./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc 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 ../sv-benchmarks/c/float-newlib/double_req_bl_1122a.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 3a0740a185a491545b0a653a1a7a9df9d4659bae .............................................................................................................................................................................................................................................................................................................. 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 ../sv-benchmarks/c/float-newlib/double_req_bl_1122a.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 3a0740a185a491545b0a653a1a7a9df9d4659bae .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:16:46,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:16:46,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:16:46,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:16:46,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:16:46,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:16:46,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:16:46,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:16:46,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:16:46,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:16:46,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:16:46,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:16:46,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:16:46,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:16:46,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:16:46,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:16:46,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:16:46,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:16:46,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:16:46,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:16:46,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:16:46,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:16:46,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:16:46,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:16:46,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:16:46,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:16:46,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:16:46,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:16:46,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:16:46,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:16:46,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:16:46,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:16:46,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:16:46,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:16:46,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:16:46,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:16:46,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:16:46,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:16:46,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:16:46,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:16:46,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:16:46,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:16:46,315 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:16:46,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:16:46,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:16:46,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:16:46,326 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:16:46,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:16:46,327 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:16:46,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:16:46,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:16:46,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:16:46,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:16:46,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:16:46,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:16:46,331 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:16:46,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:16:46,331 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:16:46,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:16:46,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:16:46,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:16:46,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:16:46,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:16:46,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:16:46,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:16:46,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:16:46,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:16:46,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:16:46,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:16:46,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:16:46,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:16:46,335 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0740a185a491545b0a653a1a7a9df9d4659bae [2020-10-24 23:16:46,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:16:46,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:16:46,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:16:46,789 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:16:46,790 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:16:46,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-10-24 23:16:46,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112983ac9/ff946c62b4a14a77b16d9e4bbb378b54/FLAG7105bb9a9 [2020-10-24 23:16:47,608 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:16:47,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-10-24 23:16:47,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112983ac9/ff946c62b4a14a77b16d9e4bbb378b54/FLAG7105bb9a9 [2020-10-24 23:16:47,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/112983ac9/ff946c62b4a14a77b16d9e4bbb378b54 [2020-10-24 23:16:47,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:16:47,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:16:47,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:16:47,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:16:47,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:16:47,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:47" (1/1) ... [2020-10-24 23:16:47,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6d2696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:47, skipping insertion in model container [2020-10-24 23:16:47,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:47" (1/1) ... [2020-10-24 23:16:48,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:16:48,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:16:48,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:16:48,328 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:16:48,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:16:48,412 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:16:48,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48 WrapperNode [2020-10-24 23:16:48,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:16:48,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:16:48,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:16:48,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:16:48,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48" (1/1) ... [2020-10-24 23:16:48,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48" (1/1) ... [2020-10-24 23:16:48,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:16:48,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:16:48,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:16:48,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:16:48,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48" (1/1) ... [2020-10-24 23:16:48,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48" (1/1) ... [2020-10-24 23:16:48,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48" (1/1) ... [2020-10-24 23:16:48,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48" (1/1) ... [2020-10-24 23:16:48,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48" (1/1) ... [2020-10-24 23:16:48,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48" (1/1) ... [2020-10-24 23:16:48,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48" (1/1) ... [2020-10-24 23:16:48,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:16:48,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:16:48,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:16:48,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:16:48,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48" (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 [2020-10-24 23:16:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:16:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:16:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:16:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:16:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:16:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:16:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:16:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:16:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:16:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:16:49,452 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:16:49,453 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-24 23:16:49,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:49 BoogieIcfgContainer [2020-10-24 23:16:49,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:16:49,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:16:49,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:16:49,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:16:49,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:16:47" (1/3) ... [2020-10-24 23:16:49,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@696cf7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:49, skipping insertion in model container [2020-10-24 23:16:49,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:48" (2/3) ... [2020-10-24 23:16:49,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@696cf7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:49, skipping insertion in model container [2020-10-24 23:16:49,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:49" (3/3) ... [2020-10-24 23:16:49,469 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2020-10-24 23:16:49,483 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:16:49,488 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:16:49,503 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:16:49,532 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:16:49,532 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:16:49,532 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:16:49,532 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:16:49,532 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:16:49,532 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:16:49,532 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:16:49,533 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:16:49,549 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-10-24 23:16:49,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:16:49,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:49,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:49,557 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:49,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:49,576 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2020-10-24 23:16:49,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:16:49,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052536169] [2020-10-24 23:16:49,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:16:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:16:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:16:49,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052536169] [2020-10-24 23:16:49,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:16:49,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:16:49,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472263553] [2020-10-24 23:16:49,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:16:49,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:16:49,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:16:49,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:16:49,769 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-10-24 23:16:49,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:16:49,797 INFO L93 Difference]: Finished difference Result 109 states and 191 transitions. [2020-10-24 23:16:49,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:16:49,799 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:16:49,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:16:49,811 INFO L225 Difference]: With dead ends: 109 [2020-10-24 23:16:49,811 INFO L226 Difference]: Without dead ends: 52 [2020-10-24 23:16:49,815 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 [2020-10-24 23:16:49,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-24 23:16:49,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-24 23:16:49,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-24 23:16:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2020-10-24 23:16:49,881 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2020-10-24 23:16:49,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:16:49,881 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2020-10-24 23:16:49,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:16:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2020-10-24 23:16:49,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:16:49,884 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:49,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:49,885 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:16:49,886 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:49,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:49,889 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2020-10-24 23:16:49,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:16:49,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424180465] [2020-10-24 23:16:49,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:16:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:16:49,979 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:16:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:16:50,078 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:16:50,133 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:16:50,133 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:16:50,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:16:50,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:16:50 BoogieIcfgContainer [2020-10-24 23:16:50,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:16:50,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:16:50,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:16:50,176 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:16:50,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:49" (3/4) ... [2020-10-24 23:16:50,181 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:16:50,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:16:50,184 INFO L168 Benchmark]: Toolchain (without parser) took 2254.00 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.7 MB in the beginning and 30.0 MB in the end (delta: -9.3 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:50,185 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 35.7 MB. Free memory is still 20.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:16:50,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.58 ms. Allocated memory is still 44.0 MB. Free memory was 20.2 MB in the beginning and 25.7 MB in the end (delta: -5.5 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:50,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.31 ms. Allocated memory is still 44.0 MB. Free memory was 25.7 MB in the beginning and 23.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:50,187 INFO L168 Benchmark]: Boogie Preprocessor took 92.51 ms. Allocated memory is still 44.0 MB. Free memory was 23.2 MB in the beginning and 21.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:50,188 INFO L168 Benchmark]: RCFGBuilder took 877.34 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.0 MB in the beginning and 25.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:50,189 INFO L168 Benchmark]: TraceAbstraction took 717.46 ms. Allocated memory is still 54.5 MB. Free memory was 24.7 MB in the beginning and 30.3 MB in the end (delta: -5.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:16:50,190 INFO L168 Benchmark]: Witness Printer took 5.45 ms. Allocated memory is still 54.5 MB. Free memory was 30.3 MB in the beginning and 30.0 MB in the end (delta: 317.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:16:50,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 35.7 MB. Free memory is still 20.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.58 ms. Allocated memory is still 44.0 MB. Free memory was 20.2 MB in the beginning and 25.7 MB in the end (delta: -5.5 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.31 ms. Allocated memory is still 44.0 MB. Free memory was 25.7 MB in the beginning and 23.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.51 ms. Allocated memory is still 44.0 MB. Free memory was 23.2 MB in the beginning and 21.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 877.34 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.0 MB in the beginning and 25.3 MB in the end (delta: -4.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 717.46 ms. Allocated memory is still 54.5 MB. Free memory was 24.7 MB in the beginning and 30.3 MB in the end (delta: -5.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.45 ms. Allocated memory is still 54.5 MB. Free memory was 30.3 MB in the beginning and 30.0 MB in the end (delta: 317.0 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 bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={9:0}] [L172] double x = 1.0 / 0.0; [L173] double y = __VERIFIER_nondet_double(); [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={9:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={9:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L174] double res = fmod_double(x, y); [L18] return x != x; VAL [one_fmod=1, Zero_fmod={9:0}] [L177] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_1122a.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 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: 81 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=56occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:16:52,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:16:52,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:16:52,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:16:52,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:16:52,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:16:52,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:16:52,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:16:52,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:16:52,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:16:52,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:16:52,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:16:52,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:16:52,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:16:52,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:16:52,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:16:52,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:16:52,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:16:52,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:16:52,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:16:52,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:16:52,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:16:52,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:16:52,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:16:52,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:16:52,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:16:52,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:16:52,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:16:52,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:16:52,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:16:52,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:16:52,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:16:52,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:16:52,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:16:52,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:16:52,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:16:52,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:16:52,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:16:52,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:16:52,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:16:52,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:16:52,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:16:52,957 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:16:52,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:16:52,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:16:52,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:16:52,961 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:16:52,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:16:52,961 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:16:52,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:16:52,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:16:52,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:16:52,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:16:52,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:16:52,964 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:16:52,964 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:16:52,965 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:16:52,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:16:52,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:16:52,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:16:52,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:16:52,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:16:52,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:16:52,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:16:52,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:16:52,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:16:52,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:16:52,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:16:52,968 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:16:52,968 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:16:52,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:16:52,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:16:52,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:16:52,969 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0740a185a491545b0a653a1a7a9df9d4659bae [2020-10-24 23:16:53,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:16:53,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:16:53,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:16:53,464 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:16:53,465 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:16:53,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-10-24 23:16:53,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df664700e/cfbe3ba9511f4de4a4812dc005e8363d/FLAG89cc8050b [2020-10-24 23:16:54,136 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:16:54,139 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2020-10-24 23:16:54,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df664700e/cfbe3ba9511f4de4a4812dc005e8363d/FLAG89cc8050b [2020-10-24 23:16:54,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df664700e/cfbe3ba9511f4de4a4812dc005e8363d [2020-10-24 23:16:54,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:16:54,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:16:54,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:16:54,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:16:54,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:16:54,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:54" (1/1) ... [2020-10-24 23:16:54,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770bb509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54, skipping insertion in model container [2020-10-24 23:16:54,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:54" (1/1) ... [2020-10-24 23:16:54,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:16:54,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:16:54,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:16:54,806 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:16:54,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:16:54,888 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:16:54,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54 WrapperNode [2020-10-24 23:16:54,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:16:54,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:16:54,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:16:54,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:16:54,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54" (1/1) ... [2020-10-24 23:16:54,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54" (1/1) ... [2020-10-24 23:16:55,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:16:55,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:16:55,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:16:55,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:16:55,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54" (1/1) ... [2020-10-24 23:16:55,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54" (1/1) ... [2020-10-24 23:16:55,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54" (1/1) ... [2020-10-24 23:16:55,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54" (1/1) ... [2020-10-24 23:16:55,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54" (1/1) ... [2020-10-24 23:16:55,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54" (1/1) ... [2020-10-24 23:16:55,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54" (1/1) ... [2020-10-24 23:16:55,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:16:55,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:16:55,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:16:55,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:16:55,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54" (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 [2020-10-24 23:16:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:16:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:16:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:16:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:16:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 23:16:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:16:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:16:55,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:16:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:16:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:16:59,470 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:16:59,471 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-24 23:16:59,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:59 BoogieIcfgContainer [2020-10-24 23:16:59,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:16:59,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:16:59,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:16:59,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:16:59,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:16:54" (1/3) ... [2020-10-24 23:16:59,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d0e7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:59, skipping insertion in model container [2020-10-24 23:16:59,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:54" (2/3) ... [2020-10-24 23:16:59,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d0e7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:59, skipping insertion in model container [2020-10-24 23:16:59,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:59" (3/3) ... [2020-10-24 23:16:59,485 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2020-10-24 23:16:59,498 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:16:59,504 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:16:59,519 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:16:59,567 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:16:59,567 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:16:59,567 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:16:59,567 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:16:59,567 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:16:59,567 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:16:59,568 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:16:59,568 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:16:59,584 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-10-24 23:16:59,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:16:59,589 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:16:59,590 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:16:59,591 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:16:59,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:16:59,597 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2020-10-24 23:16:59,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:16:59,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381226509] [2020-10-24 23:16:59,609 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 [2020-10-24 23:17:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:17:00,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:17:00,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:17:00,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:17:00,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:17:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:17:00,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381226509] [2020-10-24 23:17:00,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:17:00,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:17:00,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318659441] [2020-10-24 23:17:00,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:17:00,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:17:00,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:17:00,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:17:00,872 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-10-24 23:17:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:17:00,895 INFO L93 Difference]: Finished difference Result 109 states and 191 transitions. [2020-10-24 23:17:00,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:17:00,897 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:17:00,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:17:00,908 INFO L225 Difference]: With dead ends: 109 [2020-10-24 23:17:00,908 INFO L226 Difference]: Without dead ends: 52 [2020-10-24 23:17:00,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:17:00,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-24 23:17:00,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-24 23:17:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-24 23:17:00,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2020-10-24 23:17:00,952 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2020-10-24 23:17:00,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:17:00,952 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2020-10-24 23:17:00,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:17:00,953 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2020-10-24 23:17:00,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:17:00,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:17:00,954 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:17:01,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:17:01,169 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:17:01,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:17:01,171 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2020-10-24 23:17:01,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:17:01,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [172504020] [2020-10-24 23:17:01,173 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 [2020-10-24 23:17:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:17:02,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-24 23:17:02,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:17:12,428 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification that was a NOOP. DAG size: 11 [2020-10-24 23:17:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:17:21,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:17:34,067 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2020-10-24 23:17:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:17:36,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [172504020] [2020-10-24 23:17:36,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:17:36,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-10-24 23:17:36,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862763963] [2020-10-24 23:17:36,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 23:17:36,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:17:36,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 23:17:36,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=67, Unknown=3, NotChecked=16, Total=110 [2020-10-24 23:17:36,114 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 11 states. [2020-10-24 23:17:41,162 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_fmod_double_~x (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (_ +zero 11 53)))) is different from true [2020-10-24 23:17:43,575 WARN L838 $PredicateComparison]: unable to prove that (and (not (fp.eq |c_ULTIMATE.start_fmod_double_#res| |c_ULTIMATE.start_fmod_double_#res|)) (exists ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (= |c_ULTIMATE.start_fmod_double_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0))))) is different from false [2020-10-24 23:17:58,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:17:58,931 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2020-10-24 23:17:58,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 23:17:58,987 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2020-10-24 23:17:58,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:17:58,988 INFO L225 Difference]: With dead ends: 57 [2020-10-24 23:17:58,988 INFO L226 Difference]: Without dead ends: 52 [2020-10-24 23:17:58,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 40.1s TimeCoverageRelationStatistics Valid=34, Invalid=83, Unknown=5, NotChecked=60, Total=182 [2020-10-24 23:17:58,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-24 23:17:58,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-24 23:17:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-24 23:17:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2020-10-24 23:17:58,998 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2020-10-24 23:17:58,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:17:58,999 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2020-10-24 23:17:58,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 23:17:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2020-10-24 23:17:59,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 23:17:59,000 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:17:59,000 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:17:59,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:17:59,214 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:17:59,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:17:59,215 INFO L82 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2020-10-24 23:17:59,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:17:59,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992609703] [2020-10-24 23:17:59,217 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 [2020-10-24 23:17:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:17:59,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-24 23:17:59,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:17:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:17:59,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:17:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:17:59,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992609703] [2020-10-24 23:17:59,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:17:59,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2020-10-24 23:17:59,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933222280] [2020-10-24 23:17:59,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 23:17:59,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:17:59,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 23:17:59,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-24 23:17:59,641 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand 7 states. [2020-10-24 23:17:59,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:17:59,765 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2020-10-24 23:17:59,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 23:17:59,766 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-24 23:17:59,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:17:59,767 INFO L225 Difference]: With dead ends: 52 [2020-10-24 23:17:59,767 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 23:17:59,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-24 23:17:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 23:17:59,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 23:17:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 23:17:59,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 23:17:59,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-24 23:17:59,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:17:59,769 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 23:17:59,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 23:17:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 23:17:59,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 23:17:59,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-24 23:17:59,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 23:18:05,085 WARN L193 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2020-10-24 23:18:15,777 WARN L193 SmtUtils]: Spent 10.68 s on a formula simplification. DAG size of input: 14 DAG size of output: 11 [2020-10-24 23:18:15,791 INFO L274 CegarLoopResult]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2020-10-24 23:18:15,792 INFO L270 CegarLoopResult]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2020-10-24 23:18:15,792 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 23:18:15,792 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 23:18:15,792 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 23:18:15,792 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2020-10-24 23:18:15,792 INFO L274 CegarLoopResult]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2020-10-24 23:18:15,792 INFO L270 CegarLoopResult]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2020-10-24 23:18:15,792 INFO L274 CegarLoopResult]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2020-10-24 23:18:15,793 INFO L274 CegarLoopResult]: For program point L120(lines 120 121) no Hoare annotation was computed. [2020-10-24 23:18:15,793 INFO L274 CegarLoopResult]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2020-10-24 23:18:15,793 INFO L274 CegarLoopResult]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2020-10-24 23:18:15,793 INFO L270 CegarLoopResult]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2020-10-24 23:18:15,794 INFO L274 CegarLoopResult]: For program point L154(lines 154 159) no Hoare annotation was computed. [2020-10-24 23:18:15,794 INFO L274 CegarLoopResult]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2020-10-24 23:18:15,794 INFO L274 CegarLoopResult]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2020-10-24 23:18:15,795 INFO L274 CegarLoopResult]: For program point L55(lines 25 163) no Hoare annotation was computed. [2020-10-24 23:18:15,795 INFO L274 CegarLoopResult]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2020-10-24 23:18:15,795 INFO L274 CegarLoopResult]: For program point L56(lines 56 62) no Hoare annotation was computed. [2020-10-24 23:18:15,795 INFO L274 CegarLoopResult]: For program point L106(lines 106 107) no Hoare annotation was computed. [2020-10-24 23:18:15,795 INFO L274 CegarLoopResult]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2020-10-24 23:18:15,796 INFO L274 CegarLoopResult]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2020-10-24 23:18:15,796 INFO L270 CegarLoopResult]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2020-10-24 23:18:15,796 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 23:18:15,796 INFO L270 CegarLoopResult]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2020-10-24 23:18:15,796 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-10-24 23:18:15,797 INFO L274 CegarLoopResult]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2020-10-24 23:18:15,797 INFO L274 CegarLoopResult]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2020-10-24 23:18:15,797 INFO L270 CegarLoopResult]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2020-10-24 23:18:15,797 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 23:18:15,800 INFO L274 CegarLoopResult]: For program point L177(lines 177 180) no Hoare annotation was computed. [2020-10-24 23:18:15,800 INFO L274 CegarLoopResult]: For program point L144(lines 144 153) no Hoare annotation was computed. [2020-10-24 23:18:15,800 INFO L274 CegarLoopResult]: For program point L45(lines 45 47) no Hoare annotation was computed. [2020-10-24 23:18:15,800 INFO L274 CegarLoopResult]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2020-10-24 23:18:15,801 INFO L270 CegarLoopResult]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_fmod_double_~x (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) [2020-10-24 23:18:15,801 INFO L274 CegarLoopResult]: For program point L112(lines 112 113) no Hoare annotation was computed. [2020-10-24 23:18:15,801 INFO L270 CegarLoopResult]: At program point L162(lines 25 163) the Hoare annotation is: (exists ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (= |ULTIMATE.start_fmod_double_#res| (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) [2020-10-24 23:18:15,801 INFO L270 CegarLoopResult]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2020-10-24 23:18:15,801 INFO L274 CegarLoopResult]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2020-10-24 23:18:15,802 INFO L274 CegarLoopResult]: For program point L147(lines 147 153) no Hoare annotation was computed. [2020-10-24 23:18:15,802 INFO L274 CegarLoopResult]: For program point L81(lines 81 87) no Hoare annotation was computed. [2020-10-24 23:18:15,802 INFO L274 CegarLoopResult]: For program point L48(lines 48 53) no Hoare annotation was computed. [2020-10-24 23:18:15,802 INFO L274 CegarLoopResult]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2020-10-24 23:18:15,802 INFO L274 CegarLoopResult]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2020-10-24 23:18:15,803 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 23:18:15,803 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 23:18:15,803 INFO L274 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-10-24 23:18:15,803 INFO L274 CegarLoopResult]: For program point L66(lines 25 163) no Hoare annotation was computed. [2020-10-24 23:18:15,804 INFO L277 CegarLoopResult]: At program point L182(lines 165 183) the Hoare annotation is: true [2020-10-24 23:18:15,804 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-24 23:18:15,804 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-10-24 23:18:15,804 INFO L270 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|) [2020-10-24 23:18:15,805 INFO L274 CegarLoopResult]: For program point L134(lines 134 161) no Hoare annotation was computed. [2020-10-24 23:18:15,805 INFO L274 CegarLoopResult]: For program point L35(lines 35 40) no Hoare annotation was computed. [2020-10-24 23:18:15,805 INFO L274 CegarLoopResult]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2020-10-24 23:18:15,805 INFO L274 CegarLoopResult]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2020-10-24 23:18:15,818 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:15,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:15,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:15,823 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,823 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:15,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:15,824 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:15,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-10-24 23:18:15,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,830 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,831 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-10-24 23:18:15,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,837 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-10-24 23:18:15,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-10-24 23:18:15,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:18:15 BoogieIcfgContainer [2020-10-24 23:18:15,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:18:15,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:18:15,842 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:18:15,842 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:18:15,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:59" (3/4) ... [2020-10-24 23:18:15,848 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 23:18:15,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-24 23:18:15,866 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-10-24 23:18:15,866 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:18:15,866 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:18:15,936 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:18:15,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:18:15,938 INFO L168 Benchmark]: Toolchain (without parser) took 81483.16 ms. Allocated memory was 44.0 MB in the beginning and 69.2 MB in the end (delta: 25.2 MB). Free memory was 28.9 MB in the beginning and 30.9 MB in the end (delta: -1.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:15,942 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 44.0 MB. Free memory was 22.1 MB in the beginning and 22.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:18:15,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.85 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 28.3 MB in the beginning and 29.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:15,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.99 ms. Allocated memory is still 56.6 MB. Free memory was 29.6 MB in the beginning and 39.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:15,944 INFO L168 Benchmark]: Boogie Preprocessor took 116.36 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:18:15,946 INFO L168 Benchmark]: RCFGBuilder took 4355.50 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 31.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:15,946 INFO L168 Benchmark]: TraceAbstraction took 76365.98 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.5 MB in the beginning and 33.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:15,947 INFO L168 Benchmark]: Witness Printer took 94.81 ms. Allocated memory is still 69.2 MB. Free memory was 33.8 MB in the beginning and 30.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:18:15,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 44.0 MB. Free memory was 22.1 MB in the beginning and 22.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 427.85 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 28.3 MB in the beginning and 29.6 MB in the end (delta: -1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.99 ms. Allocated memory is still 56.6 MB. Free memory was 29.6 MB in the beginning and 39.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 116.36 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 4355.50 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 31.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 76365.98 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.5 MB in the beginning and 33.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Witness Printer took 94.81 ms. Allocated memory is still 69.2 MB. Free memory was 33.8 MB in the beginning and 30.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * 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: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant [2020-10-24 23:18:15,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:15,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:15,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:15,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:15,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-10-24 23:18:15,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2020-10-24 23:18:15,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,987 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-10-24 23:18:15,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-10-24 23:18:15,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2020-10-24 23:18:15,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-10-24 23:18:15,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~y : C_DOUBLE :: \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y))) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 60.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 23.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 160 SDtfs, 9 SDslu, 340 SDs, 0 SdLazy, 24 SolverSat, 3 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 14.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 40.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 46 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 37 FormulaSimplificationTreeSizeReductionInter, 15.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 34.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 14 QuantifiedInterpolants, 5264 SizeOfPredicates, 19 NumberOfNonLiveVariables, 215 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...