./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC --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 27ee5823c4f9461fe660077edf879109ec85120b ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:22:24,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:22:24,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:22:24,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:22:24,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:22:24,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:22:24,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:22:24,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:22:24,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:22:24,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:22:24,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:22:24,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:22:24,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:22:24,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:22:24,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:22:24,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:22:24,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:22:24,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:22:24,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:22:24,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:22:24,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:22:24,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:22:24,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:22:24,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:22:24,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:22:24,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:22:24,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:22:24,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:22:24,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:22:24,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:22:24,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:22:24,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:22:24,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:22:24,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:22:24,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:22:24,717 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:22:24,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:22:24,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:22:24,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:22:24,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:22:24,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:22:24,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-11 00:22:24,777 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:22:24,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:22:24,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:22:24,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:22:24,779 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:22:24,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:22:24,779 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:22:24,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:22:24,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:22:24,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:22:24,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:22:24,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:22:24,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:22:24,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:22:24,781 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 00:22:24,781 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:22:24,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:22:24,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:22:24,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:22:24,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:22:24,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:22:24,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:22:24,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:24,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:22:24,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:22:24,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:22:24,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:22:24,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:22:24,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:22:24,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:22:24,784 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_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27ee5823c4f9461fe660077edf879109ec85120b [2021-10-11 00:22:25,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:22:25,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:22:25,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:22:25,129 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:22:25,130 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:22:25,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/recursive-simple/id_o100.c [2021-10-11 00:22:25,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/data/8ab0f6b31/3e6933c62d72455fa5915684ed7e865e/FLAG6a4c0a9b0 [2021-10-11 00:22:25,728 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:22:25,729 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/sv-benchmarks/c/recursive-simple/id_o100.c [2021-10-11 00:22:25,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/data/8ab0f6b31/3e6933c62d72455fa5915684ed7e865e/FLAG6a4c0a9b0 [2021-10-11 00:22:26,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/data/8ab0f6b31/3e6933c62d72455fa5915684ed7e865e [2021-10-11 00:22:26,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:22:26,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:22:26,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:26,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:22:26,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:22:26,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:26" (1/1) ... [2021-10-11 00:22:26,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c73381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26, skipping insertion in model container [2021-10-11 00:22:26,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:26" (1/1) ... [2021-10-11 00:22:26,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:22:26,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:22:26,351 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/sv-benchmarks/c/recursive-simple/id_o100.c[518,531] [2021-10-11 00:22:26,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:26,389 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:22:26,402 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/sv-benchmarks/c/recursive-simple/id_o100.c[518,531] [2021-10-11 00:22:26,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:26,418 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:22:26,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26 WrapperNode [2021-10-11 00:22:26,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:26,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:26,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:22:26,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:22:26,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26" (1/1) ... [2021-10-11 00:22:26,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26" (1/1) ... [2021-10-11 00:22:26,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:26,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:22:26,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:22:26,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:22:26,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26" (1/1) ... [2021-10-11 00:22:26,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26" (1/1) ... [2021-10-11 00:22:26,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26" (1/1) ... [2021-10-11 00:22:26,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26" (1/1) ... [2021-10-11 00:22:26,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26" (1/1) ... [2021-10-11 00:22:26,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26" (1/1) ... [2021-10-11 00:22:26,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26" (1/1) ... [2021-10-11 00:22:26,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:22:26,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:22:26,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:22:26,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:22:26,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:22:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:22:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:22:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:22:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-11 00:22:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-11 00:22:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:22:26,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:22:26,770 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-11 00:22:26,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:26 BoogieIcfgContainer [2021-10-11 00:22:26,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:22:26,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:22:26,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:22:26,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:22:26,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:26" (1/3) ... [2021-10-11 00:22:26,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8fedbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:26, skipping insertion in model container [2021-10-11 00:22:26,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:26" (2/3) ... [2021-10-11 00:22:26,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8fedbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:26, skipping insertion in model container [2021-10-11 00:22:26,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:26" (3/3) ... [2021-10-11 00:22:26,789 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o100.c [2021-10-11 00:22:26,809 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:22:26,812 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-10-11 00:22:26,828 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2021-10-11 00:22:26,891 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:22:26,891 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:22:26,892 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:22:26,892 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:22:26,892 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:22:26,892 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:22:26,892 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:22:26,892 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:22:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2021-10-11 00:22:26,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:22:26,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2021-10-11 00:22:26,968 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:22:26,969 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:22:26,969 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:22:26,969 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:22:26,969 INFO L262 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2021-10-11 00:22:26,970 INFO L262 CegarLoopResult]: For program point L14(lines 14 16) no Hoare annotation was computed. [2021-10-11 00:22:26,970 INFO L265 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: true [2021-10-11 00:22:26,970 INFO L262 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2021-10-11 00:22:26,970 INFO L262 CegarLoopResult]: For program point L11(lines 11 17) no Hoare annotation was computed. [2021-10-11 00:22:26,970 INFO L262 CegarLoopResult]: For program point idFINAL(lines 6 9) no Hoare annotation was computed. [2021-10-11 00:22:26,971 INFO L262 CegarLoopResult]: For program point idEXIT(lines 6 9) no Hoare annotation was computed. [2021-10-11 00:22:26,971 INFO L265 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: true [2021-10-11 00:22:26,971 INFO L265 CegarLoopResult]: At program point idENTRY(lines 6 9) the Hoare annotation is: true [2021-10-11 00:22:26,971 INFO L262 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2021-10-11 00:22:26,972 INFO L262 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2021-10-11 00:22:26,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:22:26 BoogieIcfgContainer [2021-10-11 00:22:26,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:22:26,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:22:26,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:22:26,990 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:22:26,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:26" (3/4) ... [2021-10-11 00:22:26,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:22:27,003 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-10-11 00:22:27,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-11 00:22:27,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:22:27,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:22:27,009 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:22:27,087 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf0e5ba5-06e7-4b40-9c79-052b0fe14bc4/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:22:27,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:22:27,096 INFO L168 Benchmark]: Toolchain (without parser) took 955.89 ms. Allocated memory was 111.1 MB in the beginning and 157.3 MB in the end (delta: 46.1 MB). Free memory was 82.7 MB in the beginning and 109.5 MB in the end (delta: -26.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:27,097 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 111.1 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:27,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.09 ms. Allocated memory was 111.1 MB in the beginning and 157.3 MB in the end (delta: 46.1 MB). Free memory was 82.5 MB in the beginning and 133.2 MB in the end (delta: -50.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:27,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.64 ms. Allocated memory is still 157.3 MB. Free memory was 133.2 MB in the beginning and 131.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:22:27,100 INFO L168 Benchmark]: Boogie Preprocessor took 17.95 ms. Allocated memory is still 157.3 MB. Free memory was 131.8 MB in the beginning and 131.1 MB in the end (delta: 698.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:27,101 INFO L168 Benchmark]: RCFGBuilder took 303.76 ms. Allocated memory is still 157.3 MB. Free memory was 131.1 MB in the beginning and 119.7 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:27,101 INFO L168 Benchmark]: TraceAbstraction took 215.27 ms. Allocated memory is still 157.3 MB. Free memory was 119.4 MB in the beginning and 111.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:27,102 INFO L168 Benchmark]: Witness Printer took 98.22 ms. Allocated memory is still 157.3 MB. Free memory was 111.9 MB in the beginning and 109.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:22:27,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 111.1 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 282.09 ms. Allocated memory was 111.1 MB in the beginning and 157.3 MB in the end (delta: 46.1 MB). Free memory was 82.5 MB in the beginning and 133.2 MB in the end (delta: -50.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.64 ms. Allocated memory is still 157.3 MB. Free memory was 133.2 MB in the beginning and 131.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.95 ms. Allocated memory is still 157.3 MB. Free memory was 131.8 MB in the beginning and 131.1 MB in the end (delta: 698.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 303.76 ms. Allocated memory is still 157.3 MB. Free memory was 131.1 MB in the beginning and 119.7 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 215.27 ms. Allocated memory is still 157.3 MB. Free memory was 119.4 MB in the beginning and 111.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 98.22 ms. Allocated memory is still 157.3 MB. Free memory was 111.9 MB in the beginning and 109.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 15 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...