./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 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_1092b.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 716c28290dbb6f2a00a15a2121f6ea544c27813b ..................................................................................................................................................................................................................................................................................................... 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_1092b.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 716c28290dbb6f2a00a15a2121f6ea544c27813b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 01:08:36,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 01:08:36,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 01:08:36,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 01:08:36,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 01:08:36,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 01:08:36,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 01:08:36,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 01:08:36,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 01:08:36,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 01:08:36,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 01:08:36,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 01:08:36,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 01:08:36,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 01:08:36,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 01:08:36,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 01:08:36,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 01:08:36,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 01:08:36,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 01:08:36,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 01:08:36,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 01:08:36,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 01:08:36,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 01:08:36,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 01:08:36,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 01:08:36,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 01:08:36,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 01:08:36,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 01:08:36,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 01:08:36,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 01:08:36,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 01:08:36,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 01:08:36,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 01:08:36,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 01:08:36,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 01:08:36,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 01:08:36,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 01:08:36,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 01:08:36,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 01:08:36,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 01:08:36,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 01:08:36,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-03 01:08:36,543 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 01:08:36,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 01:08:36,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 01:08:36,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 01:08:36,547 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 01:08:36,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 01:08:36,547 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 01:08:36,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 01:08:36,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 01:08:36,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 01:08:36,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 01:08:36,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 01:08:36,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 01:08:36,550 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 01:08:36,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 01:08:36,550 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 01:08:36,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 01:08:36,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 01:08:36,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 01:08:36,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 01:08:36,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 01:08:36,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 01:08:36,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 01:08:36,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 01:08:36,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-03 01:08:36,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 01:08:36,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 01:08:36,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 01:08:36,552 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 716c28290dbb6f2a00a15a2121f6ea544c27813b [2020-12-03 01:08:36,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 01:08:36,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 01:08:36,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 01:08:36,992 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 01:08:36,993 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 01:08:36,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2020-12-03 01:08:37,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c204cfb23/a2ffffd6ef0c4a04881afcc4cd01cd38/FLAGc311f281f [2020-12-03 01:08:37,611 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 01:08:37,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2020-12-03 01:08:37,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c204cfb23/a2ffffd6ef0c4a04881afcc4cd01cd38/FLAGc311f281f [2020-12-03 01:08:37,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c204cfb23/a2ffffd6ef0c4a04881afcc4cd01cd38 [2020-12-03 01:08:37,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 01:08:37,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 01:08:37,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 01:08:37,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 01:08:37,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 01:08:37,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:37" (1/1) ... [2020-12-03 01:08:38,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1609cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38, skipping insertion in model container [2020-12-03 01:08:38,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:37" (1/1) ... [2020-12-03 01:08:38,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 01:08:38,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 01:08:38,312 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2020-12-03 01:08:38,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 01:08:38,325 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 01:08:38,357 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2020-12-03 01:08:38,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 01:08:38,375 INFO L208 MainTranslator]: Completed translation [2020-12-03 01:08:38,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38 WrapperNode [2020-12-03 01:08:38,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 01:08:38,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 01:08:38,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 01:08:38,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 01:08:38,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38" (1/1) ... [2020-12-03 01:08:38,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38" (1/1) ... [2020-12-03 01:08:38,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 01:08:38,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 01:08:38,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 01:08:38,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 01:08:38,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38" (1/1) ... [2020-12-03 01:08:38,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38" (1/1) ... [2020-12-03 01:08:38,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38" (1/1) ... [2020-12-03 01:08:38,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38" (1/1) ... [2020-12-03 01:08:38,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38" (1/1) ... [2020-12-03 01:08:38,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38" (1/1) ... [2020-12-03 01:08:38,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38" (1/1) ... [2020-12-03 01:08:38,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 01:08:38,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 01:08:38,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 01:08:38,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 01:08:38,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38" (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 [2020-12-03 01:08:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 01:08:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 01:08:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-03 01:08:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-03 01:08:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-03 01:08:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 01:08:38,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 01:08:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-03 01:08:38,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 01:08:38,998 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 01:08:38,999 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-03 01:08:39,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:39 BoogieIcfgContainer [2020-12-03 01:08:39,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 01:08:39,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 01:08:39,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 01:08:39,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 01:08:39,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:08:37" (1/3) ... [2020-12-03 01:08:39,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676ecb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:08:39, skipping insertion in model container [2020-12-03 01:08:39,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:38" (2/3) ... [2020-12-03 01:08:39,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@676ecb94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:08:39, skipping insertion in model container [2020-12-03 01:08:39,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:39" (3/3) ... [2020-12-03 01:08:39,014 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2020-12-03 01:08:39,053 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 01:08:39,061 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 01:08:39,093 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 01:08:39,135 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 01:08:39,136 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 01:08:39,136 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 01:08:39,137 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 01:08:39,137 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 01:08:39,137 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 01:08:39,137 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 01:08:39,137 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 01:08:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-12-03 01:08:39,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 01:08:39,159 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:08:39,160 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:08:39,160 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:08:39,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:08:39,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2020-12-03 01:08:39,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-03 01:08:39,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001729193] [2020-12-03 01:08:39,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 01:08:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:08:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:08:39,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001729193] [2020-12-03 01:08:39,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:08:39,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 01:08:39,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871261916] [2020-12-03 01:08:39,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-03 01:08:39,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-03 01:08:39,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-03 01:08:39,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 01:08:39,361 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-12-03 01:08:39,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:08:39,382 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2020-12-03 01:08:39,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-03 01:08:39,384 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-03 01:08:39,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:08:39,394 INFO L225 Difference]: With dead ends: 64 [2020-12-03 01:08:39,395 INFO L226 Difference]: Without dead ends: 30 [2020-12-03 01:08:39,398 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 [2020-12-03 01:08:39,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-03 01:08:39,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-12-03 01:08:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-03 01:08:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-12-03 01:08:39,437 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2020-12-03 01:08:39,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:08:39,438 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-12-03 01:08:39,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-03 01:08:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-12-03 01:08:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 01:08:39,439 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:08:39,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:08:39,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-03 01:08:39,439 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:08:39,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:08:39,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2020-12-03 01:08:39,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-03 01:08:39,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411644547] [2020-12-03 01:08:39,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 01:08:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 01:08:39,494 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 01:08:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 01:08:39,528 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 01:08:39,555 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-03 01:08:39,555 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 01:08:39,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-03 01:08:39,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:08:39 BoogieIcfgContainer [2020-12-03 01:08:39,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 01:08:39,593 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 01:08:39,593 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 01:08:39,593 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 01:08:39,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:39" (3/4) ... [2020-12-03 01:08:39,599 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-03 01:08:39,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 01:08:39,603 INFO L168 Benchmark]: Toolchain (without parser) took 1610.69 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.9 MB in the beginning and 28.4 MB in the end (delta: -4.5 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:39,604 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 26.9 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 01:08:39,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.88 ms. Allocated memory is still 46.1 MB. Free memory was 23.7 MB in the beginning and 24.2 MB in the end (delta: -504.7 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:39,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.06 ms. Allocated memory is still 46.1 MB. Free memory was 24.2 MB in the beginning and 22.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:39,606 INFO L168 Benchmark]: Boogie Preprocessor took 32.97 ms. Allocated memory is still 46.1 MB. Free memory was 22.6 MB in the beginning and 21.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:39,607 INFO L168 Benchmark]: RCFGBuilder took 545.74 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.0 MB in the beginning and 37.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:39,608 INFO L168 Benchmark]: TraceAbstraction took 587.78 ms. Allocated memory is still 56.6 MB. Free memory was 37.1 MB in the beginning and 28.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:39,609 INFO L168 Benchmark]: Witness Printer took 6.16 ms. Allocated memory is still 56.6 MB. Free memory was 28.7 MB in the beginning and 28.4 MB in the end (delta: 245.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 01:08:39,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 26.9 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.88 ms. Allocated memory is still 46.1 MB. Free memory was 23.7 MB in the beginning and 24.2 MB in the end (delta: -504.7 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.06 ms. Allocated memory is still 46.1 MB. Free memory was 24.2 MB in the beginning and 22.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.97 ms. Allocated memory is still 46.1 MB. Free memory was 22.6 MB in the beginning and 21.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 545.74 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.0 MB in the beginning and 37.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 587.78 ms. Allocated memory is still 56.6 MB. Free memory was 37.1 MB in the beginning and 28.9 MB in the end (delta: 8.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. * Witness Printer took 6.16 ms. Allocated memory is still 56.6 MB. Free memory was 28.7 MB in the beginning and 28.4 MB in the end (delta: 245.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 98]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 43, overapproximation of bitwiseOr at line 44, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L93] double x = 0.0; [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L31] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L32] COND FALSE !(j0 < 0) [L43] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L44] COND TRUE ((i0 & i) | i1) == 0 [L45] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 47 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=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 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 0.2.0-7b2dab5 [2020-12-03 01:08:42,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 01:08:42,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 01:08:42,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 01:08:42,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 01:08:42,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 01:08:42,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 01:08:42,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 01:08:42,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 01:08:42,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 01:08:42,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 01:08:42,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 01:08:42,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 01:08:42,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 01:08:42,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 01:08:42,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 01:08:42,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 01:08:42,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 01:08:42,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 01:08:42,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 01:08:42,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 01:08:42,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 01:08:42,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 01:08:42,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 01:08:42,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 01:08:42,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 01:08:42,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 01:08:42,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 01:08:42,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 01:08:42,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 01:08:42,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 01:08:42,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 01:08:42,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 01:08:42,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 01:08:42,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 01:08:42,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 01:08:42,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 01:08:42,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 01:08:42,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 01:08:42,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 01:08:42,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 01:08:42,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-03 01:08:42,527 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 01:08:42,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 01:08:42,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 01:08:42,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 01:08:42,529 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 01:08:42,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 01:08:42,530 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 01:08:42,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 01:08:42,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 01:08:42,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 01:08:42,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 01:08:42,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 01:08:42,531 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 01:08:42,531 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 01:08:42,531 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 01:08:42,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 01:08:42,532 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 01:08:42,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 01:08:42,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 01:08:42,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 01:08:42,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 01:08:42,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 01:08:42,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 01:08:42,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 01:08:42,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 01:08:42,533 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-03 01:08:42,534 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 01:08:42,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 01:08:42,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 01:08:42,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 01:08:42,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 716c28290dbb6f2a00a15a2121f6ea544c27813b [2020-12-03 01:08:42,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 01:08:43,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 01:08:43,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 01:08:43,034 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 01:08:43,035 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 01:08:43,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2020-12-03 01:08:43,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c74fc34/3f5ce01d5086457d9da3670d4f7fcd16/FLAG2a4995c61 [2020-12-03 01:08:43,709 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 01:08:43,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2020-12-03 01:08:43,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c74fc34/3f5ce01d5086457d9da3670d4f7fcd16/FLAG2a4995c61 [2020-12-03 01:08:44,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c74fc34/3f5ce01d5086457d9da3670d4f7fcd16 [2020-12-03 01:08:44,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 01:08:44,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 01:08:44,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 01:08:44,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 01:08:44,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 01:08:44,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:44" (1/1) ... [2020-12-03 01:08:44,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ff61a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44, skipping insertion in model container [2020-12-03 01:08:44,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:08:44" (1/1) ... [2020-12-03 01:08:44,084 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 01:08:44,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 01:08:44,289 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2020-12-03 01:08:44,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 01:08:44,316 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 01:08:44,349 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2020-12-03 01:08:44,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 01:08:44,377 INFO L208 MainTranslator]: Completed translation [2020-12-03 01:08:44,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44 WrapperNode [2020-12-03 01:08:44,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 01:08:44,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 01:08:44,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 01:08:44,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 01:08:44,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44" (1/1) ... [2020-12-03 01:08:44,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44" (1/1) ... [2020-12-03 01:08:44,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 01:08:44,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 01:08:44,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 01:08:44,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 01:08:44,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44" (1/1) ... [2020-12-03 01:08:44,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44" (1/1) ... [2020-12-03 01:08:44,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44" (1/1) ... [2020-12-03 01:08:44,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44" (1/1) ... [2020-12-03 01:08:44,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44" (1/1) ... [2020-12-03 01:08:44,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44" (1/1) ... [2020-12-03 01:08:44,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44" (1/1) ... [2020-12-03 01:08:44,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 01:08:44,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 01:08:44,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 01:08:44,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 01:08:44,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44" (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 [2020-12-03 01:08:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-03 01:08:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-03 01:08:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-03 01:08:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 01:08:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-03 01:08:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 01:08:44,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 01:08:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-03 01:08:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 01:08:46,787 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 01:08:46,788 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-03 01:08:46,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:46 BoogieIcfgContainer [2020-12-03 01:08:46,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 01:08:46,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 01:08:46,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 01:08:46,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 01:08:46,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:08:44" (1/3) ... [2020-12-03 01:08:46,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cd5fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:08:46, skipping insertion in model container [2020-12-03 01:08:46,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:08:44" (2/3) ... [2020-12-03 01:08:46,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44cd5fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:08:46, skipping insertion in model container [2020-12-03 01:08:46,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:46" (3/3) ... [2020-12-03 01:08:46,800 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2020-12-03 01:08:46,817 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 01:08:46,821 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 01:08:46,834 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 01:08:46,861 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 01:08:46,861 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 01:08:46,861 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 01:08:46,861 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 01:08:46,861 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 01:08:46,862 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 01:08:46,862 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 01:08:46,862 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 01:08:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-12-03 01:08:46,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 01:08:46,888 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:08:46,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:08:46,889 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:08:46,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:08:46,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2020-12-03 01:08:46,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:08:46,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794142949] [2020-12-03 01:08:46,911 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 [2020-12-03 01:08:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:08:47,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-03 01:08:47,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:08:47,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:08:47,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:08:47,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794142949] [2020-12-03 01:08:47,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:08:47,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 01:08:47,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167584387] [2020-12-03 01:08:47,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-03 01:08:47,060 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:08:47,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-03 01:08:47,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 01:08:47,078 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-12-03 01:08:47,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:08:47,098 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2020-12-03 01:08:47,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-03 01:08:47,100 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-03 01:08:47,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:08:47,111 INFO L225 Difference]: With dead ends: 64 [2020-12-03 01:08:47,111 INFO L226 Difference]: Without dead ends: 30 [2020-12-03 01:08:47,114 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-03 01:08:47,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-03 01:08:47,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-12-03 01:08:47,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-03 01:08:47,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-12-03 01:08:47,150 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2020-12-03 01:08:47,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:08:47,150 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-12-03 01:08:47,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-03 01:08:47,150 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-12-03 01:08:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 01:08:47,151 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:08:47,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:08:47,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 01:08:47,365 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:08:47,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:08:47,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2020-12-03 01:08:47,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:08:47,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413906685] [2020-12-03 01:08:47,376 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 [2020-12-03 01:08:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:08:47,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-03 01:08:47,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:08:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:08:47,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:08:47,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413906685] [2020-12-03 01:08:47,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:08:47,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-03 01:08:47,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737852211] [2020-12-03 01:08:47,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-03 01:08:47,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:08:47,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-03 01:08:47,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-03 01:08:47,696 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 5 states. [2020-12-03 01:08:48,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:08:48,223 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2020-12-03 01:08:48,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-03 01:08:48,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-03 01:08:48,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:08:48,226 INFO L225 Difference]: With dead ends: 44 [2020-12-03 01:08:48,226 INFO L226 Difference]: Without dead ends: 24 [2020-12-03 01:08:48,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-03 01:08:48,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-03 01:08:48,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2020-12-03 01:08:48,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-03 01:08:48,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2020-12-03 01:08:48,232 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2020-12-03 01:08:48,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:08:48,232 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2020-12-03 01:08:48,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-03 01:08:48,232 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-12-03 01:08:48,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-03 01:08:48,233 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:08:48,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:08:48,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-03 01:08:48,450 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:08:48,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:08:48,451 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2020-12-03 01:08:48,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:08:48,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169619425] [2020-12-03 01:08:48,453 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 [2020-12-03 01:08:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:08:48,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-03 01:08:48,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:08:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:08:48,697 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:08:48,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169619425] [2020-12-03 01:08:48,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:08:48,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 01:08:48,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390773413] [2020-12-03 01:08:48,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-03 01:08:48,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:08:48,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-03 01:08:48,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-03 01:08:48,700 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 4 states. [2020-12-03 01:08:48,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:08:48,823 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2020-12-03 01:08:48,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-03 01:08:48,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-12-03 01:08:48,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:08:48,825 INFO L225 Difference]: With dead ends: 24 [2020-12-03 01:08:48,825 INFO L226 Difference]: Without dead ends: 17 [2020-12-03 01:08:48,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-03 01:08:48,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-03 01:08:48,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-12-03 01:08:48,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-03 01:08:48,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-12-03 01:08:48,831 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2020-12-03 01:08:48,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:08:48,831 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-12-03 01:08:48,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-03 01:08:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-12-03 01:08:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-03 01:08:48,832 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:08:48,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:08:49,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-03 01:08:49,044 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:08:49,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:08:49,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1786240041, now seen corresponding path program 1 times [2020-12-03 01:08:49,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:08:49,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797602483] [2020-12-03 01:08:49,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-03 01:08:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:08:49,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-03 01:08:49,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:08:49,307 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-03 01:08:49,317 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-03 01:08:49,321 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:08:49,322 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-03 01:08:49,337 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:08:49,339 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-03 01:08:49,340 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:18 [2020-12-03 01:08:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:08:49,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:08:49,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797602483] [2020-12-03 01:08:49,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:08:49,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-03 01:08:49,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189494923] [2020-12-03 01:08:49,421 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-03 01:08:49,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:08:49,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-03 01:08:49,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-03 01:08:49,423 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 4 states. [2020-12-03 01:08:49,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:08:49,641 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-12-03 01:08:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-03 01:08:49,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-12-03 01:08:49,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:08:49,642 INFO L225 Difference]: With dead ends: 24 [2020-12-03 01:08:49,642 INFO L226 Difference]: Without dead ends: 17 [2020-12-03 01:08:49,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-03 01:08:49,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-03 01:08:49,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-12-03 01:08:49,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-03 01:08:49,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2020-12-03 01:08:49,646 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2020-12-03 01:08:49,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:08:49,647 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2020-12-03 01:08:49,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-03 01:08:49,647 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2020-12-03 01:08:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-03 01:08:49,648 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 01:08:49,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 01:08:49,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-03 01:08:49,849 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 01:08:49,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 01:08:49,850 INFO L82 PathProgramCache]: Analyzing trace with hash -11232679, now seen corresponding path program 1 times [2020-12-03 01:08:49,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 01:08:49,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102007562] [2020-12-03 01:08:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-03 01:08:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 01:08:50,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-03 01:08:50,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 01:08:50,093 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-03 01:08:50,103 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-03 01:08:50,105 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-03 01:08:50,129 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:08:50,133 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-03 01:08:50,134 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:36 [2020-12-03 01:08:50,347 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:08:50,348 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-03 01:08:50,354 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 01:08:50,357 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-03 01:08:50,367 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_2], 2=[v_arrayElimCell_3]} [2020-12-03 01:08:50,526 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:08:50,527 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-03 01:08:50,529 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 01:08:50,531 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-03 01:08:50,538 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_4], 2=[v_arrayElimCell_5]} [2020-12-03 01:08:50,591 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:08:50,591 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-03 01:08:50,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 01:08:50,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-03 01:08:50,601 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_6], 2=[v_arrayElimCell_7]} [2020-12-03 01:08:50,746 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-03 01:08:50,746 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-03 01:08:50,749 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-03 01:08:50,750 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-03 01:08:50,756 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_8], 2=[v_arrayElimCell_9]} [2020-12-03 01:08:50,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 01:08:50,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 01:08:50,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102007562] [2020-12-03 01:08:50,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 01:08:50,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-03 01:08:50,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853111401] [2020-12-03 01:08:50,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-03 01:08:50,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 01:08:50,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-03 01:08:50,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=40, Unknown=1, NotChecked=0, Total=56 [2020-12-03 01:08:50,872 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 8 states. [2020-12-03 01:08:51,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 01:08:51,487 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-12-03 01:08:51,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-03 01:08:51,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-12-03 01:08:51,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 01:08:51,494 INFO L225 Difference]: With dead ends: 17 [2020-12-03 01:08:51,494 INFO L226 Difference]: Without dead ends: 0 [2020-12-03 01:08:51,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=70, Unknown=1, NotChecked=0, Total=110 [2020-12-03 01:08:51,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-03 01:08:51,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-03 01:08:51,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-03 01:08:51,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-03 01:08:51,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-12-03 01:08:51,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 01:08:51,497 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-03 01:08:51,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-03 01:08:51,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-03 01:08:51,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 01:08:51,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-03 01:08:51,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-03 01:08:51,913 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2020-12-03 01:08:52,190 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2020-12-03 01:08:52,195 INFO L262 CegarLoopResult]: For program point L60(lines 60 61) no Hoare annotation was computed. [2020-12-03 01:08:52,195 INFO L262 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-12-03 01:08:52,195 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-03 01:08:52,195 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-03 01:08:52,196 INFO L262 CegarLoopResult]: For program point L53(lines 53 75) no Hoare annotation was computed. [2020-12-03 01:08:52,196 INFO L262 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2020-12-03 01:08:52,196 INFO L262 CegarLoopResult]: For program point L62(lines 62 74) no Hoare annotation was computed. [2020-12-03 01:08:52,196 INFO L262 CegarLoopResult]: For program point L54(lines 54 57) no Hoare annotation was computed. [2020-12-03 01:08:52,196 INFO L262 CegarLoopResult]: For program point L46(lines 46 51) no Hoare annotation was computed. [2020-12-03 01:08:52,196 INFO L262 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-12-03 01:08:52,197 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2020-12-03 01:08:52,197 INFO L262 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2020-12-03 01:08:52,197 INFO L262 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2020-12-03 01:08:52,197 INFO L262 CegarLoopResult]: For program point L97(lines 97 100) no Hoare annotation was computed. [2020-12-03 01:08:52,197 INFO L262 CegarLoopResult]: For program point L64(lines 64 71) no Hoare annotation was computed. [2020-12-03 01:08:52,198 INFO L262 CegarLoopResult]: For program point L31(lines 31 75) no Hoare annotation was computed. [2020-12-03 01:08:52,198 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-03 01:08:52,198 INFO L262 CegarLoopResult]: For program point L32(lines 32 52) no Hoare annotation was computed. [2020-12-03 01:08:52,198 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-03 01:08:52,198 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 98) no Hoare annotation was computed. [2020-12-03 01:08:52,198 INFO L262 CegarLoopResult]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2020-12-03 01:08:52,199 INFO L258 CegarLoopResult]: At program point L24-2(lines 24 29) the Hoare annotation is: (and (= ~huge_ceil~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= currentRoundingMode roundNearestTiesToEven) (= (_ +zero 11 53) ULTIMATE.start_ceil_double_~x) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-03 01:08:52,199 INFO L262 CegarLoopResult]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2020-12-03 01:08:52,200 INFO L258 CegarLoopResult]: At program point L82(lines 21 83) the Hoare annotation is: (and (= ~huge_ceil~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (exists ((|v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|))) (= ULTIMATE.start_ceil_double_~i0~0 .cse0) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|) .cse0) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|) (select .cse1 (_ bv0 32))))))) (= currentRoundingMode roundNearestTiesToEven) (= (bvor ULTIMATE.start_ceil_double_~i0~0 ULTIMATE.start_ceil_double_~i1~0) (_ bv0 32)) (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 64))) (and (= ULTIMATE.start_ceil_double_~j0~0 (bvadd (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_3|) (_ bv20 32))) (_ bv4294966273 32))) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_3|))))) (= (_ +zero 11 53) ULTIMATE.start_ceil_double_~x) (exists ((|v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7| (_ BitVec 32)) (ULTIMATE.start_ceil_double_~i1~0 (_ BitVec 32)) (|v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64)) (|v_#memory_int_10| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))))) (let ((.cse4 (select |v_#memory_int_10| |v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7|))) (let ((.cse2 (select .cse4 (_ bv4 32)))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|))) (= (bvor .cse2 ULTIMATE.start_ceil_double_~i1~0) (_ bv0 32)) (= |ULTIMATE.start_ceil_double_#res| (let ((.cse3 (concat (select (store (store (select |v_#memory_int_10| |v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5|) (_ bv4 32) .cse2) (_ bv0 32) ULTIMATE.start_ceil_double_~i1~0) (_ bv4 32)) ULTIMATE.start_ceil_double_~i1~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))) (= .cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (= (select .cse4 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|)))))) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-03 01:08:52,200 INFO L262 CegarLoopResult]: For program point L33(lines 33 41) no Hoare annotation was computed. [2020-12-03 01:08:52,200 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-03 01:08:52,200 INFO L262 CegarLoopResult]: For program point L34(lines 34 40) no Hoare annotation was computed. [2020-12-03 01:08:52,201 INFO L262 CegarLoopResult]: For program point L76(lines 76 81) no Hoare annotation was computed. [2020-12-03 01:08:52,201 INFO L262 CegarLoopResult]: For program point L76-1(lines 21 83) no Hoare annotation was computed. [2020-12-03 01:08:52,201 INFO L262 CegarLoopResult]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2020-12-03 01:08:52,201 INFO L265 CegarLoopResult]: At program point L101(lines 85 102) the Hoare annotation is: true [2020-12-03 01:08:52,201 INFO L262 CegarLoopResult]: For program point L68(lines 68 69) no Hoare annotation was computed. [2020-12-03 01:08:52,202 INFO L262 CegarLoopResult]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2020-12-03 01:08:52,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:08:52,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:08:52,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:08:52,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,231 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,231 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,231 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,231 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,232 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,232 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,232 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:08:52,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:08:52 BoogieIcfgContainer [2020-12-03 01:08:52,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 01:08:52,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 01:08:52,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 01:08:52,250 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 01:08:52,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:08:46" (3/4) ... [2020-12-03 01:08:52,254 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 01:08:52,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-03 01:08:52,268 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-03 01:08:52,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 01:08:52,269 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 01:08:52,299 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) && (\exists v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7 : bv32, v_skolemized_q#valueAsBitvector_5 : bv64 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) && i0 == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]) && v_skolemized_q#valueAsBitvector_5[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]) && v_skolemized_q#valueAsBitvector_5[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][0bv32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~bvor32(i0, i1) == 0bv32) && (\exists v_skolemized_q#valueAsBitvector_3 : bv64 :: j0 == ~bvadd64(~bvand32(2047bv32, ~bvashr32(v_skolemized_q#valueAsBitvector_3[63:32], 20bv32)), 4294966273bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_3[63:63], v_skolemized_q#valueAsBitvector_3[62:52], v_skolemized_q#valueAsBitvector_3[51:0]))) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7 : bv32, ULTIMATE.start_ceil_double_~i1~0 : bv32, v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5 : bv32, v_skolemized_q#valueAsBitvector_5 : bv64, v_#memory_int_10 : [bv32,bv32]bv32 :: (((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) && ~bvor32(v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32], ULTIMATE.start_ceil_double_~i1~0) == 0bv32) && \result == ~fp~LONGDOUBLE((v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[63:63], (v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[62:52], (v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[51:0])) && v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32] == v_skolemized_q#valueAsBitvector_5[63:32]) && v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][0bv32] == v_skolemized_q#valueAsBitvector_5[31:0])) && x == ~Pluszero~LONGDOUBLE() [2020-12-03 01:08:52,325 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-03 01:08:52,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 01:08:52,326 INFO L168 Benchmark]: Toolchain (without parser) took 8261.39 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 23.8 MB in the beginning and 25.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:52,327 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 37.7 MB. Free memory is still 20.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 01:08:52,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.30 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 23.4 MB in the end (delta: 129.5 kB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:52,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.95 ms. Allocated memory is still 46.1 MB. Free memory was 23.4 MB in the beginning and 21.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:52,329 INFO L168 Benchmark]: Boogie Preprocessor took 39.14 ms. Allocated memory is still 46.1 MB. Free memory was 21.7 MB in the beginning and 20.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 01:08:52,330 INFO L168 Benchmark]: RCFGBuilder took 2326.35 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 20.1 MB in the beginning and 31.5 MB in the end (delta: -11.4 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:52,331 INFO L168 Benchmark]: TraceAbstraction took 5457.09 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 28.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:52,332 INFO L168 Benchmark]: Witness Printer took 75.28 ms. Allocated memory is still 69.2 MB. Free memory was 28.8 MB in the beginning and 25.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-03 01:08:52,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 37.7 MB. Free memory is still 20.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.30 ms. Allocated memory is still 46.1 MB. Free memory was 23.6 MB in the beginning and 23.4 MB in the end (delta: 129.5 kB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.95 ms. Allocated memory is still 46.1 MB. Free memory was 23.4 MB in the beginning and 21.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.14 ms. Allocated memory is still 46.1 MB. Free memory was 21.7 MB in the beginning and 20.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2326.35 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 20.1 MB in the beginning and 31.5 MB in the end (delta: -11.4 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5457.09 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 28.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Witness Printer took 75.28 ms. Allocated memory is still 69.2 MB. Free memory was 28.8 MB in the beginning and 25.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 98]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant [2020-12-03 01:08:52,358 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:08:52,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~Pluszero~LONGDOUBLE() == x) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 21]: Loop Invariant [2020-12-03 01:08:52,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,360 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,369 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:08:52,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,377 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,378 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,379 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-03 01:08:52,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-03 01:08:52,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,385 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,385 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,385 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,385 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,386 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-03 01:08:52,386 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,386 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,386 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-03 01:08:52,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-03 01:08:52,388 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-03 01:08:52,388 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-03 01:08:52,388 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] Derived loop invariant: ((((((huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) && (\exists v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7 : bv32, v_skolemized_q#valueAsBitvector_5 : bv64 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) && i0 == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]) && v_skolemized_q#valueAsBitvector_5[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]) && v_skolemized_q#valueAsBitvector_5[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][0bv32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~bvor32(i0, i1) == 0bv32) && (\exists v_skolemized_q#valueAsBitvector_3 : bv64 :: j0 == ~bvadd64(~bvand32(2047bv32, ~bvashr32(v_skolemized_q#valueAsBitvector_3[63:32], 20bv32)), 4294966273bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_3[63:63], v_skolemized_q#valueAsBitvector_3[62:52], v_skolemized_q#valueAsBitvector_3[51:0]))) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7 : bv32, ULTIMATE.start_ceil_double_~i1~0 : bv32, v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5 : bv32, v_skolemized_q#valueAsBitvector_5 : bv64, v_#memory_int_10 : [bv32,bv32]bv32 :: (((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) && ~bvor32(v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32], ULTIMATE.start_ceil_double_~i1~0) == 0bv32) && \result == ~fp~LONGDOUBLE((v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[63:63], (v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[62:52], (v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[51:0])) && v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32] == v_skolemized_q#valueAsBitvector_5[63:32]) && v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][0bv32] == v_skolemized_q#valueAsBitvector_5[31:0])) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 86 SDtfs, 90 SDslu, 39 SDs, 0 SdLazy, 58 SolverSat, 11 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 184 HoareAnnotationTreeSize, 3 FomulaSimplifications, 38 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 115 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 62 ConstructedInterpolants, 23 QuantifiedInterpolants, 14747 SizeOfPredicates, 24 NumberOfNonLiveVariables, 243 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...