./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 02:38:57,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:38:58,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:38:58,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:38:58,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:38:58,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:38:58,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:38:58,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:38:58,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:38:58,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:38:58,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:38:58,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:38:58,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:38:58,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:38:58,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:38:58,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:38:58,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:38:58,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:38:58,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:38:58,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:38:58,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:38:58,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:38:58,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:38:58,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:38:58,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:38:58,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:38:58,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:38:58,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:38:58,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:38:58,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:38:58,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:38:58,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:38:58,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:38:58,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:38:58,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:38:58,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:38:58,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:38:58,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:38:58,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:38:58,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:38:58,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:38:58,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 02:38:58,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:38:58,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:38:58,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:38:58,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:38:58,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:38:58,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:38:58,156 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:38:58,156 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:38:58,157 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:38:58,157 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:38:58,157 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:38:58,157 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:38:58,157 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:38:58,158 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:38:58,158 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:38:58,158 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:38:58,158 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:38:58,158 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:38:58,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:38:58,159 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:38:58,159 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:38:58,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:38:58,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:38:58,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:38:58,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:38:58,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:38:58,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:38:58,161 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:38:58,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:38:58,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:38:58,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:38:58,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:38:58,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:38:58,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:38:58,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:38:58,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:38:58,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:38:58,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:38:58,163 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:38:58,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:38:58,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:38:58,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:38:58,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:38:58,164 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_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb642764a70597a56a9c7e88ddf473ddd44e8ae88be573923352b61cd2189845 [2021-11-23 02:38:58,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:38:58,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:38:58,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:38:58,459 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:38:58,459 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:38:58,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2021-11-23 02:38:58,521 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/data/2f195f0b0/8ecdee842f0c4eb2ac0ba409d1331617/FLAG36d36ccee [2021-11-23 02:38:58,980 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:38:58,980 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2021-11-23 02:38:58,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/data/2f195f0b0/8ecdee842f0c4eb2ac0ba409d1331617/FLAG36d36ccee [2021-11-23 02:38:59,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/data/2f195f0b0/8ecdee842f0c4eb2ac0ba409d1331617 [2021-11-23 02:38:59,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:38:59,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:38:59,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:38:59,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:38:59,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:38:59,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7667e677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59, skipping insertion in model container [2021-11-23 02:38:59,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:38:59,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:38:59,591 WARN L230 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_3c416875-fcb1-4524-8608-c146f56ce4ef/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c[718,731] [2021-11-23 02:38:59,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:38:59,601 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:38:59,616 WARN L230 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_3c416875-fcb1-4524-8608-c146f56ce4ef/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c[718,731] [2021-11-23 02:38:59,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:38:59,630 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:38:59,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59 WrapperNode [2021-11-23 02:38:59,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:38:59,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:38:59,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:38:59,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:38:59,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,665 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2021-11-23 02:38:59,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:38:59,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:38:59,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:38:59,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:38:59,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:38:59,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:38:59,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:38:59,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:38:59,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59" (1/1) ... [2021-11-23 02:38:59,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:38:59,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:38:59,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:38:59,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:38:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure A [2021-11-23 02:38:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2021-11-23 02:38:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:38:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:38:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:38:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:38:59,864 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:38:59,865 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:38:59,987 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:39:00,018 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:39:00,019 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:39:00,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:00 BoogieIcfgContainer [2021-11-23 02:39:00,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:39:00,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:39:00,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:39:00,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:39:00,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:38:59" (1/3) ... [2021-11-23 02:39:00,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0ce906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:39:00, skipping insertion in model container [2021-11-23 02:39:00,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:38:59" (2/3) ... [2021-11-23 02:39:00,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0ce906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:39:00, skipping insertion in model container [2021-11-23 02:39:00,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:00" (3/3) ... [2021-11-23 02:39:00,031 INFO L111 eAbstractionObserver]: Analyzing ICFG BallRajamani-SPIN2000-Fig1.c [2021-11-23 02:39:00,036 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:39:00,036 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-23 02:39:00,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0ce906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:39:00, skipping insertion in model container [2021-11-23 02:39:00,038 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:39:00,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:39:00,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:39:00,039 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:39:00,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:39:00" (3/3) ... [2021-11-23 02:39:00,043 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:39:00,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure A [2021-11-23 02:39:00,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-23 02:39:00,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 02:39:00,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 02:39:00,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:39:00,094 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:39:00,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:39:00,096 INFO L158 Benchmark]: Toolchain (without parser) took 718.56ms. Allocated memory is still 88.1MB. Free memory was 49.0MB in the beginning and 49.2MB in the end (delta: -165.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:39:00,097 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 65.3MB in the beginning and 65.3MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:39:00,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.35ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 64.4MB in the end (delta: -15.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 02:39:00,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.04ms. Allocated memory is still 88.1MB. Free memory was 64.4MB in the beginning and 62.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:39:00,107 INFO L158 Benchmark]: Boogie Preprocessor took 18.65ms. Allocated memory is still 88.1MB. Free memory was 62.9MB in the beginning and 62.1MB in the end (delta: 803.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:39:00,108 INFO L158 Benchmark]: RCFGBuilder took 335.30ms. Allocated memory is still 88.1MB. Free memory was 62.0MB in the beginning and 52.9MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 02:39:00,109 INFO L158 Benchmark]: TraceAbstraction took 14.82ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 51.6MB in the end (delta: 949.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:39:00,111 INFO L158 Benchmark]: Witness Printer took 55.79ms. Allocated memory is still 88.1MB. Free memory was 51.5MB in the beginning and 49.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:39:00,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 65.3MB in the beginning and 65.3MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.35ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 64.4MB in the end (delta: -15.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.04ms. Allocated memory is still 88.1MB. Free memory was 64.4MB in the beginning and 62.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.65ms. Allocated memory is still 88.1MB. Free memory was 62.9MB in the beginning and 62.1MB in the end (delta: 803.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.30ms. Allocated memory is still 88.1MB. Free memory was 62.0MB in the beginning and 52.9MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 14.82ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 51.6MB in the end (delta: 949.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.79ms. Allocated memory is still 88.1MB. Free memory was 51.5MB in the beginning and 49.2MB in the end (delta: 2.3MB). 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! [2021-11-23 02:39:00,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c416875-fcb1-4524-8608-c146f56ce4ef/bin/utaipan-EQgc7hIp5V/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