./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/security.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/security.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k --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 417dec4be084b2867b601c43d125afd61f7d3912bd17641ca10c0f094ab6abe0 --- 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-8393723 [2022-11-18 01:41:57,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 01:41:57,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 01:41:57,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 01:41:57,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 01:41:57,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 01:41:57,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 01:41:57,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 01:41:57,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 01:41:57,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 01:41:57,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 01:41:57,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 01:41:57,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 01:41:57,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 01:41:57,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 01:41:57,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 01:41:57,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 01:41:57,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 01:41:57,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 01:41:57,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 01:41:57,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 01:41:57,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 01:41:57,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 01:41:57,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 01:41:57,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 01:41:57,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 01:41:57,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 01:41:57,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 01:41:57,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 01:41:57,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 01:41:57,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 01:41:57,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 01:41:57,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 01:41:57,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 01:41:57,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 01:41:57,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 01:41:57,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 01:41:57,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 01:41:57,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 01:41:57,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 01:41:57,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 01:41:57,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2022-11-18 01:41:57,589 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 01:41:57,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 01:41:57,590 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 01:41:57,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 01:41:57,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 01:41:57,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 01:41:57,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 01:41:57,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 01:41:57,593 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 01:41:57,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 01:41:57,594 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 01:41:57,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 01:41:57,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 01:41:57,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 01:41:57,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 01:41:57,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 01:41:57,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 01:41:57,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 01:41:57,596 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 01:41:57,596 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 01:41:57,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 01:41:57,597 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 01:41:57,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 01:41:57,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 01:41:57,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 01:41:57,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-18 01:41:57,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 01:41:57,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:41:57,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 01:41:57,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 01:41:57,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 01:41:57,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 01:41:57,601 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-11-18 01:41:57,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 01:41:57,601 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 01:41:57,602 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-18 01:41:57,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-18 01:41:57,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 01:41:57,602 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-18 01:41:57,602 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-18 01:41:57,603 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_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 417dec4be084b2867b601c43d125afd61f7d3912bd17641ca10c0f094ab6abe0 [2022-11-18 01:41:57,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 01:41:58,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 01:41:58,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 01:41:58,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 01:41:58,024 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 01:41:58,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/../../sv-benchmarks/c/weaver/security.wvr.c [2022-11-18 01:41:58,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/data/ebe40faa3/54bfd70334f147dc8c5024f697b9ae8c/FLAGf22c8e44c [2022-11-18 01:41:58,569 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 01:41:58,569 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/sv-benchmarks/c/weaver/security.wvr.c [2022-11-18 01:41:58,578 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/data/ebe40faa3/54bfd70334f147dc8c5024f697b9ae8c/FLAGf22c8e44c [2022-11-18 01:41:58,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/data/ebe40faa3/54bfd70334f147dc8c5024f697b9ae8c [2022-11-18 01:41:58,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 01:41:58,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 01:41:58,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 01:41:58,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 01:41:58,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 01:41:58,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:41:58" (1/1) ... [2022-11-18 01:41:58,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b78e690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:58, skipping insertion in model container [2022-11-18 01:41:58,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:41:58" (1/1) ... [2022-11-18 01:41:58,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 01:41:58,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 01:41:59,175 WARN L234 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_9c2b7b99-4107-45bf-ac30-914e7cbd847f/sv-benchmarks/c/weaver/security.wvr.c[1931,1944] [2022-11-18 01:41:59,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:41:59,186 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 01:41:59,205 WARN L234 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_9c2b7b99-4107-45bf-ac30-914e7cbd847f/sv-benchmarks/c/weaver/security.wvr.c[1931,1944] [2022-11-18 01:41:59,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 01:41:59,221 INFO L208 MainTranslator]: Completed translation [2022-11-18 01:41:59,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59 WrapperNode [2022-11-18 01:41:59,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 01:41:59,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 01:41:59,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 01:41:59,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 01:41:59,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (1/1) ... [2022-11-18 01:41:59,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (1/1) ... [2022-11-18 01:41:59,264 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-11-18 01:41:59,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 01:41:59,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 01:41:59,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 01:41:59,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 01:41:59,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (1/1) ... [2022-11-18 01:41:59,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (1/1) ... [2022-11-18 01:41:59,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (1/1) ... [2022-11-18 01:41:59,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (1/1) ... [2022-11-18 01:41:59,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (1/1) ... [2022-11-18 01:41:59,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (1/1) ... [2022-11-18 01:41:59,295 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (1/1) ... [2022-11-18 01:41:59,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (1/1) ... [2022-11-18 01:41:59,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 01:41:59,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 01:41:59,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 01:41:59,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 01:41:59,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (1/1) ... [2022-11-18 01:41:59,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 01:41:59,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/z3 [2022-11-18 01:41:59,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 01:41:59,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 01:41:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 01:41:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 01:41:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 01:41:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 01:41:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 01:41:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 01:41:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 01:41:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 01:41:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 01:41:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 01:41:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 01:41:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 01:41:59,401 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 01:41:59,536 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 01:41:59,538 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 01:41:59,709 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 01:41:59,717 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 01:41:59,717 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 01:41:59,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:59 BoogieIcfgContainer [2022-11-18 01:41:59,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 01:41:59,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 01:41:59,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 01:41:59,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 01:41:59,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:41:58" (1/3) ... [2022-11-18 01:41:59,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60bcbd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:41:59, skipping insertion in model container [2022-11-18 01:41:59,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:59" (2/3) ... [2022-11-18 01:41:59,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60bcbd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:41:59, skipping insertion in model container [2022-11-18 01:41:59,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:59" (3/3) ... [2022-11-18 01:41:59,733 INFO L112 eAbstractionObserver]: Analyzing ICFG security.wvr.c [2022-11-18 01:41:59,741 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 01:41:59,752 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 01:41:59,752 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-18 01:41:59,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60bcbd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:41:59, skipping insertion in model container [2022-11-18 01:41:59,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 01:41:59,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 01:41:59,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 01:41:59,755 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 01:41:59,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:59" (3/3) ... [2022-11-18 01:41:59,759 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 01:41:59,765 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 01:41:59,765 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 01:41:59,770 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-18 01:41:59,770 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 01:41:59,770 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 01:41:59,771 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 01:41:59,823 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/witness.graphml [2022-11-18 01:41:59,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 01:41:59,825 INFO L158 Benchmark]: Toolchain (without parser) took 895.43ms. Allocated memory is still 159.4MB. Free memory was 124.9MB in the beginning and 114.8MB in the end (delta: 10.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-18 01:41:59,826 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory was 74.6MB in the beginning and 74.5MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:41:59,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.72ms. Allocated memory is still 159.4MB. Free memory was 124.9MB in the beginning and 134.9MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 01:41:59,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.02ms. Allocated memory is still 159.4MB. Free memory was 134.9MB in the beginning and 133.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 01:41:59,828 INFO L158 Benchmark]: Boogie Preprocessor took 31.58ms. Allocated memory is still 159.4MB. Free memory was 133.2MB in the beginning and 132.4MB in the end (delta: 831.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 01:41:59,828 INFO L158 Benchmark]: RCFGBuilder took 421.15ms. Allocated memory is still 159.4MB. Free memory was 132.0MB in the beginning and 120.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 01:41:59,829 INFO L158 Benchmark]: TraceAbstraction took 31.75ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 117.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 01:41:59,829 INFO L158 Benchmark]: Witness Printer took 69.10ms. Allocated memory is still 159.4MB. Free memory was 117.6MB in the beginning and 114.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 01:41:59,832 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 100.7MB. Free memory was 74.6MB in the beginning and 74.5MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.72ms. Allocated memory is still 159.4MB. Free memory was 124.9MB in the beginning and 134.9MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.02ms. Allocated memory is still 159.4MB. Free memory was 134.9MB in the beginning and 133.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.58ms. Allocated memory is still 159.4MB. Free memory was 133.2MB in the beginning and 132.4MB in the end (delta: 831.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.15ms. Allocated memory is still 159.4MB. Free memory was 132.0MB in the beginning and 120.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 31.75ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 117.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 69.10ms. Allocated memory is still 159.4MB. Free memory was 117.6MB in the beginning and 114.8MB in the end (delta: 2.8MB). 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! [2022-11-18 01:41:59,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c2b7b99-4107-45bf-ac30-914e7cbd847f/bin/ugemcutter-AnMVkTqH3k/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