./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ebb74e337af9534aacfcb2a7a413bdbed21e04b2 .......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:29:51,657 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:29:51,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:29:51,664 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:29:51,664 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:29:51,665 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:29:51,665 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:29:51,666 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:29:51,667 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:29:51,668 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:29:51,668 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:29:51,668 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:29:51,669 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:29:51,669 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:29:51,670 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:29:51,670 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:29:51,670 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:29:51,671 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:29:51,673 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:29:51,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:29:51,674 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:29:51,675 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:29:51,676 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:29:51,676 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:29:51,676 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:29:51,677 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:29:51,677 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:29:51,678 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:29:51,678 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:29:51,679 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:29:51,679 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:29:51,679 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:29:51,680 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:29:51,680 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:29:51,680 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:29:51,681 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:29:51,681 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-10 12:29:51,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:29:51,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:29:51,689 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:29:51,689 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:29:51,689 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:29:51,690 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:29:51,690 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:29:51,690 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:29:51,690 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:29:51,690 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:29:51,690 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:29:51,690 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:29:51,690 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:29:51,691 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:29:51,691 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 12:29:51,691 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:29:51,691 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:29:51,691 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:29:51,691 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:29:51,691 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:29:51,692 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:29:51,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:29:51,692 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:29:51,692 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:29:51,692 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:29:51,692 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:29:51,692 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:29:51,692 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:29:51,693 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_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebb74e337af9534aacfcb2a7a413bdbed21e04b2 [2018-11-10 12:29:51,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:29:51,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:29:51,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:29:51,730 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:29:51,730 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:29:51,730 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-10 12:29:51,771 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer/data/cadb2dfe7/3cf7b38fac2d4c459340d7494c208cba/FLAG45c3ae4b0 [2018-11-10 12:29:52,081 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:29:52,082 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-10 12:29:52,087 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer/data/cadb2dfe7/3cf7b38fac2d4c459340d7494c208cba/FLAG45c3ae4b0 [2018-11-10 12:29:52,099 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer/data/cadb2dfe7/3cf7b38fac2d4c459340d7494c208cba [2018-11-10 12:29:52,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:29:52,103 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:29:52,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:29:52,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:29:52,107 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:29:52,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:29:52" (1/1) ... [2018-11-10 12:29:52,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784dcdd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:52, skipping insertion in model container [2018-11-10 12:29:52,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:29:52" (1/1) ... [2018-11-10 12:29:52,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:29:52,132 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:29:52,238 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:29:52,240 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:29:52,249 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:29:52,257 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:29:52,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:52 WrapperNode [2018-11-10 12:29:52,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:29:52,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:29:52,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:29:52,258 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:29:52,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:52" (1/1) ... [2018-11-10 12:29:52,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:52" (1/1) ... [2018-11-10 12:29:52,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:52" (1/1) ... [2018-11-10 12:29:52,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:52" (1/1) ... [2018-11-10 12:29:52,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:52" (1/1) ... [2018-11-10 12:29:52,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:52" (1/1) ... [2018-11-10 12:29:52,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:52" (1/1) ... [2018-11-10 12:29:52,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:29:52,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:29:52,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:29:52,274 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:29:52,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/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 12:29:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:29:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:29:52,307 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:29:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 12:29:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:29:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:29:52,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:29:52,443 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:29:52,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:29:52 BoogieIcfgContainer [2018-11-10 12:29:52,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:29:52,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:29:52,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:29:52,447 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:29:52,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:29:52" (1/3) ... [2018-11-10 12:29:52,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43676731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:29:52, skipping insertion in model container [2018-11-10 12:29:52,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:29:52" (2/3) ... [2018-11-10 12:29:52,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43676731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:29:52, skipping insertion in model container [2018-11-10 12:29:52,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:29:52" (3/3) ... [2018-11-10 12:29:52,450 INFO L112 eAbstractionObserver]: Analyzing ICFG LeikeHeizmann-TACAS2014-Ex1_true-termination_true-no-overflow.c [2018-11-10 12:29:52,457 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:29:52,463 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-11-10 12:29:52,476 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2018-11-10 12:29:52,499 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:29:52,499 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:29:52,499 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:29:52,499 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:29:52,499 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:29:52,500 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:29:52,500 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:29:52,500 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:29:52,500 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:29:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-11-10 12:29:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 12:29:52,518 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:29:52,519 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:29:52,520 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 12:29:52,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:29:52,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1971392051, now seen corresponding path program 1 times [2018-11-10 12:29:52,527 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:29:52,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:29:52,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:29:52,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:29:52,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:29:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:29:52,634 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 12:29:52,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:29:52,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:29:52,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:29:52,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:29:52,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:29:52,648 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 4 states. [2018-11-10 12:29:52,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:29:52,748 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2018-11-10 12:29:52,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:29:52,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-10 12:29:52,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:29:52,755 INFO L225 Difference]: With dead ends: 52 [2018-11-10 12:29:52,756 INFO L226 Difference]: Without dead ends: 37 [2018-11-10 12:29:52,758 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:29:52,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-10 12:29:52,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 22. [2018-11-10 12:29:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-10 12:29:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2018-11-10 12:29:52,781 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 9 [2018-11-10 12:29:52,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:29:52,781 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2018-11-10 12:29:52,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:29:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-11-10 12:29:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 12:29:52,782 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:29:52,782 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:29:52,782 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 12:29:52,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:29:52,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1971392371, now seen corresponding path program 1 times [2018-11-10 12:29:52,782 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:29:52,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:29:52,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:29:52,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:29:52,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:29:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:29:52,814 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 12:29:52,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:29:52,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:29:52,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:29:52,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:29:52,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:29:52,816 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 4 states. [2018-11-10 12:29:52,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:29:52,902 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2018-11-10 12:29:52,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:29:52,902 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-10 12:29:52,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:29:52,903 INFO L225 Difference]: With dead ends: 37 [2018-11-10 12:29:52,903 INFO L226 Difference]: Without dead ends: 35 [2018-11-10 12:29:52,904 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:29:52,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-10 12:29:52,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 20. [2018-11-10 12:29:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-10 12:29:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2018-11-10 12:29:52,908 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 9 [2018-11-10 12:29:52,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:29:52,908 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2018-11-10 12:29:52,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:29:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-11-10 12:29:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 12:29:52,909 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:29:52,909 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:29:52,909 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 12:29:52,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:29:52,910 INFO L82 PathProgramCache]: Analyzing trace with hash 983611488, now seen corresponding path program 1 times [2018-11-10 12:29:52,910 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:29:52,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:29:52,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:29:52,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:29:52,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:29:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:29:52,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:29:52,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:29:52,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:29:52,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:29:52,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:29:52,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:29:52,950 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 4 states. [2018-11-10 12:29:52,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:29:52,987 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2018-11-10 12:29:52,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 12:29:52,988 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-11-10 12:29:52,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:29:52,989 INFO L225 Difference]: With dead ends: 20 [2018-11-10 12:29:52,989 INFO L226 Difference]: Without dead ends: 18 [2018-11-10 12:29:52,989 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:29:52,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-10 12:29:52,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-10 12:29:52,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-10 12:29:52,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2018-11-10 12:29:52,992 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 10 [2018-11-10 12:29:52,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:29:52,992 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2018-11-10 12:29:52,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:29:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-11-10 12:29:52,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 12:29:52,993 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:29:52,993 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:29:52,993 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 12:29:52,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:29:52,993 INFO L82 PathProgramCache]: Analyzing trace with hash 983621418, now seen corresponding path program 1 times [2018-11-10 12:29:52,994 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:29:52,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:29:52,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:29:52,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:29:52,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:29:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:29:53,013 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 12:29:53,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:29:53,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:29:53,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:29:53,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:29:53,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:29:53,014 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 4 states. [2018-11-10 12:29:53,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:29:53,036 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2018-11-10 12:29:53,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 12:29:53,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-11-10 12:29:53,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:29:53,036 INFO L225 Difference]: With dead ends: 18 [2018-11-10 12:29:53,036 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 12:29:53,037 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:29:53,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 12:29:53,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 12:29:53,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 12:29:53,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 12:29:53,038 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-10 12:29:53,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:29:53,038 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:29:53,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:29:53,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 12:29:53,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:29:53,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 12:29:53,085 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 12:29:53,085 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:29:53,085 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:29:53,085 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 12:29:53,085 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:29:53,085 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:29:53,085 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-10 12:29:53,085 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 25) no Hoare annotation was computed. [2018-11-10 12:29:53,086 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-10 12:29:53,086 INFO L425 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-11-10 12:29:53,086 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-10 12:29:53,086 INFO L425 ceAbstractionStarter]: For program point L21-2(line 21) no Hoare annotation was computed. [2018-11-10 12:29:53,086 INFO L425 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-11-10 12:29:53,086 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-10 12:29:53,086 INFO L425 ceAbstractionStarter]: For program point L21-3(line 21) no Hoare annotation was computed. [2018-11-10 12:29:53,086 INFO L425 ceAbstractionStarter]: For program point L19-2(line 19) no Hoare annotation was computed. [2018-11-10 12:29:53,086 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 23) no Hoare annotation was computed. [2018-11-10 12:29:53,086 INFO L425 ceAbstractionStarter]: For program point L19-3(line 19) no Hoare annotation was computed. [2018-11-10 12:29:53,086 INFO L425 ceAbstractionStarter]: For program point L17-3(lines 17 23) no Hoare annotation was computed. [2018-11-10 12:29:53,087 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-11-10 12:29:53,087 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 25) no Hoare annotation was computed. [2018-11-10 12:29:53,087 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-11-10 12:29:53,087 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 25) the Hoare annotation is: true [2018-11-10 12:29:53,087 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-10 12:29:53,087 INFO L425 ceAbstractionStarter]: For program point L18(lines 18 22) no Hoare annotation was computed. [2018-11-10 12:29:53,087 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-11-10 12:29:53,087 INFO L421 ceAbstractionStarter]: At program point L18-2(lines 17 23) the Hoare annotation is: (and (<= main_~y~0 2147483647) (<= main_~q~0 2147483647) (<= 0 (+ main_~y~0 2147483648))) [2018-11-10 12:29:53,087 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-11-10 12:29:53,087 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2018-11-10 12:29:53,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:29:53 BoogieIcfgContainer [2018-11-10 12:29:53,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:29:53,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:29:53,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:29:53,096 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:29:53,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:29:52" (3/4) ... [2018-11-10 12:29:53,099 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:29:53,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 12:29:53,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 12:29:53,106 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 12:29:53,106 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 12:29:53,106 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 12:29:53,133 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b751f86c-27a8-44e1-89e4-5a49b21ff532/bin-2019/uautomizer/witness.graphml [2018-11-10 12:29:53,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:29:53,134 INFO L168 Benchmark]: Toolchain (without parser) took 1031.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -92.3 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:29:53,135 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:29:53,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.64 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:29:53,135 INFO L168 Benchmark]: Boogie Preprocessor took 15.97 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:29:53,135 INFO L168 Benchmark]: RCFGBuilder took 169.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:29:53,136 INFO L168 Benchmark]: TraceAbstraction took 651.13 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: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:29:53,136 INFO L168 Benchmark]: Witness Printer took 37.27 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:29:53,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.64 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.97 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 169.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -177.7 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 651.13 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: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. * Witness Printer took 37.27 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (y <= 2147483647 && q <= 2147483647) && 0 <= y + 2147483648 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 8 error locations. SAFE Result, 0.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 SDtfs, 104 SDslu, 46 SDs, 0 SdLazy, 115 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 16 HoareAnnotationTreeSize, 5 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 16 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 801 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...