./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-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_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/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 d61e0535257b0f2fe5c143179a513986c81e12db .................................................................................................................................................................................................... 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_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/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 d61e0535257b0f2fe5c143179a513986c81e12db ......................................................................................................................................................................................................... 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 [2020-11-28 04:33:30,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:33:30,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:33:30,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:33:30,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:33:30,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:33:30,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:33:30,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:33:30,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:33:30,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:33:30,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:33:30,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:33:30,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:33:30,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:33:30,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:33:30,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:33:30,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:33:30,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:33:30,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:33:30,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:33:30,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:33:30,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:33:30,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:33:30,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:33:30,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:33:30,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:33:30,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:33:30,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:33:30,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:33:30,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:33:30,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:33:30,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:33:30,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:33:30,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:33:30,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:33:30,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:33:30,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:33:30,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:33:30,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:33:30,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:33:30,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:33:30,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:33:30,655 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:33:30,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:33:30,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:33:30,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:33:30,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:33:30,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:33:30,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:33:30,657 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:33:30,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:33:30,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:33:30,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:33:30,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:33:30,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:33:30,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:33:30,659 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:33:30,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:33:30,659 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:33:30,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:33:30,660 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:33:30,660 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:33:30,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:33:30,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:33:30,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:30,661 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:33:30,661 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:33:30,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:33:30,662 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:33:30,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:33:30,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:33:30,662 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_dfefed7b-f86d-4631-9ad3-cd70545405b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61e0535257b0f2fe5c143179a513986c81e12db [2020-11-28 04:33:30,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:33:30,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:33:30,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:33:30,963 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:33:30,964 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:33:30,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2020-11-28 04:33:31,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/data/5c02f6ede/9a3a22a0f8d240bdb23a7ebaebac5952/FLAG6863dfcb4 [2020-11-28 04:33:31,541 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:33:31,541 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2020-11-28 04:33:31,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/data/5c02f6ede/9a3a22a0f8d240bdb23a7ebaebac5952/FLAG6863dfcb4 [2020-11-28 04:33:31,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/data/5c02f6ede/9a3a22a0f8d240bdb23a7ebaebac5952 [2020-11-28 04:33:31,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:33:31,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:33:31,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:31,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:33:31,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:33:31,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:31" (1/1) ... [2020-11-28 04:33:31,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14092411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31, skipping insertion in model container [2020-11-28 04:33:31,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:31" (1/1) ... [2020-11-28 04:33:31,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:33:31,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:33:32,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:32,415 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:33:32,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:32,561 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:33:32,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:32 WrapperNode [2020-11-28 04:33:32,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:32,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:32,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:33:32,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:33:32,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:32" (1/1) ... [2020-11-28 04:33:32,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:32" (1/1) ... [2020-11-28 04:33:32,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:32,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:33:32,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:33:32,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:33:32,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:32" (1/1) ... [2020-11-28 04:33:32,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:32" (1/1) ... [2020-11-28 04:33:32,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:32" (1/1) ... [2020-11-28 04:33:32,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:32" (1/1) ... [2020-11-28 04:33:32,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:32" (1/1) ... [2020-11-28 04:33:32,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:32" (1/1) ... [2020-11-28 04:33:32,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:32" (1/1) ... [2020-11-28 04:33:32,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:33:32,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:33:32,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:33:32,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:33:32,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/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 [2020-11-28 04:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-28 04:33:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-28 04:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-11-28 04:33:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-11-28 04:33:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-28 04:33:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-28 04:33:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:33:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:33:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:33:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-11-28 04:33:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-11-28 04:33:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:33:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:33:32,780 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 04:33:33,669 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:33:33,669 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-28 04:33:33,670 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-11-28 04:33:33,672 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) [2020-11-28 04:33:33,679 INFO L168 Benchmark]: Toolchain (without parser) took 1795.20 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 42.3 MB in the end (delta: 29.3 MB). Peak memory consumption was 41.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:33,681 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 37.5 MB in the beginning and 37.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:33,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.34 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 59.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:33,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.45 ms. Allocated memory is still 104.9 MB. Free memory was 59.5 MB in the beginning and 56.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:33,685 INFO L168 Benchmark]: Boogie Preprocessor took 67.23 ms. Allocated memory is still 104.9 MB. Free memory was 56.8 MB in the beginning and 55.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:33,687 INFO L168 Benchmark]: RCFGBuilder took 973.27 ms. Allocated memory is still 104.9 MB. Free memory was 55.3 MB in the beginning and 42.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:33,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory was 37.5 MB in the beginning and 37.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 677.34 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 59.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.45 ms. Allocated memory is still 104.9 MB. Free memory was 59.5 MB in the beginning and 56.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.23 ms. Allocated memory is still 104.9 MB. Free memory was 56.8 MB in the beginning and 55.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 973.27 ms. Allocated memory is still 104.9 MB. Free memory was 55.3 MB in the beginning and 42.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 27.5 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 [2020-11-28 04:33:36,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:33:36,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:33:36,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:33:36,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:33:36,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:33:36,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:33:36,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:33:36,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:33:36,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:33:36,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:33:36,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:33:36,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:33:36,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:33:36,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:33:36,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:33:36,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:33:36,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:33:36,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:33:36,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:33:36,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:33:36,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:33:36,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:33:36,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:33:36,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:33:36,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:33:36,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:33:36,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:33:36,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:33:36,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:33:36,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:33:36,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:33:36,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:33:36,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:33:36,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:33:36,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:33:36,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:33:36,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:33:36,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:33:36,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:33:36,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:33:36,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-28 04:33:36,389 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:33:36,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:33:36,391 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:33:36,391 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:33:36,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:33:36,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:33:36,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:33:36,394 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:33:36,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:33:36,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:33:36,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:33:36,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:33:36,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:33:36,396 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:33:36,396 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:33:36,396 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:33:36,397 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:33:36,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:33:36,397 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:33:36,397 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:33:36,398 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:33:36,398 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:33:36,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:33:36,398 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:33:36,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:36,399 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:33:36,399 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:33:36,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:33:36,400 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:33:36,400 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:33:36,400 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:33:36,400 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:33:36,401 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:33:36,401 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_dfefed7b-f86d-4631-9ad3-cd70545405b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61e0535257b0f2fe5c143179a513986c81e12db [2020-11-28 04:33:36,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:33:36,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:33:36,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:33:36,855 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:33:36,856 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:33:36,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2020-11-28 04:33:36,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/data/8eb7f2706/ff568f1dfa804d4f9ff2df63ed230b0e/FLAGba14bbc3d [2020-11-28 04:33:37,544 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:33:37,549 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2020-11-28 04:33:37,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/data/8eb7f2706/ff568f1dfa804d4f9ff2df63ed230b0e/FLAGba14bbc3d [2020-11-28 04:33:37,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/bin/ukojak/data/8eb7f2706/ff568f1dfa804d4f9ff2df63ed230b0e [2020-11-28 04:33:37,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:33:37,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:33:37,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:37,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:33:37,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:33:37,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:37" (1/1) ... [2020-11-28 04:33:37,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ef5be4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:37, skipping insertion in model container [2020-11-28 04:33:37,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:37" (1/1) ... [2020-11-28 04:33:37,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:33:37,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:33:38,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:38,291 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:33:38,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:38,488 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:33:38,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:38 WrapperNode [2020-11-28 04:33:38,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:38,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:38,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:33:38,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:33:38,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:38" (1/1) ... [2020-11-28 04:33:38,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:38" (1/1) ... [2020-11-28 04:33:38,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:38,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:33:38,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:33:38,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:33:38,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:38" (1/1) ... [2020-11-28 04:33:38,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:38" (1/1) ... [2020-11-28 04:33:38,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:38" (1/1) ... [2020-11-28 04:33:38,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:38" (1/1) ... [2020-11-28 04:33:38,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:38" (1/1) ... [2020-11-28 04:33:38,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:38" (1/1) ... [2020-11-28 04:33:38,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:38" (1/1) ... [2020-11-28 04:33:38,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:33:38,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:33:38,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:33:38,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:33:38,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfefed7b-f86d-4631-9ad3-cd70545405b2/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 [2020-11-28 04:33:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 04:33:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-28 04:33:38,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-28 04:33:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-11-28 04:33:38,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-11-28 04:33:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-28 04:33:38,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-28 04:33:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:33:38,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:33:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 04:33:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 04:33:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-28 04:33:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-11-28 04:33:38,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-11-28 04:33:38,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:33:38,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:33:38,686 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 04:33:39,872 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:33:39,873 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-28 04:33:39,873 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-11-28 04:33:39,874 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) [2020-11-28 04:33:39,878 INFO L168 Benchmark]: Toolchain (without parser) took 2081.30 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 41.7 MB in the beginning and 36.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:39,878 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:39,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.03 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 39.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:39,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.38 ms. Allocated memory is still 62.9 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:39,881 INFO L168 Benchmark]: Boogie Preprocessor took 48.21 ms. Allocated memory is still 62.9 MB. Free memory was 36.8 MB in the beginning and 34.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:39,881 INFO L168 Benchmark]: RCFGBuilder took 1264.68 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 34.7 MB in the beginning and 36.8 MB in the end (delta: -2.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:39,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 62.9 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 696.03 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 39.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.38 ms. Allocated memory is still 62.9 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.21 ms. Allocated memory is still 62.9 MB. Free memory was 36.8 MB in the beginning and 34.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1264.68 ms. Allocated memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: 21.0 MB). Free memory was 34.7 MB in the beginning and 36.8 MB in the end (delta: -2.1 MB). Peak memory consumption was 20.7 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...