./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_0730b.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 788527977e7ebd7aa0a832758f41b65d3cbd270a ...................................................................................................................................................................................................................................................................................... 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_0730b.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 788527977e7ebd7aa0a832758f41b65d3cbd270a ..................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:47:22,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:47:22,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:47:22,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:47:22,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:47:22,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:47:22,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:47:22,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:47:22,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:47:22,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:47:22,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:47:22,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:47:22,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:47:22,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:47:22,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:47:22,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:47:22,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:47:22,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:47:22,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:47:22,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:47:22,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:47:22,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:47:22,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:47:22,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:47:22,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:47:22,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:47:22,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:47:22,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:47:22,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:47:22,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:47:22,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:47:22,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:47:22,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:47:22,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:47:22,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:47:22,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:47:22,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:47:22,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:47:22,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:47:22,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:47:22,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:47:22,334 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:47:22,360 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:47:22,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:47:22,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:47:22,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:47:22,363 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:47:22,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:47:22,364 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:47:22,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:47:22,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:47:22,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:47:22,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:47:22,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:47:22,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:47:22,367 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:47:22,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:47:22,368 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:47:22,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:47:22,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:47:22,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:47:22,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:47:22,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:47:22,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:47:22,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:47:22,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:47:22,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:47:22,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:47:22,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:47:22,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:47:22,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:47:22,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 788527977e7ebd7aa0a832758f41b65d3cbd270a [2019-11-28 16:47:22,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:47:22,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:47:22,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:47:22,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:47:22,736 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:47:22,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-28 16:47:22,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db2216b2/92fdf4c738854d90a188221d9c71dc94/FLAG939464702 [2019-11-28 16:47:23,360 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:47:23,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-28 16:47:23,370 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db2216b2/92fdf4c738854d90a188221d9c71dc94/FLAG939464702 [2019-11-28 16:47:23,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db2216b2/92fdf4c738854d90a188221d9c71dc94 [2019-11-28 16:47:23,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:47:23,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:47:23,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:47:23,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:47:23,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:47:23,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:47:23" (1/1) ... [2019-11-28 16:47:23,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f83d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:23, skipping insertion in model container [2019-11-28 16:47:23,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:47:23" (1/1) ... [2019-11-28 16:47:23,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:47:23,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:47:24,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:47:24,057 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:47:24,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:47:24,134 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:47:24,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24 WrapperNode [2019-11-28 16:47:24,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:47:24,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:47:24,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:47:24,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:47:24,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24" (1/1) ... [2019-11-28 16:47:24,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24" (1/1) ... [2019-11-28 16:47:24,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:47:24,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:47:24,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:47:24,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:47:24,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24" (1/1) ... [2019-11-28 16:47:24,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24" (1/1) ... [2019-11-28 16:47:24,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24" (1/1) ... [2019-11-28 16:47:24,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24" (1/1) ... [2019-11-28 16:47:24,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24" (1/1) ... [2019-11-28 16:47:24,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24" (1/1) ... [2019-11-28 16:47:24,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24" (1/1) ... [2019-11-28 16:47:24,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:47:24,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:47:24,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:47:24,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:47:24,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:47:24,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:47:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-28 16:47:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 16:47:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-28 16:47:24,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:47:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:47:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 16:47:24,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:47:24,855 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:47:24,855 INFO L287 CfgBuilder]: Removed 18 assume(true) statements. [2019-11-28 16:47:24,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:47:24 BoogieIcfgContainer [2019-11-28 16:47:24,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:47:24,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:47:24,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:47:24,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:47:24,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:47:23" (1/3) ... [2019-11-28 16:47:24,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab77333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:47:24, skipping insertion in model container [2019-11-28 16:47:24,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:24" (2/3) ... [2019-11-28 16:47:24,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab77333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:47:24, skipping insertion in model container [2019-11-28 16:47:24,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:47:24" (3/3) ... [2019-11-28 16:47:24,866 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730b.c [2019-11-28 16:47:24,877 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:47:24,885 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:47:24,895 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:47:24,915 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:47:24,916 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:47:24,916 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:47:24,916 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:47:24,916 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:47:24,916 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:47:24,916 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:47:24,917 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:47:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2019-11-28 16:47:24,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 16:47:24,938 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:47:24,939 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:47:24,940 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:47:24,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:47:24,946 INFO L82 PathProgramCache]: Analyzing trace with hash 361085180, now seen corresponding path program 1 times [2019-11-28 16:47:24,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:47:24,953 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272428480] [2019-11-28 16:47:24,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:47:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:47:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:47:25,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272428480] [2019-11-28 16:47:25,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:47:25,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 16:47:25,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296158351] [2019-11-28 16:47:25,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:47:25,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:47:25,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:47:25,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:47:25,106 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2019-11-28 16:47:25,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:47:25,128 INFO L93 Difference]: Finished difference Result 104 states and 166 transitions. [2019-11-28 16:47:25,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:47:25,129 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-28 16:47:25,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:47:25,142 INFO L225 Difference]: With dead ends: 104 [2019-11-28 16:47:25,143 INFO L226 Difference]: Without dead ends: 50 [2019-11-28 16:47:25,146 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:47:25,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-28 16:47:25,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-11-28 16:47:25,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-28 16:47:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2019-11-28 16:47:25,193 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 8 [2019-11-28 16:47:25,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:47:25,194 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2019-11-28 16:47:25,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:47:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2019-11-28 16:47:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 16:47:25,195 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:47:25,195 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:47:25,195 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:47:25,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:47:25,196 INFO L82 PathProgramCache]: Analyzing trace with hash 331839487, now seen corresponding path program 1 times [2019-11-28 16:47:25,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:47:25,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756124931] [2019-11-28 16:47:25,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:47:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:47:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:47:25,291 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:47:25,291 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:47:25,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:47:25 BoogieIcfgContainer [2019-11-28 16:47:25,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:47:25,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:47:25,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:47:25,322 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:47:25,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:47:24" (3/4) ... [2019-11-28 16:47:25,325 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:47:25,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:47:25,328 INFO L168 Benchmark]: Toolchain (without parser) took 1638.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -118.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:47:25,329 INFO L168 Benchmark]: CDTParser took 1.04 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:47:25,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:47:25,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:47:25,331 INFO L168 Benchmark]: Boogie Preprocessor took 39.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:47:25,332 INFO L168 Benchmark]: RCFGBuilder took 625.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:47:25,333 INFO L168 Benchmark]: TraceAbstraction took 462.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:47:25,334 INFO L168 Benchmark]: Witness Printer took 4.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:47:25,339 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 445.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -177.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 625.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 462.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 154]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 153. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L149] double x = -0.0; [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L150] double res = __ieee754_sqrt(x); [L153] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L153] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L154] __VERIFIER_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 73 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 16:47:27,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:47:27,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:47:27,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:47:27,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:47:27,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:47:27,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:47:27,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:47:27,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:47:27,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:47:27,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:47:27,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:47:27,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:47:27,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:47:27,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:47:27,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:47:27,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:47:27,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:47:27,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:47:27,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:47:27,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:47:27,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:47:27,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:47:27,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:47:27,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:47:27,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:47:27,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:47:27,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:47:27,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:47:27,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:47:27,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:47:27,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:47:27,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:47:27,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:47:27,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:47:27,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:47:27,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:47:27,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:47:27,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:47:27,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:47:27,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:47:27,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:47:27,412 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:47:27,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:47:27,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:47:27,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:47:27,414 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:47:27,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:47:27,415 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:47:27,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:47:27,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:47:27,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:47:27,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:47:27,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:47:27,417 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:47:27,417 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:47:27,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:47:27,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:47:27,418 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:47:27,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:47:27,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:47:27,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:47:27,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:47:27,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:47:27,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:47:27,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:47:27,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:47:27,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:47:27,421 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:47:27,421 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:47:27,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:47:27,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:47:27,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:47:27,422 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> 788527977e7ebd7aa0a832758f41b65d3cbd270a [2019-11-28 16:47:27,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:47:27,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:47:27,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:47:27,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:47:27,753 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:47:27,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-28 16:47:27,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/525f54211/5373ba27596e43048f9861313b279221/FLAGcdf8d7ba4 [2019-11-28 16:47:28,366 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:47:28,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2019-11-28 16:47:28,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/525f54211/5373ba27596e43048f9861313b279221/FLAGcdf8d7ba4 [2019-11-28 16:47:28,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/525f54211/5373ba27596e43048f9861313b279221 [2019-11-28 16:47:28,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:47:28,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:47:28,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:47:28,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:47:28,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:47:28,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:47:28" (1/1) ... [2019-11-28 16:47:28,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29ca1f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:28, skipping insertion in model container [2019-11-28 16:47:28,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:47:28" (1/1) ... [2019-11-28 16:47:28,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:47:28,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:47:29,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:47:29,041 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:47:29,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:47:29,199 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:47:29,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29 WrapperNode [2019-11-28 16:47:29,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:47:29,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:47:29,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:47:29,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:47:29,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29" (1/1) ... [2019-11-28 16:47:29,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29" (1/1) ... [2019-11-28 16:47:29,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:47:29,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:47:29,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:47:29,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:47:29,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29" (1/1) ... [2019-11-28 16:47:29,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29" (1/1) ... [2019-11-28 16:47:29,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29" (1/1) ... [2019-11-28 16:47:29,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29" (1/1) ... [2019-11-28 16:47:29,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29" (1/1) ... [2019-11-28 16:47:29,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29" (1/1) ... [2019-11-28 16:47:29,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29" (1/1) ... [2019-11-28 16:47:29,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:47:29,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:47:29,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:47:29,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:47:29,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:47:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-28 16:47:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-28 16:47:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:47:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 16:47:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:47:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:47:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 16:47:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:47:32,537 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:47:32,537 INFO L287 CfgBuilder]: Removed 18 assume(true) statements. [2019-11-28 16:47:32,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:47:32 BoogieIcfgContainer [2019-11-28 16:47:32,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:47:32,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:47:32,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:47:32,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:47:32,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:47:28" (1/3) ... [2019-11-28 16:47:32,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52aa82e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:47:32, skipping insertion in model container [2019-11-28 16:47:32,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:29" (2/3) ... [2019-11-28 16:47:32,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52aa82e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:47:32, skipping insertion in model container [2019-11-28 16:47:32,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:47:32" (3/3) ... [2019-11-28 16:47:32,548 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730b.c [2019-11-28 16:47:32,559 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:47:32,569 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:47:32,583 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:47:32,611 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:47:32,611 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:47:32,611 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:47:32,611 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:47:32,611 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:47:32,612 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:47:32,612 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:47:32,612 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:47:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2019-11-28 16:47:32,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-28 16:47:32,634 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:47:32,635 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:47:32,636 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:47:32,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:47:32,643 INFO L82 PathProgramCache]: Analyzing trace with hash 361085180, now seen corresponding path program 1 times [2019-11-28 16:47:32,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:47:32,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186482806] [2019-11-28 16:47:32,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 16:47:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:47:33,062 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 16:47:33,067 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:47:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:47:33,082 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:47:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:47:33,088 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186482806] [2019-11-28 16:47:33,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:47:33,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 16:47:33,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137259719] [2019-11-28 16:47:33,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:47:33,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:47:33,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:47:33,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:47:33,113 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2019-11-28 16:47:33,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:47:33,141 INFO L93 Difference]: Finished difference Result 104 states and 166 transitions. [2019-11-28 16:47:33,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:47:33,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-28 16:47:33,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:47:33,159 INFO L225 Difference]: With dead ends: 104 [2019-11-28 16:47:33,160 INFO L226 Difference]: Without dead ends: 50 [2019-11-28 16:47:33,165 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:47:33,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-11-28 16:47:33,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2019-11-28 16:47:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-28 16:47:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2019-11-28 16:47:33,206 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 8 [2019-11-28 16:47:33,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:47:33,206 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2019-11-28 16:47:33,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:47:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2019-11-28 16:47:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-28 16:47:33,208 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:47:33,208 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:47:33,420 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:47:33,422 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:47:33,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:47:33,423 INFO L82 PathProgramCache]: Analyzing trace with hash 331839487, now seen corresponding path program 1 times [2019-11-28 16:47:33,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:47:33,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941119563] [2019-11-28 16:47:33,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 16:47:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:47:33,795 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 16:47:33,797 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:47:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:47:33,851 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:47:33,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:47:33,894 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941119563] [2019-11-28 16:47:33,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:47:33,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-28 16:47:33,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964185814] [2019-11-28 16:47:33,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 16:47:33,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:47:33,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 16:47:33,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:47:33,898 INFO L87 Difference]: Start difference. First operand 50 states and 70 transitions. Second operand 6 states. [2019-11-28 16:47:35,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:47:35,114 INFO L93 Difference]: Finished difference Result 59 states and 79 transitions. [2019-11-28 16:47:35,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:47:35,502 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-11-28 16:47:35,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:47:35,503 INFO L225 Difference]: With dead ends: 59 [2019-11-28 16:47:35,503 INFO L226 Difference]: Without dead ends: 17 [2019-11-28 16:47:35,504 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 16:47:35,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-28 16:47:35,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-28 16:47:35,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 16:47:35,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-11-28 16:47:35,509 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 9 [2019-11-28 16:47:35,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:47:35,509 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-11-28 16:47:35,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 16:47:35,510 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-11-28 16:47:35,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 16:47:35,511 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:47:35,511 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:47:35,713 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 16:47:35,714 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:47:35,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:47:35,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1929218748, now seen corresponding path program 1 times [2019-11-28 16:47:35,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:47:35,717 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106594933] [2019-11-28 16:47:35,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 16:47:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:47:35,819 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 16:47:35,821 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:47:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:47:35,866 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:47:35,869 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 16:47:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:47:35,908 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106594933] [2019-11-28 16:47:35,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:47:35,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2019-11-28 16:47:35,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953752330] [2019-11-28 16:47:35,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-28 16:47:35,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:47:35,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 16:47:35,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-28 16:47:35,911 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 7 states. [2019-11-28 16:47:38,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:47:38,905 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2019-11-28 16:47:38,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 16:47:38,906 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-11-28 16:47:38,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:47:38,906 INFO L225 Difference]: With dead ends: 29 [2019-11-28 16:47:38,906 INFO L226 Difference]: Without dead ends: 26 [2019-11-28 16:47:38,907 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-28 16:47:38,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-28 16:47:38,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2019-11-28 16:47:38,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-28 16:47:38,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-11-28 16:47:38,913 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 11 [2019-11-28 16:47:38,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:47:38,913 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-11-28 16:47:38,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-28 16:47:38,914 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-11-28 16:47:38,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-28 16:47:38,914 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:47:38,915 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:47:39,129 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 16:47:39,129 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:47:39,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:47:39,130 INFO L82 PathProgramCache]: Analyzing trace with hash 239121058, now seen corresponding path program 1 times [2019-11-28 16:47:39,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:47:39,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043361800] [2019-11-28 16:47:39,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-28 16:47:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:47:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:47:41,102 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 16:47:41,103 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:47:41,304 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 16:47:41,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:47:41 BoogieIcfgContainer [2019-11-28 16:47:41,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:47:41,364 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:47:41,364 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:47:41,364 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:47:41,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:47:32" (3/4) ... [2019-11-28 16:47:41,368 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 16:47:41,470 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:47:41,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:47:41,475 INFO L168 Benchmark]: Toolchain (without parser) took 12746.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 960.3 MB in the beginning and 957.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 11.5 GB. [2019-11-28 16:47:41,481 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:47:41,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:47:41,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:47:41,488 INFO L168 Benchmark]: Boogie Preprocessor took 49.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:47:41,489 INFO L168 Benchmark]: RCFGBuilder took 3229.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:47:41,490 INFO L168 Benchmark]: TraceAbstraction took 8823.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 957.3 MB in the end (delta: 99.9 MB). Peak memory consumption was 99.9 MB. Max. memory is 11.5 GB. [2019-11-28 16:47:41,491 INFO L168 Benchmark]: Witness Printer took 107.05 ms. Allocated memory is still 1.1 GB. Free memory is still 957.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:47:41,500 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 472.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3229.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8823.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 957.3 MB in the end (delta: 99.9 MB). Peak memory consumption was 99.9 MB. Max. memory is 11.5 GB. * Witness Printer took 107.05 ms. Allocated memory is still 1.1 GB. Free memory is still 957.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 154]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1.0, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L149] double x = -0.0; [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1.0, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L32] COND FALSE !((ix0 & 0x7ff00000) == 0x7ff00000) VAL [one_sqrt=1.0, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L36] COND TRUE ix0 <= 0 VAL [one_sqrt=1.0, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L37] COND FALSE !(((ix0 & (~sign)) | ix1) == 0) VAL [one_sqrt=1.0, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L39] COND TRUE ix0 < 0 [L40] return (x - x) / (x - x); VAL [one_sqrt=1.0, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L150] double res = __ieee754_sqrt(x); [L153] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_sqrt=1.0, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] [L153] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L154] __VERIFIER_error() VAL [one_sqrt=1.0, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Result: UNSAFE, OverallTime: 8.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 100 SDtfs, 95 SDslu, 37 SDs, 0 SdLazy, 29 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 3 QuantifiedInterpolants, 1306 SizeOfPredicates, 10 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...