./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/bitvector/gcd_2_true-unreach-call_true-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_2_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/bin-2019/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/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 32bit --witnessprinter.graph.data.programhash ca12b384c8180063e3f1c5738f7063e9219b0df5 ............................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:54:44,451 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:54:44,452 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:54:44,460 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:54:44,460 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:54:44,461 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:54:44,462 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:54:44,463 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:54:44,464 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:54:44,464 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:54:44,465 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:54:44,465 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:54:44,466 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:54:44,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:54:44,467 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:54:44,467 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:54:44,468 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:54:44,469 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:54:44,470 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:54:44,471 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:54:44,472 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:54:44,472 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:54:44,474 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:54:44,474 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:54:44,474 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:54:44,475 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:54:44,475 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:54:44,476 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:54:44,476 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:54:44,477 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:54:44,477 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:54:44,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:54:44,478 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:54:44,478 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:54:44,478 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:54:44,479 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:54:44,479 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/bin-2019/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2018-11-10 05:54:44,488 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:54:44,488 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:54:44,489 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:54:44,489 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:54:44,489 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:54:44,490 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:54:44,490 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:54:44,490 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:54:44,490 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:54:44,490 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:54:44,490 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:54:44,490 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:54:44,490 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:54:44,491 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:54:44,491 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:54:44,491 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:54:44,491 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 05:54:44,491 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:54:44,491 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:54:44,491 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:54:44,491 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:54:44,492 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:54:44,492 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:54:44,492 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:54:44,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:54:44,492 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:54:44,492 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:54:44,492 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:54:44,492 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:54:44,493 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:54:44,493 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:54:44,493 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_cf23f461-9f74-48e8-a4dd-26b6b5df000e/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca12b384c8180063e3f1c5738f7063e9219b0df5 [2018-11-10 05:54:44,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:54:44,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:54:44,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:54:44,530 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:54:44,530 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:54:44,531 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/gcd_2_true-unreach-call_true-no-overflow.i [2018-11-10 05:54:44,568 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/bin-2019/uautomizer/data/d579f4b4a/cb64d38a6736452ea227b6013d9427b0/FLAG4985d42c4 [2018-11-10 05:54:44,961 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:54:44,961 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/sv-benchmarks/c/bitvector/gcd_2_true-unreach-call_true-no-overflow.i [2018-11-10 05:54:44,965 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/bin-2019/uautomizer/data/d579f4b4a/cb64d38a6736452ea227b6013d9427b0/FLAG4985d42c4 [2018-11-10 05:54:44,973 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/bin-2019/uautomizer/data/d579f4b4a/cb64d38a6736452ea227b6013d9427b0 [2018-11-10 05:54:44,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:54:44,976 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:54:44,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:54:44,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:54:44,979 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:54:44,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:54:44" (1/1) ... [2018-11-10 05:54:44,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7e98ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:44, skipping insertion in model container [2018-11-10 05:54:44,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:54:44" (1/1) ... [2018-11-10 05:54:44,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:54:44,999 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:54:45,096 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:54:45,098 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:54:45,109 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:54:45,119 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:54:45,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:45 WrapperNode [2018-11-10 05:54:45,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:54:45,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:54:45,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:54:45,120 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:54:45,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:45" (1/1) ... [2018-11-10 05:54:45,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:45" (1/1) ... [2018-11-10 05:54:45,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:45" (1/1) ... [2018-11-10 05:54:45,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:45" (1/1) ... [2018-11-10 05:54:45,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:45" (1/1) ... [2018-11-10 05:54:45,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:45" (1/1) ... [2018-11-10 05:54:45,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:45" (1/1) ... [2018-11-10 05:54:45,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:54:45,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:54:45,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:54:45,139 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:54:45,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/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 [2018-11-10 05:54:45,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:54:45,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:54:45,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 05:54:45,232 INFO L138 BoogieDeclarations]: Found implementation of procedure gcd_test [2018-11-10 05:54:45,232 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:54:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 05:54:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-10 05:54:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 05:54:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure gcd_test [2018-11-10 05:54:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:54:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:54:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:54:45,395 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:54:45,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:54:45 BoogieIcfgContainer [2018-11-10 05:54:45,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:54:45,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:54:45,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:54:45,399 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:54:45,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:54:44" (1/3) ... [2018-11-10 05:54:45,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed31394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:54:45, skipping insertion in model container [2018-11-10 05:54:45,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:54:45" (2/3) ... [2018-11-10 05:54:45,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed31394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:54:45, skipping insertion in model container [2018-11-10 05:54:45,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:54:45" (3/3) ... [2018-11-10 05:54:45,401 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_2_true-unreach-call_true-no-overflow.i [2018-11-10 05:54:45,408 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:54:45,412 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-10 05:54:45,421 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-10 05:54:45,440 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:54:45,441 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:54:45,441 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:54:45,441 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:54:45,441 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:54:45,441 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:54:45,441 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:54:45,441 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:54:45,441 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:54:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2018-11-10 05:54:45,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 05:54:45,456 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:54:45,456 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:54:45,458 INFO L424 AbstractCegarLoop]: === Iteration 1 === [gcd_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:54:45,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:54:45,462 INFO L82 PathProgramCache]: Analyzing trace with hash -2077107047, now seen corresponding path program 1 times [2018-11-10 05:54:45,463 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:54:45,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:54:45,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:54:45,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:54:45,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:54:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:54:45,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:54:45,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:54:45,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 05:54:45,580 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 05:54:45,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 05:54:45,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 05:54:45,592 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 5 states. [2018-11-10 05:54:45,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:54:45,656 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2018-11-10 05:54:45,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 05:54:45,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-11-10 05:54:45,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:54:45,662 INFO L225 Difference]: With dead ends: 56 [2018-11-10 05:54:45,662 INFO L226 Difference]: Without dead ends: 16 [2018-11-10 05:54:45,665 INFO L605 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 [2018-11-10 05:54:45,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-10 05:54:45,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-10 05:54:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-10 05:54:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-11-10 05:54:45,686 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2018-11-10 05:54:45,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:54:45,686 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-11-10 05:54:45,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 05:54:45,686 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-11-10 05:54:45,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 05:54:45,687 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:54:45,687 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:54:45,687 INFO L424 AbstractCegarLoop]: === Iteration 2 === [gcd_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:54:45,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:54:45,687 INFO L82 PathProgramCache]: Analyzing trace with hash 34197068, now seen corresponding path program 1 times [2018-11-10 05:54:45,687 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:54:45,688 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:54:45,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:54:45,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:54:45,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:54:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:54:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:54:45,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:54:45,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 05:54:45,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 05:54:45,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 05:54:45,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 05:54:45,727 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 5 states. [2018-11-10 05:54:45,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:54:45,757 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-11-10 05:54:45,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 05:54:45,757 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-10 05:54:45,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:54:45,758 INFO L225 Difference]: With dead ends: 16 [2018-11-10 05:54:45,758 INFO L226 Difference]: Without dead ends: 15 [2018-11-10 05:54:45,759 INFO L605 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 [2018-11-10 05:54:45,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-10 05:54:45,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-10 05:54:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-10 05:54:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-11-10 05:54:45,761 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 10 [2018-11-10 05:54:45,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:54:45,762 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-11-10 05:54:45,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 05:54:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-11-10 05:54:45,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 05:54:45,762 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:54:45,762 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:54:45,762 INFO L424 AbstractCegarLoop]: === Iteration 3 === [gcd_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:54:45,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:54:45,763 INFO L82 PathProgramCache]: Analyzing trace with hash 34191046, now seen corresponding path program 1 times [2018-11-10 05:54:45,763 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:54:45,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:54:45,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:54:45,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:54:45,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:54:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:54:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:54:45,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:54:45,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:54:45,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 05:54:45,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:54:45,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:54:45,793 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 3 states. [2018-11-10 05:54:45,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:54:45,803 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-11-10 05:54:45,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 05:54:45,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-10 05:54:45,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:54:45,804 INFO L225 Difference]: With dead ends: 15 [2018-11-10 05:54:45,804 INFO L226 Difference]: Without dead ends: 14 [2018-11-10 05:54:45,804 INFO L605 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 [2018-11-10 05:54:45,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-11-10 05:54:45,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-11-10 05:54:45,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-10 05:54:45,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-11-10 05:54:45,807 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10 [2018-11-10 05:54:45,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:54:45,807 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-11-10 05:54:45,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 05:54:45,807 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-10 05:54:45,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:54:45,808 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:54:45,808 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:54:45,808 INFO L424 AbstractCegarLoop]: === Iteration 4 === [gcd_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, gcd_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:54:45,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:54:45,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1060109181, now seen corresponding path program 1 times [2018-11-10 05:54:45,808 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:54:45,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:54:45,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:54:45,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:54:45,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:54:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:54:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:54:45,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:54:45,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:54:45,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 05:54:45,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:54:45,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:54:45,828 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 3 states. [2018-11-10 05:54:45,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:54:45,839 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-11-10 05:54:45,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 05:54:45,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-10 05:54:45,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:54:45,840 INFO L225 Difference]: With dead ends: 14 [2018-11-10 05:54:45,840 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 05:54:45,840 INFO L605 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 [2018-11-10 05:54:45,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 05:54:45,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 05:54:45,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 05:54:45,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 05:54:45,841 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-11-10 05:54:45,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:54:45,841 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:54:45,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 05:54:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 05:54:45,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:54:45,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 05:54:45,871 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 05:54:45,871 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:54:45,871 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:54:45,871 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 05:54:45,871 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:54:45,871 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:54:45,871 INFO L425 ceAbstractionStarter]: For program point L34-1(lines 34 36) no Hoare annotation was computed. [2018-11-10 05:54:45,872 INFO L421 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (and (<= 0 (+ main_~x~0 128)) (<= 0 (+ main_~y~0 128))) [2018-11-10 05:54:45,872 INFO L425 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2018-11-10 05:54:45,872 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 26 39) the Hoare annotation is: true [2018-11-10 05:54:45,872 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 26 39) no Hoare annotation was computed. [2018-11-10 05:54:45,872 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 26 39) no Hoare annotation was computed. [2018-11-10 05:54:45,872 INFO L421 ceAbstractionStarter]: At program point L35(line 35) the Hoare annotation is: (<= 0 (+ main_~x~0 128)) [2018-11-10 05:54:45,872 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2018-11-10 05:54:45,872 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-11-10 05:54:45,872 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-10 05:54:45,873 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-10 05:54:45,873 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-10 05:54:45,873 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-11-10 05:54:45,873 INFO L425 ceAbstractionStarter]: For program point gcd_testErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2018-11-10 05:54:45,873 INFO L425 ceAbstractionStarter]: For program point gcd_testEXIT(lines 10 23) no Hoare annotation was computed. [2018-11-10 05:54:45,873 INFO L425 ceAbstractionStarter]: For program point L17(lines 17 21) no Hoare annotation was computed. [2018-11-10 05:54:45,873 INFO L425 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-11-10 05:54:45,873 INFO L425 ceAbstractionStarter]: For program point L17-2(lines 11 23) no Hoare annotation was computed. [2018-11-10 05:54:45,873 INFO L425 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2018-11-10 05:54:45,873 INFO L425 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2018-11-10 05:54:45,874 INFO L425 ceAbstractionStarter]: For program point gcd_testErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2018-11-10 05:54:45,874 INFO L428 ceAbstractionStarter]: At program point gcd_testENTRY(lines 10 23) the Hoare annotation is: true [2018-11-10 05:54:45,874 INFO L425 ceAbstractionStarter]: For program point gcd_testErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2018-11-10 05:54:45,874 INFO L425 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-11-10 05:54:45,874 INFO L425 ceAbstractionStarter]: For program point L14-1(line 14) no Hoare annotation was computed. [2018-11-10 05:54:45,874 INFO L425 ceAbstractionStarter]: For program point L14-2(line 14) no Hoare annotation was computed. [2018-11-10 05:54:45,874 INFO L425 ceAbstractionStarter]: For program point L14-4(lines 11 23) no Hoare annotation was computed. [2018-11-10 05:54:45,874 INFO L425 ceAbstractionStarter]: For program point gcd_testErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2018-11-10 05:54:45,874 INFO L425 ceAbstractionStarter]: For program point gcd_testFINAL(lines 10 23) no Hoare annotation was computed. [2018-11-10 05:54:45,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:54:45 BoogieIcfgContainer [2018-11-10 05:54:45,877 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:54:45,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:54:45,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:54:45,878 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:54:45,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:54:45" (3/4) ... [2018-11-10 05:54:45,881 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:54:45,886 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 05:54:45,886 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 05:54:45,886 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 05:54:45,886 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure gcd_test [2018-11-10 05:54:45,890 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 05:54:45,890 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:54:45,890 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:54:45,922 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cf23f461-9f74-48e8-a4dd-26b6b5df000e/bin-2019/uautomizer/witness.graphml [2018-11-10 05:54:45,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:54:45,923 INFO L168 Benchmark]: Toolchain (without parser) took 946.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:54:45,924 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-11-10 05:54:45,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.85 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:54:45,924 INFO L168 Benchmark]: Boogie Preprocessor took 18.50 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:54:45,925 INFO L168 Benchmark]: RCFGBuilder took 256.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -206.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:54:45,925 INFO L168 Benchmark]: TraceAbstraction took 481.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:54:45,925 INFO L168 Benchmark]: Witness Printer took 44.46 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:54:45,927 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.85 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 946.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.50 ms. Allocated memory is still 1.0 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 256.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 946.3 MB in the beginning and 1.2 GB in the end (delta: -206.0 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 481.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. * Witness Printer took 44.46 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 35 locations, 4 error locations. SAFE Result, 0.4s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 63 SDtfs, 53 SDslu, 101 SDs, 0 SdLazy, 36 SolverSat, 3 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred 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, 8 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 22 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 786 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...