./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack.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_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/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 f8aa2f42a85a9f3027447e72c7bcb58b1191c722 ...................................................................................................................................................................................................... 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_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/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 f8aa2f42a85a9f3027447e72c7bcb58b1191c722 ........................................................................................................................................................................................................... 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 04:44:20,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:20,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:20,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:20,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:20,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:20,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:20,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:20,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:20,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:20,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:20,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:20,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:20,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:20,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:20,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:20,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:20,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:20,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:20,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:20,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:20,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:20,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:20,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:20,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:20,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:20,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:20,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:20,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:20,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:20,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:20,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:20,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:20,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:20,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:20,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:20,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:20,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:20,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:20,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:20,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:20,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:20,781 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:20,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:20,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:20,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:20,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:20,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:20,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:20,789 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:20,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:20,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:20,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:20,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:20,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:20,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:20,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:20,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:20,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:20,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:20,793 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:20,793 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:20,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:20,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:20,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:20,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:20,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:20,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:20,795 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:20,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:20,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:20,798 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_4588ddb2-5154-46e1-8237-5cd9ba069933/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8aa2f42a85a9f3027447e72c7bcb58b1191c722 [2020-11-28 04:44:21,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:21,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:21,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:21,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:21,141 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:21,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/../../sv-benchmarks/c/pthread-ext/25_stack.i [2020-11-28 04:44:21,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/data/fcca22380/4d99ff4ed10c4e55ac1dac26bc2418d9/FLAG5255feb03 [2020-11-28 04:44:21,805 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:21,805 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/sv-benchmarks/c/pthread-ext/25_stack.i [2020-11-28 04:44:21,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/data/fcca22380/4d99ff4ed10c4e55ac1dac26bc2418d9/FLAG5255feb03 [2020-11-28 04:44:22,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/data/fcca22380/4d99ff4ed10c4e55ac1dac26bc2418d9 [2020-11-28 04:44:22,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:22,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:22,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:22,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:22,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:22,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71268a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22, skipping insertion in model container [2020-11-28 04:44:22,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:22,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:22,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:22,514 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:22,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:22,653 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:22,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22 WrapperNode [2020-11-28 04:44:22,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:22,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:22,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:22,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:22,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:22,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:22,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:22,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:22,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... [2020-11-28 04:44:22,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:22,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:22,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:22,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:22,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/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 04:44:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:44:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-28 04:44:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-28 04:44:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:44:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-11-28 04:44:22,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-11-28 04:44:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-28 04:44:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-28 04:44:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:44:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2020-11-28 04:44:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2020-11-28 04:44:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-11-28 04:44:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-11-28 04:44:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:22,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:22,824 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 04:44:23,685 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:23,685 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-28 04:44:23,686 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor error location. [2020-11-28 04:44:23,687 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 04:44:23,691 INFO L168 Benchmark]: Toolchain (without parser) took 1612.58 ms. Allocated memory is still 109.1 MB. Free memory was 78.9 MB in the beginning and 66.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,692 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 35.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:23,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.38 ms. Allocated memory is still 109.1 MB. Free memory was 78.9 MB in the beginning and 65.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.45 ms. Allocated memory is still 109.1 MB. Free memory was 65.3 MB in the beginning and 63.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,694 INFO L168 Benchmark]: Boogie Preprocessor took 34.20 ms. Allocated memory is still 109.1 MB. Free memory was 63.3 MB in the beginning and 61.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,695 INFO L168 Benchmark]: RCFGBuilder took 944.05 ms. Allocated memory is still 109.1 MB. Free memory was 61.4 MB in the beginning and 66.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 35.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 575.38 ms. Allocated memory is still 109.1 MB. Free memory was 78.9 MB in the beginning and 65.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.45 ms. Allocated memory is still 109.1 MB. Free memory was 65.3 MB in the beginning and 63.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.20 ms. Allocated memory is still 109.1 MB. Free memory was 63.3 MB in the beginning and 61.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 944.05 ms. Allocated memory is still 109.1 MB. Free memory was 61.4 MB in the beginning and 66.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 29.5 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 04:44:26,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:26,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:26,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:26,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:26,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:26,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:26,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:26,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:26,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:26,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:26,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:26,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:26,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:26,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:26,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:26,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:26,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:26,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:26,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:26,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:26,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:26,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:26,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:26,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:26,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:26,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:26,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:26,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:26,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:26,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:26,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:26,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:26,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:26,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:26,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:26,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:26,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:26,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:26,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:26,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:26,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-28 04:44:26,300 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:26,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:26,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:26,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:26,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:26,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:26,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:26,303 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:26,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:26,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:26,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:26,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:26,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:26,304 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:44:26,305 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:44:26,305 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:44:26,305 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:26,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:26,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:26,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:26,306 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:26,306 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:26,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:26,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:26,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:26,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:26,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:26,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:26,308 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:44:26,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:44:26,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:26,309 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:44:26,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:44:26,309 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_4588ddb2-5154-46e1-8237-5cd9ba069933/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8aa2f42a85a9f3027447e72c7bcb58b1191c722 [2020-11-28 04:44:26,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:26,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:26,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:26,680 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:26,681 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:26,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/../../sv-benchmarks/c/pthread-ext/25_stack.i [2020-11-28 04:44:26,749 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/data/39024aeb7/f75cd252645a45bd9e4e2639b10209fd/FLAG6d9474e47 [2020-11-28 04:44:27,345 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:27,345 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/sv-benchmarks/c/pthread-ext/25_stack.i [2020-11-28 04:44:27,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/data/39024aeb7/f75cd252645a45bd9e4e2639b10209fd/FLAG6d9474e47 [2020-11-28 04:44:27,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/bin/ukojak/data/39024aeb7/f75cd252645a45bd9e4e2639b10209fd [2020-11-28 04:44:27,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:27,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:27,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:27,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:27,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:27,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:27" (1/1) ... [2020-11-28 04:44:27,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f182c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:27, skipping insertion in model container [2020-11-28 04:44:27,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:27" (1/1) ... [2020-11-28 04:44:27,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:27,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:28,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:28,112 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:28,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:28,306 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:28,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:28 WrapperNode [2020-11-28 04:44:28,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:28,310 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:28,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:28,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:28,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:28" (1/1) ... [2020-11-28 04:44:28,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:28" (1/1) ... [2020-11-28 04:44:28,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:28,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:28,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:28,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:28,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:28" (1/1) ... [2020-11-28 04:44:28,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:28" (1/1) ... [2020-11-28 04:44:28,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:28" (1/1) ... [2020-11-28 04:44:28,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:28" (1/1) ... [2020-11-28 04:44:28,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:28" (1/1) ... [2020-11-28 04:44:28,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:28" (1/1) ... [2020-11-28 04:44:28,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:28" (1/1) ... [2020-11-28 04:44:28,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:28,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:28,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:28,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:28,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4588ddb2-5154-46e1-8237-5cd9ba069933/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 04:44:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 04:44:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-28 04:44:28,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-28 04:44:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-11-28 04:44:28,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-11-28 04:44:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-28 04:44:28,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-28 04:44:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:44:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 04:44:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 04:44:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-28 04:44:28,553 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2020-11-28 04:44:28,553 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2020-11-28 04:44:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-11-28 04:44:28,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-11-28 04:44:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:28,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:28,556 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 04:44:29,525 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:29,526 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-28 04:44:29,527 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor error location. [2020-11-28 04:44:29,527 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 04:44:29,532 INFO L168 Benchmark]: Toolchain (without parser) took 1940.25 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 42.5 MB in the beginning and 66.2 MB in the end (delta: -23.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:29,533 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory is still 60.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:29,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.58 ms. Allocated memory is still 77.6 MB. Free memory was 42.3 MB in the beginning and 39.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:29,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.86 ms. Allocated memory is still 77.6 MB. Free memory was 39.3 MB in the beginning and 37.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:29,535 INFO L168 Benchmark]: Boogie Preprocessor took 65.65 ms. Allocated memory is still 77.6 MB. Free memory was 37.2 MB in the beginning and 35.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:29,536 INFO L168 Benchmark]: RCFGBuilder took 1066.99 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 35.1 MB in the beginning and 66.2 MB in the end (delta: -31.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:29,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 77.6 MB. Free memory is still 60.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 716.58 ms. Allocated memory is still 77.6 MB. Free memory was 42.3 MB in the beginning and 39.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.86 ms. Allocated memory is still 77.6 MB. Free memory was 39.3 MB in the beginning and 37.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.65 ms. Allocated memory is still 77.6 MB. Free memory was 37.2 MB in the beginning and 35.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1066.99 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 35.1 MB in the beginning and 66.2 MB in the end (delta: -31.0 MB). Peak memory consumption was 10.7 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...