./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-1_2-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b09c85b7 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_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/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_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_2-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/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_99e79bbb-3eee-406f-8415-db2c31d73e3e/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 fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- 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 07:43:42,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-08 07:43:42,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-08 07:43:42,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-08 07:43:42,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-08 07:43:42,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-08 07:43:42,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-08 07:43:42,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-08 07:43:42,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-08 07:43:42,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-08 07:43:42,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-08 07:43:42,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-08 07:43:42,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-08 07:43:42,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-08 07:43:42,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-08 07:43:42,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-08 07:43:42,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-08 07:43:42,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-08 07:43:42,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-08 07:43:42,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-08 07:43:42,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-08 07:43:42,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-08 07:43:42,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-08 07:43:42,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-08 07:43:42,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-08 07:43:42,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-08 07:43:42,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-08 07:43:42,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-08 07:43:42,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-08 07:43:42,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-08 07:43:42,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-08 07:43:42,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-08 07:43:42,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-08 07:43:42,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-08 07:43:42,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-08 07:43:42,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-08 07:43:42,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-08 07:43:42,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-08 07:43:42,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-08 07:43:42,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-08 07:43:42,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-08 07:43:42,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-08 07:43:42,700 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-08 07:43:42,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-08 07:43:42,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-08 07:43:42,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-08 07:43:42,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-08 07:43:42,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-08 07:43:42,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-08 07:43:42,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-08 07:43:42,703 INFO L138 SettingsManager]: * Use SBE=true [2022-11-08 07:43:42,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-08 07:43:42,704 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-08 07:43:42,704 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-08 07:43:42,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-08 07:43:42,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-08 07:43:42,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-08 07:43:42,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-08 07:43:42,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-08 07:43:42,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-08 07:43:42,705 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-08 07:43:42,705 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-08 07:43:42,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-08 07:43:42,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-08 07:43:42,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-08 07:43:42,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-08 07:43:42,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-08 07:43:42,707 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-08 07:43:42,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-08 07:43:42,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:43:42,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-08 07:43:42,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-08 07:43:42,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-08 07:43:42,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-08 07:43:42,708 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-08 07:43:42,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-08 07:43:42,708 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-08 07:43:42,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-08 07:43:42,709 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-08 07:43:42,709 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-08 07:43:42,709 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-08 07:43:42,709 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_99e79bbb-3eee-406f-8415-db2c31d73e3e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2022-11-08 07:43:43,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-08 07:43:43,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-08 07:43:43,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-08 07:43:43,041 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-08 07:43:43,042 INFO L275 PluginConnector]: CDTParser initialized [2022-11-08 07:43:43,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/../../sv-benchmarks/c/ldv-races/race-1_2-join.i [2022-11-08 07:43:43,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/data/f6f383a96/3cfd442ced544f07939a67271a68c68d/FLAG9eb0608cd [2022-11-08 07:43:43,769 INFO L306 CDTParser]: Found 1 translation units. [2022-11-08 07:43:43,771 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/sv-benchmarks/c/ldv-races/race-1_2-join.i [2022-11-08 07:43:43,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/data/f6f383a96/3cfd442ced544f07939a67271a68c68d/FLAG9eb0608cd [2022-11-08 07:43:43,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/data/f6f383a96/3cfd442ced544f07939a67271a68c68d [2022-11-08 07:43:43,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-08 07:43:43,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-08 07:43:43,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-08 07:43:43,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-08 07:43:43,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-08 07:43:43,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:43" (1/1) ... [2022-11-08 07:43:43,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c49cdbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:43, skipping insertion in model container [2022-11-08 07:43:43,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:43:43" (1/1) ... [2022-11-08 07:43:43,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-08 07:43:44,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-08 07:43:44,735 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_99e79bbb-3eee-406f-8415-db2c31d73e3e/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2022-11-08 07:43:44,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:43:44,780 INFO L203 MainTranslator]: Completed pre-run [2022-11-08 07:43:44,851 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_99e79bbb-3eee-406f-8415-db2c31d73e3e/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2022-11-08 07:43:44,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-08 07:43:45,024 INFO L208 MainTranslator]: Completed translation [2022-11-08 07:43:45,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45 WrapperNode [2022-11-08 07:43:45,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-08 07:43:45,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-08 07:43:45,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-08 07:43:45,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-08 07:43:45,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (1/1) ... [2022-11-08 07:43:45,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (1/1) ... [2022-11-08 07:43:45,102 INFO L138 Inliner]: procedures = 482, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2022-11-08 07:43:45,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-08 07:43:45,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-08 07:43:45,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-08 07:43:45,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-08 07:43:45,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (1/1) ... [2022-11-08 07:43:45,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (1/1) ... [2022-11-08 07:43:45,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (1/1) ... [2022-11-08 07:43:45,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (1/1) ... [2022-11-08 07:43:45,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (1/1) ... [2022-11-08 07:43:45,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (1/1) ... [2022-11-08 07:43:45,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (1/1) ... [2022-11-08 07:43:45,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (1/1) ... [2022-11-08 07:43:45,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-08 07:43:45,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-08 07:43:45,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-08 07:43:45,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-08 07:43:45,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (1/1) ... [2022-11-08 07:43:45,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-08 07:43:45,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/z3 [2022-11-08 07:43:45,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-08 07:43:45,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-08 07:43:45,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-08 07:43:45,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-08 07:43:45,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-08 07:43:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-08 07:43:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-08 07:43:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-08 07:43:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-08 07:43:45,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-08 07:43:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-08 07:43:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-08 07:43:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-08 07:43:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-08 07:43:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-08 07:43:45,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-08 07:43:45,245 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 07:43:45,569 INFO L235 CfgBuilder]: Building ICFG [2022-11-08 07:43:45,572 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-08 07:43:45,765 INFO L276 CfgBuilder]: Performing block encoding [2022-11-08 07:43:45,790 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-08 07:43:45,790 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-08 07:43:45,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:45 BoogieIcfgContainer [2022-11-08 07:43:45,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-08 07:43:45,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-08 07:43:45,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-08 07:43:45,799 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-08 07:43:45,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:43:43" (1/3) ... [2022-11-08 07:43:45,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50298443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:43:45, skipping insertion in model container [2022-11-08 07:43:45,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:43:45" (2/3) ... [2022-11-08 07:43:45,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50298443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:43:45, skipping insertion in model container [2022-11-08 07:43:45,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:45" (3/3) ... [2022-11-08 07:43:45,802 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2022-11-08 07:43:45,811 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-08 07:43:45,821 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-08 07:43:45,821 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-08 07:43:45,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50298443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:43:45, skipping insertion in model container [2022-11-08 07:43:45,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-08 07:43:45,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-08 07:43:45,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-08 07:43:45,824 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-08 07:43:45,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:43:45" (3/3) ... [2022-11-08 07:43:45,828 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-08 07:43:45,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-08 07:43:45,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-08 07:43:45,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-08 07:43:45,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-08 07:43:45,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-08 07:43:45,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/bin/ugemcutter-QpsTfqS70U/witness.graphml [2022-11-08 07:43:45,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-08 07:43:45,890 INFO L158 Benchmark]: Toolchain (without parser) took 1942.29ms. Allocated memory is still 107.0MB. Free memory was 66.9MB in the beginning and 47.1MB in the end (delta: 19.8MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-11-08 07:43:45,890 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-08 07:43:45,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1075.73ms. Allocated memory is still 107.0MB. Free memory was 66.7MB in the beginning and 78.5MB in the end (delta: -11.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-11-08 07:43:45,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.29ms. Allocated memory is still 107.0MB. Free memory was 78.5MB in the beginning and 75.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-08 07:43:45,892 INFO L158 Benchmark]: Boogie Preprocessor took 37.53ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 72.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:43:45,893 INFO L158 Benchmark]: RCFGBuilder took 651.23ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 52.9MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-08 07:43:45,893 INFO L158 Benchmark]: TraceAbstraction took 28.31ms. Allocated memory is still 107.0MB. Free memory was 51.9MB in the beginning and 50.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-08 07:43:45,894 INFO L158 Benchmark]: Witness Printer took 64.34ms. Allocated memory is still 107.0MB. Free memory was 50.0MB in the beginning and 47.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-08 07:43:45,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1075.73ms. Allocated memory is still 107.0MB. Free memory was 66.7MB in the beginning and 78.5MB in the end (delta: -11.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.29ms. Allocated memory is still 107.0MB. Free memory was 78.5MB in the beginning and 75.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.53ms. Allocated memory is still 107.0MB. Free memory was 75.3MB in the beginning and 72.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 651.23ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 52.9MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 28.31ms. Allocated memory is still 107.0MB. Free memory was 51.9MB in the beginning and 50.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 64.34ms. Allocated memory is still 107.0MB. Free memory was 50.0MB in the beginning and 47.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. 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 07:43:45,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99e79bbb-3eee-406f-8415-db2c31d73e3e/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