./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH --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 fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb --- 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-38b53e6 [2022-11-25 18:48:50,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:48:50,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:48:50,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:48:50,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:48:50,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:48:50,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:48:50,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:48:50,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:48:50,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:48:50,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:48:50,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:48:50,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:48:50,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:48:50,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:48:50,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:48:50,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:48:50,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:48:50,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:48:50,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:48:50,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:48:50,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:48:50,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:48:50,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:48:50,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:48:50,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:48:50,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:48:50,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:48:50,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:48:50,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:48:50,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:48:50,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:48:50,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:48:50,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:48:50,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:48:50,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:48:50,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:48:50,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:48:50,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:48:50,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:48:50,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:48:50,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-25 18:48:50,987 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:48:50,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:48:50,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:48:50,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:48:50,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:48:50,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:48:50,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:48:50,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:48:50,992 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:48:50,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:48:50,993 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:48:50,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:48:50,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:48:50,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:48:50,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:48:50,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:48:50,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:48:50,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:48:50,996 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:48:50,996 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:48:50,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:48:50,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:48:50,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:48:50,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:48:50,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:48:50,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:48:50,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:48:50,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:48:50,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:48:51,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:48:51,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:48:51,001 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-25 18:48:51,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:48:51,002 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-25 18:48:51,002 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-25 18:48:51,002 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-25 18:48:51,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:48:51,003 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-25 18:48:51,003 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-25 18:48:51,004 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_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb [2022-11-25 18:48:51,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:48:51,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:48:51,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:48:51,334 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:48:51,335 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:48:51,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/../../sv-benchmarks/c/pthread/bigshot_s2.i [2022-11-25 18:48:54,598 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:48:54,893 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:48:54,893 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/sv-benchmarks/c/pthread/bigshot_s2.i [2022-11-25 18:48:54,927 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/data/40761fa6f/22f1bf8d7a2c460b828afac034df611e/FLAGa03e49957 [2022-11-25 18:48:54,942 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/data/40761fa6f/22f1bf8d7a2c460b828afac034df611e [2022-11-25 18:48:54,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:48:54,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:48:54,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:48:54,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:48:54,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:48:54,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:54" (1/1) ... [2022-11-25 18:48:54,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6388765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:54, skipping insertion in model container [2022-11-25 18:48:54,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:54" (1/1) ... [2022-11-25 18:48:54,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:48:55,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:48:55,595 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_559a9b4e-3a04-414f-a5a1-ffb501e979d7/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2022-11-25 18:48:55,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:48:55,632 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:48:55,675 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_559a9b4e-3a04-414f-a5a1-ffb501e979d7/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2022-11-25 18:48:55,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:48:55,750 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:48:55,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55 WrapperNode [2022-11-25 18:48:55,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:48:55,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:48:55,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:48:55,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:48:55,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (1/1) ... [2022-11-25 18:48:55,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (1/1) ... [2022-11-25 18:48:55,800 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-25 18:48:55,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:48:55,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:48:55,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:48:55,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:48:55,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (1/1) ... [2022-11-25 18:48:55,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (1/1) ... [2022-11-25 18:48:55,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (1/1) ... [2022-11-25 18:48:55,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (1/1) ... [2022-11-25 18:48:55,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (1/1) ... [2022-11-25 18:48:55,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (1/1) ... [2022-11-25 18:48:55,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (1/1) ... [2022-11-25 18:48:55,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (1/1) ... [2022-11-25 18:48:55,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:48:55,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:48:55,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:48:55,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:48:55,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (1/1) ... [2022-11-25 18:48:55,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:48:55,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/z3 [2022-11-25 18:48:55,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:48:55,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:48:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:48:55,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:48:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 18:48:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:48:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 18:48:55,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 18:48:55,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 18:48:55,928 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 18:48:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:48:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 18:48:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:48:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:48:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:48:55,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:48:55,931 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:48:56,124 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:48:56,126 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:48:56,344 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:48:56,351 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:48:56,351 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 18:48:56,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:56 BoogieIcfgContainer [2022-11-25 18:48:56,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:48:56,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:48:56,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:48:56,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:48:56,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:48:54" (1/3) ... [2022-11-25 18:48:56,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103c6618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:48:56, skipping insertion in model container [2022-11-25 18:48:56,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:55" (2/3) ... [2022-11-25 18:48:56,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103c6618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:48:56, skipping insertion in model container [2022-11-25 18:48:56,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:56" (3/3) ... [2022-11-25 18:48:56,372 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2022-11-25 18:48:56,388 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:48:56,401 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:48:56,401 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-25 18:48:56,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103c6618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:48:56, skipping insertion in model container [2022-11-25 18:48:56,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:48:56,404 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:48:56,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:48:56,405 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:48:56,405 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:56" (3/3) ... [2022-11-25 18:48:56,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:48:56,419 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 18:48:56,419 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-25 18:48:56,429 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-25 18:48:56,430 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 18:48:56,430 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 18:48:56,430 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:48:56,430 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:48:56,495 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/witness.graphml [2022-11-25 18:48:56,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:48:56,499 INFO L158 Benchmark]: Toolchain (without parser) took 1551.06ms. Allocated memory is still 216.0MB. Free memory was 168.4MB in the beginning and 112.1MB in the end (delta: 56.3MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-25 18:48:56,501 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:48:56,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.74ms. Allocated memory is still 216.0MB. Free memory was 168.4MB in the beginning and 136.5MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-25 18:48:56,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.57ms. Allocated memory is still 216.0MB. Free memory was 136.5MB in the beginning and 133.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:48:56,502 INFO L158 Benchmark]: Boogie Preprocessor took 46.79ms. Allocated memory is still 216.0MB. Free memory was 133.7MB in the beginning and 132.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:48:56,503 INFO L158 Benchmark]: RCFGBuilder took 510.17ms. Allocated memory is still 216.0MB. Free memory was 132.3MB in the beginning and 117.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:48:56,504 INFO L158 Benchmark]: TraceAbstraction took 42.63ms. Allocated memory is still 216.0MB. Free memory was 116.9MB in the beginning and 114.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:48:56,504 INFO L158 Benchmark]: Witness Printer took 93.31ms. Allocated memory is still 216.0MB. Free memory was 114.7MB in the beginning and 112.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:48:56,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 146.8MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.74ms. Allocated memory is still 216.0MB. Free memory was 168.4MB in the beginning and 136.5MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.57ms. Allocated memory is still 216.0MB. Free memory was 136.5MB in the beginning and 133.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.79ms. Allocated memory is still 216.0MB. Free memory was 133.7MB in the beginning and 132.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.17ms. Allocated memory is still 216.0MB. Free memory was 132.3MB in the beginning and 117.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 42.63ms. Allocated memory is still 216.0MB. Free memory was 116.9MB in the beginning and 114.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 93.31ms. Allocated memory is still 216.0MB. Free memory was 114.7MB in the beginning and 112.1MB in the end (delta: 2.6MB). 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! [2022-11-25 18:48:56,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_559a9b4e-3a04-414f-a5a1-ffb501e979d7/bin/ugemcutter-syNpU3ikLH/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