./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:43:31,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:43:31,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:43:31,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:43:31,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:43:31,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:43:31,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:43:31,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:43:31,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:43:31,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:43:31,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:43:31,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:43:31,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:43:31,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:43:31,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:43:31,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:43:31,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:43:31,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:43:31,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:43:31,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:43:31,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:43:31,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:43:31,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:43:31,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:43:31,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:43:31,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:43:31,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:43:31,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:43:31,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:43:31,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:43:31,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:43:31,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:43:31,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:43:31,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:43:31,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:43:31,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:43:31,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:43:31,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:43:31,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:43:31,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:43:31,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:43:31,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-12-07 09:43:31,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:43:31,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:43:31,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:43:31,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:43:31,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:43:31,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:43:31,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:43:31,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:43:31,724 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:43:31,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:43:31,726 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:43:31,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:43:31,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:43:31,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:43:31,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:43:31,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:43:31,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:43:31,727 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:43:31,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:43:31,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:43:31,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:43:31,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:43:31,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:43:31,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:43:31,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:43:31,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:43:31,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:43:31,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:43:31,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:43:31,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:43:31,731 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:43:31,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:43:31,732 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:43:31,732 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:43:31,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:43:31,733 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:43:31,733 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:43:31,733 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_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-12-07 09:43:32,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:43:32,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:43:32,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:43:32,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:43:32,036 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:43:32,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-07 09:43:32,095 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/data/f971a6f44/83884f77a0de49a1b21b4e284b2ddc6e/FLAGc1310256f [2021-12-07 09:43:32,580 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:43:32,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-07 09:43:32,596 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/data/f971a6f44/83884f77a0de49a1b21b4e284b2ddc6e/FLAGc1310256f [2021-12-07 09:43:32,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/data/f971a6f44/83884f77a0de49a1b21b4e284b2ddc6e [2021-12-07 09:43:32,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:43:32,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:43:32,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:32,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:43:32,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:43:32,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:32" (1/1) ... [2021-12-07 09:43:32,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed41583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:32, skipping insertion in model container [2021-12-07 09:43:32,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:32" (1/1) ... [2021-12-07 09:43:32,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:43:33,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:43:33,211 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-07 09:43:33,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-12-07 09:43:33,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:43:33,433 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 09:43:33,459 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-07 09:43:33,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-12-07 09:43:33,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:43:33,538 INFO L208 MainTranslator]: Completed translation [2021-12-07 09:43:33,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33 WrapperNode [2021-12-07 09:43:33,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:33,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 09:43:33,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 09:43:33,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 09:43:33,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33" (1/1) ... [2021-12-07 09:43:33,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33" (1/1) ... [2021-12-07 09:43:33,606 INFO L137 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-12-07 09:43:33,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 09:43:33,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 09:43:33,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 09:43:33,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 09:43:33,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33" (1/1) ... [2021-12-07 09:43:33,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33" (1/1) ... [2021-12-07 09:43:33,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33" (1/1) ... [2021-12-07 09:43:33,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33" (1/1) ... [2021-12-07 09:43:33,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33" (1/1) ... [2021-12-07 09:43:33,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33" (1/1) ... [2021-12-07 09:43:33,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33" (1/1) ... [2021-12-07 09:43:33,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 09:43:33,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 09:43:33,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 09:43:33,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 09:43:33,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:33" (1/1) ... [2021-12-07 09:43:33,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:43:33,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:43:33,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 09:43:33,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 09:43:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 09:43:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-07 09:43:33,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-07 09:43:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 09:43:33,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-07 09:43:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 09:43:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 09:43:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 09:43:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 09:43:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-07 09:43:33,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 09:43:33,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 09:43:33,758 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 09:43:33,902 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 09:43:33,904 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 09:43:34,110 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 09:43:34,172 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 09:43:34,172 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 09:43:34,173 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-12-07 09:43:34,173 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-07 09:43:34,177 INFO L158 Benchmark]: Toolchain (without parser) took 1235.55ms. Allocated memory is still 100.7MB. Free memory was 57.6MB in the beginning and 46.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-12-07 09:43:34,177 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:43:34,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.08ms. Allocated memory is still 100.7MB. Free memory was 57.4MB in the beginning and 64.5MB in the end (delta: -7.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-12-07 09:43:34,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.16ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 09:43:34,180 INFO L158 Benchmark]: Boogie Preprocessor took 60.42ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 61.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 09:43:34,181 INFO L158 Benchmark]: RCFGBuilder took 506.72ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 46.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-07 09:43:34,184 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.08ms. Allocated memory is still 100.7MB. Free memory was 57.4MB in the beginning and 64.5MB in the end (delta: -7.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.16ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.42ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 61.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.72ms. Allocated memory is still 100.7MB. Free memory was 61.1MB in the beginning and 46.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-07 09:43:34,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:43:36,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:43:36,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:43:36,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:43:36,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:43:36,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:43:36,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:43:36,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:43:36,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:43:36,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:43:36,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:43:36,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:43:36,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:43:36,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:43:36,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:43:36,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:43:36,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:43:36,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:43:36,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:43:36,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:43:36,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:43:36,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:43:36,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:43:36,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:43:36,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:43:36,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:43:36,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:43:36,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:43:36,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:43:36,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:43:36,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:43:36,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:43:36,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:43:36,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:43:36,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:43:36,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:43:36,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:43:36,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:43:36,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:43:36,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:43:36,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:43:36,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-12-07 09:43:36,743 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:43:36,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:43:36,744 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:43:36,744 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:43:36,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:43:36,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:43:36,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:43:36,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:43:36,747 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:43:36,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:43:36,748 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:43:36,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:43:36,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:43:36,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:43:36,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:43:36,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:43:36,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-07 09:43:36,749 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-07 09:43:36,750 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:43:36,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:43:36,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:43:36,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:43:36,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:43:36,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:43:36,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:43:36,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:43:36,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:43:36,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:43:36,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:43:36,752 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-07 09:43:36,752 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-12-07 09:43:36,752 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-07 09:43:36,752 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:43:36,753 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:43:36,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:43:36,753 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:43:36,753 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:43:36,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-07 09:43:36,754 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-12-07 09:43:37,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:43:37,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:43:37,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:43:37,120 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:43:37,120 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:43:37,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-07 09:43:37,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/data/4fdf3da27/0ad3b55b197640669436c3a881149848/FLAG051af7b26 [2021-12-07 09:43:37,803 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:43:37,804 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-07 09:43:37,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/data/4fdf3da27/0ad3b55b197640669436c3a881149848/FLAG051af7b26 [2021-12-07 09:43:38,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/data/4fdf3da27/0ad3b55b197640669436c3a881149848 [2021-12-07 09:43:38,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:43:38,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:43:38,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:38,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:43:38,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:43:38,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251e6bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38, skipping insertion in model container [2021-12-07 09:43:38,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:43:38,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:43:38,397 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-07 09:43:38,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-12-07 09:43:38,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:43:38,622 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 09:43:38,652 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-07 09:43:38,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-12-07 09:43:38,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:43:38,748 INFO L208 MainTranslator]: Completed translation [2021-12-07 09:43:38,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38 WrapperNode [2021-12-07 09:43:38,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:38,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 09:43:38,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 09:43:38,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 09:43:38,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,827 INFO L137 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2021-12-07 09:43:38,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 09:43:38,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 09:43:38,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 09:43:38,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 09:43:38,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 09:43:38,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 09:43:38,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 09:43:38,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 09:43:38,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:38" (1/1) ... [2021-12-07 09:43:38,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:43:38,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:43:38,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 09:43:38,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 09:43:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-07 09:43:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-07 09:43:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-07 09:43:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-07 09:43:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 09:43:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 09:43:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 09:43:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-07 09:43:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-07 09:43:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-07 09:43:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-07 09:43:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 09:43:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 09:43:38,955 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 09:43:39,157 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 09:43:39,159 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 09:43:39,331 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 09:43:39,411 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 09:43:39,411 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 09:43:39,413 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-12-07 09:43:39,414 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-07 09:43:39,420 INFO L158 Benchmark]: Toolchain (without parser) took 1265.17ms. Allocated memory is still 75.5MB. Free memory was 52.4MB in the beginning and 49.1MB in the end (delta: 3.3MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-12-07 09:43:39,421 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:43:39,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.15ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 48.6MB in the end (delta: 3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-07 09:43:39,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.27ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 46.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 09:43:39,425 INFO L158 Benchmark]: Boogie Preprocessor took 40.47ms. Allocated memory is still 75.5MB. Free memory was 46.3MB in the beginning and 44.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 09:43:39,425 INFO L158 Benchmark]: RCFGBuilder took 547.90ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 49.1MB in the end (delta: -4.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-12-07 09:43:39,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.15ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 48.6MB in the end (delta: 3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.27ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 46.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.47ms. Allocated memory is still 75.5MB. Free memory was 46.3MB in the beginning and 44.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.90ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 49.1MB in the end (delta: -4.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-07 09:43:39,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b58aa5f-9468-4b71-857b-d089287542c6/bin/ugemcutter-YQQFZV6HUA/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?