./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b09c85b7 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- 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-b09c85b [2022-11-08 07:45:03,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-08 07:45:03,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-08 07:45:03,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-08 07:45:03,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-08 07:45:03,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-08 07:45:03,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-08 07:45:03,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-08 07:45:03,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-08 07:45:03,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-08 07:45:03,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-08 07:45:03,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-08 07:45:03,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-08 07:45:03,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-08 07:45:03,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-08 07:45:03,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-08 07:45:03,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-08 07:45:03,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-08 07:45:03,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-08 07:45:03,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-08 07:45:03,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-08 07:45:03,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-08 07:45:03,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-08 07:45:03,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-08 07:45:03,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-08 07:45:03,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-08 07:45:03,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-08 07:45:03,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-08 07:45:03,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-08 07:45:03,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-08 07:45:03,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-08 07:45:03,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-08 07:45:03,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-08 07:45:03,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-08 07:45:03,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-08 07:45:03,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-08 07:45:03,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-08 07:45:03,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-08 07:45:03,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-08 07:45:03,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-08 07:45:03,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-08 07:45:03,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-08 07:45:03,438 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-08 07:45:03,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-08 07:45:03,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-08 07:45:03,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-08 07:45:03,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-08 07:45:03,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-08 07:45:03,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-08 07:45:03,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-08 07:45:03,441 INFO L138 SettingsManager]: * Use SBE=true [2022-11-08 07:45:03,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-08 07:45:03,442 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-08 07:45:03,442 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-08 07:45:03,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-08 07:45:03,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-08 07:45:03,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-08 07:45:03,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-08 07:45:03,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-08 07:45:03,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-08 07:45:03,443 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-08 07:45:03,444 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-08 07:45:03,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-08 07:45:03,444 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-08 07:45:03,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-08 07:45:03,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-08 07:45:03,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-08 07:45:03,445 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-08 07:45:03,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-08 07:45:03,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:45:03,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-08 07:45:03,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-08 07:45:03,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-08 07:45:03,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-08 07:45:03,446 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-08 07:45:03,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-08 07:45:03,447 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-08 07:45:03,447 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-08 07:45:03,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-08 07:45:03,447 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-08 07:45:03,447 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-08 07:45:03,448 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_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2022-11-08 07:45:03,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-08 07:45:03,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-08 07:45:03,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-08 07:45:03,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-08 07:45:03,728 INFO L275 PluginConnector]: CDTParser initialized [2022-11-08 07:45:03,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/../../sv-benchmarks/c/pthread-atomic/lamport.i [2022-11-08 07:45:03,850 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/data/9c2cf5415/d249309504984b7e82c3b42846665db1/FLAG515f546ad [2022-11-08 07:45:04,350 INFO L306 CDTParser]: Found 1 translation units. [2022-11-08 07:45:04,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/sv-benchmarks/c/pthread-atomic/lamport.i [2022-11-08 07:45:04,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/data/9c2cf5415/d249309504984b7e82c3b42846665db1/FLAG515f546ad [2022-11-08 07:45:04,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/data/9c2cf5415/d249309504984b7e82c3b42846665db1 [2022-11-08 07:45:04,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-08 07:45:04,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-08 07:45:04,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-08 07:45:04,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-08 07:45:04,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-08 07:45:04,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:45:04" (1/1) ... [2022-11-08 07:45:04,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7968d9db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:04, skipping insertion in model container [2022-11-08 07:45:04,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:45:04" (1/1) ... [2022-11-08 07:45:04,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-08 07:45:04,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-08 07:45:04,945 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-08 07:45:05,081 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_d6b6732c-3a8c-407d-ab54-6630dee6e39c/sv-benchmarks/c/pthread-atomic/lamport.i[32156,32169] [2022-11-08 07:45:05,087 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_d6b6732c-3a8c-407d-ab54-6630dee6e39c/sv-benchmarks/c/pthread-atomic/lamport.i[34083,34096] [2022-11-08 07:45:05,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:45:05,101 INFO L203 MainTranslator]: Completed pre-run [2022-11-08 07:45:05,116 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-08 07:45:05,138 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_d6b6732c-3a8c-407d-ab54-6630dee6e39c/sv-benchmarks/c/pthread-atomic/lamport.i[32156,32169] [2022-11-08 07:45:05,142 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_d6b6732c-3a8c-407d-ab54-6630dee6e39c/sv-benchmarks/c/pthread-atomic/lamport.i[34083,34096] [2022-11-08 07:45:05,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:45:05,177 INFO L208 MainTranslator]: Completed translation [2022-11-08 07:45:05,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05 WrapperNode [2022-11-08 07:45:05,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-08 07:45:05,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-08 07:45:05,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-08 07:45:05,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-08 07:45:05,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (1/1) ... [2022-11-08 07:45:05,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (1/1) ... [2022-11-08 07:45:05,219 INFO L138 Inliner]: procedures = 171, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2022-11-08 07:45:05,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-08 07:45:05,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-08 07:45:05,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-08 07:45:05,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-08 07:45:05,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (1/1) ... [2022-11-08 07:45:05,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (1/1) ... [2022-11-08 07:45:05,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (1/1) ... [2022-11-08 07:45:05,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (1/1) ... [2022-11-08 07:45:05,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (1/1) ... [2022-11-08 07:45:05,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (1/1) ... [2022-11-08 07:45:05,245 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (1/1) ... [2022-11-08 07:45:05,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (1/1) ... [2022-11-08 07:45:05,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-08 07:45:05,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-08 07:45:05,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-08 07:45:05,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-08 07:45:05,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (1/1) ... [2022-11-08 07:45:05,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:45:05,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:45:05,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-08 07:45:05,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-08 07:45:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-08 07:45:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-08 07:45:05,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-08 07:45:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-08 07:45:05,345 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-08 07:45:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-08 07:45:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-08 07:45:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-08 07:45:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-08 07:45:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-08 07:45:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-08 07:45:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-08 07:45:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-08 07:45:05,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-08 07:45:05,349 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-08 07:45:05,487 INFO L235 CfgBuilder]: Building ICFG [2022-11-08 07:45:05,489 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-08 07:45:05,808 INFO L276 CfgBuilder]: Performing block encoding [2022-11-08 07:45:05,815 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-08 07:45:05,816 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-08 07:45:05,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:45:05 BoogieIcfgContainer [2022-11-08 07:45:05,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-08 07:45:05,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-08 07:45:05,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-08 07:45:05,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-08 07:45:05,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:45:04" (1/3) ... [2022-11-08 07:45:05,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2617de32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:45:05, skipping insertion in model container [2022-11-08 07:45:05,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:05" (2/3) ... [2022-11-08 07:45:05,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2617de32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:45:05, skipping insertion in model container [2022-11-08 07:45:05,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:45:05" (3/3) ... [2022-11-08 07:45:05,828 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2022-11-08 07:45:05,837 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-08 07:45:05,848 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-08 07:45:05,848 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-08 07:45:05,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2617de32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:45:05, skipping insertion in model container [2022-11-08 07:45:05,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-08 07:45:05,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-08 07:45:05,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-08 07:45:05,851 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-08 07:45:05,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:45:05" (3/3) ... [2022-11-08 07:45:05,855 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-08 07:45:05,862 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-08 07:45:05,862 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-08 07:45:05,866 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-08 07:45:05,867 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-08 07:45:05,867 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-08 07:45:05,867 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-08 07:45:05,900 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/witness.graphml [2022-11-08 07:45:05,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-08 07:45:05,902 INFO L158 Benchmark]: Toolchain (without parser) took 1231.52ms. Allocated memory is still 111.1MB. Free memory was 77.0MB in the beginning and 54.0MB in the end (delta: 23.0MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-11-08 07:45:05,903 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 77.6MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-08 07:45:05,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.53ms. Allocated memory is still 111.1MB. Free memory was 77.0MB in the beginning and 77.7MB in the end (delta: -654.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-08 07:45:05,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.68ms. Allocated memory is still 111.1MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:45:05,905 INFO L158 Benchmark]: Boogie Preprocessor took 29.74ms. Allocated memory is still 111.1MB. Free memory was 75.6MB in the beginning and 74.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:45:05,905 INFO L158 Benchmark]: RCFGBuilder took 568.55ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 59.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-08 07:45:05,906 INFO L158 Benchmark]: TraceAbstraction took 29.19ms. Allocated memory is still 111.1MB. Free memory was 58.2MB in the beginning and 56.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:45:05,906 INFO L158 Benchmark]: Witness Printer took 50.36ms. Allocated memory is still 111.1MB. Free memory was 56.0MB in the beginning and 54.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:45:05,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 77.6MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.53ms. Allocated memory is still 111.1MB. Free memory was 77.0MB in the beginning and 77.7MB in the end (delta: -654.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.68ms. Allocated memory is still 111.1MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.74ms. Allocated memory is still 111.1MB. Free memory was 75.6MB in the beginning and 74.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 568.55ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 59.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 29.19ms. Allocated memory is still 111.1MB. Free memory was 58.2MB in the beginning and 56.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 50.36ms. Allocated memory is still 111.1MB. Free memory was 56.0MB in the beginning and 54.0MB in the end (delta: 2.0MB). 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! [2022-11-08 07:45:05,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b6732c-3a8c-407d-ab54-6630dee6e39c/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE