./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/oomInt.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/oomInt.c_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2763f76915d5cab2d6be4026b27ecbab3e16ac73 ........................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 14:55:17,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 14:55:17,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 14:55:17,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 14:55:17,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 14:55:17,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 14:55:17,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 14:55:17,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 14:55:17,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 14:55:17,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 14:55:17,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 14:55:17,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 14:55:17,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 14:55:17,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 14:55:17,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 14:55:17,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 14:55:17,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 14:55:17,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 14:55:17,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 14:55:17,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 14:55:17,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 14:55:17,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 14:55:17,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 14:55:17,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 14:55:17,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 14:55:17,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 14:55:17,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 14:55:17,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 14:55:17,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 14:55:17,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 14:55:17,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 14:55:17,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 14:55:17,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 14:55:17,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 14:55:17,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 14:55:17,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 14:55:17,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 14:55:17,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 14:55:17,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 14:55:17,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 14:55:17,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 14:55:17,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 14:55:17,616 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 14:55:17,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 14:55:17,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 14:55:17,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 14:55:17,620 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 14:55:17,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 14:55:17,621 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 14:55:17,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 14:55:17,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 14:55:17,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 14:55:17,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 14:55:17,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 14:55:17,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 14:55:17,625 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 14:55:17,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 14:55:17,625 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 14:55:17,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 14:55:17,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 14:55:17,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 14:55:17,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 14:55:17,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 14:55:17,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 14:55:17,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 14:55:17,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 14:55:17,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 14:55:17,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 14:55:17,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 14:55:17,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 14:55:17,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 14:55:17,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2763f76915d5cab2d6be4026b27ecbab3e16ac73 [2020-12-01 14:55:17,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 14:55:18,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 14:55:18,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 14:55:18,023 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 14:55:18,025 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 14:55:18,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/oomInt.c_1.i [2020-12-01 14:55:18,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/data/de0db0a19/736e46577f184a29890a0a656b9e8b48/FLAG6c14ae6bf [2020-12-01 14:55:18,865 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 14:55:18,866 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/sv-benchmarks/c/ldv-regression/oomInt.c_1.i [2020-12-01 14:55:18,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/data/de0db0a19/736e46577f184a29890a0a656b9e8b48/FLAG6c14ae6bf [2020-12-01 14:55:19,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/data/de0db0a19/736e46577f184a29890a0a656b9e8b48 [2020-12-01 14:55:19,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 14:55:19,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 14:55:19,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 14:55:19,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 14:55:19,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 14:55:19,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:55:19" (1/1) ... [2020-12-01 14:55:19,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159ee15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19, skipping insertion in model container [2020-12-01 14:55:19,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:55:19" (1/1) ... [2020-12-01 14:55:19,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 14:55:19,307 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 14:55:19,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:55:19,586 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 14:55:19,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 14:55:19,628 INFO L208 MainTranslator]: Completed translation [2020-12-01 14:55:19,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19 WrapperNode [2020-12-01 14:55:19,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 14:55:19,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 14:55:19,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 14:55:19,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 14:55:19,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19" (1/1) ... [2020-12-01 14:55:19,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19" (1/1) ... [2020-12-01 14:55:19,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 14:55:19,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 14:55:19,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 14:55:19,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 14:55:19,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19" (1/1) ... [2020-12-01 14:55:19,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19" (1/1) ... [2020-12-01 14:55:19,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19" (1/1) ... [2020-12-01 14:55:19,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19" (1/1) ... [2020-12-01 14:55:19,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19" (1/1) ... [2020-12-01 14:55:19,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19" (1/1) ... [2020-12-01 14:55:19,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19" (1/1) ... [2020-12-01 14:55:19,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 14:55:19,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 14:55:19,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 14:55:19,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 14:55:19,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/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 [2020-12-01 14:55:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 14:55:19,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 14:55:19,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 14:55:19,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 14:55:20,155 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 14:55:20,155 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-01 14:55:20,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:55:20 BoogieIcfgContainer [2020-12-01 14:55:20,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 14:55:20,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 14:55:20,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 14:55:20,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 14:55:20,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 02:55:19" (1/3) ... [2020-12-01 14:55:20,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7fd49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:55:20, skipping insertion in model container [2020-12-01 14:55:20,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:55:19" (2/3) ... [2020-12-01 14:55:20,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c7fd49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 02:55:20, skipping insertion in model container [2020-12-01 14:55:20,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:55:20" (3/3) ... [2020-12-01 14:55:20,172 INFO L111 eAbstractionObserver]: Analyzing ICFG oomInt.c_1.i [2020-12-01 14:55:20,191 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 14:55:20,195 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 14:55:20,211 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 14:55:20,254 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 14:55:20,254 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 14:55:20,254 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 14:55:20,254 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 14:55:20,255 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 14:55:20,255 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 14:55:20,255 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 14:55:20,255 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 14:55:20,277 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-12-01 14:55:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 14:55:20,284 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 14:55:20,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-01 14:55:20,286 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 14:55:20,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 14:55:20,294 INFO L82 PathProgramCache]: Analyzing trace with hash 889508777, now seen corresponding path program 1 times [2020-12-01 14:55:20,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 14:55:20,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941966204] [2020-12-01 14:55:20,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 14:55:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 14:55:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 14:55:20,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941966204] [2020-12-01 14:55:20,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 14:55:20,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-01 14:55:20,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367343557] [2020-12-01 14:55:20,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 14:55:20,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 14:55:20,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 14:55:20,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 14:55:20,738 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 5 states. [2020-12-01 14:55:20,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 14:55:20,859 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2020-12-01 14:55:20,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 14:55:20,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2020-12-01 14:55:20,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 14:55:20,870 INFO L225 Difference]: With dead ends: 16 [2020-12-01 14:55:20,870 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 14:55:20,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-01 14:55:20,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 14:55:20,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 14:55:20,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 14:55:20,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 14:55:20,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-12-01 14:55:20,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 14:55:20,922 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 14:55:20,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 14:55:20,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 14:55:20,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 14:55:20,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 14:55:20,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 14:55:20,967 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 14:55:20,967 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 14:55:20,968 INFO L262 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-12-01 14:55:20,968 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 14:55:20,969 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 14:55:20,969 INFO L258 CegarLoopResult]: At program point L25(lines 17 26) the Hoare annotation is: (and (<= 3 |ULTIMATE.start_abs_int_#res|) (= (+ ULTIMATE.start_abs_int_~i 3) 0)) [2020-12-01 14:55:20,970 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 14:55:20,970 INFO L262 CegarLoopResult]: For program point L19(lines 19 25) no Hoare annotation was computed. [2020-12-01 14:55:20,970 INFO L262 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-12-01 14:55:20,970 INFO L262 CegarLoopResult]: For program point L7(lines 34 37) no Hoare annotation was computed. [2020-12-01 14:55:20,971 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 14:55:20,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 02:55:20 BoogieIcfgContainer [2020-12-01 14:55:20,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 14:55:20,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 14:55:20,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 14:55:20,998 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 14:55:20,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:55:20" (3/4) ... [2020-12-01 14:55:21,004 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 14:55:21,019 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 14:55:21,019 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 14:55:21,020 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 14:55:21,020 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 14:55:21,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 3 <= \result && i + 3 == 0 [2020-12-01 14:55:21,084 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b7005842-6d7b-449b-9d59-8c01927a427b/bin/uautomizer/witness.graphml [2020-12-01 14:55:21,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 14:55:21,093 INFO L168 Benchmark]: Toolchain (without parser) took 1832.84 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 64.2 MB in the beginning and 87.9 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:55:21,094 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 94.4 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:55:21,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.22 ms. Allocated memory is still 94.4 MB. Free memory was 64.0 MB in the beginning and 72.3 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 14:55:21,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.77 ms. Allocated memory is still 94.4 MB. Free memory was 72.3 MB in the beginning and 70.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:55:21,096 INFO L168 Benchmark]: Boogie Preprocessor took 34.05 ms. Allocated memory is still 94.4 MB. Free memory was 70.6 MB in the beginning and 69.7 MB in the end (delta: 878.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 14:55:21,097 INFO L168 Benchmark]: RCFGBuilder took 441.94 ms. Allocated memory is still 94.4 MB. Free memory was 69.7 MB in the beginning and 59.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 14:55:21,099 INFO L168 Benchmark]: TraceAbstraction took 834.67 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 59.3 MB in the beginning and 90.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2020-12-01 14:55:21,099 INFO L168 Benchmark]: Witness Printer took 87.17 ms. Allocated memory is still 113.2 MB. Free memory was 90.2 MB in the beginning and 88.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 14:55:21,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 94.4 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 375.22 ms. Allocated memory is still 94.4 MB. Free memory was 64.0 MB in the beginning and 72.3 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.77 ms. Allocated memory is still 94.4 MB. Free memory was 72.3 MB in the beginning and 70.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.05 ms. Allocated memory is still 94.4 MB. Free memory was 70.6 MB in the beginning and 69.7 MB in the end (delta: 878.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 441.94 ms. Allocated memory is still 94.4 MB. Free memory was 69.7 MB in the beginning and 59.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 834.67 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 59.3 MB in the beginning and 90.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * Witness Printer took 87.17 ms. Allocated memory is still 113.2 MB. Free memory was 90.2 MB in the beginning and 88.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 3 <= \result && i + 3 == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 9 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...