./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/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 87d0ba70ff123101875b88252c232be93381362a ..................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:26:18,086 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:26:18,087 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:26:18,095 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:26:18,095 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:26:18,096 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:26:18,097 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:26:18,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:26:18,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:26:18,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:26:18,100 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:26:18,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:26:18,101 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:26:18,102 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:26:18,103 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:26:18,104 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:26:18,104 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:26:18,105 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:26:18,107 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:26:18,108 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:26:18,109 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:26:18,110 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:26:18,112 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:26:18,112 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:26:18,112 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:26:18,113 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:26:18,113 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:26:18,114 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:26:18,115 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:26:18,116 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:26:18,116 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:26:18,117 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:26:18,117 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:26:18,117 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:26:18,117 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:26:18,118 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:26:18,118 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-18 12:26:18,128 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:26:18,128 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:26:18,129 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:26:18,129 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:26:18,129 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:26:18,129 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:26:18,129 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:26:18,130 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:26:18,130 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:26:18,130 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:26:18,130 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:26:18,130 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:26:18,130 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:26:18,130 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:26:18,131 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 12:26:18,131 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:26:18,131 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:26:18,131 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:26:18,131 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:26:18,131 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:26:18,131 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:26:18,132 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:26:18,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:26:18,132 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:26:18,132 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:26:18,132 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:26:18,132 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:26:18,132 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:26:18,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:26:18,133 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_d09c3266-ceb7-4b3d-bf12-8376b15b7469/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 -> 87d0ba70ff123101875b88252c232be93381362a [2018-11-18 12:26:18,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:26:18,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:26:18,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:26:18,170 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:26:18,171 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:26:18,171 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/bin-2019/uautomizer/../../sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c [2018-11-18 12:26:18,210 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/bin-2019/uautomizer/data/282255b53/1fa45ca2181b420c9b2c5b2263b0274b/FLAG2c0ce09d0 [2018-11-18 12:26:18,529 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:26:18,529 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/sv-benchmarks/c/termination-numeric/LeUserDefRec_true-termination_true-no-overflow.c [2018-11-18 12:26:18,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/bin-2019/uautomizer/data/282255b53/1fa45ca2181b420c9b2c5b2263b0274b/FLAG2c0ce09d0 [2018-11-18 12:26:18,545 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/bin-2019/uautomizer/data/282255b53/1fa45ca2181b420c9b2c5b2263b0274b [2018-11-18 12:26:18,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:26:18,549 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:26:18,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:26:18,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:26:18,554 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:26:18,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:26:18" (1/1) ... [2018-11-18 12:26:18,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:18, skipping insertion in model container [2018-11-18 12:26:18,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:26:18" (1/1) ... [2018-11-18 12:26:18,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:26:18,583 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:26:18,717 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:26:18,719 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:26:18,730 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:26:18,739 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:26:18,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:18 WrapperNode [2018-11-18 12:26:18,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:26:18,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:26:18,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:26:18,740 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:26:18,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:18" (1/1) ... [2018-11-18 12:26:18,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:18" (1/1) ... [2018-11-18 12:26:18,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:18" (1/1) ... [2018-11-18 12:26:18,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:18" (1/1) ... [2018-11-18 12:26:18,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:18" (1/1) ... [2018-11-18 12:26:18,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:18" (1/1) ... [2018-11-18 12:26:18,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:18" (1/1) ... [2018-11-18 12:26:18,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:26:18,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:26:18,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:26:18,756 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:26:18,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/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 [2018-11-18 12:26:18,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:26:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:26:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:26:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure random [2018-11-18 12:26:18,829 INFO L138 BoogieDeclarations]: Found implementation of procedure le [2018-11-18 12:26:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:26:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure le [2018-11-18 12:26:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-18 12:26:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:26:18,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:26:18,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:26:18,954 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:26:18,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:26:18 BoogieIcfgContainer [2018-11-18 12:26:18,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:26:18,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:26:18,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:26:18,958 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:26:18,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:26:18" (1/3) ... [2018-11-18 12:26:18,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9bc799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:26:18, skipping insertion in model container [2018-11-18 12:26:18,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:26:18" (2/3) ... [2018-11-18 12:26:18,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9bc799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:26:18, skipping insertion in model container [2018-11-18 12:26:18,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:26:18" (3/3) ... [2018-11-18 12:26:18,960 INFO L112 eAbstractionObserver]: Analyzing ICFG LeUserDefRec_true-termination_true-no-overflow.c [2018-11-18 12:26:18,967 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:26:18,972 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-18 12:26:18,983 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-18 12:26:19,002 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:26:19,003 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:26:19,003 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:26:19,003 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:26:19,003 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:26:19,003 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:26:19,003 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:26:19,003 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:26:19,003 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:26:19,014 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-11-18 12:26:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:26:19,018 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:26:19,019 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:26:19,020 INFO L423 AbstractCegarLoop]: === Iteration 1 === [randomErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, randomErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:26:19,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:26:19,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1401523646, now seen corresponding path program 1 times [2018-11-18 12:26:19,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:26:19,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:26:19,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:19,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:26:19,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:19,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:19,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:26:19,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:26:19,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:26:19,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:26:19,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:26:19,160 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2018-11-18 12:26:19,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:26:19,239 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2018-11-18 12:26:19,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:26:19,241 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-18 12:26:19,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:26:19,246 INFO L225 Difference]: With dead ends: 27 [2018-11-18 12:26:19,246 INFO L226 Difference]: Without dead ends: 18 [2018-11-18 12:26:19,248 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:26:19,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-18 12:26:19,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-18 12:26:19,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 12:26:19,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-11-18 12:26:19,275 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2018-11-18 12:26:19,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:26:19,276 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-11-18 12:26:19,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:26:19,276 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-11-18 12:26:19,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:26:19,276 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:26:19,276 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:26:19,277 INFO L423 AbstractCegarLoop]: === Iteration 2 === [randomErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, randomErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:26:19,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:26:19,277 INFO L82 PathProgramCache]: Analyzing trace with hash 497560114, now seen corresponding path program 1 times [2018-11-18 12:26:19,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:26:19,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:26:19,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:19,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:26:19,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:19,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:26:19,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:26:19,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:26:19,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:26:19,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:26:19,303 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 3 states. [2018-11-18 12:26:19,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:26:19,311 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-11-18 12:26:19,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:26:19,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-18 12:26:19,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:26:19,312 INFO L225 Difference]: With dead ends: 18 [2018-11-18 12:26:19,312 INFO L226 Difference]: Without dead ends: 17 [2018-11-18 12:26:19,312 INFO L604 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 [2018-11-18 12:26:19,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-18 12:26:19,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-18 12:26:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-18 12:26:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-11-18 12:26:19,315 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 12 [2018-11-18 12:26:19,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:26:19,315 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-11-18 12:26:19,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:26:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-18 12:26:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:26:19,316 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:26:19,316 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:26:19,317 INFO L423 AbstractCegarLoop]: === Iteration 3 === [randomErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, randomErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:26:19,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:26:19,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1755505600, now seen corresponding path program 1 times [2018-11-18 12:26:19,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:26:19,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:26:19,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:19,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:26:19,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:19,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:26:19,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:26:19,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:26:19,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:26:19,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:26:19,361 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 5 states. [2018-11-18 12:26:19,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:26:19,386 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-11-18 12:26:19,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:26:19,387 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-18 12:26:19,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:26:19,388 INFO L225 Difference]: With dead ends: 17 [2018-11-18 12:26:19,388 INFO L226 Difference]: Without dead ends: 16 [2018-11-18 12:26:19,388 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:26:19,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-18 12:26:19,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-18 12:26:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 12:26:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-11-18 12:26:19,391 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2018-11-18 12:26:19,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:26:19,391 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-11-18 12:26:19,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:26:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-11-18 12:26:19,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:26:19,392 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:26:19,392 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:26:19,392 INFO L423 AbstractCegarLoop]: === Iteration 4 === [randomErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, randomErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:26:19,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:26:19,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1413901300, now seen corresponding path program 1 times [2018-11-18 12:26:19,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:26:19,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:26:19,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:19,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:26:19,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:26:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:26:19,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:26:19,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:26:19,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:26:19,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:26:19,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:26:19,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:26:19,417 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2018-11-18 12:26:19,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:26:19,421 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-11-18 12:26:19,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:26:19,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-18 12:26:19,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:26:19,422 INFO L225 Difference]: With dead ends: 16 [2018-11-18 12:26:19,422 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:26:19,423 INFO L604 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 [2018-11-18 12:26:19,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:26:19,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:26:19,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:26:19,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:26:19,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-11-18 12:26:19,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:26:19,424 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:26:19,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:26:19,424 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:26:19,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:26:19,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:26:19,496 INFO L425 ceAbstractionStarter]: For program point randomFINAL(lines 33 39) no Hoare annotation was computed. [2018-11-18 12:26:19,497 INFO L425 ceAbstractionStarter]: For program point randomErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2018-11-18 12:26:19,497 INFO L425 ceAbstractionStarter]: For program point randomEXIT(lines 33 39) no Hoare annotation was computed. [2018-11-18 12:26:19,497 INFO L425 ceAbstractionStarter]: For program point randomENTRY(lines 33 39) no Hoare annotation was computed. [2018-11-18 12:26:19,497 INFO L425 ceAbstractionStarter]: For program point randomErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2018-11-18 12:26:19,497 INFO L425 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-18 12:26:19,497 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2018-11-18 12:26:19,497 INFO L425 ceAbstractionStarter]: For program point L36-1(line 36) no Hoare annotation was computed. [2018-11-18 12:26:19,498 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 12:26:19,498 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:26:19,498 INFO L425 ceAbstractionStarter]: For program point leFINAL(lines 41 47) no Hoare annotation was computed. [2018-11-18 12:26:19,498 INFO L425 ceAbstractionStarter]: For program point leEXIT(lines 41 47) no Hoare annotation was computed. [2018-11-18 12:26:19,498 INFO L428 ceAbstractionStarter]: At program point leENTRY(lines 41 47) the Hoare annotation is: true [2018-11-18 12:26:19,499 INFO L425 ceAbstractionStarter]: For program point leErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2018-11-18 12:26:19,499 INFO L425 ceAbstractionStarter]: For program point leErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2018-11-18 12:26:19,499 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 12:26:19,499 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 46) no Hoare annotation was computed. [2018-11-18 12:26:19,499 INFO L425 ceAbstractionStarter]: For program point L43-1(line 43) no Hoare annotation was computed. [2018-11-18 12:26:19,499 INFO L425 ceAbstractionStarter]: For program point L43-2(line 43) no Hoare annotation was computed. [2018-11-18 12:26:19,499 INFO L425 ceAbstractionStarter]: For program point L43-3(line 43) no Hoare annotation was computed. [2018-11-18 12:26:19,499 INFO L421 ceAbstractionStarter]: At program point L43-4(line 43) the Hoare annotation is: (or (< 2147483647 |le_#in~y|) (and (<= le_~y 2147483647) (<= 1 le_~x) (<= le_~x 2147483647) (<= 1 le_~y)) (< 2147483647 |le_#in~x|)) [2018-11-18 12:26:19,500 INFO L425 ceAbstractionStarter]: For program point L43-5(line 43) no Hoare annotation was computed. [2018-11-18 12:26:19,500 INFO L425 ceAbstractionStarter]: For program point leErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2018-11-18 12:26:19,500 INFO L425 ceAbstractionStarter]: For program point leErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2018-11-18 12:26:19,500 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:26:19,500 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:26:19,500 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:26:19,500 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:26:19,500 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 21 31) the Hoare annotation is: true [2018-11-18 12:26:19,501 INFO L421 ceAbstractionStarter]: At program point L29(line 29) the Hoare annotation is: (and (<= main_~x~0 2147483647) (<= main_~y~0 2147483647)) [2018-11-18 12:26:19,501 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 21 31) no Hoare annotation was computed. [2018-11-18 12:26:19,501 INFO L425 ceAbstractionStarter]: For program point L29-1(line 29) no Hoare annotation was computed. [2018-11-18 12:26:19,501 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-18 12:26:19,501 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 21 31) no Hoare annotation was computed. [2018-11-18 12:26:19,501 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 24) no Hoare annotation was computed. [2018-11-18 12:26:19,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:26:19 BoogieIcfgContainer [2018-11-18 12:26:19,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:26:19,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:26:19,504 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:26:19,505 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:26:19,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:26:18" (3/4) ... [2018-11-18 12:26:19,508 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:26:19,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure random [2018-11-18 12:26:19,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:26:19,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure le [2018-11-18 12:26:19,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:26:19,519 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:26:19,519 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:26:19,519 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:26:19,552 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d09c3266-ceb7-4b3d-bf12-8376b15b7469/bin-2019/uautomizer/witness.graphml [2018-11-18 12:26:19,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:26:19,553 INFO L168 Benchmark]: Toolchain (without parser) took 1004.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -127.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:19,554 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:26:19,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.46 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:19,554 INFO L168 Benchmark]: Boogie Preprocessor took 15.66 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:19,555 INFO L168 Benchmark]: RCFGBuilder took 199.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:19,555 INFO L168 Benchmark]: TraceAbstraction took 548.52 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: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:19,555 INFO L168 Benchmark]: Witness Printer took 48.27 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:26:19,557 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 189.46 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.66 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 199.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 548.52 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: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.27 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 35 locations, 6 error locations. SAFE Result, 0.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 57 SDtfs, 42 SDslu, 75 SDs, 0 SdLazy, 46 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 34 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 970 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...