./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb642764a70597a56a9c7e88ddf473ddd44e8ae88be573923352b61cd2189845 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:20:45,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:20:45,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:20:46,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:20:46,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:20:46,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:20:46,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:20:46,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:20:46,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:20:46,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:20:46,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:20:46,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:20:46,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:20:46,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:20:46,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:20:46,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:20:46,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:20:46,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:20:46,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:20:46,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:20:46,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:20:46,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:20:46,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:20:46,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:20:46,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:20:46,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:20:46,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:20:46,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:20:46,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:20:46,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:20:46,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:20:46,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:20:46,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:20:46,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:20:46,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:20:46,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:20:46,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:20:46,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:20:46,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:20:46,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:20:46,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:20:46,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-12 22:20:46,105 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:20:46,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:20:46,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:20:46,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:20:46,108 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:20:46,108 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:20:46,108 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:20:46,109 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:20:46,109 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:20:46,109 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:20:46,110 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:20:46,110 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:20:46,110 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:20:46,111 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:20:46,111 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:20:46,111 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:20:46,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:20:46,112 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:20:46,112 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:20:46,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:20:46,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:20:46,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:20:46,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:20:46,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:20:46,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:20:46,113 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-12 22:20:46,114 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:20:46,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:20:46,114 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:20:46,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:20:46,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:20:46,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:20:46,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:20:46,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:20:46,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:20:46,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:20:46,117 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:20:46,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:20:46,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:20:46,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:20:46,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:20:46,118 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb642764a70597a56a9c7e88ddf473ddd44e8ae88be573923352b61cd2189845 [2021-11-12 22:20:46,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:20:46,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:20:46,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:20:46,387 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:20:46,387 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:20:46,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2021-11-12 22:20:46,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/data/21e8fa913/bea4069c9e1b4dabb841dbbb868c94a6/FLAG45e833a6a [2021-11-12 22:20:46,877 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:20:46,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2021-11-12 22:20:46,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/data/21e8fa913/bea4069c9e1b4dabb841dbbb868c94a6/FLAG45e833a6a [2021-11-12 22:20:47,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/data/21e8fa913/bea4069c9e1b4dabb841dbbb868c94a6 [2021-11-12 22:20:47,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:20:47,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:20:47,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:20:47,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:20:47,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:20:47,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4eb8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47, skipping insertion in model container [2021-11-12 22:20:47,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:20:47,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:20:47,467 WARN L228 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_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c[718,731] [2021-11-12 22:20:47,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:20:47,496 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:20:47,507 WARN L228 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_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c[718,731] [2021-11-12 22:20:47,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:20:47,521 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:20:47,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47 WrapperNode [2021-11-12 22:20:47,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:20:47,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:20:47,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:20:47,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:20:47,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:20:47,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:20:47,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:20:47,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:20:47,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:20:47,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:20:47,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:20:47,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:20:47,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47" (1/1) ... [2021-11-12 22:20:47,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:20:47,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:20:47,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:20:47,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:20:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure A [2021-11-12 22:20:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2021-11-12 22:20:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:20:47,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:20:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 22:20:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:20:47,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:20:47,896 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 22:20:47,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:20:47 BoogieIcfgContainer [2021-11-12 22:20:47,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:20:47,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:20:47,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:20:47,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:20:47,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:20:47" (1/3) ... [2021-11-12 22:20:47,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcd2557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:20:47, skipping insertion in model container [2021-11-12 22:20:47,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:20:47" (2/3) ... [2021-11-12 22:20:47,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcd2557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:20:47, skipping insertion in model container [2021-11-12 22:20:47,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:20:47" (3/3) ... [2021-11-12 22:20:47,908 INFO L111 eAbstractionObserver]: Analyzing ICFG BallRajamani-SPIN2000-Fig1.c [2021-11-12 22:20:47,913 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:20:47,913 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-12 22:20:47,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcd2557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 10:20:47, skipping insertion in model container [2021-11-12 22:20:47,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 22:20:47,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 22:20:47,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 22:20:47,915 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 22:20:47,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:20:47" (3/3) ... [2021-11-12 22:20:47,919 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-12 22:20:47,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure A [2021-11-12 22:20:47,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-12 22:20:47,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-12 22:20:47,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-12 22:20:47,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-12 22:20:47,981 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 22:20:47,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 22:20:47,984 INFO L158 Benchmark]: Toolchain (without parser) took 698.92ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 62.8MB in the beginning and 85.7MB in the end (delta: -22.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2021-11-12 22:20:47,984 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:20:47,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.70ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 62.8MB in the beginning and 102.5MB in the end (delta: -39.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 22:20:47,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.47ms. Allocated memory is still 125.8MB. Free memory was 102.5MB in the beginning and 101.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:20:47,995 INFO L158 Benchmark]: Boogie Preprocessor took 43.88ms. Allocated memory is still 125.8MB. Free memory was 101.3MB in the beginning and 99.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 22:20:47,996 INFO L158 Benchmark]: RCFGBuilder took 293.15ms. Allocated memory is still 125.8MB. Free memory was 99.8MB in the beginning and 89.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 22:20:47,997 INFO L158 Benchmark]: TraceAbstraction took 13.17ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 88.6MB in the end (delta: 603.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:20:47,998 INFO L158 Benchmark]: Witness Printer took 66.34ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 85.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 22:20:48,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.70ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 62.8MB in the beginning and 102.5MB in the end (delta: -39.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.47ms. Allocated memory is still 125.8MB. Free memory was 102.5MB in the beginning and 101.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.88ms. Allocated memory is still 125.8MB. Free memory was 101.3MB in the beginning and 99.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.15ms. Allocated memory is still 125.8MB. Free memory was 99.8MB in the beginning and 89.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 13.17ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 88.6MB in the end (delta: 603.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.34ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 85.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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. RESULT: Ultimate proved your program to be correct! [2021-11-12 22:20:48,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cba7a9f9-8ec2-48cd-a9e9-2cacd4a7f72f/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE