./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/08_rand_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 --- 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-8393723 [2022-11-18 20:30:51,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:30:51,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:30:51,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:30:51,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:30:51,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:30:51,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:30:51,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:30:51,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:30:51,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:30:51,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:30:51,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:30:51,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:30:51,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:30:51,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:30:51,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:30:51,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:30:51,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:30:51,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:30:51,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:30:52,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:30:52,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:30:52,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:30:52,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:30:52,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:30:52,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:30:52,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:30:52,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:30:52,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:30:52,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:30:52,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:30:52,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:30:52,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:30:52,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:30:52,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:30:52,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:30:52,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:30:52,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:30:52,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:30:52,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:30:52,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:30:52,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-18 20:30:52,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:30:52,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:30:52,085 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:30:52,085 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:30:52,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:30:52,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:30:52,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:30:52,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:30:52,089 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:30:52,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:30:52,090 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:30:52,090 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:30:52,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:30:52,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:30:52,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:30:52,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:30:52,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:30:52,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:30:52,092 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:30:52,092 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:30:52,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:30:52,092 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:30:52,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:30:52,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:30:52,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:30:52,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:30:52,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:30:52,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:30:52,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:30:52,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:30:52,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:30:52,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:30:52,095 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:30:52,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:30:52,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:30:52,096 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_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adb74bb4036ab42451aee4c4c2c855416fb34747e80c1114ce822e44c6b19376 [2022-11-18 20:30:52,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:30:52,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:30:52,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:30:52,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:30:52,437 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:30:52,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-11-18 20:30:52,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/data/36d8ac2b7/a86c42665e3049639556ea90c50b629e/FLAG55b5b9a20 [2022-11-18 20:30:53,089 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:30:53,090 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/sv-benchmarks/c/pthread-ext/08_rand_cas.i [2022-11-18 20:30:53,104 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/data/36d8ac2b7/a86c42665e3049639556ea90c50b629e/FLAG55b5b9a20 [2022-11-18 20:30:53,394 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/data/36d8ac2b7/a86c42665e3049639556ea90c50b629e [2022-11-18 20:30:53,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:30:53,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:30:53,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:30:53,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:30:53,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:30:53,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:30:53" (1/1) ... [2022-11-18 20:30:53,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd1cf27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:53, skipping insertion in model container [2022-11-18 20:30:53,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:30:53" (1/1) ... [2022-11-18 20:30:53,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:30:53,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:30:53,960 WARN L234 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_1a59b7ed-c658-40c1-890b-d48be88b2e56/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-11-18 20:30:53,967 WARN L234 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_1a59b7ed-c658-40c1-890b-d48be88b2e56/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-11-18 20:30:53,971 WARN L234 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_1a59b7ed-c658-40c1-890b-d48be88b2e56/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-11-18 20:30:53,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:30:53,992 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:30:54,057 WARN L234 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_1a59b7ed-c658-40c1-890b-d48be88b2e56/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30697,30710] [2022-11-18 20:30:54,061 WARN L234 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_1a59b7ed-c658-40c1-890b-d48be88b2e56/sv-benchmarks/c/pthread-ext/08_rand_cas.i[30970,30983] [2022-11-18 20:30:54,064 WARN L234 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_1a59b7ed-c658-40c1-890b-d48be88b2e56/sv-benchmarks/c/pthread-ext/08_rand_cas.i[31233,31246] [2022-11-18 20:30:54,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:30:54,120 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:30:54,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54 WrapperNode [2022-11-18 20:30:54,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:30:54,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:30:54,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:30:54,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:30:54,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (1/1) ... [2022-11-18 20:30:54,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (1/1) ... [2022-11-18 20:30:54,201 INFO L138 Inliner]: procedures = 176, calls = 34, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 141 [2022-11-18 20:30:54,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:30:54,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:30:54,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:30:54,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:30:54,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (1/1) ... [2022-11-18 20:30:54,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (1/1) ... [2022-11-18 20:30:54,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (1/1) ... [2022-11-18 20:30:54,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (1/1) ... [2022-11-18 20:30:54,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (1/1) ... [2022-11-18 20:30:54,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (1/1) ... [2022-11-18 20:30:54,243 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (1/1) ... [2022-11-18 20:30:54,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (1/1) ... [2022-11-18 20:30:54,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:30:54,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:30:54,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:30:54,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:30:54,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (1/1) ... [2022-11-18 20:30:54,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:30:54,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:30:54,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:30:54,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:30:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:30:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-18 20:30:54,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-18 20:30:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:30:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:30:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:30:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:30:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:30:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:30:54,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:30:54,332 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:30:54,521 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:30:54,523 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:30:54,841 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:30:54,953 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:30:54,954 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 20:30:54,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:30:54 BoogieIcfgContainer [2022-11-18 20:30:54,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:30:54,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:30:54,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:30:54,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:30:54,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:30:53" (1/3) ... [2022-11-18 20:30:54,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b996a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:30:54, skipping insertion in model container [2022-11-18 20:30:54,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:30:54" (2/3) ... [2022-11-18 20:30:54,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b996a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:30:54, skipping insertion in model container [2022-11-18 20:30:54,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:30:54" (3/3) ... [2022-11-18 20:30:54,974 INFO L112 eAbstractionObserver]: Analyzing ICFG 08_rand_cas.i [2022-11-18 20:30:54,984 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:30:54,995 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:30:54,996 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-18 20:30:54,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b996a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:30:54, skipping insertion in model container [2022-11-18 20:30:54,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:30:54,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:30:54,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:30:55,001 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:30:55,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:30:54" (3/3) ... [2022-11-18 20:30:55,005 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:30:55,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-18 20:30:55,014 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-18 20:30:55,014 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:30:55,014 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:30:55,014 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:30:55,051 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:30:55,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:30:55,053 INFO L158 Benchmark]: Toolchain (without parser) took 1653.80ms. Allocated memory is still 146.8MB. Free memory was 107.5MB in the beginning and 78.4MB in the end (delta: 29.1MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-11-18 20:30:55,054 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 119.3MB in the beginning and 119.3MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:30:55,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.89ms. Allocated memory is still 146.8MB. Free memory was 107.5MB in the beginning and 109.8MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:30:55,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.45ms. Allocated memory is still 146.8MB. Free memory was 109.8MB in the beginning and 107.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:30:55,057 INFO L158 Benchmark]: Boogie Preprocessor took 43.51ms. Allocated memory is still 146.8MB. Free memory was 107.4MB in the beginning and 105.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:30:55,058 INFO L158 Benchmark]: RCFGBuilder took 710.78ms. Allocated memory is still 146.8MB. Free memory was 105.6MB in the beginning and 83.4MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-18 20:30:55,059 INFO L158 Benchmark]: TraceAbstraction took 37.05ms. Allocated memory is still 146.8MB. Free memory was 82.5MB in the beginning and 80.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:30:55,059 INFO L158 Benchmark]: Witness Printer took 52.64ms. Allocated memory is still 146.8MB. Free memory was 80.2MB in the beginning and 78.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:30:55,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory was 119.3MB in the beginning and 119.3MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.89ms. Allocated memory is still 146.8MB. Free memory was 107.5MB in the beginning and 109.8MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.45ms. Allocated memory is still 146.8MB. Free memory was 109.8MB in the beginning and 107.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.51ms. Allocated memory is still 146.8MB. Free memory was 107.4MB in the beginning and 105.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 710.78ms. Allocated memory is still 146.8MB. Free memory was 105.6MB in the beginning and 83.4MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 37.05ms. Allocated memory is still 146.8MB. Free memory was 82.5MB in the beginning and 80.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 52.64ms. Allocated memory is still 146.8MB. Free memory was 80.2MB in the beginning and 78.4MB in the end (delta: 1.9MB). 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 specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-18 20:30:55,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a59b7ed-c658-40c1-890b-d48be88b2e56/bin/uautomizer-TMbwUNV5ro/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