./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1092a.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_1092a.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 8be2489bdcd97218605067fa4593696f9050abdf .......................................................................................................................................................................................................................................................................................... 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_1092a.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 8be2489bdcd97218605067fa4593696f9050abdf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:49:42,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:49:42,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:49:42,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:49:42,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:49:42,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:49:42,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:49:42,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:49:42,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:49:42,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:49:42,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:49:42,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:49:42,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:49:42,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:49:42,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:49:42,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:49:42,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:49:42,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:49:42,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:49:42,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:49:42,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:49:42,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:49:42,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:49:42,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:49:42,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:49:42,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:49:42,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:49:42,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:49:42,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:49:42,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:49:42,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:49:42,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:49:42,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:49:42,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:49:42,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:49:42,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:49:42,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:49:42,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:49:42,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:49:42,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:49:42,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:49:42,368 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:49:42,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:49:42,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:49:42,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:49:42,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:49:42,412 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:49:42,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:49:42,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:49:42,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:49:42,413 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:49:42,413 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:49:42,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:49:42,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:49:42,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:49:42,416 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:49:42,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:49:42,418 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:49:42,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:49:42,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:49:42,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:49:42,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:49:42,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:49:42,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:49:42,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:49:42,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:49:42,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:49:42,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:49:42,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:49:42,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:49:42,424 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:49:42,424 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 -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-11-28 16:49:42,754 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:49:42,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:49:42,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:49:42,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:49:42,782 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:49:42,783 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-28 16:49:42,855 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03d861282/f62f4cf4e53d4f1c82288759f3cd390b/FLAGb917290cf [2019-11-28 16:49:43,327 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:49:43,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-28 16:49:43,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03d861282/f62f4cf4e53d4f1c82288759f3cd390b/FLAGb917290cf [2019-11-28 16:49:43,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03d861282/f62f4cf4e53d4f1c82288759f3cd390b [2019-11-28 16:49:43,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:49:43,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:49:43,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:49:43,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:49:43,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:49:43,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:49:43" (1/1) ... [2019-11-28 16:49:43,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8f7905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:43, skipping insertion in model container [2019-11-28 16:49:43,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:49:43" (1/1) ... [2019-11-28 16:49:43,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:49:43,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:49:43,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:49:43,946 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:49:44,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:49:44,068 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:49:44,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44 WrapperNode [2019-11-28 16:49:44,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:49:44,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:49:44,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:49:44,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:49:44,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44" (1/1) ... [2019-11-28 16:49:44,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44" (1/1) ... [2019-11-28 16:49:44,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:49:44,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:49:44,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:49:44,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:49:44,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44" (1/1) ... [2019-11-28 16:49:44,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44" (1/1) ... [2019-11-28 16:49:44,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44" (1/1) ... [2019-11-28 16:49:44,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44" (1/1) ... [2019-11-28 16:49:44,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44" (1/1) ... [2019-11-28 16:49:44,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44" (1/1) ... [2019-11-28 16:49:44,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44" (1/1) ... [2019-11-28 16:49:44,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:49:44,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:49:44,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:49:44,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:49:44,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:49:44,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-28 16:49:44,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 16:49:44,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-28 16:49:44,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:49:44,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:49:44,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 16:49:44,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:49:44,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:49:44,610 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:49:44,610 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 16:49:44,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:49:44 BoogieIcfgContainer [2019-11-28 16:49:44,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:49:44,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:49:44,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:49:44,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:49:44,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:49:43" (1/3) ... [2019-11-28 16:49:44,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6566d8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:49:44, skipping insertion in model container [2019-11-28 16:49:44,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:44" (2/3) ... [2019-11-28 16:49:44,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6566d8fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:49:44, skipping insertion in model container [2019-11-28 16:49:44,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:49:44" (3/3) ... [2019-11-28 16:49:44,620 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-28 16:49:44,629 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:49:44,636 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:49:44,647 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:49:44,670 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:49:44,670 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:49:44,671 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:49:44,671 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:49:44,671 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:49:44,672 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:49:44,672 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:49:44,672 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:49:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-28 16:49:44,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 16:49:44,691 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:49:44,692 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:49:44,692 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:49:44,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:49:44,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-28 16:49:44,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:49:44,705 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358221974] [2019-11-28 16:49:44,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:49:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:49:44,824 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 16:49:44,825 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358221974] [2019-11-28 16:49:44,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:49:44,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 16:49:44,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476448800] [2019-11-28 16:49:44,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:49:44,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 16:49:44,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:49:44,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:49:44,853 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-28 16:49:44,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:49:44,878 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-28 16:49:44,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:49:44,881 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-28 16:49:44,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:49:44,894 INFO L225 Difference]: With dead ends: 64 [2019-11-28 16:49:44,894 INFO L226 Difference]: Without dead ends: 30 [2019-11-28 16:49:44,898 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 16:49:44,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-28 16:49:44,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-28 16:49:44,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 16:49:44,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-28 16:49:44,945 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-28 16:49:44,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:49:44,945 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-28 16:49:44,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:49:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-28 16:49:44,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 16:49:44,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:49:44,947 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:49:44,948 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:49:44,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:49:44,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-28 16:49:44,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 16:49:44,949 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927045783] [2019-11-28 16:49:44,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 16:49:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:49:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:49:45,047 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 16:49:45,047 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:49:45,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:49:45 BoogieIcfgContainer [2019-11-28 16:49:45,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:49:45,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:49:45,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:49:45,082 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:49:45,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:49:44" (3/4) ... [2019-11-28 16:49:45,087 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 16:49:45,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:49:45,090 INFO L168 Benchmark]: Toolchain (without parser) took 1395.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -118.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:45,091 INFO L168 Benchmark]: CDTParser took 0.93 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 16:49:45,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:45,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.60 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 16:49:45,093 INFO L168 Benchmark]: Boogie Preprocessor took 33.03 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 16:49:45,094 INFO L168 Benchmark]: RCFGBuilder took 461.54 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: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:45,095 INFO L168 Benchmark]: TraceAbstraction took 468.46 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:45,096 INFO L168 Benchmark]: Witness Printer took 5.60 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 16:49:45,100 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 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 373.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.60 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 33.03 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. * RCFGBuilder took 461.54 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: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 468.46 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.60 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: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 41, overapproximation of bitwiseOr at line 42, overapproximation of someUnaryDOUBLEoperation at line 91, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] double x = -0.0; [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] COND TRUE j0 < 20 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 47 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 16:49:47,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:49:47,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:49:47,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:49:47,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:49:47,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:49:47,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:49:47,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:49:47,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:49:47,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:49:47,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:49:47,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:49:47,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:49:47,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:49:47,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:49:47,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:49:47,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:49:47,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:49:47,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:49:47,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:49:47,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:49:47,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:49:47,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:49:47,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:49:47,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:49:47,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:49:47,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:49:47,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:49:47,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:49:47,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:49:47,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:49:47,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:49:47,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:49:47,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:49:47,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:49:47,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:49:47,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:49:47,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:49:47,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:49:47,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:49:47,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:49:47,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:49:47,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:49:47,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:49:47,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:49:47,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:49:47,273 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:49:47,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:49:47,274 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:49:47,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:49:47,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:49:47,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:49:47,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:49:47,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:49:47,277 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:49:47,277 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:49:47,277 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:49:47,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:49:47,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:49:47,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:49:47,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:49:47,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:49:47,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:49:47,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:49:47,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:49:47,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:49:47,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:49:47,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:49:47,281 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:49:47,281 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:49:47,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:49:47,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:49:47,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:49:47,282 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 -> 8be2489bdcd97218605067fa4593696f9050abdf [2019-11-28 16:49:47,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:49:47,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:49:47,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:49:47,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:49:47,622 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:49:47,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-28 16:49:47,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aadfe6588/cde30144b00c41df9a1c8f076e9a5117/FLAG98a2b79b1 [2019-11-28 16:49:48,163 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:49:48,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092a.c [2019-11-28 16:49:48,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aadfe6588/cde30144b00c41df9a1c8f076e9a5117/FLAG98a2b79b1 [2019-11-28 16:49:48,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aadfe6588/cde30144b00c41df9a1c8f076e9a5117 [2019-11-28 16:49:48,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:49:48,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:49:48,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:49:48,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:49:48,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:49:48,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:49:48" (1/1) ... [2019-11-28 16:49:48,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149d31e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48, skipping insertion in model container [2019-11-28 16:49:48,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:49:48" (1/1) ... [2019-11-28 16:49:48,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:49:48,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:49:48,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:49:48,836 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:49:48,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:49:48,990 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:49:48,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48 WrapperNode [2019-11-28 16:49:48,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:49:48,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:49:48,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:49:48,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:49:49,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48" (1/1) ... [2019-11-28 16:49:49,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48" (1/1) ... [2019-11-28 16:49:49,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:49:49,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:49:49,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:49:49,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:49:49,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48" (1/1) ... [2019-11-28 16:49:49,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48" (1/1) ... [2019-11-28 16:49:49,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48" (1/1) ... [2019-11-28 16:49:49,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48" (1/1) ... [2019-11-28 16:49:49,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48" (1/1) ... [2019-11-28 16:49:49,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48" (1/1) ... [2019-11-28 16:49:49,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48" (1/1) ... [2019-11-28 16:49:49,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:49:49,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:49:49,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:49:49,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:49:49,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:49:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-28 16:49:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-28 16:49:49,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:49:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 16:49:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:49:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:49:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 16:49:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:49:50,438 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:49:50,438 INFO L287 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 16:49:50,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:49:50 BoogieIcfgContainer [2019-11-28 16:49:50,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:49:50,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:49:50,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:49:50,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:49:50,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:49:48" (1/3) ... [2019-11-28 16:49:50,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d2de6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:49:50, skipping insertion in model container [2019-11-28 16:49:50,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:49:48" (2/3) ... [2019-11-28 16:49:50,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d2de6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:49:50, skipping insertion in model container [2019-11-28 16:49:50,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:49:50" (3/3) ... [2019-11-28 16:49:50,451 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a.c [2019-11-28 16:49:50,461 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:49:50,469 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:49:50,482 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:49:50,504 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:49:50,504 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:49:50,504 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:49:50,505 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:49:50,505 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:49:50,505 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:49:50,505 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:49:50,505 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:49:50,519 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2019-11-28 16:49:50,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-28 16:49:50,525 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:49:50,526 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:49:50,526 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:49:50,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:49:50,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2019-11-28 16:49:50,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:49:50,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549284415] [2019-11-28 16:49:50,541 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 16:49:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:49:50,613 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 16:49:50,618 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:49:50,634 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 16:49:50,635 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:49:50,639 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 16:49:50,641 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549284415] [2019-11-28 16:49:50,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:49:50,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 16:49:50,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659211854] [2019-11-28 16:49:50,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:49:50,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:49:50,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:49:50,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:49:50,664 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2019-11-28 16:49:50,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:49:50,682 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2019-11-28 16:49:50,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:49:50,683 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-28 16:49:50,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:49:50,693 INFO L225 Difference]: With dead ends: 64 [2019-11-28 16:49:50,694 INFO L226 Difference]: Without dead ends: 30 [2019-11-28 16:49:50,697 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:49:50,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-11-28 16:49:50,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-11-28 16:49:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-11-28 16:49:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2019-11-28 16:49:50,742 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2019-11-28 16:49:50,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:49:50,742 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2019-11-28 16:49:50,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:49:50,743 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2019-11-28 16:49:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 16:49:50,743 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:49:50,744 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:49:50,945 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:49:50,945 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:49:50,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:49:50,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2019-11-28 16:49:50,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:49:50,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [305243936] [2019-11-28 16:49:50,948 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 16:49:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:49:51,022 INFO L264 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 16:49:51,024 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:49:51,109 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 16:49:51,109 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:49:51,190 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 16:49:51,191 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [305243936] [2019-11-28 16:49:51,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:49:51,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-28 16:49:51,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809490617] [2019-11-28 16:49:51,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 16:49:51,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:49:51,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 16:49:51,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 16:49:51,194 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 8 states. [2019-11-28 16:49:51,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:49:51,596 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2019-11-28 16:49:51,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 16:49:51,597 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-28 16:49:51,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:49:51,598 INFO L225 Difference]: With dead ends: 37 [2019-11-28 16:49:51,598 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 16:49:51,600 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-28 16:49:51,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 16:49:51,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 16:49:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 16:49:51,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-28 16:49:51,605 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11 [2019-11-28 16:49:51,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:49:51,605 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-28 16:49:51,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 16:49:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-28 16:49:51,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-28 16:49:51,607 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:49:51,607 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:49:51,820 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 16:49:51,821 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:49:51,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:49:51,822 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2019-11-28 16:49:51,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:49:51,824 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521127735] [2019-11-28 16:49:51,825 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 16:49:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:49:52,006 INFO L264 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 16:49:52,008 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:49:52,095 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 16:49:52,095 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:49:52,776 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-28 16:49:52,956 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 16:49:52,956 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521127735] [2019-11-28 16:49:52,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:49:52,957 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-28 16:49:52,957 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194683491] [2019-11-28 16:49:52,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 16:49:52,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:49:52,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 16:49:52,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:49:52,959 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 6 states. [2019-11-28 16:49:53,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:49:53,335 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2019-11-28 16:49:53,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 16:49:53,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-11-28 16:49:53,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:49:53,344 INFO L225 Difference]: With dead ends: 23 [2019-11-28 16:49:53,344 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 16:49:53,345 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-28 16:49:53,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 16:49:53,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 16:49:53,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 16:49:53,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-28 16:49:53,349 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2019-11-28 16:49:53,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:49:53,349 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-28 16:49:53,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 16:49:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-28 16:49:53,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 16:49:53,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:49:53,350 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:49:53,561 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 16:49:53,562 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:49:53,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:49:53,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1568599403, now seen corresponding path program 1 times [2019-11-28 16:49:53,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:49:53,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007936089] [2019-11-28 16:49:53,565 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 16:49:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:49:53,741 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 16:49:53,743 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:49:53,802 INFO L377 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 45 treesize of output 39 [2019-11-28 16:49:53,818 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 16:49:53,822 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 16:49:53,822 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 16:49:53,831 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 16:49:53,832 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 16:49:53,832 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:50, output treesize:20 [2019-11-28 16:49:53,904 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 16:49:53,904 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:49:53,967 INFO L377 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 45 treesize of output 39 [2019-11-28 16:49:53,970 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-28 16:49:53,975 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 16:49:53,975 INFO L534 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-28 16:49:53,980 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-28 16:49:53,981 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-28 16:49:53,981 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2019-11-28 16:49:54,039 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 16:49:54,040 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007936089] [2019-11-28 16:49:54,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:49:54,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-28 16:49:54,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560856129] [2019-11-28 16:49:54,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-28 16:49:54,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:49:54,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-28 16:49:54,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-28 16:49:54,042 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 12 states. [2019-11-28 16:49:54,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:49:54,378 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-28 16:49:54,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 16:49:54,379 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2019-11-28 16:49:54,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:49:54,379 INFO L225 Difference]: With dead ends: 16 [2019-11-28 16:49:54,379 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 16:49:54,380 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-11-28 16:49:54,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 16:49:54,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 16:49:54,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 16:49:54,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 16:49:54,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-28 16:49:54,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:49:54,383 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 16:49:54,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-28 16:49:54,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 16:49:54,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 16:49:54,591 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-28 16:49:54,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 16:49:54,777 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-11-28 16:49:54,850 INFO L246 CegarLoopResult]: For program point L60(lines 60 72) no Hoare annotation was computed. [2019-11-28 16:49:54,850 INFO L246 CegarLoopResult]: For program point L52(lines 52 55) no Hoare annotation was computed. [2019-11-28 16:49:54,851 INFO L246 CegarLoopResult]: For program point L44(lines 44 49) no Hoare annotation was computed. [2019-11-28 16:49:54,851 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 16:49:54,851 INFO L246 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-11-28 16:49:54,851 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 16:49:54,851 INFO L246 CegarLoopResult]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2019-11-28 16:49:54,851 INFO L246 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-28 16:49:54,851 INFO L246 CegarLoopResult]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-28 16:49:54,852 INFO L246 CegarLoopResult]: For program point L95(lines 95 98) no Hoare annotation was computed. [2019-11-28 16:49:54,852 INFO L246 CegarLoopResult]: For program point L62(lines 62 69) no Hoare annotation was computed. [2019-11-28 16:49:54,852 INFO L246 CegarLoopResult]: For program point L29(lines 29 73) no Hoare annotation was computed. [2019-11-28 16:49:54,852 INFO L246 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2019-11-28 16:49:54,852 INFO L246 CegarLoopResult]: For program point L30(lines 30 50) no Hoare annotation was computed. [2019-11-28 16:49:54,852 INFO L246 CegarLoopResult]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2019-11-28 16:49:54,854 INFO L242 CegarLoopResult]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x (let ((.cse0 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))))) [2019-11-28 16:49:54,854 INFO L246 CegarLoopResult]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2019-11-28 16:49:54,855 INFO L242 CegarLoopResult]: At program point L80(lines 19 81) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (concat (_ bv2147483648 32) (_ bv0 32)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (and (= .cse0 |ULTIMATE.start_ceil_double_#res|) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) (= ULTIMATE.start_ceil_double_~i1~0 (_ bv0 32)) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))) (= (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) v_skolemized_v_prenex_1_3) (_ bv20 32))) (bvadd ULTIMATE.start_ceil_double_~j0~0 (_ bv1023 32))))) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start_ceil_double_~i0~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (fp.neg (_ +zero 11 53))))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_main_~x~0 (fp.neg (_ +zero 11 53))) (= ULTIMATE.start_ceil_double_~x .cse0))) [2019-11-28 16:49:54,855 INFO L246 CegarLoopResult]: For program point L31(lines 31 39) no Hoare annotation was computed. [2019-11-28 16:49:54,855 INFO L246 CegarLoopResult]: For program point L32(lines 32 38) no Hoare annotation was computed. [2019-11-28 16:49:54,855 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 16:49:54,856 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2019-11-28 16:49:54,856 INFO L246 CegarLoopResult]: For program point L74(lines 74 79) no Hoare annotation was computed. [2019-11-28 16:49:54,856 INFO L246 CegarLoopResult]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2019-11-28 16:49:54,856 INFO L246 CegarLoopResult]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-11-28 16:49:54,857 INFO L246 CegarLoopResult]: For program point L66(lines 66 67) no Hoare annotation was computed. [2019-11-28 16:49:54,857 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 16:49:54,857 INFO L246 CegarLoopResult]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-11-28 16:49:54,857 INFO L246 CegarLoopResult]: For program point L58(lines 58 59) no Hoare annotation was computed. [2019-11-28 16:49:54,857 INFO L246 CegarLoopResult]: For program point L42(lines 42 43) no Hoare annotation was computed. [2019-11-28 16:49:54,858 INFO L249 CegarLoopResult]: At program point L100(lines 83 101) the Hoare annotation is: true [2019-11-28 16:49:54,858 INFO L246 CegarLoopResult]: For program point L51(lines 51 73) no Hoare annotation was computed. [2019-11-28 16:49:54,858 INFO L246 CegarLoopResult]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-11-28 16:49:54,865 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:258) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:215) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 16:49:54,871 INFO L168 Benchmark]: Toolchain (without parser) took 6332.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 961.7 MB in the beginning and 935.6 MB in the end (delta: 26.1 MB). Peak memory consumption was 143.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:54,871 INFO L168 Benchmark]: CDTParser took 0.26 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 16:49:54,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:54,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.81 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 16:49:54,881 INFO L168 Benchmark]: Boogie Preprocessor took 40.29 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 16:49:54,883 INFO L168 Benchmark]: RCFGBuilder took 1356.52 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:54,884 INFO L168 Benchmark]: TraceAbstraction took 4426.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 935.6 MB in the end (delta: 144.2 MB). Peak memory consumption was 144.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:49:54,895 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 452.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.81 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 40.29 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. * RCFGBuilder took 1356.52 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4426.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 935.6 MB in the end (delta: 144.2 MB). Peak memory consumption was 144.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...