./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.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_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/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 01702b579f1de5aeb5887ac922925fd842c70b03 .................................................................................................................................................................................................... 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_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/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 01702b579f1de5aeb5887ac922925fd842c70b03 ......................................................................................................................................................................................................... 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 [2020-11-30 01:12:36,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:12:36,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:12:36,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:12:36,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:12:36,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:12:36,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:12:36,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:12:36,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:12:36,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:12:36,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:12:36,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:12:36,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:12:36,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:12:36,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:12:36,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:12:36,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:12:36,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:12:36,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:12:36,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:12:36,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:12:36,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:12:36,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:12:36,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:12:36,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:12:36,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:12:36,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:12:36,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:12:36,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:12:36,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:12:36,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:12:36,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:12:36,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:12:36,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:12:36,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:12:36,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:12:36,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:12:36,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:12:36,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:12:36,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:12:36,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:12:36,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:12:36,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:12:36,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:12:36,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:12:36,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:12:36,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:12:36,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:12:36,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:12:36,390 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:12:36,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:12:36,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:12:36,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:12:36,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:12:36,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:12:36,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:12:36,393 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:12:36,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:12:36,393 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:12:36,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:12:36,393 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:12:36,393 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:12:36,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:12:36,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:12:36,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:12:36,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:12:36,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:12:36,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:12:36,395 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:12:36,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:12:36,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:12:36,397 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_da692453-3599-4d8b-8e01-4e589e692900/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01702b579f1de5aeb5887ac922925fd842c70b03 [2020-11-30 01:12:36,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:12:36,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:12:36,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:12:36,758 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:12:36,759 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:12:36,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-11-30 01:12:36,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/data/067d76a4c/53e95613072649f097a8407467327261/FLAGc5f844765 [2020-11-30 01:12:37,562 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:12:37,562 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-11-30 01:12:37,584 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/data/067d76a4c/53e95613072649f097a8407467327261/FLAGc5f844765 [2020-11-30 01:12:37,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/data/067d76a4c/53e95613072649f097a8407467327261 [2020-11-30 01:12:37,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:12:37,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:12:37,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:37,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:12:37,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:12:37,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:37" (1/1) ... [2020-11-30 01:12:37,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77d2af7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:37, skipping insertion in model container [2020-11-30 01:12:37,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:37" (1/1) ... [2020-11-30 01:12:37,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:12:37,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:12:38,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:38,328 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:12:38,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:38,517 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:12:38,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:38 WrapperNode [2020-11-30 01:12:38,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:38,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:38,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:12:38,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:12:38,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:38" (1/1) ... [2020-11-30 01:12:38,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:38" (1/1) ... [2020-11-30 01:12:38,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:38,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:12:38,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:12:38,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:12:38,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:38" (1/1) ... [2020-11-30 01:12:38,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:38" (1/1) ... [2020-11-30 01:12:38,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:38" (1/1) ... [2020-11-30 01:12:38,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:38" (1/1) ... [2020-11-30 01:12:38,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:38" (1/1) ... [2020-11-30 01:12:38,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:38" (1/1) ... [2020-11-30 01:12:38,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:38" (1/1) ... [2020-11-30 01:12:38,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:12:38,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:12:38,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:12:38,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:12:38,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/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 [2020-11-30 01:12:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:12:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-30 01:12:38,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-30 01:12:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:12:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-11-30 01:12:38,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-11-30 01:12:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-30 01:12:38,795 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-30 01:12:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:12:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:12:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:12:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-11-30 01:12:38,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-11-30 01:12:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:12:38,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:12:38,800 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-30 01:12:40,225 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:12:40,225 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-30 01:12:40,226 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-11-30 01:12:40,233 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) [2020-11-30 01:12:40,238 INFO L168 Benchmark]: Toolchain (without parser) took 2447.86 ms. Allocated memory is still 109.1 MB. Free memory was 73.3 MB in the beginning and 45.7 MB in the end (delta: 27.6 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:40,240 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory was 85.0 MB in the beginning and 85.0 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:40,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.98 ms. Allocated memory is still 109.1 MB. Free memory was 73.1 MB in the beginning and 63.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:40,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.04 ms. Allocated memory is still 109.1 MB. Free memory was 62.9 MB in the beginning and 60.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:40,245 INFO L168 Benchmark]: Boogie Preprocessor took 78.85 ms. Allocated memory is still 109.1 MB. Free memory was 60.8 MB in the beginning and 59.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:40,246 INFO L168 Benchmark]: RCFGBuilder took 1530.78 ms. Allocated memory is still 109.1 MB. Free memory was 59.3 MB in the beginning and 45.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:40,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 109.1 MB. Free memory was 85.0 MB in the beginning and 85.0 MB in the end (delta: 27.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 728.98 ms. Allocated memory is still 109.1 MB. Free memory was 73.1 MB in the beginning and 63.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.04 ms. Allocated memory is still 109.1 MB. Free memory was 62.9 MB in the beginning and 60.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.85 ms. Allocated memory is still 109.1 MB. Free memory was 60.8 MB in the beginning and 59.3 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1530.78 ms. Allocated memory is still 109.1 MB. Free memory was 59.3 MB in the beginning and 45.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 27.6 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 [2020-11-30 01:12:42,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:12:42,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:12:42,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:12:42,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:12:42,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:12:42,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:12:42,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:12:42,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:12:43,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:12:43,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:12:43,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:12:43,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:12:43,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:12:43,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:12:43,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:12:43,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:12:43,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:12:43,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:12:43,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:12:43,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:12:43,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:12:43,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:12:43,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:12:43,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:12:43,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:12:43,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:12:43,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:12:43,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:12:43,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:12:43,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:12:43,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:12:43,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:12:43,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:12:43,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:12:43,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:12:43,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:12:43,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:12:43,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:12:43,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:12:43,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:12:43,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-30 01:12:43,132 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:12:43,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:12:43,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:12:43,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:12:43,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:12:43,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:12:43,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:12:43,136 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:12:43,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:12:43,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:12:43,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:12:43,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:12:43,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:12:43,138 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:12:43,138 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:12:43,138 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:12:43,138 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:12:43,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:12:43,139 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:12:43,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:12:43,140 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:12:43,140 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:12:43,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:12:43,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:12:43,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:12:43,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:12:43,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:12:43,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:12:43,142 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:12:43,142 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:12:43,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:12:43,143 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-30 01:12:43,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:12:43,143 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_da692453-3599-4d8b-8e01-4e589e692900/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01702b579f1de5aeb5887ac922925fd842c70b03 [2020-11-30 01:12:43,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:12:43,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:12:43,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:12:43,543 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:12:43,544 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:12:43,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-11-30 01:12:43,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/data/bdec20943/862fbd2375954ad2af2fc9b8c5a0faa9/FLAGbe8a32210 [2020-11-30 01:12:44,370 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:12:44,376 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-11-30 01:12:44,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/data/bdec20943/862fbd2375954ad2af2fc9b8c5a0faa9/FLAGbe8a32210 [2020-11-30 01:12:44,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/bin/ukojak/data/bdec20943/862fbd2375954ad2af2fc9b8c5a0faa9 [2020-11-30 01:12:44,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:12:44,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:12:44,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:44,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:12:44,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:12:44,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:44" (1/1) ... [2020-11-30 01:12:44,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5552901c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:44, skipping insertion in model container [2020-11-30 01:12:44,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:12:44" (1/1) ... [2020-11-30 01:12:44,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:12:44,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:12:45,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:45,249 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:12:45,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:12:45,501 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:12:45,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:45 WrapperNode [2020-11-30 01:12:45,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:12:45,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:45,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:12:45,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:12:45,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:45" (1/1) ... [2020-11-30 01:12:45,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:45" (1/1) ... [2020-11-30 01:12:45,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:12:45,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:12:45,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:12:45,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:12:45,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:45" (1/1) ... [2020-11-30 01:12:45,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:45" (1/1) ... [2020-11-30 01:12:45,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:45" (1/1) ... [2020-11-30 01:12:45,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:45" (1/1) ... [2020-11-30 01:12:45,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:45" (1/1) ... [2020-11-30 01:12:45,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:45" (1/1) ... [2020-11-30 01:12:45,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:45" (1/1) ... [2020-11-30 01:12:45,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:12:45,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:12:45,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:12:45,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:12:45,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:12:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_da692453-3599-4d8b-8e01-4e589e692900/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 [2020-11-30 01:12:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:12:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-30 01:12:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-30 01:12:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-11-30 01:12:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-11-30 01:12:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-30 01:12:45,763 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-30 01:12:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:12:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:12:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:12:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:12:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-30 01:12:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-11-30 01:12:45,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-11-30 01:12:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:12:45,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:12:45,768 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-30 01:12:47,105 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:12:47,105 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-30 01:12:47,106 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-11-30 01:12:47,107 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) [2020-11-30 01:12:47,112 INFO L168 Benchmark]: Toolchain (without parser) took 2469.49 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 42.7 MB in the beginning and 55.0 MB in the end (delta: -12.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:47,113 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory was 33.7 MB in the beginning and 33.6 MB in the end (delta: 35.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:47,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.00 ms. Allocated memory is still 67.1 MB. Free memory was 42.5 MB in the beginning and 42.5 MB in the end (delta: 40.5 kB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:47,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.34 ms. Allocated memory is still 67.1 MB. Free memory was 42.5 MB in the beginning and 40.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:47,116 INFO L168 Benchmark]: Boogie Preprocessor took 71.44 ms. Allocated memory is still 67.1 MB. Free memory was 40.0 MB in the beginning and 38.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:12:47,117 INFO L168 Benchmark]: RCFGBuilder took 1425.36 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 38.2 MB in the beginning and 55.0 MB in the end (delta: -16.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:12:47,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 52.4 MB. Free memory was 33.7 MB in the beginning and 33.6 MB in the end (delta: 35.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 861.00 ms. Allocated memory is still 67.1 MB. Free memory was 42.5 MB in the beginning and 42.5 MB in the end (delta: 40.5 kB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.34 ms. Allocated memory is still 67.1 MB. Free memory was 42.5 MB in the beginning and 40.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.44 ms. Allocated memory is still 67.1 MB. Free memory was 40.0 MB in the beginning and 38.2 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1425.36 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 38.2 MB in the beginning and 55.0 MB in the end (delta: -16.9 MB). Peak memory consumption was 19.1 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...