./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/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_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/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_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/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_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01702b579f1de5aeb5887ac922925fd842c70b03 ......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:43:35,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:35,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:35,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:35,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:35,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:35,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:35,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:35,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:35,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:35,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:35,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:35,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:35,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:35,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:35,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:35,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:35,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:35,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:35,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:35,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:35,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:35,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:35,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:35,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:35,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:35,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:35,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:35,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:35,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:35,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:35,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:35,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:35,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:35,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:35,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:35,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:35,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:35,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:35,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:35,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:35,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:43:35,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:35,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:35,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:35,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:35,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:35,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:35,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:35,481 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:35,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:35,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:35,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:35,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:35,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:35,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:35,482 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:35,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:35,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:35,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:35,483 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:35,483 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:35,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:35,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:35,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:35,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:35,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:35,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:35,485 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:35,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:35,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:35,485 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_7bef24ab-d515-4fcc-92c4-4835bb77c371/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01702b579f1de5aeb5887ac922925fd842c70b03 [2020-11-28 04:43:35,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:35,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:35,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:35,775 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:35,776 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:35,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-11-28 04:43:35,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/data/5a1f861e2/0688b9f898cd410fa5e4e40ebdc51dcf/FLAG953275dc9 [2020-11-28 04:43:36,389 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:36,390 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-11-28 04:43:36,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/data/5a1f861e2/0688b9f898cd410fa5e4e40ebdc51dcf/FLAG953275dc9 [2020-11-28 04:43:36,714 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/data/5a1f861e2/0688b9f898cd410fa5e4e40ebdc51dcf [2020-11-28 04:43:36,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:36,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:36,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:36,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:36,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:36,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a26957f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:36, skipping insertion in model container [2020-11-28 04:43:36,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:36" (1/1) ... [2020-11-28 04:43:36,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:36,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:37,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:37,267 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:37,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:37,417 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:37,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:37 WrapperNode [2020-11-28 04:43:37,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:37,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:37,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:37,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:37,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:37" (1/1) ... [2020-11-28 04:43:37,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:37" (1/1) ... [2020-11-28 04:43:37,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:37,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:37,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:37,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:37,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:37" (1/1) ... [2020-11-28 04:43:37,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:37" (1/1) ... [2020-11-28 04:43:37,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:37" (1/1) ... [2020-11-28 04:43:37,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:37" (1/1) ... [2020-11-28 04:43:37,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:37" (1/1) ... [2020-11-28 04:43:37,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:37" (1/1) ... [2020-11-28 04:43:37,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:37" (1/1) ... [2020-11-28 04:43:37,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:43:37,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:43:37,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:43:37,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:43:37,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/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 04:43:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:43:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-28 04:43:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-28 04:43:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:43:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-11-28 04:43:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-11-28 04:43:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-28 04:43:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-28 04:43:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:43:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:43:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:43:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-11-28 04:43:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-11-28 04:43:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:43:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:43:37,599 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 04:43:38,689 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:43:38,690 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-28 04:43:38,691 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-11-28 04:43:38,692 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 04:43:38,702 INFO L168 Benchmark]: Toolchain (without parser) took 1980.67 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 56.5 MB in the beginning and 33.0 MB in the end (delta: 23.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:38,703 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 44.5 MB in the beginning and 44.5 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:38,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.67 ms. Allocated memory is still 88.1 MB. Free memory was 56.3 MB in the beginning and 43.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:38,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.93 ms. Allocated memory is still 88.1 MB. Free memory was 43.2 MB in the beginning and 41.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:38,706 INFO L168 Benchmark]: Boogie Preprocessor took 37.56 ms. Allocated memory is still 88.1 MB. Free memory was 40.7 MB in the beginning and 39.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:38,707 INFO L168 Benchmark]: RCFGBuilder took 1178.27 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 39.1 MB in the beginning and 33.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:38,710 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 44.5 MB in the beginning and 44.5 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 690.67 ms. Allocated memory is still 88.1 MB. Free memory was 56.3 MB in the beginning and 43.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.93 ms. Allocated memory is still 88.1 MB. Free memory was 43.2 MB in the beginning and 41.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.56 ms. Allocated memory is still 88.1 MB. Free memory was 40.7 MB in the beginning and 39.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1178.27 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 39.1 MB in the beginning and 33.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 31.2 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-a4ecdab [2020-11-28 04:43:41,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:41,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:41,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:41,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:41,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:41,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:41,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:41,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:41,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:41,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:41,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:41,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:41,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:41,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:41,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:41,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:41,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:41,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:41,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:41,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:41,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:41,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:41,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:41,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:41,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:41,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:41,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:41,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:41,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:41,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:41,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:41,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:41,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:41,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:41,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:41,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:41,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:41,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:41,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:41,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:41,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-28 04:43:41,369 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:41,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:41,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:41,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:41,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:41,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:41,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:41,373 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:41,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:41,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:41,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:41,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:41,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:41,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:43:41,374 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:43:41,374 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:43:41,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:41,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:41,375 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:41,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:41,376 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:41,376 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:41,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:41,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:41,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:41,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:41,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:41,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:41,377 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:43:41,378 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:43:41,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:41,378 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:43:41,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:43:41,379 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_7bef24ab-d515-4fcc-92c4-4835bb77c371/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01702b579f1de5aeb5887ac922925fd842c70b03 [2020-11-28 04:43:41,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:41,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:41,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:41,818 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:41,818 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:41,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-11-28 04:43:41,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/data/943eb926f/bc162e4b58b34ed3a43fd632c6174bb8/FLAG3b324ce5f [2020-11-28 04:43:42,562 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:42,563 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2020-11-28 04:43:42,583 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/data/943eb926f/bc162e4b58b34ed3a43fd632c6174bb8/FLAG3b324ce5f [2020-11-28 04:43:42,822 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/bin/ukojak/data/943eb926f/bc162e4b58b34ed3a43fd632c6174bb8 [2020-11-28 04:43:42,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:42,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:42,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:42,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:42,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:42,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:42" (1/1) ... [2020-11-28 04:43:42,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7856b88b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:42, skipping insertion in model container [2020-11-28 04:43:42,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:42" (1/1) ... [2020-11-28 04:43:42,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:42,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:43,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:43,468 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:43,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:43,659 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:43,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:43 WrapperNode [2020-11-28 04:43:43,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:43,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:43,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:43,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:43,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:43" (1/1) ... [2020-11-28 04:43:43,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:43" (1/1) ... [2020-11-28 04:43:43,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:43,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:43,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:43,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:43,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:43" (1/1) ... [2020-11-28 04:43:43,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:43" (1/1) ... [2020-11-28 04:43:43,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:43" (1/1) ... [2020-11-28 04:43:43,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:43" (1/1) ... [2020-11-28 04:43:43,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:43" (1/1) ... [2020-11-28 04:43:43,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:43" (1/1) ... [2020-11-28 04:43:43,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:43" (1/1) ... [2020-11-28 04:43:43,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:43:43,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:43:43,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:43:43,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:43:43,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7bef24ab-d515-4fcc-92c4-4835bb77c371/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 04:43:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 04:43:43,835 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-28 04:43:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-28 04:43:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-11-28 04:43:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-11-28 04:43:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-28 04:43:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-28 04:43:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:43:43,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:43:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 04:43:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 04:43:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-28 04:43:43,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-11-28 04:43:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-11-28 04:43:43,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:43:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:43:43,839 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 04:43:45,074 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:43:45,074 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-28 04:43:45,075 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor error location. [2020-11-28 04:43:45,075 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 04:43:45,080 INFO L168 Benchmark]: Toolchain (without parser) took 2248.82 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 23.4 MB in the beginning and 35.7 MB in the end (delta: -12.3 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:45,081 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:45,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.44 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.2 MB in the beginning and 31.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:45,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.34 ms. Allocated memory is still 58.7 MB. Free memory was 31.1 MB in the beginning and 28.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:45,084 INFO L168 Benchmark]: Boogie Preprocessor took 38.06 ms. Allocated memory is still 58.7 MB. Free memory was 28.8 MB in the beginning and 26.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:45,085 INFO L168 Benchmark]: RCFGBuilder took 1326.35 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 26.8 MB in the beginning and 35.7 MB in the end (delta: -8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:45,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 48.2 MB. Free memory was 30.0 MB in the beginning and 30.0 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 822.44 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.2 MB in the beginning and 31.1 MB in the end (delta: -7.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.34 ms. Allocated memory is still 58.7 MB. Free memory was 31.1 MB in the beginning and 28.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.06 ms. Allocated memory is still 58.7 MB. Free memory was 28.8 MB in the beginning and 26.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1326.35 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 26.8 MB in the beginning and 35.7 MB in the end (delta: -8.9 MB). Peak memory consumption was 8.9 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...