./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/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 ebb74e337af9534aacfcb2a7a413bdbed21e04b2 .................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:12:27,702 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:12:27,703 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:12:27,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:12:27,712 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:12:27,713 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:12:27,713 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:12:27,714 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:12:27,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:12:27,716 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:12:27,717 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:12:27,717 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:12:27,718 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:12:27,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:12:27,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:12:27,720 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:12:27,720 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:12:27,721 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:12:27,723 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:12:27,724 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:12:27,725 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:12:27,726 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:12:27,727 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:12:27,728 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:12:27,728 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:12:27,728 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:12:27,729 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:12:27,729 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:12:27,730 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:12:27,730 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:12:27,730 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:12:27,731 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:12:27,731 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:12:27,731 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:12:27,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:12:27,732 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:12:27,732 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-28 11:12:27,739 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:12:27,740 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:12:27,740 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:12:27,741 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:12:27,741 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:12:27,741 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:12:27,741 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:12:27,742 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:12:27,742 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:12:27,742 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:12:27,742 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:12:27,742 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:12:27,742 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:12:27,742 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:12:27,742 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 11:12:27,743 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:12:27,743 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:12:27,743 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:12:27,743 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:12:27,743 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:12:27,744 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:12:27,744 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:12:27,744 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:12:27,744 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:12:27,744 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:12:27,744 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:12:27,744 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:12:27,745 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:12:27,745 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:12:27,745 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_781bcc03-26a0-45cc-aa72-b3c1c576c248/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 -> ebb74e337af9534aacfcb2a7a413bdbed21e04b2 [2018-11-28 11:12:27,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:12:27,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:12:27,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:12:27,783 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:12:27,784 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:12:27,784 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-28 11:12:27,825 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/bin-2019/uautomizer/data/f69e7c7ac/5c5a3d337ebe49688bd8ef5e35f088a8/FLAGb01a85ec4 [2018-11-28 11:12:28,164 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:12:28,164 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-28 11:12:28,170 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/bin-2019/uautomizer/data/f69e7c7ac/5c5a3d337ebe49688bd8ef5e35f088a8/FLAGb01a85ec4 [2018-11-28 11:12:28,597 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/bin-2019/uautomizer/data/f69e7c7ac/5c5a3d337ebe49688bd8ef5e35f088a8 [2018-11-28 11:12:28,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:12:28,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:12:28,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:12:28,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:12:28,604 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:12:28,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:12:28" (1/1) ... [2018-11-28 11:12:28,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a7765c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28, skipping insertion in model container [2018-11-28 11:12:28,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:12:28" (1/1) ... [2018-11-28 11:12:28,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:12:28,621 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:12:28,720 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:12:28,723 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:12:28,733 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:12:28,741 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:12:28,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28 WrapperNode [2018-11-28 11:12:28,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:12:28,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:12:28,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:12:28,742 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:12:28,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28" (1/1) ... [2018-11-28 11:12:28,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28" (1/1) ... [2018-11-28 11:12:28,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:12:28,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:12:28,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:12:28,756 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:12:28,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28" (1/1) ... [2018-11-28 11:12:28,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28" (1/1) ... [2018-11-28 11:12:28,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28" (1/1) ... [2018-11-28 11:12:28,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28" (1/1) ... [2018-11-28 11:12:28,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28" (1/1) ... [2018-11-28 11:12:28,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28" (1/1) ... [2018-11-28 11:12:28,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28" (1/1) ... [2018-11-28 11:12:28,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:12:28,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:12:28,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:12:28,770 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:12:28,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/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 [2018-11-28 11:12:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:12:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:12:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:12:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:12:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:12:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:12:28,970 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:12:28,970 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 11:12:28,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:12:28 BoogieIcfgContainer [2018-11-28 11:12:28,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:12:28,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:12:28,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:12:28,974 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:12:28,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:12:28" (1/3) ... [2018-11-28 11:12:28,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4899ebef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:12:28, skipping insertion in model container [2018-11-28 11:12:28,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:28" (2/3) ... [2018-11-28 11:12:28,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4899ebef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:12:28, skipping insertion in model container [2018-11-28 11:12:28,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:12:28" (3/3) ... [2018-11-28 11:12:28,978 INFO L112 eAbstractionObserver]: Analyzing ICFG LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-28 11:12:28,986 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:12:28,993 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-11-28 11:12:29,007 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2018-11-28 11:12:29,032 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:12:29,033 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:12:29,033 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:12:29,033 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:12:29,033 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:12:29,033 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:12:29,034 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:12:29,034 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:12:29,034 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:12:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-28 11:12:29,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-28 11:12:29,053 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:12:29,054 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:12:29,056 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:12:29,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:29,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2124406845, now seen corresponding path program 1 times [2018-11-28 11:12:29,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:12:29,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:12:29,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:29,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:12:29,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:12:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:12:29,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:12:29,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:12:29,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:12:29,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:12:29,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:12:29,220 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-11-28 11:12:29,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:12:29,349 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2018-11-28 11:12:29,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:12:29,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-28 11:12:29,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:12:29,357 INFO L225 Difference]: With dead ends: 50 [2018-11-28 11:12:29,357 INFO L226 Difference]: Without dead ends: 35 [2018-11-28 11:12:29,360 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 [2018-11-28 11:12:29,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-28 11:12:29,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 21. [2018-11-28 11:12:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-28 11:12:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-11-28 11:12:29,385 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 8 [2018-11-28 11:12:29,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:12:29,385 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-11-28 11:12:29,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:12:29,385 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-28 11:12:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-28 11:12:29,386 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:12:29,386 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:12:29,386 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:12:29,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:29,386 INFO L82 PathProgramCache]: Analyzing trace with hash -2124406525, now seen corresponding path program 1 times [2018-11-28 11:12:29,386 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:12:29,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:12:29,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:29,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:12:29,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:12:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:12:29,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:12:29,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:12:29,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:12:29,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:12:29,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:12:29,422 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2018-11-28 11:12:29,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:12:29,511 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-11-28 11:12:29,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:12:29,511 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-28 11:12:29,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:12:29,512 INFO L225 Difference]: With dead ends: 35 [2018-11-28 11:12:29,512 INFO L226 Difference]: Without dead ends: 33 [2018-11-28 11:12:29,513 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 [2018-11-28 11:12:29,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-28 11:12:29,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 19. [2018-11-28 11:12:29,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-28 11:12:29,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-11-28 11:12:29,516 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 8 [2018-11-28 11:12:29,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:12:29,517 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2018-11-28 11:12:29,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:12:29,517 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-28 11:12:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 11:12:29,517 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:12:29,517 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:12:29,518 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:12:29,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:29,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1432102705, now seen corresponding path program 1 times [2018-11-28 11:12:29,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:12:29,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:12:29,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:29,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:12:29,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:12:29,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:12:29,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:12:29,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:12:29,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:12:29,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:12:29,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:12:29,545 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 4 states. [2018-11-28 11:12:29,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:12:29,570 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-11-28 11:12:29,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:12:29,570 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-28 11:12:29,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:12:29,571 INFO L225 Difference]: With dead ends: 19 [2018-11-28 11:12:29,571 INFO L226 Difference]: Without dead ends: 17 [2018-11-28 11:12:29,571 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 [2018-11-28 11:12:29,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-28 11:12:29,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-28 11:12:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-28 11:12:29,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-11-28 11:12:29,573 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 9 [2018-11-28 11:12:29,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:12:29,573 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-11-28 11:12:29,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:12:29,573 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-28 11:12:29,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 11:12:29,574 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:12:29,574 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:12:29,574 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 11:12:29,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:12:29,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1432092775, now seen corresponding path program 1 times [2018-11-28 11:12:29,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:12:29,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:12:29,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:29,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:12:29,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:12:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:12:29,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:12:29,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:12:29,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:12:29,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:12:29,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:12:29,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:12:29,596 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 4 states. [2018-11-28 11:12:29,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:12:29,630 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2018-11-28 11:12:29,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:12:29,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-28 11:12:29,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:12:29,631 INFO L225 Difference]: With dead ends: 17 [2018-11-28 11:12:29,631 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:12:29,632 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 [2018-11-28 11:12:29,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:12:29,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:12:29,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:12:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:12:29,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-11-28 11:12:29,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:12:29,633 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:12:29,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:12:29,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:12:29,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:12:29,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:12:29,677 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-28 11:12:29,677 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:12:29,677 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:12:29,677 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 11:12:29,677 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:12:29,677 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:12:29,677 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 13 25) no Hoare annotation was computed. [2018-11-28 11:12:29,677 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-28 11:12:29,678 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-28 11:12:29,678 INFO L448 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-11-28 11:12:29,678 INFO L448 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-28 11:12:29,678 INFO L448 ceAbstractionStarter]: For program point L21-2(line 21) no Hoare annotation was computed. [2018-11-28 11:12:29,678 INFO L448 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-11-28 11:12:29,678 INFO L448 ceAbstractionStarter]: For program point L21-3(line 21) no Hoare annotation was computed. [2018-11-28 11:12:29,678 INFO L448 ceAbstractionStarter]: For program point L19-2(line 19) no Hoare annotation was computed. [2018-11-28 11:12:29,678 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-11-28 11:12:29,678 INFO L448 ceAbstractionStarter]: For program point L19-3(line 19) no Hoare annotation was computed. [2018-11-28 11:12:29,678 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 17 23) no Hoare annotation was computed. [2018-11-28 11:12:29,679 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-28 11:12:29,679 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 13 25) no Hoare annotation was computed. [2018-11-28 11:12:29,679 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-11-28 11:12:29,679 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-28 11:12:29,679 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 13 25) the Hoare annotation is: true [2018-11-28 11:12:29,679 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. [2018-11-28 11:12:29,679 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-28 11:12:29,679 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-11-28 11:12:29,680 INFO L444 ceAbstractionStarter]: At program point L18-2(lines 17 23) the Hoare annotation is: (and (<= main_~y~0 2147483647) (<= main_~q~0 2147483647) (<= 0 (+ main_~y~0 2147483648))) [2018-11-28 11:12:29,680 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-11-28 11:12:29,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:12:29 BoogieIcfgContainer [2018-11-28 11:12:29,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:12:29,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:12:29,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:12:29,689 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:12:29,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:12:28" (3/4) ... [2018-11-28 11:12:29,691 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:12:29,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:12:29,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:12:29,699 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 11:12:29,699 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 11:12:29,699 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:12:29,730 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_781bcc03-26a0-45cc-aa72-b3c1c576c248/bin-2019/uautomizer/witness.graphml [2018-11-28 11:12:29,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:12:29,731 INFO L168 Benchmark]: Toolchain (without parser) took 1130.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -97.5 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:12:29,731 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-11-28 11:12:29,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.83 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:12:29,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.67 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:12:29,732 INFO L168 Benchmark]: Boogie Preprocessor took 13.39 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:12:29,732 INFO L168 Benchmark]: RCFGBuilder took 201.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:12:29,733 INFO L168 Benchmark]: TraceAbstraction took 717.00 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: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:12:29,733 INFO L168 Benchmark]: Witness Printer took 41.50 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:12:29,735 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 140.83 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.67 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.39 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 201.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -182.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 717.00 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: 70.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 11.5 GB. * Witness Printer took 41.50 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (y <= 2147483647 && q <= 2147483647) && 0 <= y + 2147483648 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 8 error locations. SAFE Result, 0.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 33 SDtfs, 102 SDslu, 40 SDs, 0 SdLazy, 115 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 16 HoareAnnotationTreeSize, 5 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...