./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS --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 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- 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-4e7fbc6 [2022-11-23 02:53:49,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:53:49,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:53:49,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:53:49,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:53:49,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:53:49,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:53:49,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:53:49,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:53:49,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:53:49,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:53:49,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:53:49,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:53:49,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:53:49,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:53:49,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:53:49,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:53:49,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:53:49,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:53:49,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:53:49,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:53:49,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:53:49,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:53:49,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:53:49,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:53:49,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:53:49,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:53:49,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:53:49,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:53:49,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:53:49,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:53:49,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:53:49,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:53:49,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:53:49,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:53:49,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:53:49,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:53:49,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:53:49,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:53:49,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:53:49,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:53:49,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-23 02:53:49,327 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:53:49,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:53:49,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:53:49,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:53:49,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:53:49,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:53:49,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:53:49,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:53:49,331 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:53:49,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:53:49,333 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:53:49,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:53:49,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:53:49,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:53:49,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:53:49,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:53:49,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:53:49,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:53:49,335 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 02:53:49,335 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:53:49,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:53:49,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:53:49,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:53:49,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:53:49,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:53:49,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:53:49,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:53:49,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:53:49,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:53:49,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:53:49,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:53:49,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:53:49,339 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:53:49,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:53:49,339 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:53:49,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:53:49,340 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2022-11-23 02:53:49,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:53:49,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:53:49,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:53:49,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:53:49,675 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:53:49,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2022-11-23 02:53:53,202 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:53:53,534 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:53:53,534 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2022-11-23 02:53:53,561 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/data/e0a31f162/0f3eee0529f745ef8cbfd320e9dffecd/FLAG501c68af8 [2022-11-23 02:53:53,582 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/data/e0a31f162/0f3eee0529f745ef8cbfd320e9dffecd [2022-11-23 02:53:53,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:53:53,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:53:53,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:53:53,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:53:53,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:53:53,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:53" (1/1) ... [2022-11-23 02:53:53,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5278d472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:53, skipping insertion in model container [2022-11-23 02:53:53,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:53" (1/1) ... [2022-11-23 02:53:53,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:53:53,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:53:54,028 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_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2022-11-23 02:53:54,034 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_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2022-11-23 02:53:54,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:53:54,072 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:53:54,143 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_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30247,30260] [2022-11-23 02:53:54,148 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_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/sv-benchmarks/c/pthread-atomic/time_var_mutex.i[30452,30465] [2022-11-23 02:53:54,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:53:54,210 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:53:54,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54 WrapperNode [2022-11-23 02:53:54,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:53:54,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:53:54,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:53:54,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:53:54,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (1/1) ... [2022-11-23 02:53:54,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (1/1) ... [2022-11-23 02:53:54,299 INFO L138 Inliner]: procedures = 169, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-11-23 02:53:54,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:53:54,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:53:54,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:53:54,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:53:54,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (1/1) ... [2022-11-23 02:53:54,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (1/1) ... [2022-11-23 02:53:54,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (1/1) ... [2022-11-23 02:53:54,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (1/1) ... [2022-11-23 02:53:54,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (1/1) ... [2022-11-23 02:53:54,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (1/1) ... [2022-11-23 02:53:54,342 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (1/1) ... [2022-11-23 02:53:54,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (1/1) ... [2022-11-23 02:53:54,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:53:54,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:53:54,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:53:54,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:53:54,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (1/1) ... [2022-11-23 02:53:54,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:53:54,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:53:54,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:53:54,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:53:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2022-11-23 02:53:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2022-11-23 02:53:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 02:53:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2022-11-23 02:53:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2022-11-23 02:53:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:53:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 02:53:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:53:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:53:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:53:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:53:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:53:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:53:54,443 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 02:53:54,687 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:53:54,690 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:53:54,948 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:53:54,957 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:53:54,957 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:53:54,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:54 BoogieIcfgContainer [2022-11-23 02:53:54,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:53:54,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:53:54,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:53:54,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:53:54,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:53:53" (1/3) ... [2022-11-23 02:53:54,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55970df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:53:54, skipping insertion in model container [2022-11-23 02:53:54,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:54" (2/3) ... [2022-11-23 02:53:54,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55970df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:53:54, skipping insertion in model container [2022-11-23 02:53:54,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:54" (3/3) ... [2022-11-23 02:53:54,973 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2022-11-23 02:53:54,985 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 02:53:54,995 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:53:54,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-23 02:53:54,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55970df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:53:54, skipping insertion in model container [2022-11-23 02:53:54,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:53:54,998 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:53:54,998 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:53:54,998 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:53:54,999 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:53:54" (3/3) ... [2022-11-23 02:53:55,003 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 02:53:55,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2022-11-23 02:53:55,012 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2022-11-23 02:53:55,017 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-23 02:53:55,018 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 02:53:55,018 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 02:53:55,018 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 02:53:55,068 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:53:55,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:53:55,080 INFO L158 Benchmark]: Toolchain (without parser) took 1482.60ms. Allocated memory is still 197.1MB. Free memory was 152.5MB in the beginning and 109.8MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-23 02:53:55,080 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:53:55,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.78ms. Allocated memory is still 197.1MB. Free memory was 152.5MB in the beginning and 132.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 02:53:55,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.73ms. Allocated memory is still 197.1MB. Free memory was 132.8MB in the beginning and 130.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:53:55,082 INFO L158 Benchmark]: Boogie Preprocessor took 46.56ms. Allocated memory is still 197.1MB. Free memory was 130.7MB in the beginning and 129.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:53:55,083 INFO L158 Benchmark]: RCFGBuilder took 612.47ms. Allocated memory is still 197.1MB. Free memory was 129.4MB in the beginning and 115.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 02:53:55,084 INFO L158 Benchmark]: TraceAbstraction took 32.23ms. Allocated memory is still 197.1MB. Free memory was 114.7MB in the beginning and 112.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:53:55,084 INFO L158 Benchmark]: Witness Printer took 70.86ms. Allocated memory is still 197.1MB. Free memory was 112.6MB in the beginning and 109.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:53:55,088 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 151.0MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.78ms. Allocated memory is still 197.1MB. Free memory was 152.5MB in the beginning and 132.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.73ms. Allocated memory is still 197.1MB. Free memory was 132.8MB in the beginning and 130.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.56ms. Allocated memory is still 197.1MB. Free memory was 130.7MB in the beginning and 129.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.47ms. Allocated memory is still 197.1MB. Free memory was 129.4MB in the beginning and 115.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 32.23ms. Allocated memory is still 197.1MB. Free memory was 114.7MB in the beginning and 112.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 70.86ms. Allocated memory is still 197.1MB. Free memory was 112.6MB in the beginning and 109.8MB in the end (delta: 2.9MB). 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! [2022-11-23 02:53:55,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd6c7d54-2d7d-4301-8e80-15e9dcae9ae4/bin/uautomizer-QkZJyEgLgS/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