/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1381_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_1381_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 2bc8c80c384a4274b675284a80df6aca0c2712a9 ..................................................................................................................................................................................................................................................................................................................... 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_1381_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 2bc8c80c384a4274b675284a80df6aca0c2712a9 ................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 15:07:39,587 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:07:39,589 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:07:39,602 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:07:39,602 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:07:39,603 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:07:39,605 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:07:39,607 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:07:39,608 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:07:39,609 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:07:39,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:07:39,611 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:07:39,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:07:39,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:07:39,615 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:07:39,616 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:07:39,617 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:07:39,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:07:39,622 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:07:39,624 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:07:39,625 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:07:39,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:07:39,630 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:07:39,630 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:07:39,630 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:07:39,632 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:07:39,633 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:07:39,634 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:07:39,635 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:07:39,637 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:07:39,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:07:39,638 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:07:39,638 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:07:39,638 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:07:39,640 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:07:39,641 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:07:39,641 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 15:07:39,658 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:07:39,658 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:07:39,659 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:07:39,659 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:07:39,660 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:07:39,660 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:07:39,661 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:07:39,661 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:07:39,661 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:07:39,661 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 15:07:39,662 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:07:39,662 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:07:39,662 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:07:39,662 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:07:39,662 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:07:39,664 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:07:39,664 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:07:39,664 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:07:39,664 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:07:39,664 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:07:39,664 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:07:39,665 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:07:39,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:07:39,665 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:07:39,665 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:07:39,665 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:07:39,665 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 15:07:39,666 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:07:39,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 15:07:39,666 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 -> 2bc8c80c384a4274b675284a80df6aca0c2712a9 [2018-09-20 15:07:39,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:07:39,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:07:39,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:07:39,752 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:07:39,752 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:07:39,753 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1381_true-unreach-call.c [2018-09-20 15:07:40,111 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af718aa08/efbc6b619adc4e4c98f4e8fc2a65205b/FLAG9b701e352 [2018-09-20 15:07:40,277 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:07:40,278 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1381_true-unreach-call.c [2018-09-20 15:07:40,287 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af718aa08/efbc6b619adc4e4c98f4e8fc2a65205b/FLAG9b701e352 [2018-09-20 15:07:40,318 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af718aa08/efbc6b619adc4e4c98f4e8fc2a65205b [2018-09-20 15:07:40,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:07:40,327 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:07:40,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:07:40,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:07:40,338 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:07:40,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:07:40" (1/1) ... [2018-09-20 15:07:40,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df33eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:40, skipping insertion in model container [2018-09-20 15:07:40,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:07:40" (1/1) ... [2018-09-20 15:07:40,357 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:07:40,634 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:07:40,652 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:07:40,665 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:07:40,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:40 WrapperNode [2018-09-20 15:07:40,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:07:40,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:07:40,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:07:40,712 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:07:40,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:40" (1/1) ... [2018-09-20 15:07:40,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:40" (1/1) ... [2018-09-20 15:07:40,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:40" (1/1) ... [2018-09-20 15:07:40,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:40" (1/1) ... [2018-09-20 15:07:40,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:40" (1/1) ... [2018-09-20 15:07:40,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:40" (1/1) ... [2018-09-20 15:07:40,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:40" (1/1) ... [2018-09-20 15:07:40,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:07:40,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:07:40,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:07:40,761 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:07:40,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:40" (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 15:07:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:07:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:07:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 15:07:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-09-20 15:07:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:07:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:07:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 15:07:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 15:07:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-09-20 15:07:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:07:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-20 15:07:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-20 15:07:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:07:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-20 15:07:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-20 15:07:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:07:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:07:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:07:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-20 15:07:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-20 15:07:41,556 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:07:41,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:07:41 BoogieIcfgContainer [2018-09-20 15:07:41,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:07:41,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:07:41,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:07:41,562 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:07:41,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:07:40" (1/3) ... [2018-09-20 15:07:41,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd50c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:07:41, skipping insertion in model container [2018-09-20 15:07:41,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:40" (2/3) ... [2018-09-20 15:07:41,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd50c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:07:41, skipping insertion in model container [2018-09-20 15:07:41,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:07:41" (3/3) ... [2018-09-20 15:07:41,566 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1381_true-unreach-call.c [2018-09-20 15:07:41,576 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:07:41,586 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:07:41,640 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:07:41,641 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:07:41,641 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:07:41,641 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:07:41,641 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:07:41,642 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:07:41,642 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:07:41,642 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:07:41,642 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:07:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-09-20 15:07:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 15:07:41,675 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:07:41,676 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] [2018-09-20 15:07:41,679 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:07:41,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1994558787, now seen corresponding path program 1 times [2018-09-20 15:07:41,690 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:07:41,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:07:41,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:07:41,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:07:41,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:07:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:07:41,838 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 15:07:41,841 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:07:41,841 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:07:41,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:07:41,860 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:07:41,861 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:07:41,864 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2018-09-20 15:07:41,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:07:41,888 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2018-09-20 15:07:41,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:07:41,889 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 15:07:41,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:07:41,901 INFO L225 Difference]: With dead ends: 104 [2018-09-20 15:07:41,901 INFO L226 Difference]: Without dead ends: 52 [2018-09-20 15:07:41,905 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 15:07:41,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-09-20 15:07:41,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-09-20 15:07:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-09-20 15:07:41,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 51 transitions. [2018-09-20 15:07:41,947 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 51 transitions. Word has length 22 [2018-09-20 15:07:41,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:07:41,947 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 51 transitions. [2018-09-20 15:07:41,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:07:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 51 transitions. [2018-09-20 15:07:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-20 15:07:41,949 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:07:41,950 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 15:07:41,950 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:07:41,950 INFO L82 PathProgramCache]: Analyzing trace with hash 177800872, now seen corresponding path program 1 times [2018-09-20 15:07:41,951 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-20 15:07:41,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-20 15:07:41,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:07:41,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:07:41,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-20 15:07:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:07:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:07:42,149 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:07:42,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:07:42 BoogieIcfgContainer [2018-09-20 15:07:42,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:07:42,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:07:42,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:07:42,191 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:07:42,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:07:41" (3/4) ... [2018-09-20 15:07:42,196 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-20 15:07:42,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:07:42,197 INFO L168 Benchmark]: Toolchain (without parser) took 1873.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:07:42,200 INFO L168 Benchmark]: CDTParser took 0.20 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 15:07:42,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.28 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 15:07:42,201 INFO L168 Benchmark]: Boogie Preprocessor took 51.94 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 15:07:42,202 INFO L168 Benchmark]: RCFGBuilder took 796.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-09-20 15:07:42,203 INFO L168 Benchmark]: TraceAbstraction took 632.08 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:07:42,204 INFO L168 Benchmark]: Witness Printer took 5.41 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 15:07:42,209 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 378.28 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 51.94 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 796.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 632.08 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.41 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: 53]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of bitwiseOr at line 33, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47. Possible FailurePath: [L47] double x = 0.0 / 0.0; [L48] double y = __VERIFIER_nondet_double(); [L49] CALL, EXPR copysign_double(x, y) VAL [\old(x)=18, \old(y)=19] [L19] __uint32_t hx, hy; VAL [\old(x)=18, \old(y)=19, x=18, y=19] [L21] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=18, \old(y)=19, gh_u={21:0}, x=18, y=19] [L22] FCALL gh_u.value = (x) VAL [\old(x)=18, \old(y)=19, gh_u={21:0}, x=18, y=19] [L23] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=18, \old(y)=19, gh_u={21:0}, gh_u.parts.msw=20, x=18, y=19] [L23] (hx) = gh_u.parts.msw VAL [\old(x)=18, \old(y)=19, gh_u={21:0}, gh_u.parts.msw=20, hx=20, x=18, y=19] [L23] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=9, \old(x)=18, \old(y)=19, gh_u={21:0}, gh_u.parts.msw=20, hx=20, x=18, y=19] [L24] COND FALSE !(0) VAL [\old(x)=18, \old(y)=19, hx=20, x=18, y=19] [L26] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=18, \old(y)=19, gh_u={17:0}, hx=20, x=18, y=19] [L27] FCALL gh_u.value = (y) VAL [\old(x)=18, \old(y)=19, gh_u={17:0}, hx=20, x=18, y=19] [L28] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=18, \old(y)=19, gh_u={17:0}, gh_u.parts.msw=13, hx=20, x=18, y=19] [L28] (hy) = gh_u.parts.msw VAL [\old(x)=18, \old(y)=19, gh_u={17:0}, gh_u.parts.msw=13, hx=20, hy=13, x=18, y=19] [L28] FCALL (hy) = gh_u.parts.msw VAL [(hy) = gh_u.parts.msw=12, \old(x)=18, \old(y)=19, gh_u={17:0}, gh_u.parts.msw=13, hx=20, hy=13, x=18, y=19] [L29] COND FALSE !(0) VAL [\old(x)=18, \old(y)=19, hx=20, hy=13, x=18, y=19] [L31] FCALL ieee_double_shape_type sh_u; VAL [\old(x)=18, \old(y)=19, hx=20, hy=13, sh_u={17:0}, x=18, y=19] [L32] FCALL sh_u.value = (x) VAL [\old(x)=18, \old(y)=19, hx=20, hy=13, sh_u={17:0}, x=18, y=19] [L33] FCALL sh_u.parts.msw = ((hx & 0x7fffffff) | (hy & 0x80000000)) VAL [\old(x)=18, \old(y)=19, hx=20, hy=13, sh_u={17:0}, x=18, y=19] [L34] EXPR, FCALL sh_u.value VAL [\old(x)=18, \old(y)=19, hx=20, hy=13, sh_u={17:0}, sh_u.value=18, x=18, y=19] [L34] (x) = sh_u.value VAL [\old(x)=18, \old(y)=19, hx=20, hy=13, sh_u={17:0}, sh_u.value=18, x=18, y=19] [L34] FCALL (x) = sh_u.value VAL [(x) = sh_u.value=11, \old(x)=18, \old(y)=19, hx=20, hy=13, sh_u={17:0}, sh_u.value=18, x=18, y=19] [L34] FCALL (x) = sh_u.value VAL [(x) = sh_u.value=16, (x) = sh_u.value=11, \old(x)=18, \old(y)=19, hx=20, hy=13, sh_u={17:0}, sh_u.value=18, x=18, y=19] [L35] COND FALSE !(0) VAL [\old(x)=18, \old(y)=19, hx=20, hy=13, x=18, y=19] [L36] RET return x; VAL [\old(x)=18, \old(y)=19, \result=18, hx=20, hy=13, x=18, y=19] [L49] EXPR copysign_double(x, y) VAL [copysign_double(x, y)=18, x=18, y=19] [L49] double res = copysign_double(x, y); [L52] CALL, EXPR isnan_double(res) VAL [\old(x)=18] [L16] RET return x != x; VAL [\old(x)=18, \result=0, x=18] [L52] EXPR isnan_double(res) VAL [isnan_double(res)=0, res=18, x=18, y=19] [L52] COND TRUE !isnan_double(res) [L53] __VERIFIER_error() VAL [res=18, x=18, y=19] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 56 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 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=56occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 15:07:44,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 15:07:44,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 15:07:44,699 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 15:07:44,700 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 15:07:44,701 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 15:07:44,703 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 15:07:44,705 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 15:07:44,706 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 15:07:44,707 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 15:07:44,708 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 15:07:44,709 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 15:07:44,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 15:07:44,711 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 15:07:44,712 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 15:07:44,713 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 15:07:44,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 15:07:44,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 15:07:44,719 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 15:07:44,721 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 15:07:44,722 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 15:07:44,726 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 15:07:44,731 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 15:07:44,732 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 15:07:44,733 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 15:07:44,734 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 15:07:44,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 15:07:44,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 15:07:44,739 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 15:07:44,742 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 15:07:44,742 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 15:07:44,743 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 15:07:44,743 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 15:07:44,743 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 15:07:44,744 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 15:07:44,745 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 15:07:44,745 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 15:07:44,761 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 15:07:44,761 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 15:07:44,762 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 15:07:44,762 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 15:07:44,763 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 15:07:44,763 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 15:07:44,763 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 15:07:44,763 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 15:07:44,764 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 15:07:44,764 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 15:07:44,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 15:07:44,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 15:07:44,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 15:07:44,765 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 15:07:44,765 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 15:07:44,765 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 15:07:44,765 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 15:07:44,765 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 15:07:44,765 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 15:07:44,766 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 15:07:44,766 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 15:07:44,766 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 15:07:44,766 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 15:07:44,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 15:07:44,767 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 15:07:44,767 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 15:07:44,767 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 15:07:44,767 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 15:07:44,767 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 15:07:44,767 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 15:07:44,768 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 15:07:44,768 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 -> 2bc8c80c384a4274b675284a80df6aca0c2712a9 [2018-09-20 15:07:44,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 15:07:44,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 15:07:44,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 15:07:44,863 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 15:07:44,863 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 15:07:44,864 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1381_true-unreach-call.c [2018-09-20 15:07:45,237 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b1340bf1/bb786bee41d74b429ef0d6160d2b9dcb/FLAG76f293705 [2018-09-20 15:07:45,389 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 15:07:45,389 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1381_true-unreach-call.c [2018-09-20 15:07:45,396 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b1340bf1/bb786bee41d74b429ef0d6160d2b9dcb/FLAG76f293705 [2018-09-20 15:07:45,412 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b1340bf1/bb786bee41d74b429ef0d6160d2b9dcb [2018-09-20 15:07:45,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 15:07:45,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 15:07:45,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 15:07:45,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 15:07:45,427 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 15:07:45,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:07:45" (1/1) ... [2018-09-20 15:07:45,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35bd1788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:45, skipping insertion in model container [2018-09-20 15:07:45,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:07:45" (1/1) ... [2018-09-20 15:07:45,444 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 15:07:45,641 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:07:45,660 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 15:07:45,681 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 15:07:45,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:45 WrapperNode [2018-09-20 15:07:45,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 15:07:45,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 15:07:45,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 15:07:45,729 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 15:07:45,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:45" (1/1) ... [2018-09-20 15:07:45,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:45" (1/1) ... [2018-09-20 15:07:45,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:45" (1/1) ... [2018-09-20 15:07:45,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:45" (1/1) ... [2018-09-20 15:07:45,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:45" (1/1) ... [2018-09-20 15:07:45,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:45" (1/1) ... [2018-09-20 15:07:45,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:45" (1/1) ... [2018-09-20 15:07:45,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 15:07:45,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 15:07:45,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 15:07:45,786 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 15:07:45,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:45" (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 15:07:45,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 15:07:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 15:07:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-20 15:07:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-09-20 15:07:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 15:07:45,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 15:07:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 15:07:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-20 15:07:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-09-20 15:07:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 15:07:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 15:07:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 15:07:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 15:07:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 15:07:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 15:07:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 15:07:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 15:07:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 15:07:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 15:07:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 15:07:46,218 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:07:46,269 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:07:46,353 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:07:46,372 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:07:46,423 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 15:07:46,521 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 15:07:46,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:07:46 BoogieIcfgContainer [2018-09-20 15:07:46,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 15:07:46,522 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 15:07:46,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 15:07:46,526 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 15:07:46,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 03:07:45" (1/3) ... [2018-09-20 15:07:46,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292f78dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:07:46, skipping insertion in model container [2018-09-20 15:07:46,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:07:45" (2/3) ... [2018-09-20 15:07:46,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292f78dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 03:07:46, skipping insertion in model container [2018-09-20 15:07:46,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:07:46" (3/3) ... [2018-09-20 15:07:46,530 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1381_true-unreach-call.c [2018-09-20 15:07:46,539 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 15:07:46,549 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 15:07:46,597 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 15:07:46,598 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 15:07:46,598 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 15:07:46,598 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 15:07:46,598 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 15:07:46,599 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 15:07:46,599 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 15:07:46,599 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 15:07:46,599 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 15:07:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-09-20 15:07:46,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-20 15:07:46,628 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:07:46,629 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] [2018-09-20 15:07:46,632 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:07:46,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1004923098, now seen corresponding path program 1 times [2018-09-20 15:07:46,643 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:07:46,644 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 15:07:46,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:07:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 15:07:46,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 15:07:46,743 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 15:07:46,743 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 15:07:46,759 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 15:07:46,759 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 15:07:46,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 15:07:46,776 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 15:07:46,777 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 15:07:46,781 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2018-09-20 15:07:46,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 15:07:46,809 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2018-09-20 15:07:46,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 15:07:46,810 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-20 15:07:46,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 15:07:46,822 INFO L225 Difference]: With dead ends: 102 [2018-09-20 15:07:46,822 INFO L226 Difference]: Without dead ends: 51 [2018-09-20 15:07:46,826 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 15:07:46,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-09-20 15:07:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-09-20 15:07:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-09-20 15:07:46,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 50 transitions. [2018-09-20 15:07:46,877 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 50 transitions. Word has length 21 [2018-09-20 15:07:46,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 15:07:46,878 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 50 transitions. [2018-09-20 15:07:46,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 15:07:46,878 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2018-09-20 15:07:46,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-20 15:07:46,882 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 15:07:46,883 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 15:07:46,883 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 15:07:46,884 INFO L82 PathProgramCache]: Analyzing trace with hash 382514661, now seen corresponding path program 1 times [2018-09-20 15:07:46,886 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 15:07:46,888 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 15:07:46,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 15:07:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:07:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-20 15:07:47,283 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-20 15:07:47,334 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,335 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,336 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,336 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,336 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,337 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,337 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,338 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,339 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,339 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,340 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,340 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,341 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,341 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,342 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,343 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 03:07:47 BoogieIcfgContainer [2018-09-20 15:07:47,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-20 15:07:47,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-20 15:07:47,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-20 15:07:47,355 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-20 15:07:47,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:07:46" (3/4) ... [2018-09-20 15:07:47,361 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-09-20 15:07:47,380 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,381 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,381 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,382 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,382 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,383 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,383 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,383 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,384 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,384 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,386 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,387 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,387 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,387 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,387 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,388 WARN L1243 BoogieBacktranslator]: Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE [2018-09-20 15:07:47,441 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-20 15:07:47,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-20 15:07:47,443 INFO L168 Benchmark]: Toolchain (without parser) took 2025.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 950.5 MB in the beginning and 1.0 GB in the end (delta: -91.5 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-09-20 15:07:47,445 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 15:07:47,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.09 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-09-20 15:07:47,447 INFO L168 Benchmark]: Boogie Preprocessor took 56.83 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-20 15:07:47,448 INFO L168 Benchmark]: RCFGBuilder took 735.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-09-20 15:07:47,449 INFO L168 Benchmark]: TraceAbstraction took 831.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-09-20 15:07:47,450 INFO L168 Benchmark]: Witness Printer took 86.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-09-20 15:07:47,455 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 308.09 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 939.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.83 ms. Allocated memory is still 1.0 GB. Free memory was 939.8 MB in the beginning and 934.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 735.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 831.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * Witness Printer took 86.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation could not match function ~Plusoo~LONGDOUBLE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 53]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] double x = 0.0 / 0.0; [L48] double y = __VERIFIER_nondet_double(); [L49] CALL, EXPR copysign_double(x, y) VAL [\old(x)=NaN, \old(y)=NaN] [L19] __uint32_t hx, hy; VAL [\old(x)=NaN, \old(y)=NaN, x=NaN, y=NaN] [L21] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=NaN, \old(y)=NaN, gh_u={2:0}, x=NaN, y=NaN] [L22] FCALL gh_u.value = (x) VAL [\old(x)=NaN, \old(y)=NaN, gh_u={2:0}, x=NaN, y=NaN] [L23] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=NaN, \old(y)=NaN, gh_u={2:0}, gh_u.parts.msw=2146435072, x=NaN, y=NaN] [L23] (hx) = gh_u.parts.msw VAL [\old(x)=NaN, \old(y)=NaN, gh_u={2:0}, gh_u.parts.msw=2146435072, hx=2146435072, x=NaN, y=NaN] [L23] FCALL (hx) = gh_u.parts.msw VAL [(hx) = gh_u.parts.msw=NaN, \old(x)=NaN, \old(y)=NaN, gh_u={2:0}, gh_u.parts.msw=2146435072, hx=2146435072, x=NaN, y=NaN] [L24] COND FALSE !(0) VAL [\old(x)=NaN, \old(y)=NaN, hx=2146435072, x=NaN, y=NaN] [L26] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=NaN, \old(y)=NaN, gh_u={3:0}, hx=2146435072, x=NaN, y=NaN] [L27] FCALL gh_u.value = (y) VAL [\old(x)=NaN, \old(y)=NaN, gh_u={3:0}, hx=2146435072, x=NaN, y=NaN] [L28] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=NaN, \old(y)=NaN, gh_u={3:0}, gh_u.parts.msw=2146959360, hx=2146435072, x=NaN, y=NaN] [L28] (hy) = gh_u.parts.msw VAL [\old(x)=NaN, \old(y)=NaN, gh_u={3:0}, gh_u.parts.msw=2146959360, hx=2146435072, hy=2146959360, x=NaN, y=NaN] [L28] FCALL (hy) = gh_u.parts.msw VAL [(hy) = gh_u.parts.msw=NaN, \old(x)=NaN, \old(y)=NaN, gh_u={3:0}, gh_u.parts.msw=2146959360, hx=2146435072, hy=2146959360, x=NaN, y=NaN] [L29] COND FALSE !(0) VAL [\old(x)=NaN, \old(y)=NaN, hx=2146435072, hy=2146959360, x=NaN, y=NaN] [L31] FCALL ieee_double_shape_type sh_u; VAL [\old(x)=NaN, \old(y)=NaN, hx=2146435072, hy=2146959360, sh_u={3:0}, x=NaN, y=NaN] [L32] FCALL sh_u.value = (x) VAL [\old(x)=NaN, \old(y)=NaN, hx=2146435072, hy=2146959360, sh_u={3:0}, x=NaN, y=NaN] [L33] FCALL sh_u.parts.msw = ((hx & 0x7fffffff) | (hy & 0x80000000)) VAL [\old(x)=NaN, \old(y)=NaN, hx=2146435072, hy=2146959360, sh_u={3:0}, x=NaN, y=NaN] [L34] EXPR, FCALL sh_u.value VAL [\old(x)=NaN, \old(y)=NaN, hx=2146435072, hy=2146959360, sh_u={3:0}, x=NaN, y=NaN] [L34] (x) = sh_u.value VAL [\old(x)=NaN, \old(y)=NaN, hx=2146435072, hy=2146959360, sh_u={3:0}, y=NaN] [L34] FCALL (x) = sh_u.value VAL [(x) = sh_u.value=0, \old(x)=NaN, \old(y)=NaN, hx=2146435072, hy=2146959360, sh_u={3:0}, y=NaN] [L34] FCALL (x) = sh_u.value VAL [(x) = sh_u.value=0, (x) = sh_u.value=0, \old(x)=NaN, \old(y)=NaN, hx=2146435072, hy=2146959360, sh_u={3:0}, y=NaN] [L35] COND FALSE !(0) VAL [\old(x)=NaN, \old(y)=NaN, hx=2146435072, hy=2146959360, y=NaN] [L36] RET return x; VAL [\old(x)=NaN, \old(y)=NaN, hx=2146435072, hy=2146959360, y=NaN] [L49] EXPR copysign_double(x, y) VAL [x=NaN, y=NaN] [L49] double res = copysign_double(x, y); [L52] CALL, EXPR isnan_double(res) [L16] RET return x != x; VAL [\result=0] [L52] EXPR isnan_double(res) VAL [isnan_double(res)=0, x=NaN, y=NaN] [L52] COND TRUE !isnan_double(res) [L53] __VERIFIER_error() VAL [x=NaN, y=NaN] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 55 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 54 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...