./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:41:22,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:41:22,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:41:22,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:41:22,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:41:22,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:41:22,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:41:22,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:41:22,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:41:22,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:41:22,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:41:22,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:41:22,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:41:22,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:41:22,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:41:22,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:41:22,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:41:22,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:41:22,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:41:22,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:41:22,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:41:22,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:41:22,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:41:22,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:41:22,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:41:22,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:41:22,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:41:22,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:41:22,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:41:22,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:41:22,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:41:22,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:41:22,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:41:22,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:41:22,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:41:22,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:41:22,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:41:22,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:41:22,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:41:22,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:41:22,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:41:22,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:41:22,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:41:22,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:41:22,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:41:22,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:41:22,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:41:22,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:41:22,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:41:22,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:41:22,592 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:41:22,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:41:22,594 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:41:22,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:41:22,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:41:22,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:41:22,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:41:22,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:41:22,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:41:22,595 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:41:22,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:41:22,596 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:41:22,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:41:22,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:41:22,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:41:22,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:41:22,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:41:22,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:41:22,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:41:22,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:41:22,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:41:22,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:41:22,600 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:41:22,601 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:41:22,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:41:22,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:41:22,601 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_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-20 06:41:22,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:41:23,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:41:23,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:41:23,005 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:41:23,006 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:41:23,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-20 06:41:23,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/data/aae0efab5/37b375ace23d407fab41fc9073c4b6e9/FLAG15b47522c [2021-11-20 06:41:23,896 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:41:23,898 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-20 06:41:23,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/data/aae0efab5/37b375ace23d407fab41fc9073c4b6e9/FLAG15b47522c [2021-11-20 06:41:24,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/data/aae0efab5/37b375ace23d407fab41fc9073c4b6e9 [2021-11-20 06:41:24,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:41:24,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:41:24,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:41:24,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:41:24,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:41:24,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48869baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24, skipping insertion in model container [2021-11-20 06:41:24,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:41:24,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:41:24,457 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-20 06:41:24,685 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_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-20 06:41:24,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:41:24,708 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:41:24,736 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-20 06:41:24,775 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_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-20 06:41:24,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:41:24,818 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:41:24,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24 WrapperNode [2021-11-20 06:41:24,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:41:24,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:41:24,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:41:24,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:41:24,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,893 INFO L137 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-11-20 06:41:24,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:41:24,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:41:24,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:41:24,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:41:24,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:41:24,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:41:24,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:41:24,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:41:24,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:24" (1/1) ... [2021-11-20 06:41:24,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:41:24,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:41:24,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:41:25,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:41:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:41:25,057 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-20 06:41:25,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-20 06:41:25,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:41:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 06:41:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:41:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:41:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:41:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:41:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 06:41:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:41:25,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:41:25,062 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:41:25,245 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:41:25,261 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:41:25,456 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:41:25,515 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:41:25,516 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:41:25,517 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-11-20 06:41:25,521 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) [2021-11-20 06:41:25,526 INFO L158 Benchmark]: Toolchain (without parser) took 1409.15ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 44.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-11-20 06:41:25,528 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 94.4MB. Free memory was 65.2MB in the beginning and 65.1MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:41:25,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.80ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 62.1MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:41:25,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.37ms. Allocated memory is still 94.4MB. Free memory was 61.7MB in the beginning and 60.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:41:25,532 INFO L158 Benchmark]: Boogie Preprocessor took 63.76ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 58.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:41:25,533 INFO L158 Benchmark]: RCFGBuilder took 565.16ms. Allocated memory is still 94.4MB. Free memory was 58.5MB in the beginning and 44.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 06:41:25,538 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 94.4MB. Free memory was 65.2MB in the beginning and 65.1MB in the end (delta: 32.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.80ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 62.1MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.37ms. Allocated memory is still 94.4MB. Free memory was 61.7MB in the beginning and 60.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.76ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 58.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 565.16ms. Allocated memory is still 94.4MB. Free memory was 58.5MB in the beginning and 44.2MB in the end (delta: 14.3MB). 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. [2021-11-20 06:41:25,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/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_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:41:28,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:41:28,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:41:28,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:41:28,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:41:28,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:41:28,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:41:28,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:41:28,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:41:28,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:41:28,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:41:28,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:41:28,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:41:28,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:41:28,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:41:28,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:41:28,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:41:28,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:41:28,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:41:28,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:41:28,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:41:28,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:41:28,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:41:28,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:41:28,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:41:28,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:41:28,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:41:28,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:41:28,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:41:28,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:41:28,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:41:28,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:41:28,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:41:28,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:41:28,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:41:28,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:41:28,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:41:28,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:41:28,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:41:28,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:41:28,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:41:28,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 06:41:28,818 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:41:28,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:41:28,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:41:28,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:41:28,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:41:28,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:41:28,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:41:28,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:41:28,824 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:41:28,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:41:28,826 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:41:28,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:41:28,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:41:28,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:41:28,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:41:28,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:41:28,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:41:28,828 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 06:41:28,828 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 06:41:28,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:41:28,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:41:28,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:41:28,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:41:28,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:41:28,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:41:28,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:41:28,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:41:28,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:41:28,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:41:28,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:41:28,831 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 06:41:28,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 06:41:28,832 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:41:28,832 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:41:28,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:41:28,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:41:28,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 06:41:28,833 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_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-11-20 06:41:29,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:41:29,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:41:29,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:41:29,305 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:41:29,306 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:41:29,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-20 06:41:29,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/data/085aa30f4/78a9541c653a4660b7b14997a4007a09/FLAG6d9784b09 [2021-11-20 06:41:30,075 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:41:30,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-11-20 06:41:30,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/data/085aa30f4/78a9541c653a4660b7b14997a4007a09/FLAG6d9784b09 [2021-11-20 06:41:30,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/data/085aa30f4/78a9541c653a4660b7b14997a4007a09 [2021-11-20 06:41:30,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:41:30,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:41:30,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:41:30,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:41:30,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:41:30,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:30,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289bdbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30, skipping insertion in model container [2021-11-20 06:41:30,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:30,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:41:30,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:41:30,561 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-20 06:41:30,833 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_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-20 06:41:30,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:41:30,865 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:41:30,896 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-20 06:41:30,923 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_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-11-20 06:41:30,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:41:30,968 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:41:30,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30 WrapperNode [2021-11-20 06:41:30,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:41:30,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:41:30,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:41:30,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:41:30,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:30,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:31,019 INFO L137 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2021-11-20 06:41:31,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:41:31,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:41:31,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:41:31,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:41:31,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:31,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:31,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:31,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:31,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:31,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:31,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:31,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:41:31,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:41:31,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:41:31,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:41:31,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:41:30" (1/1) ... [2021-11-20 06:41:31,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:41:31,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:41:31,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:41:31,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:41:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 06:41:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-20 06:41:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-20 06:41:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 06:41:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:41:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:41:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:41:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 06:41:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 06:41:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 06:41:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 06:41:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:41:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:41:31,142 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 06:41:31,264 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:41:31,265 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:41:31,460 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:41:31,527 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:41:31,527 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:41:31,534 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-11-20 06:41:31,536 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) [2021-11-20 06:41:31,543 INFO L158 Benchmark]: Toolchain (without parser) took 1223.44ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 54.2MB in the beginning and 70.5MB in the end (delta: -16.3MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2021-11-20 06:41:31,545 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 73.4MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:41:31,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.99ms. Allocated memory is still 73.4MB. Free memory was 53.9MB in the beginning and 46.7MB in the end (delta: 7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:41:31,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.66ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 44.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:41:31,548 INFO L158 Benchmark]: Boogie Preprocessor took 36.76ms. Allocated memory is still 73.4MB. Free memory was 44.6MB in the beginning and 43.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:41:31,550 INFO L158 Benchmark]: RCFGBuilder took 482.62ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 42.8MB in the beginning and 70.5MB in the end (delta: -27.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-20 06:41:31,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 73.4MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 50.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.99ms. Allocated memory is still 73.4MB. Free memory was 53.9MB in the beginning and 46.7MB in the end (delta: 7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.66ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 44.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.76ms. Allocated memory is still 73.4MB. Free memory was 44.6MB in the beginning and 43.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 482.62ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 42.8MB in the beginning and 70.5MB in the end (delta: -27.6MB). 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. [2021-11-20 06:41:31,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0bfa75-abd1-4012-a594-bb03c9f51ec7/bin/uautomizer-DQz5hQGWxF/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?