2020-11-29 14:24:44,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:24:44,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 14:24:44,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930218803] [2020-11-29 14:24:44,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 14:24:44,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 14:24:44,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 14:24:44,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 14:24:44,457 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-11-29 14:24:44,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:24:44,493 INFO L93 Difference]: Finished difference Result 119 states and 193 transitions. [2020-11-29 14:24:44,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 14:24:44,496 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-29 14:24:44,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:24:44,513 INFO L225 Difference]: With dead ends: 119 [2020-11-29 14:24:44,514 INFO L226 Difference]: Without dead ends: 57 [2020-11-29 14:24:44,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 14:24:44,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-29 14:24:44,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-29 14:24:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-29 14:24:44,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2020-11-29 14:24:44,592 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2020-11-29 14:24:44,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:24:44,593 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2020-11-29 14:24:44,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 14:24:44,593 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-29 14:24:44,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 14:24:44,595 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:24:44,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:24:44,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 14:24:44,597 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:24:44,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:24:44,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2020-11-29 14:24:44,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 14:24:44,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765826973] [2020-11-29 14:24:44,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 14:24:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 14:24:44,693 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 14:24:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 14:24:44,743 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 14:24:44,791 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 14:24:44,792 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 14:24:44,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 14:24:44,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:24:44 BoogieIcfgContainer [2020-11-29 14:24:44,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 14:24:44,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 14:24:44,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 14:24:44,850 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 14:24:44,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:24:44" (3/4) ... [2020-11-29 14:24:44,854 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 14:24:44,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 14:24:44,857 INFO L168 Benchmark]: Toolchain (without parser) took 2194.93 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.9 MB in the beginning and 22.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2020-11-29 14:24:44,858 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 23.3 MB in the beginning and 23.3 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 14:24:44,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.31 ms. Allocated memory is still 48.2 MB. Free memory was 23.2 MB in the beginning and 20.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-29 14:24:44,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.02 ms. Allocated memory is still 48.2 MB. Free memory was 20.9 MB in the beginning and 30.4 MB in the end (delta: -9.5 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. [2020-11-29 14:24:44,861 INFO L168 Benchmark]: Boogie Preprocessor took 46.17 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 28.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 14:24:44,862 INFO L168 Benchmark]: RCFGBuilder took 845.67 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.2 MB in the beginning and 30.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-11-29 14:24:44,863 INFO L168 Benchmark]: TraceAbstraction took 815.97 ms. Allocated memory is still 58.7 MB. Free memory was 30.2 MB in the beginning and 22.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2020-11-29 14:24:44,864 INFO L168 Benchmark]: Witness Printer took 5.23 ms. Allocated memory is still 58.7 MB. Free memory was 22.3 MB in the beginning and 22.0 MB in the end (delta: 340.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 14:24:44,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 23.3 MB in the beginning and 23.3 MB in the end (delta: 30.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 400.31 ms. Allocated memory is still 48.2 MB. Free memory was 23.2 MB in the beginning and 20.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.02 ms. Allocated memory is still 48.2 MB. Free memory was 20.9 MB in the beginning and 30.4 MB in the end (delta: -9.5 MB). Peak memory consumption was 2.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.17 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 28.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 845.67 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.2 MB in the beginning and 30.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 815.97 ms. Allocated memory is still 58.7 MB. Free memory was 30.2 MB in the beginning and 22.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.23 ms. Allocated memory is still 58.7 MB. Free memory was 22.3 MB in the beginning and 22.0 MB in the end (delta: 340.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 199, overapproximation of someUnaryDOUBLEoperation at line 113, overapproximation of bitwiseAnd at line 127, overapproximation of someUnaryFLOAToperation at line 195, overapproximation of someBinaryArithmeticFLOAToperation at line 130. Possible FailurePath: [L26] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L109-L117] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L195] float x = -0.0f; [L120] float t, w, p, q, c, r, s; [L121] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L128] COND TRUE ix == 0x3f800000 [L130] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L196] float res = __ieee754_asinf(x); [L199] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L199] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L3] __assert_fail("0", "float_req_bl_0270a.c", 3, "reach_error") VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 78 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 0.2.0-0e1a00c [2020-11-29 14:24:47,447 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-11-29 14:24:47,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 14:24:47,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 14:24:47,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 14:24:47,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 14:24:47,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 14:24:47,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 14:24:47,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 14:24:47,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 14:24:47,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 14:24:47,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 14:24:47,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 14:24:47,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 14:24:47,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-29 14:24:47,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 14:24:47,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 14:24:47,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 14:24:47,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 14:24:47,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 14:24:47,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 14:24:47,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 14:24:47,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 14:24:47,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 14:24:47,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 14:24:47,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 14:24:47,586 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 14:24:47,642 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 14:24:47,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 14:24:47,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 14:24:47,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 14:24:47,647 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 14:24:47,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 14:24:47,647 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 14:24:47,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 14:24:47,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 14:24:47,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 14:24:47,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 14:24:47,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 14:24:47,650 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 14:24:47,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 14:24:47,650 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 14:24:47,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 14:24:47,651 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 14:24:47,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 14:24:47,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 14:24:47,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 14:24:47,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 14:24:47,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 14:24:47,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 14:24:47,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 14:24:47,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 14:24:47,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 14:24:47,654 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 14:24:47,654 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 14:24:47,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 14:24:47,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 14:24:47,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 14:24:47,655 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db1a0648fa242e1728c1c06c3b545dcc4e795062 [2020-11-29 14:24:48,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 14:24:48,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 14:24:48,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 14:24:48,105 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 14:24:48,106 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 14:24:48,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0270a.c [2020-11-29 14:24:48,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198e76233/6a644cfb65f046459975ba489a3b84d2/FLAGa97d137a6 [2020-11-29 14:24:48,793 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 14:24:48,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0270a.c [2020-11-29 14:24:48,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198e76233/6a644cfb65f046459975ba489a3b84d2/FLAGa97d137a6 [2020-11-29 14:24:49,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198e76233/6a644cfb65f046459975ba489a3b84d2 [2020-11-29 14:24:49,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 14:24:49,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 14:24:49,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 14:24:49,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 14:24:49,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 14:24:49,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:24:49" (1/1) ... [2020-11-29 14:24:49,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2cff66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49, skipping insertion in model container [2020-11-29 14:24:49,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:24:49" (1/1) ... [2020-11-29 14:24:49,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 14:24:49,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 14:24:49,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:24:49,659 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 14:24:49,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 14:24:49,803 INFO L208 MainTranslator]: Completed translation [2020-11-29 14:24:49,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49 WrapperNode [2020-11-29 14:24:49,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 14:24:49,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 14:24:49,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 14:24:49,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 14:24:49,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49" (1/1) ... [2020-11-29 14:24:49,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49" (1/1) ... [2020-11-29 14:24:49,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 14:24:49,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 14:24:49,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 14:24:49,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 14:24:49,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49" (1/1) ... [2020-11-29 14:24:49,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49" (1/1) ... [2020-11-29 14:24:49,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49" (1/1) ... [2020-11-29 14:24:49,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49" (1/1) ... [2020-11-29 14:24:49,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49" (1/1) ... [2020-11-29 14:24:49,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49" (1/1) ... [2020-11-29 14:24:49,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49" (1/1) ... [2020-11-29 14:24:49,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 14:24:49,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 14:24:49,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 14:24:49,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 14:24:49,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 14:24:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 14:24:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 14:24:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-29 14:24:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 14:24:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 14:24:50,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 14:24:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-29 14:24:50,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 14:24:50,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 14:25:05,489 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 14:25:05,489 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-29 14:25:05,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:25:05 BoogieIcfgContainer [2020-11-29 14:25:05,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 14:25:05,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 14:25:05,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 14:25:05,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 14:25:05,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:24:49" (1/3) ... [2020-11-29 14:25:05,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fa37e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:25:05, skipping insertion in model container [2020-11-29 14:25:05,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:24:49" (2/3) ... [2020-11-29 14:25:05,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fa37e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:25:05, skipping insertion in model container [2020-11-29 14:25:05,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:25:05" (3/3) ... [2020-11-29 14:25:05,502 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a.c [2020-11-29 14:25:05,518 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 14:25:05,522 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 14:25:05,535 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 14:25:05,563 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 14:25:05,564 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 14:25:05,564 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 14:25:05,564 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 14:25:05,564 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 14:25:05,564 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 14:25:05,565 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 14:25:05,565 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 14:25:05,580 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-11-29 14:25:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 14:25:05,585 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:25:05,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:25:05,587 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:25:05,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:25:05,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1900514974, now seen corresponding path program 1 times [2020-11-29 14:25:05,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 14:25:05,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364497301] [2020-11-29 14:25:05,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 14:25:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:25:06,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 14:25:06,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 14:25:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:25:06,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 14:25:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:25:06,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364497301] [2020-11-29 14:25:06,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:25:06,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 14:25:06,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427089916] [2020-11-29 14:25:06,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 14:25:06,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 14:25:06,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 14:25:06,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 14:25:06,360 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-11-29 14:25:06,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:25:06,387 INFO L93 Difference]: Finished difference Result 119 states and 193 transitions. [2020-11-29 14:25:06,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 14:25:06,388 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-29 14:25:06,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:25:06,401 INFO L225 Difference]: With dead ends: 119 [2020-11-29 14:25:06,402 INFO L226 Difference]: Without dead ends: 57 [2020-11-29 14:25:06,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 14:25:06,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-29 14:25:06,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-29 14:25:06,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-29 14:25:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2020-11-29 14:25:06,448 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 9 [2020-11-29 14:25:06,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:25:06,449 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2020-11-29 14:25:06,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 14:25:06,449 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2020-11-29 14:25:06,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 14:25:06,450 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:25:06,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:25:06,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 14:25:06,664 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:25:06,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:25:06,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1487835839, now seen corresponding path program 1 times [2020-11-29 14:25:06,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 14:25:06,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852781919] [2020-11-29 14:25:06,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 14:25:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:25:07,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-29 14:25:07,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 14:25:07,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:25:07,574 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 14:25:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:25:07,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852781919] [2020-11-29 14:25:07,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:25:07,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-29 14:25:07,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893141824] [2020-11-29 14:25:07,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-29 14:25:07,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 14:25:07,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-29 14:25:07,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-29 14:25:07,985 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 8 states. [2020-11-29 14:25:09,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:25:09,591 INFO L93 Difference]: Finished difference Result 104 states and 135 transitions. [2020-11-29 14:25:09,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 14:25:09,592 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-11-29 14:25:09,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:25:09,594 INFO L225 Difference]: With dead ends: 104 [2020-11-29 14:25:09,594 INFO L226 Difference]: Without dead ends: 57 [2020-11-29 14:25:09,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-29 14:25:09,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-29 14:25:09,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-29 14:25:09,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-29 14:25:09,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2020-11-29 14:25:09,607 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 10 [2020-11-29 14:25:09,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:25:09,607 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2020-11-29 14:25:09,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-29 14:25:09,607 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2020-11-29 14:25:09,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 14:25:09,608 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:25:09,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:25:09,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 14:25:09,822 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:25:09,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:25:09,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1089938183, now seen corresponding path program 1 times [2020-11-29 14:25:09,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 14:25:09,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826620380] [2020-11-29 14:25:09,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-29 14:25:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:25:10,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 14:25:10,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 14:25:10,659 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2020-11-29 14:25:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:25:10,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 14:25:10,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:25:10,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826620380] [2020-11-29 14:25:10,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:25:10,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2020-11-29 14:25:10,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372877493] [2020-11-29 14:25:10,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 14:25:10,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 14:25:10,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 14:25:10,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-29 14:25:10,927 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand 7 states. [2020-11-29 14:25:11,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:25:11,641 INFO L93 Difference]: Finished difference Result 69 states and 80 transitions. [2020-11-29 14:25:11,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 14:25:11,642 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-11-29 14:25:11,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:25:11,644 INFO L225 Difference]: With dead ends: 69 [2020-11-29 14:25:11,644 INFO L226 Difference]: Without dead ends: 66 [2020-11-29 14:25:11,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-11-29 14:25:11,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-11-29 14:25:11,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59. [2020-11-29 14:25:11,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-29 14:25:11,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2020-11-29 14:25:11,656 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2020-11-29 14:25:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:25:11,657 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2020-11-29 14:25:11,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 14:25:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2020-11-29 14:25:11,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 14:25:11,658 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:25:11,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:25:11,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-29 14:25:11,873 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:25:11,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:25:11,875 INFO L82 PathProgramCache]: Analyzing trace with hash 980104924, now seen corresponding path program 1 times [2020-11-29 14:25:11,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 14:25:11,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684478432] [2020-11-29 14:25:11,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-29 14:25:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:25:12,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-29 14:25:12,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 14:25:12,767 INFO L626 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 14:25:13,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:25:13,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 14:25:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:25:14,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684478432] [2020-11-29 14:25:14,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:25:14,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2020-11-29 14:25:14,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109271966] [2020-11-29 14:25:14,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-29 14:25:14,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 14:25:14,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-29 14:25:14,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-29 14:25:14,521 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand 14 states. [2020-11-29 14:25:15,518 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-29 14:25:15,802 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-11-29 14:25:16,004 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-11-29 14:25:16,211 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-11-29 14:25:16,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:25:16,579 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2020-11-29 14:25:16,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 14:25:16,580 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 18 [2020-11-29 14:25:16,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:25:16,581 INFO L225 Difference]: With dead ends: 66 [2020-11-29 14:25:16,581 INFO L226 Difference]: Without dead ends: 57 [2020-11-29 14:25:16,582 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-11-29 14:25:16,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-29 14:25:16,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-29 14:25:16,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-29 14:25:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2020-11-29 14:25:16,592 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 18 [2020-11-29 14:25:16,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:25:16,593 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2020-11-29 14:25:16,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-29 14:25:16,593 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2020-11-29 14:25:16,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 14:25:16,594 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 14:25:16,595 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 14:25:16,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-29 14:25:16,797 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 14:25:16,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 14:25:16,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1296197232, now seen corresponding path program 1 times [2020-11-29 14:25:16,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 14:25:16,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007536483] [2020-11-29 14:25:16,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-11-29 14:25:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 14:25:18,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 14:25:18,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 14:25:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:25:18,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 14:25:19,443 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-11-29 14:25:19,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 14:25:19,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007536483] [2020-11-29 14:25:19,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 14:25:19,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-11-29 14:25:19,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830679331] [2020-11-29 14:25:19,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 14:25:19,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 14:25:19,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 14:25:19,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-29 14:25:19,863 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand 6 states. [2020-11-29 14:25:19,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 14:25:19,984 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2020-11-29 14:25:19,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 14:25:19,990 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-29 14:25:19,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 14:25:19,991 INFO L225 Difference]: With dead ends: 57 [2020-11-29 14:25:19,991 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 14:25:19,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-29 14:25:19,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 14:25:19,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 14:25:19,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 14:25:19,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 14:25:19,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2020-11-29 14:25:19,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 14:25:19,993 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 14:25:19,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 14:25:19,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 14:25:19,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 14:25:20,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-29 14:25:20,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 14:25:20,473 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-11-29 14:25:20,728 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-11-29 14:25:20,918 INFO L258 CegarLoopResult]: At program point L184(lines 119 185) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.neg (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) [2020-11-29 14:25:20,918 INFO L262 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-11-29 14:25:20,918 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 14:25:20,918 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 14:25:20,919 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 14:25:20,919 INFO L262 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-11-29 14:25:20,919 INFO L258 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: false [2020-11-29 14:25:20,919 INFO L262 CegarLoopResult]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2020-11-29 14:25:20,919 INFO L262 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-11-29 14:25:20,919 INFO L262 CegarLoopResult]: For program point L170-1(lines 162 180) no Hoare annotation was computed. [2020-11-29 14:25:20,920 INFO L262 CegarLoopResult]: For program point L170-2(lines 170 174) no Hoare annotation was computed. [2020-11-29 14:25:20,920 INFO L265 CegarLoopResult]: At program point L204(lines 187 205) the Hoare annotation is: true [2020-11-29 14:25:20,920 INFO L262 CegarLoopResult]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2020-11-29 14:25:20,920 INFO L258 CegarLoopResult]: At program point L122-2(lines 122 126) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_asinf_~x (fp.neg (_ +zero 8 24))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_asin~0) (= ~huge_asin~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000.0)))) [2020-11-29 14:25:20,921 INFO L262 CegarLoopResult]: For program point L56(lines 56 57) no Hoare annotation was computed. [2020-11-29 14:25:20,921 INFO L262 CegarLoopResult]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2020-11-29 14:25:20,921 INFO L258 CegarLoopResult]: At program point L23(lines 14 24) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short28| (= (bvadd |ULTIMATE.start___signbit_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.neg (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= .cse0 ULTIMATE.start___signbit_float_~x) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= .cse0 ULTIMATE.start_main_~res~0) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) .cse0) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) [2020-11-29 14:25:20,921 INFO L262 CegarLoopResult]: For program point L56-2(lines 56 57) no Hoare annotation was computed. [2020-11-29 14:25:20,921 INFO L258 CegarLoopResult]: At program point L106(lines 94 107) the Hoare annotation is: false [2020-11-29 14:25:20,922 INFO L262 CegarLoopResult]: For program point L40(lines 40 41) no Hoare annotation was computed. [2020-11-29 14:25:20,922 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 14:25:20,922 INFO L262 CegarLoopResult]: For program point L75(lines 75 84) no Hoare annotation was computed. [2020-11-29 14:25:20,922 INFO L258 CegarLoopResult]: At program point L92(lines 28 93) the Hoare annotation is: false [2020-11-29 14:25:20,922 INFO L262 CegarLoopResult]: For program point L43(lines 43 44) no Hoare annotation was computed. [2020-11-29 14:25:20,922 INFO L262 CegarLoopResult]: For program point L159(lines 159 180) no Hoare annotation was computed. [2020-11-29 14:25:20,923 INFO L262 CegarLoopResult]: For program point L159-2(lines 119 185) no Hoare annotation was computed. [2020-11-29 14:25:20,923 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-11-29 14:25:20,923 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 14:25:20,923 INFO L262 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2020-11-29 14:25:20,923 INFO L262 CegarLoopResult]: For program point L128(lines 128 148) no Hoare annotation was computed. [2020-11-29 14:25:20,924 INFO L262 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-11-29 14:25:20,924 INFO L262 CegarLoopResult]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2020-11-29 14:25:20,924 INFO L258 CegarLoopResult]: At program point L96-2(lines 96 100) the Hoare annotation is: false [2020-11-29 14:25:20,924 INFO L258 CegarLoopResult]: At program point L64-2(lines 64 73) the Hoare annotation is: false [2020-11-29 14:25:20,924 INFO L262 CegarLoopResult]: For program point L64-3(lines 28 93) no Hoare annotation was computed. [2020-11-29 14:25:20,925 INFO L262 CegarLoopResult]: For program point L131(lines 131 148) no Hoare annotation was computed. [2020-11-29 14:25:20,925 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 14:25:20,925 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 14:25:20,925 INFO L262 CegarLoopResult]: For program point L49(lines 49 53) no Hoare annotation was computed. [2020-11-29 14:25:20,925 INFO L262 CegarLoopResult]: For program point L49-2(lines 49 53) no Hoare annotation was computed. [2020-11-29 14:25:20,925 INFO L262 CegarLoopResult]: For program point L165-1(lines 165 169) no Hoare annotation was computed. [2020-11-29 14:25:20,926 INFO L258 CegarLoopResult]: At program point L165-2(lines 165 169) the Hoare annotation is: false [2020-11-29 14:25:20,926 INFO L262 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-11-29 14:25:20,926 INFO L262 CegarLoopResult]: For program point L33-1(lines 33 37) no Hoare annotation was computed. [2020-11-29 14:25:20,926 INFO L262 CegarLoopResult]: For program point L66-2(lines 66 70) no Hoare annotation was computed. [2020-11-29 14:25:20,926 INFO L258 CegarLoopResult]: At program point L33-2(lines 33 37) the Hoare annotation is: false [2020-11-29 14:25:20,926 INFO L262 CegarLoopResult]: For program point L33-3(lines 33 37) no Hoare annotation was computed. [2020-11-29 14:25:20,927 INFO L262 CegarLoopResult]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2020-11-29 14:25:20,927 INFO L262 CegarLoopResult]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2020-11-29 14:25:20,927 INFO L258 CegarLoopResult]: At program point L50-3(lines 50 51) the Hoare annotation is: false [2020-11-29 14:25:20,927 INFO L258 CegarLoopResult]: At program point L17-2(lines 17 21) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |ULTIMATE.start_main_#t~short28| (= |ULTIMATE.start___ieee754_asinf_#res| .cse0) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.neg (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= .cse0 ULTIMATE.start___signbit_float_~x) (= ULTIMATE.start___ieee754_asinf_~x .cse0) (= .cse0 ULTIMATE.start_main_~res~0) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) [2020-11-29 14:25:20,927 INFO L262 CegarLoopResult]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2020-11-29 14:25:20,928 INFO L262 CegarLoopResult]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2020-11-29 14:25:20,928 INFO L262 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 14:25:20,928 INFO L262 CegarLoopResult]: For program point L133(lines 133 148) no Hoare annotation was computed. [2020-11-29 14:25:20,928 INFO L262 CegarLoopResult]: For program point L199-2(lines 199 202) no Hoare annotation was computed. [2020-11-29 14:25:20,928 INFO L262 CegarLoopResult]: For program point L133-1(lines 133 148) no Hoare annotation was computed. [2020-11-29 14:25:20,929 INFO L262 CegarLoopResult]: For program point L134(lines 134 147) no Hoare annotation was computed. [2020-11-29 14:25:20,929 INFO L262 CegarLoopResult]: For program point L101(lines 101 105) no Hoare annotation was computed. [2020-11-29 14:25:20,929 INFO L262 CegarLoopResult]: For program point L101-1(lines 94 107) no Hoare annotation was computed. [2020-11-29 14:25:20,929 INFO L262 CegarLoopResult]: For program point L101-2(lines 101 105) no Hoare annotation was computed. [2020-11-29 14:25:20,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,957 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,959 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,960 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,960 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:20,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:25:20,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:20,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:20,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:20,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:20,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:20,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:25:20,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:20,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:20,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:20,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:20,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:20,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:25:20 BoogieIcfgContainer [2020-11-29 14:25:20,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 14:25:20,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 14:25:20,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 14:25:20,968 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 14:25:20,969 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:25:05" (3/4) ... [2020-11-29 14:25:20,972 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 14:25:20,987 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-29 14:25:20,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 14:25:20,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 14:25:20,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 14:25:21,016 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2020-11-29 14:25:21,017 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2020-11-29 14:25:21,018 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((aux-res == -0.0f && __signbit_float(res) == 1-aux && ~bvadd64(\result, 4294967295bv32) == 0bv32) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) [2020-11-29 14:25:21,083 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-11-29 14:25:21,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 14:25:21,085 INFO L168 Benchmark]: Toolchain (without parser) took 31914.75 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.2 MB in the beginning and 29.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-29 14:25:21,086 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 44.0 MB. Free memory was 23.4 MB in the beginning and 23.4 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 14:25:21,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.95 ms. Allocated memory is still 54.5 MB. Free memory was 30.5 MB in the beginning and 29.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-29 14:25:21,089 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.21 ms. Allocated memory is still 54.5 MB. Free memory was 29.1 MB in the beginning and 26.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 14:25:21,089 INFO L168 Benchmark]: Boogie Preprocessor took 61.69 ms. Allocated memory is still 54.5 MB. Free memory was 26.6 MB in the beginning and 37.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-11-29 14:25:21,090 INFO L168 Benchmark]: RCFGBuilder took 15513.14 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 37.1 MB in the beginning and 43.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-11-29 14:25:21,090 INFO L168 Benchmark]: TraceAbstraction took 15473.29 ms. Allocated memory is still 67.1 MB. Free memory was 42.8 MB in the beginning and 35.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2020-11-29 14:25:21,091 INFO L168 Benchmark]: Witness Printer took 116.12 ms. Allocated memory is still 67.1 MB. Free memory was 35.6 MB in the beginning and 29.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 14:25:21,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 44.0 MB. Free memory was 23.4 MB in the beginning and 23.4 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 626.95 ms. Allocated memory is still 54.5 MB. Free memory was 30.5 MB in the beginning and 29.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.21 ms. Allocated memory is still 54.5 MB. Free memory was 29.1 MB in the beginning and 26.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.69 ms. Allocated memory is still 54.5 MB. Free memory was 26.6 MB in the beginning and 37.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 15513.14 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 37.1 MB in the beginning and 43.4 MB in the end (delta: -6.4 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15473.29 ms. Allocated memory is still 67.1 MB. Free memory was 42.8 MB in the beginning and 35.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * Witness Printer took 116.12 ms. Allocated memory is still 67.1 MB. Free memory was 35.6 MB in the beginning and 29.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 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[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant [2020-11-29 14:25:21,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((aux-res == -0.0f && __signbit_float(res) == 1-aux && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant [2020-11-29 14:25:21,117 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,117 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,117 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,117 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (((((((aux-res == -0.0f && __signbit_float(res) == 1-aux && ~bvadd64(\result, 4294967295bv32) == 0bv32) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 119]: Loop Invariant [2020-11-29 14:25:21,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-29 14:25:21,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) - InvariantResult [Line: 122]: Loop Invariant [2020-11-29 14:25:21,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:25:21,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:21,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:21,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:21,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:21,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:21,128 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-29 14:25:21,129 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:21,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:21,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:21,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-29 14:25:21,133 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_asin) && huge_asin == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E30)) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 267 SDtfs, 516 SDslu, 613 SDs, 0 SdLazy, 108 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 18 NumberOfFragments, 172 HoareAnnotationTreeSize, 13 FomulaSimplifications, 88 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 13 QuantifiedInterpolants, 16375 SizeOfPredicates, 28 NumberOfNonLiveVariables, 393 ConjunctsInSsa, 37 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! Received shutdown request...