./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN --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 ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 --- 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-6b4ec56 [2022-11-20 10:37:16,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:37:16,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:37:16,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:37:16,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:37:16,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:37:16,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:37:16,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:37:16,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:37:16,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:37:16,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:37:16,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:37:16,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:37:16,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:37:16,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:37:16,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:37:16,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:37:16,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:37:16,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:37:16,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:37:16,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:37:16,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:37:16,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:37:16,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:37:16,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:37:16,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:37:16,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:37:16,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:37:16,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:37:16,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:37:16,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:37:16,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:37:16,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:37:16,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:37:16,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:37:16,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:37:16,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:37:16,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:37:16,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:37:16,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:37:16,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:37:16,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 10:37:16,472 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:37:16,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:37:16,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:37:16,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:37:16,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:37:16,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:37:16,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:37:16,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:37:16,476 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:37:16,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:37:16,477 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:37:16,478 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:37:16,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:37:16,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:37:16,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:37:16,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:37:16,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:37:16,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:37:16,479 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:37:16,480 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:37:16,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:37:16,480 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:37:16,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:37:16,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:37:16,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:37:16,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:37:16,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:37:16,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:37:16,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:37:16,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:37:16,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:37:16,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:37:16,483 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:37:16,484 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:37:16,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:37:16,484 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_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 [2022-11-20 10:37:16,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:37:16,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:37:16,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:37:16,793 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:37:16,794 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:37:16,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-atomic/peterson.i [2022-11-20 10:37:19,828 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:37:20,120 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:37:20,121 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/sv-benchmarks/c/pthread-atomic/peterson.i [2022-11-20 10:37:20,135 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/data/73321abc4/1721f9be9a484064838bdf2cf70b6828/FLAG7685f74a0 [2022-11-20 10:37:20,150 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/data/73321abc4/1721f9be9a484064838bdf2cf70b6828 [2022-11-20 10:37:20,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:37:20,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:37:20,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:37:20,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:37:20,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:37:20,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef4c3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20, skipping insertion in model container [2022-11-20 10:37:20,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:37:20,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:37:20,498 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:37:20,718 WARN L237 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_db7ee70e-9efe-4413-bd16-6102088b7047/sv-benchmarks/c/pthread-atomic/peterson.i[30997,31010] [2022-11-20 10:37:20,726 WARN L237 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_db7ee70e-9efe-4413-bd16-6102088b7047/sv-benchmarks/c/pthread-atomic/peterson.i[31682,31695] [2022-11-20 10:37:20,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:37:20,748 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:37:20,774 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 10:37:20,803 WARN L237 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_db7ee70e-9efe-4413-bd16-6102088b7047/sv-benchmarks/c/pthread-atomic/peterson.i[30997,31010] [2022-11-20 10:37:20,812 WARN L237 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_db7ee70e-9efe-4413-bd16-6102088b7047/sv-benchmarks/c/pthread-atomic/peterson.i[31682,31695] [2022-11-20 10:37:20,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:37:20,863 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:37:20,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20 WrapperNode [2022-11-20 10:37:20,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:37:20,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:37:20,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:37:20,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:37:20,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,929 INFO L138 Inliner]: procedures = 171, calls = 47, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-11-20 10:37:20,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:37:20,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:37:20,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:37:20,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:37:20,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,967 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:37:20,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:37:20,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:37:20,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:37:20,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (1/1) ... [2022-11-20 10:37:20,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:37:20,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:37:21,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:37:21,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:37:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:37:21,060 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-20 10:37:21,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-20 10:37:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 10:37:21,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 10:37:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:37:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:37:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:37:21,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:37:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:37:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:37:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:37:21,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:37:21,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:37:21,064 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:37:21,197 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:37:21,199 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:37:21,465 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:37:21,472 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:37:21,472 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:37:21,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:37:21 BoogieIcfgContainer [2022-11-20 10:37:21,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:37:21,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:37:21,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:37:21,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:37:21,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:37:20" (1/3) ... [2022-11-20 10:37:21,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b95988f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:37:21, skipping insertion in model container [2022-11-20 10:37:21,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:20" (2/3) ... [2022-11-20 10:37:21,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b95988f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:37:21, skipping insertion in model container [2022-11-20 10:37:21,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:37:21" (3/3) ... [2022-11-20 10:37:21,485 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i [2022-11-20 10:37:21,495 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:37:21,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:37:21,507 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 10:37:21,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b95988f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:37:21, skipping insertion in model container [2022-11-20 10:37:21,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:37:21,509 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:37:21,509 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:37:21,510 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:37:21,510 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:37:21" (3/3) ... [2022-11-20 10:37:21,514 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:37:21,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-20 10:37:21,522 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-20 10:37:21,525 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 10:37:21,526 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:37:21,526 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:37:21,526 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:37:21,561 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:37:21,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:37:21,563 INFO L158 Benchmark]: Toolchain (without parser) took 1407.54ms. Allocated memory is still 125.8MB. Free memory was 84.5MB in the beginning and 90.7MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:37:21,563 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:37:21,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 708.96ms. Allocated memory is still 125.8MB. Free memory was 84.1MB in the beginning and 64.5MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 10:37:21,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.41ms. Allocated memory is still 125.8MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:37:21,565 INFO L158 Benchmark]: Boogie Preprocessor took 40.70ms. Allocated memory is still 125.8MB. Free memory was 62.4MB in the beginning and 61.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:37:21,566 INFO L158 Benchmark]: RCFGBuilder took 503.14ms. Allocated memory is still 125.8MB. Free memory was 61.0MB in the beginning and 96.1MB in the end (delta: -35.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-11-20 10:37:21,566 INFO L158 Benchmark]: TraceAbstraction took 30.83ms. Allocated memory is still 125.8MB. Free memory was 95.5MB in the beginning and 93.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:37:21,567 INFO L158 Benchmark]: Witness Printer took 51.95ms. Allocated memory is still 125.8MB. Free memory was 93.2MB in the beginning and 90.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:37:21,570 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 125.8MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 708.96ms. Allocated memory is still 125.8MB. Free memory was 84.1MB in the beginning and 64.5MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.41ms. Allocated memory is still 125.8MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.70ms. Allocated memory is still 125.8MB. Free memory was 62.4MB in the beginning and 61.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 503.14ms. Allocated memory is still 125.8MB. Free memory was 61.0MB in the beginning and 96.1MB in the end (delta: -35.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 30.83ms. Allocated memory is still 125.8MB. Free memory was 95.5MB in the beginning and 93.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 51.95ms. Allocated memory is still 125.8MB. Free memory was 93.2MB in the beginning and 90.7MB in the end (delta: 2.5MB). 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! [2022-11-20 10:37:21,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7ee70e-9efe-4413-bd16-6102088b7047/bin/uautomizer-ug76WZFUDN/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