./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e334e85dd18553afecc96b27cf49a003304cbca8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:11:10,813 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:11:10,814 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:11:10,820 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:11:10,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:11:10,821 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:11:10,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:11:10,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:11:10,823 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:11:10,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:11:10,823 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:11:10,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:11:10,824 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:11:10,824 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:11:10,825 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:11:10,825 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:11:10,826 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:11:10,826 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:11:10,827 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:11:10,828 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:11:10,828 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:11:10,829 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:11:10,830 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:11:10,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:11:10,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:11:10,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:11:10,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:11:10,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:11:10,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:11:10,832 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:11:10,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:11:10,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:11:10,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:11:10,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:11:10,833 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:11:10,834 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:11:10,834 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-12-02 04:11:10,840 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:11:10,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:11:10,841 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:11:10,841 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:11:10,842 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 04:11:10,842 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 04:11:10,842 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 04:11:10,842 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:11:10,842 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 04:11:10,842 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:11:10,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:11:10,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:11:10,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:11:10,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:11:10,842 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-02 04:11:10,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:11:10,843 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:11:10,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:11:10,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:11:10,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:11:10,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:11:10,843 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:11:10,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:11:10,843 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:11:10,843 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:11:10,843 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:11:10,844 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 04:11:10,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:11:10,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:11:10,844 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e334e85dd18553afecc96b27cf49a003304cbca8 [2018-12-02 04:11:10,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:11:10,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:11:10,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:11:10,870 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:11:10,870 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:11:10,870 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c [2018-12-02 04:11:10,905 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/data/258c86956/717074982e114d29a32751148b16894f/FLAG214173cec [2018-12-02 04:11:11,335 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:11:11,335 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c [2018-12-02 04:11:11,339 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/data/258c86956/717074982e114d29a32751148b16894f/FLAG214173cec [2018-12-02 04:11:11,347 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/data/258c86956/717074982e114d29a32751148b16894f [2018-12-02 04:11:11,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:11:11,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:11:11,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:11:11,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:11:11,352 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:11:11,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:11:11" (1/1) ... [2018-12-02 04:11:11,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3033e242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11, skipping insertion in model container [2018-12-02 04:11:11,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:11:11" (1/1) ... [2018-12-02 04:11:11,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:11:11,368 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:11:11,449 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:11:11,451 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:11:11,460 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:11:11,467 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:11:11,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11 WrapperNode [2018-12-02 04:11:11,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:11:11,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:11:11,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:11:11,468 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:11:11,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2018-12-02 04:11:11,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2018-12-02 04:11:11,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:11:11,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:11:11,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:11:11,479 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:11:11,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2018-12-02 04:11:11,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2018-12-02 04:11:11,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2018-12-02 04:11:11,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2018-12-02 04:11:11,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2018-12-02 04:11:11,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2018-12-02 04:11:11,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... [2018-12-02 04:11:11,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:11:11,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:11:11,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:11:11,490 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:11:11,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/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 [2018-12-02 04:11:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:11:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:11:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:11:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:11:11,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:11:11,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:11:11,638 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:11:11,638 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 04:11:11,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:11:11 BoogieIcfgContainer [2018-12-02 04:11:11,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:11:11,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:11:11,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:11:11,641 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:11:11,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:11:11" (1/3) ... [2018-12-02 04:11:11,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd68bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:11:11, skipping insertion in model container [2018-12-02 04:11:11,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:11:11" (2/3) ... [2018-12-02 04:11:11,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd68bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:11:11, skipping insertion in model container [2018-12-02 04:11:11,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:11:11" (3/3) ... [2018-12-02 04:11:11,643 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedpldi2_true-termination_true-no-overflow.c [2018-12-02 04:11:11,649 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:11:11,653 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-12-02 04:11:11,662 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-12-02 04:11:11,679 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 04:11:11,680 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:11:11,680 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:11:11,680 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:11:11,680 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:11:11,680 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:11:11,680 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:11:11,680 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:11:11,680 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:11:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-12-02 04:11:11,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 04:11:11,694 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:11:11,694 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:11:11,695 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-02 04:11:11,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:11:11,698 INFO L82 PathProgramCache]: Analyzing trace with hash 350361843, now seen corresponding path program 1 times [2018-12-02 04:11:11,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 04:11:11,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 04:11:11,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:11,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:11:11,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:11:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:11:11,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:11:11,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:11:11,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:11:11,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:11:11,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:11:11,800 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2018-12-02 04:11:11,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:11:11,830 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2018-12-02 04:11:11,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:11:11,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-12-02 04:11:11,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:11:11,837 INFO L225 Difference]: With dead ends: 34 [2018-12-02 04:11:11,837 INFO L226 Difference]: Without dead ends: 20 [2018-12-02 04:11:11,839 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:11:11,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-12-02 04:11:11,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2018-12-02 04:11:11,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-12-02 04:11:11,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2018-12-02 04:11:11,859 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9 [2018-12-02 04:11:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:11:11,859 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2018-12-02 04:11:11,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:11:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2018-12-02 04:11:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 04:11:11,860 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:11:11,860 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:11:11,860 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-02 04:11:11,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:11:11,860 INFO L82 PathProgramCache]: Analyzing trace with hash -2023684702, now seen corresponding path program 1 times [2018-12-02 04:11:11,860 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 04:11:11,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 04:11:11,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:11,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:11:11,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:11:11,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:11:11,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:11:11,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:11:11,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:11:11,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:11:11,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:11:11,879 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand 3 states. [2018-12-02 04:11:11,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:11:11,888 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2018-12-02 04:11:11,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:11:11,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-02 04:11:11,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:11:11,889 INFO L225 Difference]: With dead ends: 19 [2018-12-02 04:11:11,889 INFO L226 Difference]: Without dead ends: 18 [2018-12-02 04:11:11,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:11:11,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-12-02 04:11:11,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-12-02 04:11:11,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-12-02 04:11:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2018-12-02 04:11:11,891 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 10 [2018-12-02 04:11:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:11:11,892 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2018-12-02 04:11:11,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:11:11,892 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-12-02 04:11:11,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 04:11:11,892 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:11:11,892 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:11:11,892 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-02 04:11:11,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:11:11,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1690283733, now seen corresponding path program 1 times [2018-12-02 04:11:11,893 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 04:11:11,893 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 04:11:11,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:11,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:11:11,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:11:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:11:11,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:11:11,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:11:11,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 04:11:11,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 04:11:11,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:11:11,916 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 4 states. [2018-12-02 04:11:11,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:11:11,931 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-12-02 04:11:11,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 04:11:11,932 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-12-02 04:11:11,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:11:11,932 INFO L225 Difference]: With dead ends: 18 [2018-12-02 04:11:11,932 INFO L226 Difference]: Without dead ends: 17 [2018-12-02 04:11:11,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 04:11:11,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-12-02 04:11:11,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-12-02 04:11:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-12-02 04:11:11,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2018-12-02 04:11:11,934 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2018-12-02 04:11:11,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:11:11,935 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2018-12-02 04:11:11,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 04:11:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-12-02 04:11:11,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 04:11:11,935 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:11:11,935 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:11:11,935 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-02 04:11:11,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:11:11,935 INFO L82 PathProgramCache]: Analyzing trace with hash 859188228, now seen corresponding path program 1 times [2018-12-02 04:11:11,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 04:11:11,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 04:11:11,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:11,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:11:11,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:11:11,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:11:11,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:11:11,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:11:11,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:11:11,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:11:11,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:11:11,950 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand 3 states. [2018-12-02 04:11:11,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:11:11,957 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-12-02 04:11:11,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:11:11,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-02 04:11:11,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:11:11,957 INFO L225 Difference]: With dead ends: 18 [2018-12-02 04:11:11,957 INFO L226 Difference]: Without dead ends: 17 [2018-12-02 04:11:11,958 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:11:11,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-12-02 04:11:11,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2018-12-02 04:11:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-02 04:11:11,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2018-12-02 04:11:11,960 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 12 [2018-12-02 04:11:11,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:11:11,960 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2018-12-02 04:11:11,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:11:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-12-02 04:11:11,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 04:11:11,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:11:11,960 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:11:11,961 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-02 04:11:11,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:11:11,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1928538036, now seen corresponding path program 1 times [2018-12-02 04:11:11,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 04:11:11,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 04:11:11,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:11,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:11:11,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:11:11,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:11:11,982 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:11:11,982 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 04:11:11,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:11:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:11:11,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:11:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:11:12,026 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 04:11:12,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2018-12-02 04:11:12,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 04:11:12,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 04:11:12,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:11:12,027 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand 4 states. [2018-12-02 04:11:12,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:11:12,042 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2018-12-02 04:11:12,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 04:11:12,042 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-12-02 04:11:12,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:11:12,043 INFO L225 Difference]: With dead ends: 24 [2018-12-02 04:11:12,043 INFO L226 Difference]: Without dead ends: 23 [2018-12-02 04:11:12,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 04:11:12,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-12-02 04:11:12,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2018-12-02 04:11:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-12-02 04:11:12,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2018-12-02 04:11:12,047 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 15 [2018-12-02 04:11:12,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:11:12,047 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2018-12-02 04:11:12,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 04:11:12,047 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-12-02 04:11:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 04:11:12,047 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:11:12,047 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:11:12,048 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-12-02 04:11:12,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:11:12,048 INFO L82 PathProgramCache]: Analyzing trace with hash -403246875, now seen corresponding path program 2 times [2018-12-02 04:11:12,048 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 04:11:12,048 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 04:11:12,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:12,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:11:12,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:11:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:11:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:11:12,072 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:11:12,072 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 04:11:12,078 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-02 04:11:12,083 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-12-02 04:11:12,083 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 04:11:12,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:11:12,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 04:11:12,119 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 04:11:12,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-12-02 04:11:12,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 04:11:12,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 04:11:12,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:11:12,120 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand 7 states. [2018-12-02 04:11:12,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:11:12,168 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2018-12-02 04:11:12,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:11:12,168 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-02 04:11:12,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:11:12,169 INFO L225 Difference]: With dead ends: 33 [2018-12-02 04:11:12,169 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 04:11:12,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2018-12-02 04:11:12,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 04:11:12,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 04:11:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 04:11:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 04:11:12,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-12-02 04:11:12,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:11:12,170 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 04:11:12,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 04:11:12,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 04:11:12,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:11:12,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 04:11:12,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 04:11:12,194 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-02 04:11:12,194 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:11:12,194 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:11:12,194 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 04:11:12,195 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:11:12,195 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:11:12,195 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2018-12-02 04:11:12,195 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 30) no Hoare annotation was computed. [2018-12-02 04:11:12,195 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-12-02 04:11:12,195 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2018-12-02 04:11:12,195 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-12-02 04:11:12,195 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 26) no Hoare annotation was computed. [2018-12-02 04:11:12,195 INFO L444 ceAbstractionStarter]: At program point L21-2(lines 20 27) the Hoare annotation is: (and (<= main_~n~0 2147483647) (<= 0 main_~v2~0) (<= main_~m~0 2147483647) (<= main_~v1~0 2147483647)) [2018-12-02 04:11:12,195 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 28) no Hoare annotation was computed. [2018-12-02 04:11:12,195 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 28) no Hoare annotation was computed. [2018-12-02 04:11:12,195 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 30) no Hoare annotation was computed. [2018-12-02 04:11:12,196 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2018-12-02 04:11:12,196 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 30) the Hoare annotation is: true [2018-12-02 04:11:12,196 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-02 04:11:12,196 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2018-12-02 04:11:12,196 INFO L448 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-12-02 04:11:12,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:11:12 BoogieIcfgContainer [2018-12-02 04:11:12,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:11:12,204 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:11:12,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:11:12,204 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:11:12,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:11:11" (3/4) ... [2018-12-02 04:11:12,206 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:11:12,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 04:11:12,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 04:11:12,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 04:11:12,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 04:11:12,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 04:11:12,213 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 04:11:12,237 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6ee0ac04-a6cc-46b8-904e-85d3cfab673e/bin-2019/uautomizer/witness.graphml [2018-12-02 04:11:12,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:11:12,238 INFO L168 Benchmark]: Toolchain (without parser) took 888.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 953.3 MB in the beginning and 1.0 GB in the end (delta: -56.3 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:11:12,238 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:11:12,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 117.59 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:11:12,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.00 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:11:12,239 INFO L168 Benchmark]: Boogie Preprocessor took 10.67 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:11:12,239 INFO L168 Benchmark]: RCFGBuilder took 148.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-12-02 04:11:12,239 INFO L168 Benchmark]: TraceAbstraction took 564.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 11.5 GB. [2018-12-02 04:11:12,239 INFO L168 Benchmark]: Witness Printer took 33.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:11:12,241 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 117.59 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.00 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.67 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 148.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 564.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.5 MB). Peak memory consumption was 92.5 MB. Max. memory is 11.5 GB. * Witness Printer took 33.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((n <= 2147483647 && 0 <= v2) && m <= 2147483647) && v1 <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 21 locations, 4 error locations. SAFE Result, 0.5s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 72 SDtfs, 45 SDslu, 70 SDs, 0 SdLazy, 59 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=5, 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, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 9 NumberOfFragments, 17 HoareAnnotationTreeSize, 5 FomulaSimplifications, 86 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 114 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 3652 SizeOfPredicates, 1 NumberOfNonLiveVariables, 64 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 10/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...