/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1121a_true-unreach-call.c --full-output --architecture 32bit --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5eb3fea6 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_1121a_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 2718f642e307f3f62e4f4b06b51ef37595256727 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ................................................................................................................................................................................................................................................................................ 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_1121a_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 2718f642e307f3f62e4f4b06b51ef37595256727 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false .............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:11:21,601 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:11:21,604 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:11:21,616 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:11:21,617 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:11:21,618 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:11:21,619 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:11:21,621 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:11:21,623 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:11:21,624 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:11:21,625 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:11:21,625 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:11:21,626 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:11:21,627 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:11:21,628 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:11:21,629 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:11:21,629 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:11:21,631 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:11:21,633 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:11:21,635 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:11:21,636 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:11:21,637 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:11:21,639 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:11:21,640 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:11:21,640 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:11:21,641 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:11:21,642 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:11:21,643 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:11:21,644 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:11:21,645 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:11:21,645 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:11:21,646 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:11:21,646 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:11:21,646 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:11:21,647 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:11:21,648 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:11:21,648 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:11:21,663 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:11:21,663 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:11:21,664 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:11:21,664 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:11:21,665 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:11:21,665 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:11:21,665 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:11:21,666 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:11:21,666 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:11:21,666 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:11:21,666 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:11:21,666 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:11:21,666 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:11:21,667 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:11:21,667 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:11:21,667 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:11:21,667 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:11:21,667 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:11:21,667 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:11:21,668 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:11:21,668 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:11:21,668 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:11:21,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:11:21,668 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:11:21,668 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:11:21,669 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:11:21,669 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:11:21,669 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:11:21,669 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:11:21,669 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 -> 2718f642e307f3f62e4f4b06b51ef37595256727 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:11:21,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:11:21,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:11:21,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:11:21,760 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:11:21,761 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:11:21,761 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1121a_true-unreach-call.c [2018-09-21 18:11:22,123 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f7472df4/65d0316fcbf64205916a0de70a0bfd57/FLAG6465276a8 [2018-09-21 18:11:22,291 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:11:22,293 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1121a_true-unreach-call.c [2018-09-21 18:11:22,307 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f7472df4/65d0316fcbf64205916a0de70a0bfd57/FLAG6465276a8 [2018-09-21 18:11:22,324 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f7472df4/65d0316fcbf64205916a0de70a0bfd57 [2018-09-21 18:11:22,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:11:22,333 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:11:22,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:11:22,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:11:22,341 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:11:22,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:11:22" (1/1) ... [2018-09-21 18:11:22,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c51fb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:22, skipping insertion in model container [2018-09-21 18:11:22,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:11:22" (1/1) ... [2018-09-21 18:11:22,358 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:11:22,631 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:11:22,657 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:11:22,720 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:11:22,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:22 WrapperNode [2018-09-21 18:11:22,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:11:22,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:11:22,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:11:22,772 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:11:22,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:22" (1/1) ... [2018-09-21 18:11:22,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:22" (1/1) ... [2018-09-21 18:11:22,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:22" (1/1) ... [2018-09-21 18:11:22,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:22" (1/1) ... [2018-09-21 18:11:22,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:22" (1/1) ... [2018-09-21 18:11:22,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:22" (1/1) ... [2018-09-21 18:11:22,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:22" (1/1) ... [2018-09-21 18:11:22,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:11:22,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:11:22,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:11:22,845 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:11:22,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:22" (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 [2018-09-21 18:11:22,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:11:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:11:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 18:11:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-09-21 18:11:22,997 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:11:22,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:11:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:11:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 18:11:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-09-21 18:11:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:11:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 18:11:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 18:11:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:11:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 18:11:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 18:11:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:11:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:11:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:11:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 18:11:23,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 18:11:24,069 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:11:24,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:11:24 BoogieIcfgContainer [2018-09-21 18:11:24,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:11:24,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:11:24,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:11:24,074 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:11:24,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:11:22" (1/3) ... [2018-09-21 18:11:24,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4feee4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:11:24, skipping insertion in model container [2018-09-21 18:11:24,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:22" (2/3) ... [2018-09-21 18:11:24,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4feee4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:11:24, skipping insertion in model container [2018-09-21 18:11:24,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:11:24" (3/3) ... [2018-09-21 18:11:24,078 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a_true-unreach-call.c [2018-09-21 18:11:24,086 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:11:24,095 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:11:24,141 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:11:24,142 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:11:24,142 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:11:24,143 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:11:24,143 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:11:24,143 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:11:24,146 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:11:24,146 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:11:24,146 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:11:24,166 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2018-09-21 18:11:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-21 18:11:24,178 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:11:24,179 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] [2018-09-21 18:11:24,182 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:11:24,187 INFO L82 PathProgramCache]: Analyzing trace with hash -954661604, now seen corresponding path program 1 times [2018-09-21 18:11:24,189 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:11:24,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:11:24,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:11:24,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:11:24,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:11:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:11:24,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:11:24,342 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:11:24,342 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:11:24,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:11:24,361 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:11:24,362 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:11:24,364 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2018-09-21 18:11:24,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:11:24,389 INFO L93 Difference]: Finished difference Result 118 states and 144 transitions. [2018-09-21 18:11:24,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:11:24,391 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-21 18:11:24,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:11:24,404 INFO L225 Difference]: With dead ends: 118 [2018-09-21 18:11:24,404 INFO L226 Difference]: Without dead ends: 114 [2018-09-21 18:11:24,406 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 [2018-09-21 18:11:24,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-09-21 18:11:24,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-09-21 18:11:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-09-21 18:11:24,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2018-09-21 18:11:24,458 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 22 [2018-09-21 18:11:24,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:11:24,459 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2018-09-21 18:11:24,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:11:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2018-09-21 18:11:24,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-21 18:11:24,462 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:11:24,462 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] [2018-09-21 18:11:24,463 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:11:24,463 INFO L82 PathProgramCache]: Analyzing trace with hash -685275304, now seen corresponding path program 1 times [2018-09-21 18:11:24,463 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:11:24,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:11:24,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:11:24,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:11:24,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:11:24,553 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:91) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:112) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:2063) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:618) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1027) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1171) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:114) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:502) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:455) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:214) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:236) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:430) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-21 18:11:24,562 INFO L168 Benchmark]: Toolchain (without parser) took 2232.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -119.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:24,564 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. [2018-09-21 18:11:24,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.13 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:24,565 INFO L168 Benchmark]: Boogie Preprocessor took 73.12 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:11:24,566 INFO L168 Benchmark]: RCFGBuilder took 1224.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:24,568 INFO L168 Benchmark]: TraceAbstraction took 489.93 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: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-09-21 18:11:24,574 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 437.13 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.12 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1224.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 489.93 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: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:91) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:11:26,967 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:11:26,969 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:11:26,982 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:11:26,982 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:11:26,983 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:11:26,985 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:11:26,987 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:11:26,989 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:11:26,990 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:11:26,991 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:11:26,991 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:11:26,995 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:11:26,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:11:27,008 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:11:27,009 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:11:27,009 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:11:27,011 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:11:27,014 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:11:27,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:11:27,019 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:11:27,021 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:11:27,025 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:11:27,028 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:11:27,029 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:11:27,030 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:11:27,032 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:11:27,033 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:11:27,034 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:11:27,035 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:11:27,035 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:11:27,039 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:11:27,040 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:11:27,040 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:11:27,041 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:11:27,043 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:11:27,045 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:11:27,065 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:11:27,065 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:11:27,066 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:11:27,066 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:11:27,067 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:11:27,067 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:11:27,067 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:11:27,068 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:11:27,068 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:11:27,069 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:11:27,069 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:11:27,069 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:11:27,069 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:11:27,069 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:11:27,070 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:11:27,070 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:11:27,071 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:11:27,071 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:11:27,071 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:11:27,071 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:11:27,071 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:11:27,071 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:11:27,072 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:11:27,072 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:11:27,072 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:11:27,072 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:11:27,074 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:11:27,074 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:11:27,074 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:11:27,074 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:11:27,075 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:11:27,075 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 -> 2718f642e307f3f62e4f4b06b51ef37595256727 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:11:27,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:11:27,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:11:27,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:11:27,158 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:11:27,158 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:11:27,159 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1121a_true-unreach-call.c [2018-09-21 18:11:27,529 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f4e419c0/7c8665dc784f406085f57987f86e199a/FLAGc0c95dd33 [2018-09-21 18:11:27,687 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:11:27,688 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1121a_true-unreach-call.c [2018-09-21 18:11:27,696 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f4e419c0/7c8665dc784f406085f57987f86e199a/FLAGc0c95dd33 [2018-09-21 18:11:27,711 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f4e419c0/7c8665dc784f406085f57987f86e199a [2018-09-21 18:11:27,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:11:27,718 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:11:27,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:11:27,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:11:27,725 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:11:27,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:11:27" (1/1) ... [2018-09-21 18:11:27,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6adfb97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:27, skipping insertion in model container [2018-09-21 18:11:27,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:11:27" (1/1) ... [2018-09-21 18:11:27,741 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:11:28,005 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:11:28,040 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:11:28,117 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:11:28,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:28 WrapperNode [2018-09-21 18:11:28,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:11:28,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:11:28,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:11:28,189 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:11:28,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:28" (1/1) ... [2018-09-21 18:11:28,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:28" (1/1) ... [2018-09-21 18:11:28,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:28" (1/1) ... [2018-09-21 18:11:28,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:28" (1/1) ... [2018-09-21 18:11:28,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:28" (1/1) ... [2018-09-21 18:11:28,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:28" (1/1) ... [2018-09-21 18:11:28,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:28" (1/1) ... [2018-09-21 18:11:28,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:11:28,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:11:28,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:11:28,273 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:11:28,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:28" (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 [2018-09-21 18:11:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:11:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:11:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-21 18:11:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-09-21 18:11:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:11:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:11:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:11:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-21 18:11:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-09-21 18:11:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:11:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 18:11:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:11:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:11:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:11:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 18:11:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:11:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:11:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:11:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 18:11:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:11:28,936 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:28,963 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:29,006 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:29,076 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:29,096 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:29,583 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:11:32,529 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:11:32,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:11:32 BoogieIcfgContainer [2018-09-21 18:11:32,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:11:32,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:11:32,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:11:32,533 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:11:32,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:11:27" (1/3) ... [2018-09-21 18:11:32,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486bcf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:11:32, skipping insertion in model container [2018-09-21 18:11:32,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:11:28" (2/3) ... [2018-09-21 18:11:32,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486bcf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:11:32, skipping insertion in model container [2018-09-21 18:11:32,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:11:32" (3/3) ... [2018-09-21 18:11:32,538 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a_true-unreach-call.c [2018-09-21 18:11:32,547 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:11:32,554 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:11:32,594 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:11:32,595 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:11:32,595 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:11:32,595 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:11:32,596 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:11:32,596 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:11:32,596 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:11:32,596 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:11:32,596 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:11:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-09-21 18:11:32,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-21 18:11:32,625 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:11:32,626 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] [2018-09-21 18:11:32,629 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:11:32,634 INFO L82 PathProgramCache]: Analyzing trace with hash -370038965, now seen corresponding path program 1 times [2018-09-21 18:11:32,638 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:11:32,639 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 [2018-09-21 18:11:32,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:11:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:11:33,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:11:33,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:11:33,649 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:11:33,675 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:11:33,676 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:11:33,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:11:33,691 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:11:33,692 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:11:33,694 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-09-21 18:11:33,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:11:33,724 INFO L93 Difference]: Finished difference Result 117 states and 143 transitions. [2018-09-21 18:11:33,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:11:33,725 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-21 18:11:33,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:11:33,739 INFO L225 Difference]: With dead ends: 117 [2018-09-21 18:11:33,739 INFO L226 Difference]: Without dead ends: 113 [2018-09-21 18:11:33,741 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 [2018-09-21 18:11:33,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-09-21 18:11:33,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-09-21 18:11:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-09-21 18:11:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 139 transitions. [2018-09-21 18:11:33,795 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 139 transitions. Word has length 21 [2018-09-21 18:11:33,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:11:33,796 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 139 transitions. [2018-09-21 18:11:33,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:11:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 139 transitions. [2018-09-21 18:11:33,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-21 18:11:33,799 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:11:33,800 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] [2018-09-21 18:11:33,800 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:11:33,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1914081903, now seen corresponding path program 1 times [2018-09-21 18:11:33,803 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:11:33,805 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 [2018-09-21 18:11:33,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:11:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:11:36,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:11:38,819 WARN L797 $PredicateComparison]: unable to prove that (exists ((fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul RNE fmod_double_~x |c_fmod_double_#in~y|))) (fp.div RNE .cse0 .cse0)) |c_fmod_double_#res|)) is different from false [2018-09-21 18:11:41,138 WARN L819 $PredicateComparison]: unable to prove that (exists ((fmod_double_~x (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul RNE fmod_double_~x |c_fmod_double_#in~y|))) (fp.div RNE .cse0 .cse0)) |c_fmod_double_#res|)) is different from true [2018-09-21 18:11:55,437 WARN L178 SmtUtils]: Spent 4.50 s on a formula simplification that was a NOOP. DAG size: 8 [2018-09-21 18:12:13,746 WARN L178 SmtUtils]: Spent 3.89 s on a formula simplification that was a NOOP. DAG size: 8 [2018-09-21 18:12:34,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:12:34,489 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:12:34,516 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:12:34,517 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-21 18:12:34,520 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-21 18:12:34,520 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-21 18:12:34,521 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=36, Unknown=9, NotChecked=12, Total=72 [2018-09-21 18:12:34,521 INFO L87 Difference]: Start difference. First operand 113 states and 139 transitions. Second operand 9 states. [2018-09-21 18:13:00,344 WARN L797 $PredicateComparison]: unable to prove that (and (= (_ bv1 32) |c_main_#t~ret15|) (exists ((fmod_double_~x (_ FloatingPoint 11 53))) (= c_main_~res~0 (let ((.cse0 (fp.mul RNE fmod_double_~x (_ +zero 11 53)))) (fp.div RNE .cse0 .cse0))))) is different from false [2018-09-21 18:13:04,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:13:04,747 INFO L93 Difference]: Finished difference Result 118 states and 144 transitions. [2018-09-21 18:13:04,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-21 18:13:04,748 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 47 [2018-09-21 18:13:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:13:04,750 INFO L225 Difference]: With dead ends: 118 [2018-09-21 18:13:04,750 INFO L226 Difference]: Without dead ends: 113 [2018-09-21 18:13:04,751 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 55.1s TimeCoverageRelationStatistics Valid=17, Invalid=37, Unknown=10, NotChecked=26, Total=90 [2018-09-21 18:13:04,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-09-21 18:13:04,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-09-21 18:13:04,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-09-21 18:13:04,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 138 transitions. [2018-09-21 18:13:04,772 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 138 transitions. Word has length 47 [2018-09-21 18:13:04,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:13:04,773 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 138 transitions. [2018-09-21 18:13:04,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-21 18:13:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2018-09-21 18:13:04,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-21 18:13:04,776 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:13:04,776 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] [2018-09-21 18:13:04,776 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:13:04,777 INFO L82 PathProgramCache]: Analyzing trace with hash 2110866027, now seen corresponding path program 1 times [2018-09-21 18:13:04,778 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:13:04,778 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 [2018-09-21 18:13:04,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:13:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:13:04,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:13:04,991 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:13:04,993 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:13:04,999 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 [2018-09-21 18:13:05,013 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:13:05,040 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 [2018-09-21 18:13:05,041 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:13:05,138 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:13:05,242 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. [2018-09-21 18:13:05,242 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-21 18:13:05,683 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:13:05,685 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:13:05,687 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 [2018-09-21 18:13:05,701 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:13:05,736 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 [2018-09-21 18:13:05,737 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:13:05,825 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:13:05,869 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. [2018-09-21 18:13:05,870 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-21 18:13:05,990 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 [2018-09-21 18:13:06,004 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:13:06,009 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 [2018-09-21 18:13:06,010 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:13:06,030 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:13:06,047 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. [2018-09-21 18:13:06,047 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-21 18:13:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:13:06,374 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:13:06,385 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:13:06,385 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-21 18:13:06,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-21 18:13:06,386 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-21 18:13:06,386 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-09-21 18:13:06,387 INFO L87 Difference]: Start difference. First operand 113 states and 138 transitions. Second operand 11 states. [2018-09-21 18:13:07,505 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-21 18:13:09,092 WARN L178 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 35 [2018-09-21 18:13:11,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:13:11,251 INFO L93 Difference]: Finished difference Result 107 states and 131 transitions. [2018-09-21 18:13:11,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-21 18:13:11,254 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 49 [2018-09-21 18:13:11,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:13:11,255 INFO L225 Difference]: With dead ends: 107 [2018-09-21 18:13:11,255 INFO L226 Difference]: Without dead ends: 0 [2018-09-21 18:13:11,256 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2018-09-21 18:13:11,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-21 18:13:11,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-21 18:13:11,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-21 18:13:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-21 18:13:11,256 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-09-21 18:13:11,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:13:11,257 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-21 18:13:11,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-21 18:13:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-21 18:13:11,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-21 18:13:11,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:13:11 BoogieIcfgContainer [2018-09-21 18:13:11,262 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:13:11,263 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:13:11,263 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:13:11,263 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:13:11,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:11:32" (3/4) ... [2018-09-21 18:13:11,268 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-09-21 18:13:11,275 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-09-21 18:13:11,276 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-09-21 18:13:11,276 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_double [2018-09-21 18:13:11,277 INFO L316 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-09-21 18:13:11,285 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2018-09-21 18:13:11,286 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-09-21 18:13:11,287 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-09-21 18:13:11,287 INFO L850 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-09-21 18:13:11,380 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-09-21 18:13:11,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:13:11,381 INFO L168 Benchmark]: Toolchain (without parser) took 103666.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 947.8 MB in the beginning and 927.0 MB in the end (delta: 20.8 MB). Peak memory consumption was 181.3 MB. Max. memory is 11.5 GB. [2018-09-21 18:13:11,382 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:13:11,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.53 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 931.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-21 18:13:11,383 INFO L168 Benchmark]: Boogie Preprocessor took 83.21 ms. Allocated memory is still 1.0 GB. Free memory was 931.7 MB in the beginning and 926.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:13:11,384 INFO L168 Benchmark]: RCFGBuilder took 4256.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 926.3 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-09-21 18:13:11,385 INFO L168 Benchmark]: TraceAbstraction took 98732.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.7 MB in the end (delta: 181.2 MB). Peak memory consumption was 181.2 MB. Max. memory is 11.5 GB. [2018-09-21 18:13:11,386 INFO L168 Benchmark]: Witness Printer took 117.46 ms. Allocated memory is still 1.2 GB. Free memory was 933.7 MB in the beginning and 927.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:13:11,390 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 469.53 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 931.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.21 ms. Allocated memory is still 1.0 GB. Free memory was 931.7 MB in the beginning and 926.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4256.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 926.3 MB in the beginning and 1.1 GB in the end (delta: -188.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 98732.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.7 MB in the end (delta: 181.2 MB). Peak memory consumption was 181.2 MB. Max. memory is 11.5 GB. * Witness Printer took 117.46 ms. Allocated memory is still 1.2 GB. Free memory was 933.7 MB in the beginning and 927.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 117 locations, 1 error locations. SAFE Result, 98.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 35.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 386 SDtfs, 333 SDslu, 1177 SDs, 0 SdLazy, 205 SolverSat, 14 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 28.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 58.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 59.7s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 114 ConstructedInterpolants, 21 QuantifiedInterpolants, 32752 SizeOfPredicates, 14 NumberOfNonLiveVariables, 270 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...