/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1052b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: 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 ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1052b_true-unreach-call.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 62b7dc6392161c86b172facfcbc82e25c42dc2f4 ................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: 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 ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1052b_true-unreach-call.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 62b7dc6392161c86b172facfcbc82e25c42dc2f4 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:02:34,649 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:02:34,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:02:34,665 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:02:34,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:02:34,667 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:02:34,668 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:02:34,670 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:02:34,672 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:02:34,673 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:02:34,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:02:34,674 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:02:34,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:02:34,677 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:02:34,678 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:02:34,679 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:02:34,680 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:02:34,682 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:02:34,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:02:34,686 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:02:34,688 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:02:34,689 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:02:34,693 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:02:34,695 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:02:34,696 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:02:34,697 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:02:34,698 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:02:34,704 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:02:34,705 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:02:34,707 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:02:34,708 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:02:34,709 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:02:34,710 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:02:34,710 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:02:34,711 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:02:34,712 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:02:34,712 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:02:34,728 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:02:34,728 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:02:34,729 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:02:34,730 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:02:34,730 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:02:34,731 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:02:34,731 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:02:34,731 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:02:34,731 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:02:34,731 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:02:34,732 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:02:34,732 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:02:34,732 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:02:34,732 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:02:34,732 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:02:34,734 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:02:34,734 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:02:34,734 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:02:34,735 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:02:34,735 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:02:34,735 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:02:34,735 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:02:34,735 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:02:34,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:02:34,736 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:02:34,736 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:02:34,736 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:02:34,736 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:02:34,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:02:34,737 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 62b7dc6392161c86b172facfcbc82e25c42dc2f4 [2018-09-20 15:02:34,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:02:34,832 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:02:34,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:02:34,841 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:02:34,841 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:02:34,842 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1052b_true-unreach-call.c [2018-09-20 15:02:35,214 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d280dde5/db71fa2986504716a3e03674b7b3acdd/FLAG386521c1c [2018-09-20 15:02:35,387 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:02:35,388 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1052b_true-unreach-call.c [2018-09-20 15:02:35,396 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d280dde5/db71fa2986504716a3e03674b7b3acdd/FLAG386521c1c [2018-09-20 15:02:35,414 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d280dde5/db71fa2986504716a3e03674b7b3acdd [2018-09-20 15:02:35,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:02:35,423 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:02:35,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:02:35,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:02:35,432 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:02:35,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:02:35" (1/1) ... [2018-09-20 15:02:35,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c686bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:35, skipping insertion in model container [2018-09-20 15:02:35,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:02:35" (1/1) ... [2018-09-20 15:02:35,449 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:02:35,710 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:02:35,727 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:02:35,752 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:02:35,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:35 WrapperNode [2018-09-20 15:02:35,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:02:35,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:02:35,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:02:35,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:02:35,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:35" (1/1) ... [2018-09-20 15:02:35,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:35" (1/1) ... [2018-09-20 15:02:35,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:35" (1/1) ... [2018-09-20 15:02:35,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:35" (1/1) ... [2018-09-20 15:02:35,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:35" (1/1) ... [2018-09-20 15:02:35,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:35" (1/1) ... [2018-09-20 15:02:35,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:35" (1/1) ... [2018-09-20 15:02:35,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:02:35,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:02:35,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:02:35,839 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:02:35,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:35" (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 [2018-09-20 15:02:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:02:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:02:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2018-09-20 15:02:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 15:02:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:02:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:02:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2018-09-20 15:02:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:02:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:02:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:02:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:02:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:02:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:02:36,009 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 15:02:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:02:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:02:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:02:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:02:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:02:36,849 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:02:36,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:02:36 BoogieIcfgContainer [2018-09-20 15:02:36,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:02:36,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:02:36,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:02:36,860 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:02:36,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:02:35" (1/3) ... [2018-09-20 15:02:36,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5514bd34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:02:36, skipping insertion in model container [2018-09-20 15:02:36,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:35" (2/3) ... [2018-09-20 15:02:36,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5514bd34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:02:36, skipping insertion in model container [2018-09-20 15:02:36,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:02:36" (3/3) ... [2018-09-20 15:02:36,867 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052b_true-unreach-call.c [2018-09-20 15:02:36,878 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:02:36,893 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:02:36,943 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:02:36,944 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:02:36,944 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:02:36,945 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:02:36,945 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:02:36,945 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:02:36,945 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:02:36,945 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:02:36,946 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:02:36,966 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2018-09-20 15:02:36,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-20 15:02:36,974 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:02:36,976 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:02:36,978 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:02:36,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1352860083, now seen corresponding path program 1 times [2018-09-20 15:02:36,987 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:02:36,988 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:02:37,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:02:37,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:02:37,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:02:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:02:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:02:37,154 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:02:37,155 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:02:37,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:02:37,176 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:02:37,177 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:02:37,180 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 2 states. [2018-09-20 15:02:37,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:02:37,215 INFO L93 Difference]: Finished difference Result 160 states and 203 transitions. [2018-09-20 15:02:37,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:02:37,217 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-09-20 15:02:37,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:02:37,229 INFO L225 Difference]: With dead ends: 160 [2018-09-20 15:02:37,229 INFO L226 Difference]: Without dead ends: 80 [2018-09-20 15:02:37,234 INFO L606 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 [2018-09-20 15:02:37,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-20 15:02:37,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-09-20 15:02:37,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-20 15:02:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2018-09-20 15:02:37,284 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 25 [2018-09-20 15:02:37,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:02:37,285 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2018-09-20 15:02:37,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:02:37,285 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2018-09-20 15:02:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-20 15:02:37,288 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:02:37,288 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:02:37,288 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:02:37,289 INFO L82 PathProgramCache]: Analyzing trace with hash -91744177, now seen corresponding path program 1 times [2018-09-20 15:02:37,289 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:02:37,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:02:37,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:02:37,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:02:37,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:02:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:02:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:02:37,589 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:02:37,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:02:37 BoogieIcfgContainer [2018-09-20 15:02:37,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:02:37,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:02:37,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:02:37,645 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:02:37,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:02:36" (3/4) ... [2018-09-20 15:02:37,659 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:02:37,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:02:37,661 INFO L168 Benchmark]: Toolchain (without parser) took 2240.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:02:37,663 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:02:37,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.82 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:02:37,665 INFO L168 Benchmark]: Boogie Preprocessor took 55.39 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:02:37,667 INFO L168 Benchmark]: RCFGBuilder took 1014.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:02:37,670 INFO L168 Benchmark]: TraceAbstraction took 790.26 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:02:37,671 INFO L168 Benchmark]: Witness Printer took 14.90 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. [2018-09-20 15:02:37,676 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.82 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.39 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1014.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 790.26 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Witness Printer took 14.90 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: 106]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 37, overapproximation of bitwiseOr at line 89, overapproximation of someBinaryArithmeticDOUBLEoperation at line 101, overapproximation of bitwiseAnd at line 88. Possible FailurePath: [L14] static const double huge_floor = 1.0e300; VAL [\old(huge_floor)=10737418245, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L101] double x = -1.0 / 0.0; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L102] CALL, EXPR floor_double(x) VAL [\old(x)=10737418249, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L17] __int32_t i0, i1, j0; [L18] __uint32_t i, j; VAL [\old(x)=10737418249, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418249] [L20] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418249, ew_u={10737418246:0}, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418249] [L21] FCALL ew_u.value = (x) VAL [\old(x)=10737418249, ew_u={10737418246:0}, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418249] [L22] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418249, ew_u={10737418246:0}, ew_u.parts.msw=3, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418249] [L22] (i0) = ew_u.parts.msw VAL [\old(x)=10737418249, ew_u={10737418246:0}, ew_u.parts.msw=3, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=3, x=10737418249] [L22] FCALL (i0) = ew_u.parts.msw VAL [(i0) = ew_u.parts.msw=10737418248, \old(x)=10737418249, ew_u={10737418246:0}, ew_u.parts.msw=3, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=3, x=10737418249] [L23] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418249, ew_u={10737418246:0}, ew_u.parts.lsw=6442450944, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=3, x=10737418249] [L23] (i1) = ew_u.parts.lsw VAL [\old(x)=10737418249, ew_u={10737418246:0}, ew_u.parts.lsw=6442450944, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=3, i1=-2147483648, x=10737418249] [L23] FCALL (i1) = ew_u.parts.lsw VAL [(i1) = ew_u.parts.lsw=10737418249, \old(x)=10737418249, ew_u={10737418246:0}, ew_u.parts.lsw=6442450944, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=3, i1=-2147483648, x=10737418249] [L24] COND FALSE !(0) VAL [\old(x)=10737418249, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=3, i1=-2147483648, x=10737418249] [L25] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=10737418249, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=3, i1=-2147483648, x=10737418249] [L26] COND TRUE j0 < 20 VAL [\old(x)=10737418249, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=3, i1=-2147483648, j0=0, x=10737418249] [L27] COND FALSE !(j0 < 0) [L37] i = (0x000fffff) >> j0 VAL [\old(x)=10737418249, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=3, i1=-2147483648, j0=0, x=10737418249] [L38] COND TRUE ((i0 & i) | i1) == 0 [L39] RET return x; VAL [\old(x)=10737418249, \result=10737418249, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=3, i1=-2147483648, j0=0, x=10737418249] [L102] EXPR floor_double(x) VAL [floor_double(x)=10737418249, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418249] [L102] double res = floor_double(x); [L105] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418249, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L81] __int32_t hx, lx; VAL [\old(x)=10737418249, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418249] [L83] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418249, ew_u={10737418242:0}, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418249] [L84] FCALL ew_u.value = (x) VAL [\old(x)=10737418249, ew_u={10737418242:0}, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418249] [L85] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418249, ew_u={10737418242:0}, ew_u.parts.msw=10737418240, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418249] [L85] (hx) = ew_u.parts.msw VAL [\old(x)=10737418249, ew_u={10737418242:0}, ew_u.parts.msw=10737418240, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, x=10737418249] [L85] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=10737418244, \old(x)=10737418249, ew_u={10737418242:0}, ew_u.parts.msw=10737418240, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, x=10737418249] [L86] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418249, ew_u={10737418242:0}, ew_u.parts.lsw=6442450943, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, x=10737418249] [L86] (lx) = ew_u.parts.lsw VAL [\old(x)=10737418249, ew_u={10737418242:0}, ew_u.parts.lsw=6442450943, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, lx=2147483647, x=10737418249] [L86] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=10737418243, \old(x)=10737418249, ew_u={10737418242:0}, ew_u.parts.lsw=6442450943, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, lx=2147483647, x=10737418249] [L87] COND FALSE !(0) VAL [\old(x)=10737418249, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, lx=2147483647, x=10737418249] [L88] hx &= 0x7fffffff [L89] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L90] hx = 0x7ff00000 - hx [L91] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418249, \result=0, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435072, lx=2147483647, x=10737418249] [L105] EXPR isinf_double(res) VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isinf_double(res)=0, res=10737418249, x=10737418249] [L105] COND TRUE !isinf_double(res) [L106] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=10737418249, x=10737418249] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 84 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 98 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=84occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-40ef509 [2018-09-20 15:02:40,191 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:02:40,193 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:02:40,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:02:40,206 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:02:40,208 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:02:40,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:02:40,211 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:02:40,213 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:02:40,214 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:02:40,215 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:02:40,215 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:02:40,216 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:02:40,217 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:02:40,219 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:02:40,220 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:02:40,220 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:02:40,224 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:02:40,227 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:02:40,232 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:02:40,233 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:02:40,236 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:02:40,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:02:40,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:02:40,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:02:40,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:02:40,245 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:02:40,248 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:02:40,249 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:02:40,250 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:02:40,250 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:02:40,251 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:02:40,251 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:02:40,251 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:02:40,254 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:02:40,256 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:02:40,256 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:02:40,288 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:02:40,288 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:02:40,289 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:02:40,289 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:02:40,290 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:02:40,291 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:02:40,291 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:02:40,291 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:02:40,291 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:02:40,291 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:02:40,292 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:02:40,292 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:02:40,292 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:02:40,292 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:02:40,292 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:02:40,294 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:02:40,294 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:02:40,294 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:02:40,294 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:02:40,294 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:02:40,294 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:02:40,295 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:02:40,295 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:02:40,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:02:40,295 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:02:40,297 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:02:40,297 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:02:40,297 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:02:40,297 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:02:40,298 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:02:40,298 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:02:40,298 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 62b7dc6392161c86b172facfcbc82e25c42dc2f4 [2018-09-20 15:02:40,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:02:40,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:02:40,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:02:40,391 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:02:40,391 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:02:40,392 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1052b_true-unreach-call.c [2018-09-20 15:02:40,795 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058e33710/ad898d05069b4102ab41005ecf466132/FLAG7b3384e3f [2018-09-20 15:02:40,972 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:02:40,973 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1052b_true-unreach-call.c [2018-09-20 15:02:40,984 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058e33710/ad898d05069b4102ab41005ecf466132/FLAG7b3384e3f [2018-09-20 15:02:41,009 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058e33710/ad898d05069b4102ab41005ecf466132 [2018-09-20 15:02:41,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:02:41,021 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:02:41,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:02:41,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:02:41,033 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:02:41,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:02:41" (1/1) ... [2018-09-20 15:02:41,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a506fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:41, skipping insertion in model container [2018-09-20 15:02:41,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:02:41" (1/1) ... [2018-09-20 15:02:41,053 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:02:41,320 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:02:41,339 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:02:41,371 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:02:41,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:41 WrapperNode [2018-09-20 15:02:41,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:02:41,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:02:41,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:02:41,421 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:02:41,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:41" (1/1) ... [2018-09-20 15:02:41,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:41" (1/1) ... [2018-09-20 15:02:41,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:41" (1/1) ... [2018-09-20 15:02:41,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:41" (1/1) ... [2018-09-20 15:02:41,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:41" (1/1) ... [2018-09-20 15:02:41,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:41" (1/1) ... [2018-09-20 15:02:41,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:41" (1/1) ... [2018-09-20 15:02:41,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:02:41,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:02:41,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:02:41,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:02:41,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:41" (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 [2018-09-20 15:02:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:02:41,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:02:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2018-09-20 15:02:41,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 15:02:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:02:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:02:41,662 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2018-09-20 15:02:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:02:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 15:02:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:02:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:02:41,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:02:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 15:02:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 15:02:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:02:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:02:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:02:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 15:02:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:02:41,867 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:02:41,919 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:02:41,982 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:02:42,497 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:02:42,512 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:02:42,531 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:02:43,730 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:02:43,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:02:43 BoogieIcfgContainer [2018-09-20 15:02:43,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:02:43,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:02:43,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:02:43,737 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:02:43,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:02:41" (1/3) ... [2018-09-20 15:02:43,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdef830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:02:43, skipping insertion in model container [2018-09-20 15:02:43,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:02:41" (2/3) ... [2018-09-20 15:02:43,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdef830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:02:43, skipping insertion in model container [2018-09-20 15:02:43,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:02:43" (3/3) ... [2018-09-20 15:02:43,743 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052b_true-unreach-call.c [2018-09-20 15:02:43,751 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:02:43,758 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:02:43,803 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:02:43,804 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:02:43,804 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:02:43,805 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:02:43,805 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:02:43,805 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:02:43,805 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:02:43,805 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:02:43,806 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:02:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2018-09-20 15:02:43,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-20 15:02:43,835 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:02:43,836 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:02:43,838 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:02:43,843 INFO L82 PathProgramCache]: Analyzing trace with hash 581408791, now seen corresponding path program 1 times [2018-09-20 15:02:43,847 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:02:43,848 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-20 15:02:43,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:02:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:02:43,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:02:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:02:43,962 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:02:43,982 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:02:43,983 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:02:43,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:02:44,006 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:02:44,007 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:02:44,011 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2018-09-20 15:02:44,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:02:44,054 INFO L93 Difference]: Finished difference Result 158 states and 201 transitions. [2018-09-20 15:02:44,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:02:44,056 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-09-20 15:02:44,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:02:44,081 INFO L225 Difference]: With dead ends: 158 [2018-09-20 15:02:44,083 INFO L226 Difference]: Without dead ends: 79 [2018-09-20 15:02:44,089 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:02:44,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-09-20 15:02:44,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-09-20 15:02:44,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-09-20 15:02:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 93 transitions. [2018-09-20 15:02:44,145 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 93 transitions. Word has length 24 [2018-09-20 15:02:44,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:02:44,145 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 93 transitions. [2018-09-20 15:02:44,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:02:44,146 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2018-09-20 15:02:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-20 15:02:44,149 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:02:44,149 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:02:44,149 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:02:44,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1677043250, now seen corresponding path program 1 times [2018-09-20 15:02:44,152 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:02:44,152 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-20 15:02:44,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:02:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:02:44,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:02:44,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 14 treesize of output 11 [2018-09-20 15:02:44,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 15:02:44,407 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:02:44,412 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:02:44,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:02:44,431 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 15:02:44,485 INFO L477 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 20 treesize of output 16 [2018-09-20 15:02:44,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 15:02:44,503 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:02:44,525 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:02:44,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:02:44,537 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 15:02:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:02:45,157 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:02:45,176 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:02:45,176 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:02:45,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:02:45,182 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:02:45,183 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:02:45,183 INFO L87 Difference]: Start difference. First operand 79 states and 93 transitions. Second operand 9 states. [2018-09-20 15:02:46,643 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-20 15:02:52,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:02:52,433 INFO L93 Difference]: Finished difference Result 154 states and 167 transitions. [2018-09-20 15:02:52,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-20 15:02:52,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2018-09-20 15:02:52,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:02:52,442 INFO L225 Difference]: With dead ends: 154 [2018-09-20 15:02:52,442 INFO L226 Difference]: Without dead ends: 90 [2018-09-20 15:02:52,445 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2018-09-20 15:02:52,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-09-20 15:02:52,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 71. [2018-09-20 15:02:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-09-20 15:02:52,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 77 transitions. [2018-09-20 15:02:52,457 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 77 transitions. Word has length 50 [2018-09-20 15:02:52,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:02:52,458 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 77 transitions. [2018-09-20 15:02:52,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:02:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions. [2018-09-20 15:02:52,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-20 15:02:52,464 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:02:52,464 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:02:52,465 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:02:52,465 INFO L82 PathProgramCache]: Analyzing trace with hash 382015451, now seen corresponding path program 1 times [2018-09-20 15:02:52,466 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:02:52,466 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-20 15:02:52,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:02:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:02:52,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:02:53,856 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:02:53,856 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:02:53,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 27 treesize of output 35 [2018-09-20 15:02:53,908 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:02:53,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-20 15:02:53,929 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:02:53,974 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:02:53,996 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:02:53,996 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-20 15:02:54,717 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:02:54,718 INFO L682 Elim1Store]: detected equality via solver [2018-09-20 15:02:54,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 54 treesize of output 56 [2018-09-20 15:02:54,731 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:02:54,754 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2018-09-20 15:02:54,755 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:02:54,789 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:02:54,844 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 15:02:54,845 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-20 15:02:55,146 INFO L477 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 35 treesize of output 27 [2018-09-20 15:02:55,157 INFO L700 Elim1Store]: detected not equals via solver [2018-09-20 15:02:55,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-09-20 15:02:55,162 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:02:55,175 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:02:55,204 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:02:55,205 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-20 15:02:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:02:56,406 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:02:56,422 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:02:56,422 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-20 15:02:56,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-20 15:02:56,423 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-20 15:02:56,425 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-09-20 15:02:56,425 INFO L87 Difference]: Start difference. First operand 71 states and 77 transitions. Second operand 15 states. [2018-09-20 15:02:58,977 WARN L178 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-20 15:03:05,534 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-20 15:03:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:03:08,749 INFO L93 Difference]: Finished difference Result 80 states and 86 transitions. [2018-09-20 15:03:08,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-09-20 15:03:08,750 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 50 [2018-09-20 15:03:08,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:03:08,752 INFO L225 Difference]: With dead ends: 80 [2018-09-20 15:03:08,752 INFO L226 Difference]: Without dead ends: 73 [2018-09-20 15:03:08,753 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=109, Invalid=647, Unknown=0, NotChecked=0, Total=756 [2018-09-20 15:03:08,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-09-20 15:03:08,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-09-20 15:03:08,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-09-20 15:03:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2018-09-20 15:03:08,764 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 76 transitions. Word has length 50 [2018-09-20 15:03:08,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:03:08,766 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 76 transitions. [2018-09-20 15:03:08,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-20 15:03:08,767 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions. [2018-09-20 15:03:08,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-20 15:03:08,768 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:03:08,769 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 15:03:08,769 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:03:08,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1695193892, now seen corresponding path program 1 times [2018-09-20 15:03:08,770 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:03:08,770 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-20 15:03:08,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:03:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:03:08,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:03:08,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 14 treesize of output 11 [2018-09-20 15:03:08,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 15:03:08,914 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:03:08,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:03:08,955 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:03:08,956 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 15:03:08,996 INFO L477 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 20 treesize of output 16 [2018-09-20 15:03:09,002 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 15:03:09,003 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 15:03:09,007 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 15:03:09,020 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 15:03:09,021 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 15:03:09,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 15:03:09,255 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:03:09,274 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:03:09,274 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 15:03:09,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 15:03:09,275 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 15:03:09,275 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 15:03:09,275 INFO L87 Difference]: Start difference. First operand 71 states and 76 transitions. Second operand 9 states. [2018-09-20 15:03:11,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:03:11,952 INFO L93 Difference]: Finished difference Result 90 states and 95 transitions. [2018-09-20 15:03:11,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-20 15:03:11,953 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2018-09-20 15:03:11,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:03:11,954 INFO L225 Difference]: With dead ends: 90 [2018-09-20 15:03:11,954 INFO L226 Difference]: Without dead ends: 0 [2018-09-20 15:03:11,955 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-09-20 15:03:11,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-20 15:03:11,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-20 15:03:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-20 15:03:11,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-20 15:03:11,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2018-09-20 15:03:11,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:03:11,957 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-20 15:03:11,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 15:03:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-20 15:03:11,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-20 15:03:11,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-20 15:03:12,240 INFO L426 ceAbstractionStarter]: For program point L27(lines 27 46) no Hoare annotation was computed. [2018-09-20 15:03:12,241 INFO L426 ceAbstractionStarter]: For program point L19-1(lines 19 24) no Hoare annotation was computed. [2018-09-20 15:03:12,241 INFO L422 ceAbstractionStarter]: At program point L19-3(lines 19 24) the Hoare annotation is: (= floor_double_~x |floor_double_#in~x|) [2018-09-20 15:03:12,241 INFO L426 ceAbstractionStarter]: For program point L19-4(lines 19 24) no Hoare annotation was computed. [2018-09-20 15:03:12,241 INFO L426 ceAbstractionStarter]: For program point floor_doubleFINAL(lines 16 77) no Hoare annotation was computed. [2018-09-20 15:03:12,242 INFO L426 ceAbstractionStarter]: For program point L28(lines 28 35) no Hoare annotation was computed. [2018-09-20 15:03:12,242 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-20 15:03:12,242 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-20 15:03:12,242 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-20 15:03:12,242 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-20 15:03:12,242 INFO L429 ceAbstractionStarter]: At program point floor_doubleENTRY(lines 16 77) the Hoare annotation is: true [2018-09-20 15:03:12,243 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 75) no Hoare annotation was computed. [2018-09-20 15:03:12,243 INFO L426 ceAbstractionStarter]: For program point L70-2(lines 16 77) no Hoare annotation was computed. [2018-09-20 15:03:12,243 INFO L426 ceAbstractionStarter]: For program point L70-3(lines 70 75) no Hoare annotation was computed. [2018-09-20 15:03:12,243 INFO L426 ceAbstractionStarter]: For program point L62(lines 62 63) no Hoare annotation was computed. [2018-09-20 15:03:12,243 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 34) no Hoare annotation was computed. [2018-09-20 15:03:12,243 INFO L426 ceAbstractionStarter]: For program point L62-2(lines 62 63) no Hoare annotation was computed. [2018-09-20 15:03:12,243 INFO L426 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-09-20 15:03:12,244 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-20 15:03:12,244 INFO L426 ceAbstractionStarter]: For program point L71(line 71) no Hoare annotation was computed. [2018-09-20 15:03:12,244 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-09-20 15:03:12,244 INFO L426 ceAbstractionStarter]: For program point L71-1(line 71) no Hoare annotation was computed. [2018-09-20 15:03:12,244 INFO L426 ceAbstractionStarter]: For program point L71-2(line 71) no Hoare annotation was computed. [2018-09-20 15:03:12,244 INFO L426 ceAbstractionStarter]: For program point L71-3(line 71) no Hoare annotation was computed. [2018-09-20 15:03:12,244 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-20 15:03:12,244 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-20 15:03:12,244 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-20 15:03:12,245 INFO L426 ceAbstractionStarter]: For program point L47(lines 47 69) no Hoare annotation was computed. [2018-09-20 15:03:12,245 INFO L426 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-09-20 15:03:12,245 INFO L426 ceAbstractionStarter]: For program point L31(lines 31 34) no Hoare annotation was computed. [2018-09-20 15:03:12,245 INFO L426 ceAbstractionStarter]: For program point L56(lines 56 68) no Hoare annotation was computed. [2018-09-20 15:03:12,245 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-20 15:03:12,245 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-20 15:03:12,245 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-20 15:03:12,245 INFO L426 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-09-20 15:03:12,245 INFO L426 ceAbstractionStarter]: For program point L48(lines 48 51) no Hoare annotation was computed. [2018-09-20 15:03:12,246 INFO L426 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-09-20 15:03:12,246 INFO L426 ceAbstractionStarter]: For program point L40(lines 40 45) no Hoare annotation was computed. [2018-09-20 15:03:12,246 INFO L426 ceAbstractionStarter]: For program point L57(lines 57 66) no Hoare annotation was computed. [2018-09-20 15:03:12,246 INFO L426 ceAbstractionStarter]: For program point L57-1(lines 57 66) no Hoare annotation was computed. [2018-09-20 15:03:12,246 INFO L426 ceAbstractionStarter]: For program point floor_doubleEXIT(lines 16 77) no Hoare annotation was computed. [2018-09-20 15:03:12,246 INFO L426 ceAbstractionStarter]: For program point L74(line 74) no Hoare annotation was computed. [2018-09-20 15:03:12,246 INFO L426 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-09-20 15:03:12,246 INFO L426 ceAbstractionStarter]: For program point L74-1(line 74) no Hoare annotation was computed. [2018-09-20 15:03:12,246 INFO L426 ceAbstractionStarter]: For program point L74-2(line 74) no Hoare annotation was computed. [2018-09-20 15:03:12,246 INFO L426 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2018-09-20 15:03:12,247 INFO L426 ceAbstractionStarter]: For program point L74-3(line 74) no Hoare annotation was computed. [2018-09-20 15:03:12,247 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 65) no Hoare annotation was computed. [2018-09-20 15:03:12,247 INFO L426 ceAbstractionStarter]: For program point L26(lines 26 69) no Hoare annotation was computed. [2018-09-20 15:03:12,247 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:03:12,247 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:03:12,247 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:03:12,247 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-20 15:03:12,247 INFO L426 ceAbstractionStarter]: For program point L85-1(line 85) no Hoare annotation was computed. [2018-09-20 15:03:12,248 INFO L426 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2018-09-20 15:03:12,248 INFO L426 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-09-20 15:03:12,248 INFO L426 ceAbstractionStarter]: For program point L83-1(line 83) no Hoare annotation was computed. [2018-09-20 15:03:12,248 INFO L426 ceAbstractionStarter]: For program point L83-2(line 83) no Hoare annotation was computed. [2018-09-20 15:03:12,248 INFO L426 ceAbstractionStarter]: For program point L83-3(line 83) no Hoare annotation was computed. [2018-09-20 15:03:12,248 INFO L426 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-09-20 15:03:12,248 INFO L426 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-09-20 15:03:12,248 INFO L426 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-09-20 15:03:12,248 INFO L426 ceAbstractionStarter]: For program point L86-2(line 86) no Hoare annotation was computed. [2018-09-20 15:03:12,249 INFO L426 ceAbstractionStarter]: For program point L86-3(line 86) no Hoare annotation was computed. [2018-09-20 15:03:12,249 INFO L426 ceAbstractionStarter]: For program point L82-1(lines 82 87) no Hoare annotation was computed. [2018-09-20 15:03:12,249 INFO L426 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 80 92) no Hoare annotation was computed. [2018-09-20 15:03:12,249 INFO L422 ceAbstractionStarter]: At program point L82-3(lines 82 87) the Hoare annotation is: (= isinf_double_~x |isinf_double_#in~x|) [2018-09-20 15:03:12,249 INFO L426 ceAbstractionStarter]: For program point L82-4(lines 82 87) no Hoare annotation was computed. [2018-09-20 15:03:12,249 INFO L426 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 80 92) no Hoare annotation was computed. [2018-09-20 15:03:12,249 INFO L429 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 80 92) the Hoare annotation is: true [2018-09-20 15:03:12,249 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-20 15:03:12,249 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-20 15:03:12,249 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-20 15:03:12,250 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-20 15:03:12,250 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 94 111) the Hoare annotation is: true [2018-09-20 15:03:12,250 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 94 111) no Hoare annotation was computed. [2018-09-20 15:03:12,250 INFO L426 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-09-20 15:03:12,250 INFO L422 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (fp.div RNE (fp.neg ((_ to_fp 11 53) RNE 1.0)) (_ +zero 11 53)))) (and (= .cse0 main_~x~0) (= (fp.add RNE .cse0 .cse0) main_~res~0))) [2018-09-20 15:03:12,250 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 94 111) no Hoare annotation was computed. [2018-09-20 15:03:12,250 INFO L426 ceAbstractionStarter]: For program point L105-1(lines 105 108) no Hoare annotation was computed. [2018-09-20 15:03:12,251 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-09-20 15:03:12,251 INFO L422 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (= (fp.div RNE (fp.neg ((_ to_fp 11 53) RNE 1.0)) (_ +zero 11 53)) main_~x~0) [2018-09-20 15:03:12,251 INFO L426 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-09-20 15:03:12,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:03:12 BoogieIcfgContainer [2018-09-20 15:03:12,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:03:12,264 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:03:12,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:03:12,264 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:03:12,265 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:02:43" (3/4) ... [2018-09-20 15:03:12,268 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-20 15:03:12,274 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure floor_double [2018-09-20 15:03:12,274 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-20 15:03:12,274 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-09-20 15:03:12,275 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-20 15:03:12,282 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-09-20 15:03:12,282 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-09-20 15:03:12,282 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-20 15:03:12,312 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-09-20 15:03:12,313 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-09-20 15:03:12,355 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:03:12,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:03:12,357 INFO L168 Benchmark]: Toolchain (without parser) took 31342.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -147.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:03:12,360 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:03:12,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.00 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 938.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:03:12,361 INFO L168 Benchmark]: Boogie Preprocessor took 91.72 ms. Allocated memory is still 1.0 GB. Free memory was 938.4 MB in the beginning and 937.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:03:12,362 INFO L168 Benchmark]: RCFGBuilder took 2219.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 937.1 MB in the beginning and 1.0 GB in the end (delta: -108.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:03:12,363 INFO L168 Benchmark]: TraceAbstraction took 28530.88 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -64.2 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:03:12,363 INFO L168 Benchmark]: Witness Printer took 92.44 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:03:12,375 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.00 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 938.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.72 ms. Allocated memory is still 1.0 GB. Free memory was 938.4 MB in the beginning and 937.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2219.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 937.1 MB in the beginning and 1.0 GB in the end (delta: -108.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28530.88 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -64.2 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Witness Printer took 92.44 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 83 locations, 1 error locations. SAFE Result, 28.4s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 22.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 245 SDtfs, 452 SDslu, 1119 SDs, 0 SdLazy, 604 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 16 PreInvPairs, 19 NumberOfFragments, 49 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 170 ConstructedInterpolants, 49 QuantifiedInterpolants, 63592 SizeOfPredicates, 27 NumberOfNonLiveVariables, 368 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...