./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01702b579f1de5aeb5887ac922925fd842c70b03 .................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01702b579f1de5aeb5887ac922925fd842c70b03 ......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:33:51,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:33:51,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:33:51,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:33:51,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:33:51,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:33:51,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:33:51,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:33:51,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:33:51,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:33:51,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:33:51,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:33:51,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:33:51,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:33:51,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:33:51,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:33:51,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:33:51,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:33:51,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:33:51,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:33:51,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:33:51,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:33:51,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:33:51,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:33:51,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:33:51,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:33:51,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:33:51,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:33:51,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:33:51,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:33:51,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:33:51,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:33:51,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:33:51,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:33:51,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:33:51,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:33:51,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:33:51,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:33:51,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:33:51,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:33:51,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:33:51,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:33:51,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:33:51,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:33:51,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:33:51,286 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:33:51,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:33:51,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:33:51,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:33:51,288 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:33:51,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:33:51,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:33:51,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:33:51,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:33:51,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:33:51,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:33:51,292 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:33:51,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:33:51,292 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:33:51,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:33:51,293 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:33:51,293 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:33:51,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:33:51,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:33:51,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:33:51,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:33:51,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:33:51,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:33:51,295 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:33:51,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:33:51,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:33:51,298 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_b2ccf6a4-9060-465b-ab4a-665a66592200/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01702b579f1de5aeb5887ac922925fd842c70b03 [2020-12-01 16:33:51,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:33:51,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:33:51,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:33:51,695 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:33:51,697 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:33:51,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-12-01 16:33:51,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/data/5ec903b55/0e7ff10cc5384408afca9f199a5083bd/FLAG0861c3e28 [2020-12-01 16:33:52,623 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:33:52,624 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-12-01 16:33:52,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/data/5ec903b55/0e7ff10cc5384408afca9f199a5083bd/FLAG0861c3e28 [2020-12-01 16:33:52,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/data/5ec903b55/0e7ff10cc5384408afca9f199a5083bd [2020-12-01 16:33:52,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:33:52,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:33:52,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:33:52,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:33:52,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:33:52,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:33:52" (1/1) ... [2020-12-01 16:33:52,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164f36f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:52, skipping insertion in model container [2020-12-01 16:33:52,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:33:52" (1/1) ... [2020-12-01 16:33:52,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:33:52,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:33:53,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:33:53,529 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:33:53,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:33:53,717 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:33:53,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:53 WrapperNode [2020-12-01 16:33:53,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:33:53,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:33:53,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:33:53,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:33:53,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:53" (1/1) ... [2020-12-01 16:33:53,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:53" (1/1) ... [2020-12-01 16:33:53,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:33:53,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:33:53,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:33:53,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:33:53,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:53" (1/1) ... [2020-12-01 16:33:53,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:53" (1/1) ... [2020-12-01 16:33:53,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:53" (1/1) ... [2020-12-01 16:33:53,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:53" (1/1) ... [2020-12-01 16:33:53,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:53" (1/1) ... [2020-12-01 16:33:53,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:53" (1/1) ... [2020-12-01 16:33:53,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:53" (1/1) ... [2020-12-01 16:33:53,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:33:53,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:33:53,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:33:53,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:33:53,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:33:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/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 [2020-12-01 16:33:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:33:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-01 16:33:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-01 16:33:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:33:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-12-01 16:33:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-12-01 16:33:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 16:33:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 16:33:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:33:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:33:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:33:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-12-01 16:33:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-12-01 16:33:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:33:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:33:53,967 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-01 16:33:55,016 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:33:55,017 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-12-01 16:33:55,018 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-12-01 16:33:55,019 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) [2020-12-01 16:33:55,026 INFO L168 Benchmark]: Toolchain (without parser) took 2159.81 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 52.7 MB in the beginning and 72.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:33:55,027 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 83.9 MB. Free memory was 40.9 MB in the beginning and 40.8 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:33:55,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.57 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 52.4 MB in the beginning and 56.8 MB in the end (delta: -4.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:33:55,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.91 ms. Allocated memory is still 102.8 MB. Free memory was 56.8 MB in the beginning and 54.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:33:55,035 INFO L168 Benchmark]: Boogie Preprocessor took 38.21 ms. Allocated memory is still 102.8 MB. Free memory was 54.7 MB in the beginning and 53.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:33:55,036 INFO L168 Benchmark]: RCFGBuilder took 1161.00 ms. Allocated memory is still 102.8 MB. Free memory was 53.1 MB in the beginning and 72.3 MB in the end (delta: -19.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:33:55,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 83.9 MB. Free memory was 40.9 MB in the beginning and 40.8 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 852.57 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 52.4 MB in the beginning and 56.8 MB in the end (delta: -4.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.91 ms. Allocated memory is still 102.8 MB. Free memory was 56.8 MB in the beginning and 54.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.21 ms. Allocated memory is still 102.8 MB. Free memory was 54.7 MB in the beginning and 53.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1161.00 ms. Allocated memory is still 102.8 MB. Free memory was 53.1 MB in the beginning and 72.3 MB in the end (delta: -19.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 16:33:58,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:33:58,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:33:58,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:33:58,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:33:58,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:33:58,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:33:58,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:33:58,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:33:58,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:33:58,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:33:58,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:33:58,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:33:58,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:33:58,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:33:58,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:33:58,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:33:58,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:33:58,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:33:58,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:33:58,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:33:58,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:33:58,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:33:58,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:33:58,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:33:58,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:33:58,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:33:58,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:33:58,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:33:58,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:33:58,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:33:58,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:33:58,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:33:58,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:33:58,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:33:58,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:33:58,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:33:58,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:33:58,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:33:58,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:33:58,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:33:58,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 16:33:58,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:33:58,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:33:58,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:33:58,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:33:58,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:33:58,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:33:58,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:33:58,476 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:33:58,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:33:58,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:33:58,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:33:58,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:33:58,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:33:58,477 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:33:58,477 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:33:58,478 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:33:58,478 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:33:58,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:33:58,478 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:33:58,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:33:58,479 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:33:58,479 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:33:58,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:33:58,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:33:58,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:33:58,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:33:58,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:33:58,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:33:58,482 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:33:58,482 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:33:58,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:33:58,482 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:33:58,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:33:58,483 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_b2ccf6a4-9060-465b-ab4a-665a66592200/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01702b579f1de5aeb5887ac922925fd842c70b03 [2020-12-01 16:33:59,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:33:59,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:33:59,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:33:59,044 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:33:59,045 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:33:59,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-12-01 16:33:59,143 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/data/b7ceee60e/133b11a594d249b6a3188b134bd60284/FLAGdb1356f99 [2020-12-01 16:33:59,878 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:33:59,878 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-12-01 16:33:59,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/data/b7ceee60e/133b11a594d249b6a3188b134bd60284/FLAGdb1356f99 [2020-12-01 16:34:00,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/bin/ukojak/data/b7ceee60e/133b11a594d249b6a3188b134bd60284 [2020-12-01 16:34:00,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:34:00,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:34:00,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:34:00,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:34:00,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:34:00,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:34:00" (1/1) ... [2020-12-01 16:34:00,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16936c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:00, skipping insertion in model container [2020-12-01 16:34:00,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:34:00" (1/1) ... [2020-12-01 16:34:00,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:34:00,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:34:00,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:34:00,926 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:34:00,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:34:01,149 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:34:01,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:01 WrapperNode [2020-12-01 16:34:01,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:34:01,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:34:01,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:34:01,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:34:01,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:01" (1/1) ... [2020-12-01 16:34:01,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:01" (1/1) ... [2020-12-01 16:34:01,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:34:01,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:34:01,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:34:01,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:34:01,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:01" (1/1) ... [2020-12-01 16:34:01,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:01" (1/1) ... [2020-12-01 16:34:01,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:01" (1/1) ... [2020-12-01 16:34:01,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:01" (1/1) ... [2020-12-01 16:34:01,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:01" (1/1) ... [2020-12-01 16:34:01,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:01" (1/1) ... [2020-12-01 16:34:01,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:01" (1/1) ... [2020-12-01 16:34:01,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:34:01,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:34:01,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:34:01,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:34:01,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b2ccf6a4-9060-465b-ab4a-665a66592200/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 [2020-12-01 16:34:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 16:34:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-01 16:34:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-01 16:34:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-12-01 16:34:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-12-01 16:34:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 16:34:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 16:34:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:34:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:34:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 16:34:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 16:34:01,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-01 16:34:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-12-01 16:34:01,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-12-01 16:34:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:34:01,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:34:01,413 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-01 16:34:02,745 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:34:02,746 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-12-01 16:34:02,747 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-12-01 16:34:02,748 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) [2020-12-01 16:34:02,758 INFO L168 Benchmark]: Toolchain (without parser) took 2635.03 ms. Allocated memory was 48.2 MB in the beginning and 81.8 MB in the end (delta: 33.6 MB). Free memory was 23.4 MB in the beginning and 38.5 MB in the end (delta: -15.2 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:34:02,760 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:34:02,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1028.11 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 23.1 MB in the beginning and 40.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:34:02,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.17 ms. Allocated memory is still 67.1 MB. Free memory was 40.2 MB in the beginning and 38.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:34:02,765 INFO L168 Benchmark]: Boogie Preprocessor took 47.13 ms. Allocated memory is still 67.1 MB. Free memory was 38.1 MB in the beginning and 36.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:34:02,767 INFO L168 Benchmark]: RCFGBuilder took 1454.41 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 36.2 MB in the beginning and 38.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:34:02,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1028.11 ms. Allocated memory was 48.2 MB in the beginning and 67.1 MB in the end (delta: 18.9 MB). Free memory was 23.1 MB in the beginning and 40.5 MB in the end (delta: -17.4 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.17 ms. Allocated memory is still 67.1 MB. Free memory was 40.2 MB in the beginning and 38.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.13 ms. Allocated memory is still 67.1 MB. Free memory was 38.1 MB in the beginning and 36.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1454.41 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 36.2 MB in the beginning and 38.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 14.3 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...