./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab58a74d0245356855d70b5481e4a43203b674a9 .................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab58a74d0245356855d70b5481e4a43203b674a9 ......................................................................................................................................................................................................... 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? --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:10:10,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:10:10,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:10:10,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:10:10,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:10:10,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:10:10,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:10:10,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:10:11,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:10:11,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:10:11,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:10:11,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:10:11,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:10:11,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:10:11,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:10:11,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:10:11,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:10:11,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:10:11,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:10:11,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:10:11,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:10:11,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:10:11,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:10:11,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:10:11,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:10:11,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:10:11,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:10:11,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:10:11,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:10:11,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:10:11,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:10:11,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:10:11,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:10:11,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:10:11,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:10:11,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:10:11,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:10:11,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:10:11,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:10:11,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:10:11,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:10:11,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:10:11,136 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:10:11,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:10:11,138 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:10:11,139 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:10:11,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:10:11,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:10:11,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:10:11,140 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:10:11,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:10:11,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:10:11,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:10:11,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:10:11,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:10:11,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:10:11,143 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:10:11,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:10:11,144 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:10:11,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:10:11,145 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:10:11,145 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:10:11,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:10:11,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:10:11,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:10:11,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:10:11,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:10:11,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:10:11,147 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:10:11,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:10:11,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:10:11,149 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-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab58a74d0245356855d70b5481e4a43203b674a9 [2020-11-29 20:10:11,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:10:11,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:10:11,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:10:11,535 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:10:11,536 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:10:11,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2020-11-29 20:10:11,617 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/data/70a7e6e0f/c3dae79737f140e192707d65702a532a/FLAGa87bf3b88 [2020-11-29 20:10:12,473 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:10:12,474 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2020-11-29 20:10:12,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/data/70a7e6e0f/c3dae79737f140e192707d65702a532a/FLAGa87bf3b88 [2020-11-29 20:10:12,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/data/70a7e6e0f/c3dae79737f140e192707d65702a532a [2020-11-29 20:10:12,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:10:12,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:10:12,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:10:12,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:10:12,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:10:12,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:10:12" (1/1) ... [2020-11-29 20:10:12,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696c913f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:12, skipping insertion in model container [2020-11-29 20:10:12,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:10:12" (1/1) ... [2020-11-29 20:10:12,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:10:12,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:10:13,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:10:13,207 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:10:13,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:10:13,377 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:10:13,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:13 WrapperNode [2020-11-29 20:10:13,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:10:13,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:10:13,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:10:13,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:10:13,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:13" (1/1) ... [2020-11-29 20:10:13,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:13" (1/1) ... [2020-11-29 20:10:13,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:10:13,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:10:13,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:10:13,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:10:13,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:13" (1/1) ... [2020-11-29 20:10:13,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:13" (1/1) ... [2020-11-29 20:10:13,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:13" (1/1) ... [2020-11-29 20:10:13,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:13" (1/1) ... [2020-11-29 20:10:13,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:13" (1/1) ... [2020-11-29 20:10:13,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:13" (1/1) ... [2020-11-29 20:10:13,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:13" (1/1) ... [2020-11-29 20:10:13,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:10:13,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:10:13,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:10:13,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:10:13,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:10:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:10:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-29 20:10:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-29 20:10:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:10:13,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-11-29 20:10:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-11-29 20:10:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-29 20:10:13,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-29 20:10:13,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:10:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:10:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:10:13,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-11-29 20:10:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-11-29 20:10:13,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:10:13,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:10:13,610 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-29 20:10:15,081 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:10:15,081 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-29 20:10:15,082 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-11-29 20:10:15,084 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:301) 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) [2020-11-29 20:10:15,094 INFO L168 Benchmark]: Toolchain (without parser) took 2439.08 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 61.9 MB in the beginning and 36.1 MB in the end (delta: 25.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:10:15,095 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 56.4 MB in the beginning and 56.4 MB in the end (delta: 34.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:10:15,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.38 ms. Allocated memory is still 94.4 MB. Free memory was 61.6 MB in the beginning and 49.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:10:15,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.30 ms. Allocated memory is still 94.4 MB. Free memory was 49.2 MB in the beginning and 47.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:10:15,098 INFO L168 Benchmark]: Boogie Preprocessor took 37.62 ms. Allocated memory is still 94.4 MB. Free memory was 47.1 MB in the beginning and 45.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:10:15,100 INFO L168 Benchmark]: RCFGBuilder took 1611.34 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 45.0 MB in the beginning and 36.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:10:15,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 56.4 MB in the beginning and 56.4 MB in the end (delta: 34.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 720.38 ms. Allocated memory is still 94.4 MB. Free memory was 61.6 MB in the beginning and 49.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.30 ms. Allocated memory is still 94.4 MB. Free memory was 49.2 MB in the beginning and 47.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.62 ms. Allocated memory is still 94.4 MB. Free memory was 47.1 MB in the beginning and 45.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1611.34 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 45.0 MB in the beginning and 36.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 16.1 GB. * 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:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:10:18,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:10:18,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:10:18,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:10:18,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:10:18,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:10:18,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:10:18,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:10:18,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:10:18,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:10:18,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:10:18,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:10:18,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:10:18,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:10:18,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:10:18,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:10:18,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:10:18,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:10:18,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:10:18,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:10:18,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:10:18,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:10:18,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:10:18,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:10:18,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:10:18,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:10:18,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:10:18,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:10:18,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:10:18,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:10:18,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:10:18,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:10:18,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:10:18,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:10:18,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:10:18,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:10:18,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:10:18,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:10:18,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:10:18,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:10:18,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:10:18,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-29 20:10:18,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:10:18,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:10:18,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:10:18,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:10:18,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:10:18,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:10:18,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:10:18,486 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:10:18,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:10:18,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:10:18,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:10:18,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:10:18,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:10:18,489 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 20:10:18,489 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 20:10:18,489 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 20:10:18,490 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:10:18,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:10:18,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:10:18,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:10:18,491 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:10:18,491 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:10:18,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:10:18,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:10:18,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:10:18,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:10:18,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:10:18,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:10:18,493 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 20:10:18,493 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 20:10:18,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:10:18,494 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 20:10:18,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 20:10:18,495 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-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab58a74d0245356855d70b5481e4a43203b674a9 [2020-11-29 20:10:19,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:10:19,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:10:19,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:10:19,068 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:10:19,071 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:10:19,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2020-11-29 20:10:19,174 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/data/f9d3e9597/6453dee1e8dd47c294e5a01b7b1cb802/FLAGa73a0d092 [2020-11-29 20:10:19,941 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:10:19,942 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2020-11-29 20:10:19,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/data/f9d3e9597/6453dee1e8dd47c294e5a01b7b1cb802/FLAGa73a0d092 [2020-11-29 20:10:20,162 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/data/f9d3e9597/6453dee1e8dd47c294e5a01b7b1cb802 [2020-11-29 20:10:20,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:10:20,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:10:20,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:10:20,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:10:20,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:10:20,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:10:20" (1/1) ... [2020-11-29 20:10:20,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d693cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:20, skipping insertion in model container [2020-11-29 20:10:20,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:10:20" (1/1) ... [2020-11-29 20:10:20,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:10:20,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:10:20,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:10:20,902 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:10:20,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:10:21,110 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:10:21,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:21 WrapperNode [2020-11-29 20:10:21,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:10:21,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:10:21,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:10:21,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:10:21,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:21" (1/1) ... [2020-11-29 20:10:21,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:21" (1/1) ... [2020-11-29 20:10:21,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:10:21,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:10:21,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:10:21,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:10:21,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:21" (1/1) ... [2020-11-29 20:10:21,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:21" (1/1) ... [2020-11-29 20:10:21,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:21" (1/1) ... [2020-11-29 20:10:21,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:21" (1/1) ... [2020-11-29 20:10:21,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:21" (1/1) ... [2020-11-29 20:10:21,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:21" (1/1) ... [2020-11-29 20:10:21,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:21" (1/1) ... [2020-11-29 20:10:21,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:10:21,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:10:21,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:10:21,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:10:21,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:10:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c5cb1d04-5112-4e88-af49-2df878f61c8d/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:10:21,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 20:10:21,375 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-29 20:10:21,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-29 20:10:21,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-11-29 20:10:21,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-11-29 20:10:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-29 20:10:21,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-29 20:10:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:10:21,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:10:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 20:10:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 20:10:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-29 20:10:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-11-29 20:10:21,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-11-29 20:10:21,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:10:21,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:10:21,381 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-29 20:10:22,835 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:10:22,836 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-29 20:10:22,837 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-11-29 20:10:22,838 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:301) 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) [2020-11-29 20:10:22,848 INFO L168 Benchmark]: Toolchain (without parser) took 2677.00 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 43.8 MB in the beginning and 39.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:10:22,850 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 65.0 MB. Free memory was 46.7 MB in the beginning and 46.7 MB in the end (delta: 84.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:10:22,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 943.76 ms. Allocated memory is still 65.0 MB. Free memory was 43.6 MB in the beginning and 29.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:10:22,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.03 ms. Allocated memory is still 65.0 MB. Free memory was 29.2 MB in the beginning and 26.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:10:22,854 INFO L168 Benchmark]: Boogie Preprocessor took 79.41 ms. Allocated memory is still 65.0 MB. Free memory was 26.8 MB in the beginning and 45.0 MB in the end (delta: -18.2 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:10:22,856 INFO L168 Benchmark]: RCFGBuilder took 1567.01 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 45.0 MB in the beginning and 39.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:10:22,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 65.0 MB. Free memory was 46.7 MB in the beginning and 46.7 MB in the end (delta: 84.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 943.76 ms. Allocated memory is still 65.0 MB. Free memory was 43.6 MB in the beginning and 29.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.03 ms. Allocated memory is still 65.0 MB. Free memory was 29.2 MB in the beginning and 26.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.41 ms. Allocated memory is still 65.0 MB. Free memory was 26.8 MB in the beginning and 45.0 MB in the end (delta: -18.2 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1567.01 ms. Allocated memory was 65.0 MB in the beginning and 81.8 MB in the end (delta: 16.8 MB). Free memory was 45.0 MB in the beginning and 39.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * 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:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...