./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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_1092d.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 f610a17a072f47d6ea9cfa05b6dbea512bdb1b51 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1092d.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 f610a17a072f47d6ea9cfa05b6dbea512bdb1b51 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 08:23:33,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 08:23:33,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 08:23:33,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 08:23:33,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 08:23:33,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 08:23:33,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 08:23:33,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 08:23:33,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 08:23:33,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 08:23:33,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 08:23:33,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 08:23:33,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 08:23:33,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 08:23:33,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 08:23:33,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 08:23:33,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 08:23:33,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 08:23:33,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 08:23:33,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 08:23:33,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 08:23:33,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 08:23:33,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 08:23:33,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 08:23:33,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 08:23:33,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 08:23:33,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 08:23:33,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 08:23:33,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 08:23:33,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 08:23:33,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 08:23:33,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 08:23:33,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 08:23:33,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 08:23:33,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 08:23:33,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 08:23:33,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 08:23:33,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 08:23:33,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 08:23:33,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 08:23:33,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 08:23:33,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 08:23:33,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 08:23:33,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 08:23:33,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 08:23:33,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 08:23:33,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 08:23:33,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 08:23:33,153 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 08:23:33,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 08:23:33,154 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 08:23:33,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 08:23:33,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 08:23:33,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 08:23:33,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 08:23:33,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 08:23:33,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 08:23:33,156 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 08:23:33,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 08:23:33,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 08:23:33,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 08:23:33,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 08:23:33,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 08:23:33,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 08:23:33,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 08:23:33,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 08:23:33,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 08:23:33,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 08:23:33,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 08:23:33,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 08:23:33,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 08:23:33,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 08:23:33,169 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f610a17a072f47d6ea9cfa05b6dbea512bdb1b51 [2021-08-29 08:23:33,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 08:23:33,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 08:23:33,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 08:23:33,522 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 08:23:33,524 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 08:23:33,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2021-08-29 08:23:33,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a78a85b27/192532af0ce0463fab60e4494667d9c5/FLAG192b25101 [2021-08-29 08:23:34,025 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 08:23:34,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2021-08-29 08:23:34,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a78a85b27/192532af0ce0463fab60e4494667d9c5/FLAG192b25101 [2021-08-29 08:23:34,046 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a78a85b27/192532af0ce0463fab60e4494667d9c5 [2021-08-29 08:23:34,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 08:23:34,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 08:23:34,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 08:23:34,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 08:23:34,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 08:23:34,056 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16753710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34, skipping insertion in model container [2021-08-29 08:23:34,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 08:23:34,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 08:23:34,254 WARN L228 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_1092d.c[2417,2430] [2021-08-29 08:23:34,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 08:23:34,273 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 08:23:34,318 WARN L228 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_1092d.c[2417,2430] [2021-08-29 08:23:34,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 08:23:34,334 INFO L208 MainTranslator]: Completed translation [2021-08-29 08:23:34,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34 WrapperNode [2021-08-29 08:23:34,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 08:23:34,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 08:23:34,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 08:23:34,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 08:23:34,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 08:23:34,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 08:23:34,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 08:23:34,388 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 08:23:34,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 08:23:34,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 08:23:34,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 08:23:34,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 08:23:34,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34" (1/1) ... [2021-08-29 08:23:34,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 08:23:34,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 08:23:34,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 08:23:34,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 08:23:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 08:23:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 08:23:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-08-29 08:23:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 08:23:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-08-29 08:23:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 08:23:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 08:23:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-29 08:23:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 08:23:34,682 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 08:23:34,683 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-29 08:23:34,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:23:34 BoogieIcfgContainer [2021-08-29 08:23:34,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 08:23:34,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 08:23:34,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 08:23:34,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 08:23:34,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 08:23:34" (1/3) ... [2021-08-29 08:23:34,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e63da42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 08:23:34, skipping insertion in model container [2021-08-29 08:23:34,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:34" (2/3) ... [2021-08-29 08:23:34,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e63da42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 08:23:34, skipping insertion in model container [2021-08-29 08:23:34,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:23:34" (3/3) ... [2021-08-29 08:23:34,690 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092d.c [2021-08-29 08:23:34,694 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 08:23:34,694 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 08:23:34,727 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 08:23:34,732 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 08:23:34,732 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 08:23:34,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-29 08:23:34,753 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:23:34,753 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:23:34,754 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:23:34,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:23:34,758 INFO L82 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2021-08-29 08:23:34,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 08:23:34,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756678485] [2021-08-29 08:23:34,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:23:34,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 08:23:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:23:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:23:34,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 08:23:34,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756678485] [2021-08-29 08:23:34,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756678485] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 08:23:34,883 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:23:34,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 08:23:34,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17416247] [2021-08-29 08:23:34,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 08:23:34,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 08:23:34,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 08:23:34,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 08:23:34,911 INFO L87 Difference]: Start difference. First operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:35,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:23:35,055 INFO L93 Difference]: Finished difference Result 72 states and 114 transitions. [2021-08-29 08:23:35,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 08:23:35,057 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-29 08:23:35,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:23:35,063 INFO L225 Difference]: With dead ends: 72 [2021-08-29 08:23:35,063 INFO L226 Difference]: Without dead ends: 34 [2021-08-29 08:23:35,076 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 08:23:35,078 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 128.05ms IncrementalHoareTripleChecker+Time [2021-08-29 08:23:35,079 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 51 Unknown, 0 Unchecked, 0.48ms Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 128.05ms Time] [2021-08-29 08:23:35,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-08-29 08:23:35,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-08-29 08:23:35,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 33 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:35,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2021-08-29 08:23:35,109 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2021-08-29 08:23:35,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:23:35,109 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2021-08-29 08:23:35,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:35,109 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2021-08-29 08:23:35,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-29 08:23:35,110 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:23:35,110 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:23:35,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 08:23:35,110 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:23:35,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:23:35,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2021-08-29 08:23:35,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 08:23:35,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654615986] [2021-08-29 08:23:35,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:23:35,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 08:23:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 08:23:35,246 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 08:23:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 08:23:35,345 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 08:23:35,345 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 08:23:35,346 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 08:23:35,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 08:23:35,365 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 08:23:35,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 08:23:35 BoogieIcfgContainer [2021-08-29 08:23:35,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 08:23:35,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 08:23:35,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 08:23:35,386 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 08:23:35,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:23:34" (3/4) ... [2021-08-29 08:23:35,388 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-29 08:23:35,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 08:23:35,389 INFO L158 Benchmark]: Toolchain (without parser) took 1339.37ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 32.7MB in the beginning and 52.8MB in the end (delta: -20.1MB). Peak memory consumption was 608.1kB. Max. memory is 16.1GB. [2021-08-29 08:23:35,389 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 08:23:35,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.79ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 32.6MB in the beginning and 58.8MB in the end (delta: -26.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-08-29 08:23:35,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.90ms. Allocated memory is still 77.6MB. Free memory was 58.8MB in the beginning and 57.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 08:23:35,390 INFO L158 Benchmark]: Boogie Preprocessor took 47.72ms. Allocated memory is still 77.6MB. Free memory was 57.0MB in the beginning and 55.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 08:23:35,391 INFO L158 Benchmark]: RCFGBuilder took 248.00ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 43.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 08:23:35,392 INFO L158 Benchmark]: TraceAbstraction took 699.52ms. Allocated memory is still 77.6MB. Free memory was 43.1MB in the beginning and 53.2MB in the end (delta: -10.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-08-29 08:23:35,392 INFO L158 Benchmark]: Witness Printer took 2.69ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 52.8MB in the end (delta: 412.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 08:23:35,394 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.79ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 32.6MB in the beginning and 58.8MB in the end (delta: -26.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.90ms. Allocated memory is still 77.6MB. Free memory was 58.8MB in the beginning and 57.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.72ms. Allocated memory is still 77.6MB. Free memory was 57.0MB in the beginning and 55.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 248.00ms. Allocated memory is still 77.6MB. Free memory was 55.2MB in the beginning and 43.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 699.52ms. Allocated memory is still 77.6MB. Free memory was 43.1MB in the beginning and 53.2MB in the end (delta: -10.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 2.69ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 52.8MB in the end (delta: 412.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 110]: 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 40, overapproximation of bitwiseOr at line 92, overapproximation of someBinaryArithmeticDOUBLEoperation at line 105, overapproximation of bitwiseAnd at line 91. Possible FailurePath: [L16] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L105] double x = -1.0 / 0.0; [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] COND FALSE !(j0 < 0) [L40] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L41] COND TRUE ((i0 & i) | i1) == 0 [L42] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L106] double res = ceil_double(x); [L84] __int32_t hx, lx; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L86] ieee_double_shape_type ew_u; [L87] ew_u.value = (x) [L88] EXPR ew_u.parts.msw [L88] (hx) = ew_u.parts.msw [L89] EXPR ew_u.parts.lsw [L89] (lx) = ew_u.parts.lsw [L91] hx &= 0x7fffffff [L92] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L93] hx = 0x7ff00000 - hx [L94] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L109] COND TRUE !isinf_double(res) [L110] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 625.43ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 13.37ms, AutomataDifference: 192.10ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 7.35ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 128.05ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 108.98ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 51 mSolverCounterSat, 0.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 19.49ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.87ms SsaConstructionTime, 134.60ms SatisfiabilityAnalysisTime, 50.85ms InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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 [2021-08-29 08:23:35,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 08:23:38,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 08:23:38,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 08:23:38,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 08:23:38,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 08:23:38,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 08:23:38,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 08:23:38,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 08:23:38,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 08:23:38,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 08:23:38,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 08:23:38,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 08:23:38,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 08:23:38,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 08:23:38,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 08:23:38,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 08:23:38,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 08:23:38,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 08:23:38,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 08:23:38,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 08:23:38,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 08:23:38,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 08:23:38,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 08:23:38,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 08:23:38,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 08:23:38,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 08:23:38,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 08:23:38,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 08:23:38,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 08:23:38,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 08:23:38,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 08:23:38,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 08:23:38,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 08:23:38,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 08:23:38,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 08:23:38,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 08:23:38,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 08:23:38,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 08:23:38,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 08:23:38,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 08:23:38,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 08:23:38,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-29 08:23:38,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 08:23:38,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 08:23:38,223 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 08:23:38,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 08:23:38,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 08:23:38,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 08:23:38,230 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 08:23:38,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 08:23:38,230 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 08:23:38,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 08:23:38,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 08:23:38,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 08:23:38,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 08:23:38,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 08:23:38,232 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 08:23:38,232 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 08:23:38,232 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 08:23:38,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 08:23:38,232 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 08:23:38,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 08:23:38,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 08:23:38,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 08:23:38,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 08:23:38,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 08:23:38,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 08:23:38,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 08:23:38,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 08:23:38,243 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 08:23:38,243 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 08:23:38,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 08:23:38,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 08:23:38,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 08:23:38,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f610a17a072f47d6ea9cfa05b6dbea512bdb1b51 [2021-08-29 08:23:38,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 08:23:38,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 08:23:38,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 08:23:38,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 08:23:38,579 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 08:23:38,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2021-08-29 08:23:38,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8c52d62/c1b8b6956fd9451e89e766dc382c47b3/FLAGc23384500 [2021-08-29 08:23:38,967 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 08:23:38,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092d.c [2021-08-29 08:23:38,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8c52d62/c1b8b6956fd9451e89e766dc382c47b3/FLAGc23384500 [2021-08-29 08:23:38,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f8c52d62/c1b8b6956fd9451e89e766dc382c47b3 [2021-08-29 08:23:38,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 08:23:38,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 08:23:38,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 08:23:38,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 08:23:38,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 08:23:38,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:23:38" (1/1) ... [2021-08-29 08:23:38,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23366d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:38, skipping insertion in model container [2021-08-29 08:23:38,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:23:38" (1/1) ... [2021-08-29 08:23:39,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 08:23:39,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 08:23:39,164 WARN L228 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_1092d.c[2417,2430] [2021-08-29 08:23:39,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 08:23:39,190 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 08:23:39,252 WARN L228 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_1092d.c[2417,2430] [2021-08-29 08:23:39,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 08:23:39,265 INFO L208 MainTranslator]: Completed translation [2021-08-29 08:23:39,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39 WrapperNode [2021-08-29 08:23:39,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 08:23:39,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 08:23:39,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 08:23:39,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 08:23:39,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39" (1/1) ... [2021-08-29 08:23:39,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39" (1/1) ... [2021-08-29 08:23:39,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 08:23:39,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 08:23:39,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 08:23:39,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 08:23:39,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39" (1/1) ... [2021-08-29 08:23:39,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39" (1/1) ... [2021-08-29 08:23:39,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39" (1/1) ... [2021-08-29 08:23:39,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39" (1/1) ... [2021-08-29 08:23:39,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39" (1/1) ... [2021-08-29 08:23:39,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39" (1/1) ... [2021-08-29 08:23:39,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39" (1/1) ... [2021-08-29 08:23:39,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 08:23:39,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 08:23:39,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 08:23:39,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 08:23:39,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39" (1/1) ... [2021-08-29 08:23:39,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 08:23:39,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 08:23:39,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 08:23:39,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 08:23:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-08-29 08:23:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-08-29 08:23:39,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-29 08:23:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 08:23:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-29 08:23:39,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 08:23:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 08:23:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-29 08:23:39,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 08:23:39,527 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 08:23:39,527 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-29 08:23:39,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:23:39 BoogieIcfgContainer [2021-08-29 08:23:39,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 08:23:39,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 08:23:39,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 08:23:39,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 08:23:39,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 08:23:38" (1/3) ... [2021-08-29 08:23:39,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3641d249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 08:23:39, skipping insertion in model container [2021-08-29 08:23:39,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:23:39" (2/3) ... [2021-08-29 08:23:39,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3641d249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 08:23:39, skipping insertion in model container [2021-08-29 08:23:39,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:23:39" (3/3) ... [2021-08-29 08:23:39,534 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092d.c [2021-08-29 08:23:39,538 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 08:23:39,538 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 08:23:39,568 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 08:23:39,572 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 08:23:39,573 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 08:23:39,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:39,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-29 08:23:39,585 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:23:39,586 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:23:39,586 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:23:39,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:23:39,590 INFO L82 PathProgramCache]: Analyzing trace with hash 658478814, now seen corresponding path program 1 times [2021-08-29 08:23:39,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 08:23:39,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388283597] [2021-08-29 08:23:39,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:23:39,598 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 08:23:39,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 08:23:39,600 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 08:23:39,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-29 08:23:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:23:39,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-29 08:23:39,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 08:23:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:23:39,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 08:23:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:23:39,898 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 08:23:39,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388283597] [2021-08-29 08:23:39,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388283597] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 08:23:39,899 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:23:39,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-29 08:23:39,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426522058] [2021-08-29 08:23:39,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 08:23:39,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 08:23:39,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 08:23:39,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 08:23:39,935 INFO L87 Difference]: Start difference. First operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:41,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:23:41,006 INFO L93 Difference]: Finished difference Result 72 states and 114 transitions. [2021-08-29 08:23:41,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 08:23:41,008 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-29 08:23:41,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:23:41,014 INFO L225 Difference]: With dead ends: 72 [2021-08-29 08:23:41,014 INFO L226 Difference]: Without dead ends: 34 [2021-08-29 08:23:41,017 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.10ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 08:23:41,019 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 993.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.59ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1054.00ms IncrementalHoareTripleChecker+Time [2021-08-29 08:23:41,020 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 51 Unknown, 0 Unchecked, 0.59ms Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1054.00ms Time] [2021-08-29 08:23:41,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-08-29 08:23:41,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-08-29 08:23:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 33 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2021-08-29 08:23:41,045 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 13 [2021-08-29 08:23:41,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:23:41,045 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2021-08-29 08:23:41,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:41,046 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2021-08-29 08:23:41,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-29 08:23:41,046 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:23:41,047 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:23:41,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-29 08:23:41,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 08:23:41,257 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:23:41,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:23:41,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1562173395, now seen corresponding path program 1 times [2021-08-29 08:23:41,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 08:23:41,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072112569] [2021-08-29 08:23:41,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:23:41,264 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 08:23:41,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 08:23:41,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 08:23:41,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-29 08:23:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:23:41,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-29 08:23:41,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 08:23:41,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:23:41,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 08:23:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:23:41,817 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 08:23:41,817 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072112569] [2021-08-29 08:23:41,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072112569] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 08:23:41,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:23:41,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-29 08:23:41,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157053087] [2021-08-29 08:23:41,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 08:23:41,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 08:23:41,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 08:23:41,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-29 08:23:41,820 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:42,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:23:42,440 INFO L93 Difference]: Finished difference Result 57 states and 69 transitions. [2021-08-29 08:23:42,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 08:23:42,440 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-29 08:23:42,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:23:42,441 INFO L225 Difference]: With dead ends: 57 [2021-08-29 08:23:42,441 INFO L226 Difference]: Without dead ends: 38 [2021-08-29 08:23:42,442 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 149.00ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-29 08:23:42,442 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 13 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 560.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.57ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 605.34ms IncrementalHoareTripleChecker+Time [2021-08-29 08:23:42,443 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 0 Invalid, 185 Unknown, 0 Unchecked, 1.57ms Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 81 Unchecked, 605.34ms Time] [2021-08-29 08:23:42,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-08-29 08:23:42,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 26. [2021-08-29 08:23:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:42,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-08-29 08:23:42,446 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 15 [2021-08-29 08:23:42,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:23:42,446 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-08-29 08:23:42,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:42,446 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-08-29 08:23:42,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-29 08:23:42,446 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:23:42,447 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:23:42,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-29 08:23:42,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 08:23:42,656 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:23:42,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:23:42,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1129837443, now seen corresponding path program 1 times [2021-08-29 08:23:42,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 08:23:42,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447972843] [2021-08-29 08:23:42,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:23:42,658 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 08:23:42,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 08:23:42,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 08:23:42,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-29 08:23:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:23:42,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-29 08:23:42,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 08:23:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:23:42,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 08:23:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:23:43,020 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 08:23:43,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447972843] [2021-08-29 08:23:43,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447972843] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 08:23:43,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:23:43,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-29 08:23:43,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963128067] [2021-08-29 08:23:43,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-29 08:23:43,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 08:23:43,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-29 08:23:43,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-29 08:23:43,022 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:43,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:23:43,289 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2021-08-29 08:23:43,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 08:23:43,290 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-29 08:23:43,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:23:43,290 INFO L225 Difference]: With dead ends: 42 [2021-08-29 08:23:43,290 INFO L226 Difference]: Without dead ends: 24 [2021-08-29 08:23:43,291 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 118.24ms TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-29 08:23:43,291 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 7 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 250.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.59ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 262.55ms IncrementalHoareTripleChecker+Time [2021-08-29 08:23:43,291 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 0 Invalid, 74 Unknown, 0 Unchecked, 0.59ms Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 41 Unchecked, 262.55ms Time] [2021-08-29 08:23:43,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-08-29 08:23:43,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 16. [2021-08-29 08:23:43,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:43,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-08-29 08:23:43,294 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 15 [2021-08-29 08:23:43,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:23:43,294 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-08-29 08:23:43,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:43,294 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-08-29 08:23:43,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-29 08:23:43,294 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 08:23:43,295 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 08:23:43,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-29 08:23:43,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 08:23:43,501 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 08:23:43,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 08:23:43,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1582346339, now seen corresponding path program 1 times [2021-08-29 08:23:43,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 08:23:43,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639608603] [2021-08-29 08:23:43,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 08:23:43,502 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 08:23:43,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 08:23:43,504 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 08:23:43,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-29 08:23:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 08:23:43,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-29 08:23:43,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 08:23:43,729 INFO L388 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 44 treesize of output 42 [2021-08-29 08:23:43,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:23:43,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 08:23:44,001 INFO L388 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 97 treesize of output 89 [2021-08-29 08:23:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 08:23:47,926 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 08:23:47,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639608603] [2021-08-29 08:23:47,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639608603] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 08:23:47,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 08:23:47,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-08-29 08:23:47,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472481201] [2021-08-29 08:23:47,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-29 08:23:47,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 08:23:47,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-29 08:23:47,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-08-29 08:23:47,927 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:48,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 08:23:48,083 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2021-08-29 08:23:48,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-29 08:23:48,083 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-08-29 08:23:48,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 08:23:48,084 INFO L225 Difference]: With dead ends: 16 [2021-08-29 08:23:48,084 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 08:23:48,084 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2905.41ms TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-08-29 08:23:48,088 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 21 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.05ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 52 IncrementalHoareTripleChecker+Unchecked, 59.95ms IncrementalHoareTripleChecker+Time [2021-08-29 08:23:48,088 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 0 Invalid, 80 Unknown, 0 Unchecked, 1.05ms Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 52 Unchecked, 59.95ms Time] [2021-08-29 08:23:48,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 08:23:48,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 08:23:48,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:48,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 08:23:48,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-08-29 08:23:48,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 08:23:48,090 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 08:23:48,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 08:23:48,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 08:23:48,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 08:23:48,093 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 08:23:48,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-29 08:23:48,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 08:23:48,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 08:23:48,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 08:23:48,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 08:23:48,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 08:23:48,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 08:23:48,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 08:23:48,394 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 69) no Hoare annotation was computed. [2021-08-29 08:23:48,394 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 60 69) no Hoare annotation was computed. [2021-08-29 08:23:48,395 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 85 90) no Hoare annotation was computed. [2021-08-29 08:23:48,395 INFO L854 garLoopResultBuilder]: At program point L85-2(lines 85 90) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= |ULTIMATE.start_ceil_double_#res| .cse0) (= .cse0 ULTIMATE.start_isinf_double_~x) (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start_ceil_double_~x))) [2021-08-29 08:23:48,395 INFO L858 garLoopResultBuilder]: For program point L85-3(lines 85 90) no Hoare annotation was computed. [2021-08-29 08:23:48,399 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-29 08:23:48,400 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-08-29 08:23:48,400 INFO L858 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2021-08-29 08:23:48,400 INFO L854 garLoopResultBuilder]: At program point L94(lines 83 95) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (= |ULTIMATE.start_isinf_double_#res| (bvadd (bvneg (bvlshr (let ((.cse1 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (bvlshr (let ((.cse2 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|))) (bvor .cse2 (bvneg .cse2))) (_ bv31 32))))))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))) (_ bv1 32))))) [2021-08-29 08:23:48,401 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 08:23:48,401 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 68) no Hoare annotation was computed. [2021-08-29 08:23:48,401 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 08:23:48,402 INFO L858 garLoopResultBuilder]: For program point L28(lines 28 72) no Hoare annotation was computed. [2021-08-29 08:23:48,402 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 49) no Hoare annotation was computed. [2021-08-29 08:23:48,407 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 26) no Hoare annotation was computed. [2021-08-29 08:23:48,407 INFO L854 garLoopResultBuilder]: At program point L21-2(lines 21 26) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start_ceil_double_~x)) [2021-08-29 08:23:48,408 INFO L858 garLoopResultBuilder]: For program point L21-3(lines 21 26) no Hoare annotation was computed. [2021-08-29 08:23:48,408 INFO L854 garLoopResultBuilder]: At program point L79(lines 18 80) the Hoare annotation is: (and (= |ULTIMATE.start_ceil_double_#res| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start_ceil_double_~x)) [2021-08-29 08:23:48,408 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 38) no Hoare annotation was computed. [2021-08-29 08:23:48,408 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 37) no Hoare annotation was computed. [2021-08-29 08:23:48,408 INFO L861 garLoopResultBuilder]: At program point L114(lines 97 115) the Hoare annotation is: true [2021-08-29 08:23:48,408 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 78) no Hoare annotation was computed. [2021-08-29 08:23:48,408 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 18 80) no Hoare annotation was computed. [2021-08-29 08:23:48,409 INFO L858 garLoopResultBuilder]: For program point L73-2(lines 73 78) no Hoare annotation was computed. [2021-08-29 08:23:48,409 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 66) no Hoare annotation was computed. [2021-08-29 08:23:48,409 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 08:23:48,409 INFO L858 garLoopResultBuilder]: For program point L65-2(lines 65 66) no Hoare annotation was computed. [2021-08-29 08:23:48,410 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 58) no Hoare annotation was computed. [2021-08-29 08:23:48,410 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2021-08-29 08:23:48,410 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 42) no Hoare annotation was computed. [2021-08-29 08:23:48,410 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 08:23:48,411 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 72) no Hoare annotation was computed. [2021-08-29 08:23:48,411 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 37) no Hoare annotation was computed. [2021-08-29 08:23:48,411 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 71) no Hoare annotation was computed. [2021-08-29 08:23:48,411 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 54) no Hoare annotation was computed. [2021-08-29 08:23:48,411 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 112) no Hoare annotation was computed. [2021-08-29 08:23:48,412 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 48) no Hoare annotation was computed. [2021-08-29 08:23:48,415 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 08:23:48,419 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,420 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,420 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,427 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,427 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,427 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,427 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,427 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,428 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,428 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,428 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,428 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,429 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,433 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,433 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,433 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,433 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,433 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,433 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,433 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,434 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,434 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,434 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,434 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,435 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,435 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,435 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,437 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,437 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,437 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,438 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,447 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,450 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,451 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 08:23:48 BoogieIcfgContainer [2021-08-29 08:23:48,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 08:23:48,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 08:23:48,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 08:23:48,453 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 08:23:48,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:23:39" (3/4) ... [2021-08-29 08:23:48,456 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 08:23:48,463 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-08-29 08:23:48,465 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-29 08:23:48,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 08:23:48,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 08:23:48,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x [2021-08-29 08:23:48,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x [2021-08-29 08:23:48,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_7[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_7[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_7[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_7[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_7[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_7[31:0])), 31bv32)))))), 31bv32)), 1bv32)) [2021-08-29 08:23:48,516 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 08:23:48,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 08:23:48,517 INFO L158 Benchmark]: Toolchain (without parser) took 9526.93ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 37.3MB in the beginning and 34.8MB in the end (delta: 2.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-08-29 08:23:48,517 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 44.0MB. Free memory was 26.5MB in the beginning and 26.5MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 08:23:48,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.64ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 36.9MB in the end (delta: 315.0kB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-08-29 08:23:48,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.33ms. Allocated memory is still 54.5MB. Free memory was 36.9MB in the beginning and 35.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 08:23:48,518 INFO L158 Benchmark]: Boogie Preprocessor took 22.38ms. Allocated memory is still 54.5MB. Free memory was 35.0MB in the beginning and 33.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 08:23:48,518 INFO L158 Benchmark]: RCFGBuilder took 212.72ms. Allocated memory is still 54.5MB. Free memory was 33.2MB in the beginning and 32.6MB in the end (delta: 683.1kB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-08-29 08:23:48,519 INFO L158 Benchmark]: TraceAbstraction took 8921.91ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 32.2MB in the beginning and 38.3MB in the end (delta: -6.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-08-29 08:23:48,519 INFO L158 Benchmark]: Witness Printer took 64.16ms. Allocated memory is still 69.2MB. Free memory was 38.3MB in the beginning and 34.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 08:23:48,521 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 44.0MB. Free memory was 26.5MB in the beginning and 26.5MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.64ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 36.9MB in the end (delta: 315.0kB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.33ms. Allocated memory is still 54.5MB. Free memory was 36.9MB in the beginning and 35.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.38ms. Allocated memory is still 54.5MB. Free memory was 35.0MB in the beginning and 33.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 212.72ms. Allocated memory is still 54.5MB. Free memory was 33.2MB in the beginning and 32.6MB in the end (delta: 683.1kB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8921.91ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 32.2MB in the beginning and 38.3MB in the end (delta: -6.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Witness Printer took 64.16ms. Allocated memory is still 69.2MB. Free memory was 38.3MB in the beginning and 34.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 110]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8848.11ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 7.74ms, AutomataDifference: 2175.24ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 99.30ms, InitialAbstractionConstructionTime: 6.08ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 1981.84ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1858.78ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 174 IncrementalHoareTripleChecker+Unchecked, 197 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 212 IncrementalHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 212 mSolverCounterSat, 3.81ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3172.75ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 18.54ms AutomataMinimizationTime, 4 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 161 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 29.67ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 64.43ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 57.79ms SsaConstructionTime, 231.86ms SatisfiabilityAnalysisTime, 5229.39ms InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 23 QuantifiedInterpolants, 1192 SizeOfPredicates, 29 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 83]: Loop Invariant [2021-08-29 08:23:48,547 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,547 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,547 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,548 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,548 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,548 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,548 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,549 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,549 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,552 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,552 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,552 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,552 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,552 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,552 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,553 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,553 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,553 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,553 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,553 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,553 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,554 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-08-29 08:23:48,554 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_7 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_7[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_7[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_7[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_7[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_7[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_7[31:0])), 31bv32)))))), 31bv32)), 1bv32)) - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant [2021-08-29 08:23:48,554 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,555 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,555 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,555 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,555 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,556 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,557 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,557 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,560 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,561 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,561 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,561 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,561 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 18]: Loop Invariant [2021-08-29 08:23:48,567 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,567 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,567 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,567 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,567 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,569 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 21]: Loop Invariant [2021-08-29 08:23:48,569 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-08-29 08:23:48,569 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x RESULT: Ultimate proved your program to be correct! [2021-08-29 08:23:48,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...