./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/07_rand.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/07_rand.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI --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 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:45:57,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:45:57,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:45:57,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:45:57,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:45:57,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:45:57,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:45:57,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:45:57,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:45:57,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:45:57,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:45:57,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:45:57,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:45:57,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:45:57,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:45:57,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:45:57,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:45:57,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:45:57,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:45:57,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:45:57,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:45:57,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:45:57,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:45:57,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:45:57,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:45:57,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:45:57,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:45:57,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:45:57,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:45:57,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:45:57,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:45:57,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:45:57,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:45:57,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:45:57,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:45:57,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:45:57,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:45:57,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:45:57,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:45:57,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:45:57,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:45:57,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-03 03:45:57,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:45:57,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:45:57,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:45:57,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:45:57,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:45:57,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:45:57,520 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:45:57,520 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:45:57,520 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:45:57,520 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:45:57,521 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:45:57,522 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:45:57,522 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:45:57,522 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:45:57,522 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:45:57,522 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:45:57,523 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:45:57,523 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:45:57,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:45:57,524 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:45:57,524 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:45:57,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:45:57,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:45:57,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:45:57,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:45:57,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:45:57,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:45:57,526 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 03:45:57,527 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:45:57,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:45:57,527 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:45:57,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:45:57,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:45:57,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:45:57,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:45:57,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:45:57,528 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:45:57,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:45:57,528 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:45:57,529 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:45:57,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:45:57,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:45:57,529 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:45:57,529 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_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 [2022-11-03 03:45:57,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:45:57,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:45:57,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:45:57,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:45:57,898 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:45:57,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-ext/07_rand.i [2022-11-03 03:45:57,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/data/7640d70d8/8b617c47a1184eac98e0dc011cf9c292/FLAGe2d1af3a0 [2022-11-03 03:45:58,594 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:45:58,595 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/sv-benchmarks/c/pthread-ext/07_rand.i [2022-11-03 03:45:58,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/data/7640d70d8/8b617c47a1184eac98e0dc011cf9c292/FLAGe2d1af3a0 [2022-11-03 03:45:58,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/data/7640d70d8/8b617c47a1184eac98e0dc011cf9c292 [2022-11-03 03:45:58,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:45:58,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:45:58,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:58,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:45:58,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:45:58,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:58" (1/1) ... [2022-11-03 03:45:58,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252a9bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:58, skipping insertion in model container [2022-11-03 03:45:58,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:45:58" (1/1) ... [2022-11-03 03:45:58,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:45:58,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:45:59,314 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_3c0a080b-96e8-406c-ace1-0a37547b7612/sv-benchmarks/c/pthread-ext/07_rand.i[30402,30415] [2022-11-03 03:45:59,320 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_3c0a080b-96e8-406c-ace1-0a37547b7612/sv-benchmarks/c/pthread-ext/07_rand.i[30630,30643] [2022-11-03 03:45:59,324 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_3c0a080b-96e8-406c-ace1-0a37547b7612/sv-benchmarks/c/pthread-ext/07_rand.i[30891,30904] [2022-11-03 03:45:59,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:45:59,343 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:45:59,391 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_3c0a080b-96e8-406c-ace1-0a37547b7612/sv-benchmarks/c/pthread-ext/07_rand.i[30402,30415] [2022-11-03 03:45:59,393 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_3c0a080b-96e8-406c-ace1-0a37547b7612/sv-benchmarks/c/pthread-ext/07_rand.i[30630,30643] [2022-11-03 03:45:59,394 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_3c0a080b-96e8-406c-ace1-0a37547b7612/sv-benchmarks/c/pthread-ext/07_rand.i[30891,30904] [2022-11-03 03:45:59,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:45:59,428 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:45:59,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59 WrapperNode [2022-11-03 03:45:59,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:45:59,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:45:59,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:45:59,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:45:59,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (1/1) ... [2022-11-03 03:45:59,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (1/1) ... [2022-11-03 03:45:59,494 INFO L138 Inliner]: procedures = 174, calls = 21, calls flagged for inlining = 13, calls inlined = 16, statements flattened = 114 [2022-11-03 03:45:59,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:45:59,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:45:59,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:45:59,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:45:59,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (1/1) ... [2022-11-03 03:45:59,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (1/1) ... [2022-11-03 03:45:59,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (1/1) ... [2022-11-03 03:45:59,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (1/1) ... [2022-11-03 03:45:59,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (1/1) ... [2022-11-03 03:45:59,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (1/1) ... [2022-11-03 03:45:59,538 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (1/1) ... [2022-11-03 03:45:59,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (1/1) ... [2022-11-03 03:45:59,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:45:59,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:45:59,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:45:59,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:45:59,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (1/1) ... [2022-11-03 03:45:59,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:45:59,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:45:59,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:45:59,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:45:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-03 03:45:59,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-03 03:45:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:45:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:45:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:45:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:45:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:45:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:45:59,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:45:59,638 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 03:45:59,786 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:45:59,788 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:46:00,086 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:46:00,221 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:46:00,221 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 03:46:00,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:46:00 BoogieIcfgContainer [2022-11-03 03:46:00,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:46:00,235 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:46:00,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:46:00,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:46:00,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:45:58" (1/3) ... [2022-11-03 03:46:00,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfabf8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:46:00, skipping insertion in model container [2022-11-03 03:46:00,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:45:59" (2/3) ... [2022-11-03 03:46:00,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfabf8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:46:00, skipping insertion in model container [2022-11-03 03:46:00,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:46:00" (3/3) ... [2022-11-03 03:46:00,256 INFO L112 eAbstractionObserver]: Analyzing ICFG 07_rand.i [2022-11-03 03:46:00,265 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 03:46:00,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:46:00,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-03 03:46:00,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfabf8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:46:00, skipping insertion in model container [2022-11-03 03:46:00,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:46:00,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:46:00,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:46:00,297 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:46:00,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:46:00" (3/3) ... [2022-11-03 03:46:00,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:46:00,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-03 03:46:00,320 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-03 03:46:00,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-03 03:46:00,322 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 03:46:00,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:46:00,373 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:46:00,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:46:00,377 INFO L158 Benchmark]: Toolchain (without parser) took 1489.86ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 55.8MB in the beginning and 100.6MB in the end (delta: -44.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:46:00,379 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:46:00,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.22ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 60.7MB in the end (delta: -5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 03:46:00,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.72ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:46:00,381 INFO L158 Benchmark]: Boogie Preprocessor took 44.75ms. Allocated memory is still 96.5MB. Free memory was 58.3MB in the beginning and 56.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:46:00,384 INFO L158 Benchmark]: RCFGBuilder took 677.39ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 38.0MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-03 03:46:00,386 INFO L158 Benchmark]: TraceAbstraction took 59.64ms. Allocated memory is still 127.9MB. Free memory was 104.1MB in the beginning and 102.8MB in the end (delta: 1.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-11-03 03:46:00,386 INFO L158 Benchmark]: Witness Printer took 77.99ms. Allocated memory is still 127.9MB. Free memory was 102.8MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:46:00,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.22ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 60.7MB in the end (delta: -5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.72ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 58.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.75ms. Allocated memory is still 96.5MB. Free memory was 58.3MB in the beginning and 56.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 677.39ms. Allocated memory is still 96.5MB. Free memory was 56.7MB in the beginning and 38.0MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 59.64ms. Allocated memory is still 127.9MB. Free memory was 104.1MB in the beginning and 102.8MB in the end (delta: 1.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Witness Printer took 77.99ms. Allocated memory is still 127.9MB. Free memory was 102.8MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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! [2022-11-03 03:46:00,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c0a080b-96e8-406c-ace1-0a37547b7612/bin/utaipan-7li7fVZpFI/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