./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w --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 c361ebc03d879240d418527d643e8a7b3c7ac084ceb3e66857b21a687a1c7f90 --- 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-2329fc7 [2022-12-13 08:50:47,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:50:47,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:50:47,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:50:47,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:50:47,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:50:47,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:50:47,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:50:47,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:50:47,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:50:47,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:50:47,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:50:47,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:50:47,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:50:47,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:50:47,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:50:47,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:50:47,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:50:47,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:50:47,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:50:47,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:50:47,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:50:47,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:50:47,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:50:47,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:50:47,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:50:47,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:50:47,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:50:47,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:50:47,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:50:47,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:50:47,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:50:47,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:50:47,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:50:47,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:50:47,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:50:47,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:50:47,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:50:47,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:50:47,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:50:47,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:50:47,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-12-13 08:50:47,696 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:50:47,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:50:47,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:50:47,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:50:47,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:50:47,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:50:47,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:50:47,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:50:47,698 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:50:47,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:50:47,699 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:50:47,699 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 08:50:47,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 08:50:47,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:50:47,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:50:47,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 08:50:47,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:50:47,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 08:50:47,700 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 08:50:47,700 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:50:47,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 08:50:47,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:50:47,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 08:50:47,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:50:47,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:50:47,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:50:47,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:50:47,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:50:47,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:50:47,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 08:50:47,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 08:50:47,702 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 08:50:47,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 08:50:47,702 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:50:47,702 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 08:50:47,703 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:50:47,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 08:50:47,703 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:50:47,703 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:50:47,703 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_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c361ebc03d879240d418527d643e8a7b3c7ac084ceb3e66857b21a687a1c7f90 [2022-12-13 08:50:47,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:50:47,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:50:47,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:50:47,887 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:50:47,887 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:50:47,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2022-12-13 08:50:50,544 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:50:50,691 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:50:50,692 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2022-12-13 08:50:50,697 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/data/cab39ba7f/9e8291941cc342ea88f2071d0b6a250b/FLAG716254cb6 [2022-12-13 08:50:50,708 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/data/cab39ba7f/9e8291941cc342ea88f2071d0b6a250b [2022-12-13 08:50:50,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:50:50,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:50:50,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:50:50,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:50:50,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:50:50,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618b6cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50, skipping insertion in model container [2022-12-13 08:50:50,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:50:50,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:50:50,852 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_5c480c9d-f71a-4c19-a578-9286f64f60ae/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c[2133,2146] [2022-12-13 08:50:50,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:50:50,862 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:50:50,880 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_5c480c9d-f71a-4c19-a578-9286f64f60ae/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c[2133,2146] [2022-12-13 08:50:50,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:50:50,891 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:50:50,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50 WrapperNode [2022-12-13 08:50:50,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:50:50,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:50:50,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:50:50,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:50:50,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,918 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-12-13 08:50:50,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:50:50,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:50:50,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:50:50,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:50:50,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:50:50,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:50:50,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:50:50,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:50:50,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (1/1) ... [2022-12-13 08:50:50,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:50:50,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:50:50,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:50:50,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:50:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:50:50,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 08:50:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 08:50:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 08:50:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 08:50:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 08:50:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:50:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 08:50:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:50:50,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:50:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 08:50:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:50:51,001 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 08:50:51,074 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:50:51,076 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:50:51,181 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:50:51,186 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:50:51,186 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 08:50:51,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:50:51 BoogieIcfgContainer [2022-12-13 08:50:51,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 08:50:51,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 08:50:51,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 08:50:51,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 08:50:51,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:50:50" (1/3) ... [2022-12-13 08:50:51,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df0d136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:50:51, skipping insertion in model container [2022-12-13 08:50:51,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:50:50" (2/3) ... [2022-12-13 08:50:51,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df0d136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:50:51, skipping insertion in model container [2022-12-13 08:50:51,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:50:51" (3/3) ... [2022-12-13 08:50:51,194 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c [2022-12-13 08:50:51,201 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 08:50:51,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 08:50:51,209 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-12-13 08:50:51,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df0d136 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:50:51, skipping insertion in model container [2022-12-13 08:50:51,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 08:50:51,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 08:50:51,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 08:50:51,211 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 08:50:51,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:50:51" (3/3) ... [2022-12-13 08:50:51,214 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 08:50:51,219 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 08:50:51,219 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 08:50:51,222 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 08:50:51,222 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 08:50:51,223 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 08:50:51,223 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 08:50:51,254 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/witness.graphml [2022-12-13 08:50:51,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 08:50:51,255 INFO L158 Benchmark]: Toolchain (without parser) took 543.97ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 70.7MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-13 08:50:51,256 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 08:50:51,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.41ms. Allocated memory is still 132.1MB. Free memory was 101.4MB in the beginning and 90.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 08:50:51,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.61ms. Allocated memory is still 132.1MB. Free memory was 90.9MB in the beginning and 89.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 08:50:51,257 INFO L158 Benchmark]: Boogie Preprocessor took 20.60ms. Allocated memory is still 132.1MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:50:51,258 INFO L158 Benchmark]: RCFGBuilder took 247.89ms. Allocated memory is still 132.1MB. Free memory was 87.9MB in the beginning and 76.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 08:50:51,258 INFO L158 Benchmark]: TraceAbstraction took 20.55ms. Allocated memory is still 132.1MB. Free memory was 75.3MB in the beginning and 73.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:50:51,258 INFO L158 Benchmark]: Witness Printer took 43.44ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 70.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 08:50:51,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 179.41ms. Allocated memory is still 132.1MB. Free memory was 101.4MB in the beginning and 90.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.61ms. Allocated memory is still 132.1MB. Free memory was 90.9MB in the beginning and 89.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.60ms. Allocated memory is still 132.1MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 247.89ms. Allocated memory is still 132.1MB. Free memory was 87.9MB in the beginning and 76.2MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 20.55ms. Allocated memory is still 132.1MB. Free memory was 75.3MB in the beginning and 73.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 43.44ms. Allocated memory is still 132.1MB. Free memory was 73.3MB in the beginning and 70.7MB in the end (delta: 2.7MB). 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! [2022-12-13 08:50:51,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c480c9d-f71a-4c19-a578-9286f64f60ae/bin/ugemcutter-rbreBovr8w/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