./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.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_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/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 76310cdad47db3f3cce2cc529ae09ac17dcb0e5e ............................................................................................................................................................................................................................................. 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_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/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 76310cdad47db3f3cce2cc529ae09ac17dcb0e5e .................................................................................................................................................................................................................................................. 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 16:45:43,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:45:43,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:45:43,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:45:43,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:45:43,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:45:43,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:45:43,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:45:43,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:45:43,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:45:43,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:45:43,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:45:43,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:45:43,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:45:43,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:45:43,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:45:43,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:45:43,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:45:43,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:45:43,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:45:43,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:45:43,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:45:43,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:45:43,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:45:43,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:45:43,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:45:43,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:45:43,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:45:43,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:45:43,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:45:43,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:45:43,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:45:43,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:45:43,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:45:43,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:45:43,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:45:43,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:45:43,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:45:43,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:45:43,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:45:43,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:45:43,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:45:43,717 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:45:43,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:45:43,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:45:43,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:45:43,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:45:43,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:45:43,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:45:43,720 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:45:43,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:45:43,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:45:43,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:45:43,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:45:43,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:45:43,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:45:43,722 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:45:43,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:45:43,723 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:45:43,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:45:43,723 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:45:43,723 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:45:43,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:45:43,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:45:43,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:45:43,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:45:43,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:45:43,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:45:43,725 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:45:43,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:45:43,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:45:43,725 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_ddd63d89-803b-4245-b6a3-dbc70720ea3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76310cdad47db3f3cce2cc529ae09ac17dcb0e5e [2020-12-01 16:45:44,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:45:44,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:45:44,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:45:44,087 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:45:44,090 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:45:44,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2020-12-01 16:45:44,195 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/data/de702f0a9/53869cf6a2d842718a0d0366da49d01f/FLAG17b664152 [2020-12-01 16:45:44,983 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:45:44,984 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2020-12-01 16:45:45,022 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/data/de702f0a9/53869cf6a2d842718a0d0366da49d01f/FLAG17b664152 [2020-12-01 16:45:45,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/data/de702f0a9/53869cf6a2d842718a0d0366da49d01f [2020-12-01 16:45:45,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:45:45,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:45:45,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:45:45,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:45:45,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:45:45,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:45:45" (1/1) ... [2020-12-01 16:45:45,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b2d448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:45, skipping insertion in model container [2020-12-01 16:45:45,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:45:45" (1/1) ... [2020-12-01 16:45:45,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:45:45,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:45:46,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:45:46,143 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:45:46,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:45:46,630 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:45:46,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:46 WrapperNode [2020-12-01 16:45:46,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:45:46,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:45:46,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:45:46,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:45:46,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:46" (1/1) ... [2020-12-01 16:45:46,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:46" (1/1) ... [2020-12-01 16:45:46,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:45:46,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:45:46,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:45:46,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:45:46,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:46" (1/1) ... [2020-12-01 16:45:46,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:46" (1/1) ... [2020-12-01 16:45:46,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:46" (1/1) ... [2020-12-01 16:45:46,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:46" (1/1) ... [2020-12-01 16:45:46,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:46" (1/1) ... [2020-12-01 16:45:46,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:46" (1/1) ... [2020-12-01 16:45:46,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:46" (1/1) ... [2020-12-01 16:45:46,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:45:46,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:45:46,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:45:46,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:45:46,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/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 16:45:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-01 16:45:46,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:45:46,942 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2020-12-01 16:45:46,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2020-12-01 16:45:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-01 16:45:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2020-12-01 16:45:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2020-12-01 16:45:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2020-12-01 16:45:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2020-12-01 16:45:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2020-12-01 16:45:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2020-12-01 16:45:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2020-12-01 16:45:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2020-12-01 16:45:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:45:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2020-12-01 16:45:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2020-12-01 16:45:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:45:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2020-12-01 16:45:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2020-12-01 16:45:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2020-12-01 16:45:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2020-12-01 16:45:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2020-12-01 16:45:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2020-12-01 16:45:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2020-12-01 16:45:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2020-12-01 16:45:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:45:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:45:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2020-12-01 16:45:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2020-12-01 16:45:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2020-12-01 16:45:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2020-12-01 16:45:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 16:45:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 16:45:46,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:45:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:45:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:45:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2020-12-01 16:45:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2020-12-01 16:45:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2020-12-01 16:45:46,949 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2020-12-01 16:45:46,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:45:46,953 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2020-12-01 16:45:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2020-12-01 16:45:46,954 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2020-12-01 16:45:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2020-12-01 16:45:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2020-12-01 16:45:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2020-12-01 16:45:46,955 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2020-12-01 16:45:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2020-12-01 16:45:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2020-12-01 16:45:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2020-12-01 16:45:46,957 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2020-12-01 16:45:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2020-12-01 16:45:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2020-12-01 16:45:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2020-12-01 16:45:46,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:45:46,960 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 16:45:49,875 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:45:49,875 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-01 16:45:49,877 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor error location. [2020-12-01 16:45:49,878 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 16:45:49,884 INFO L168 Benchmark]: Toolchain (without parser) took 4712.25 ms. Allocated memory was 104.9 MB in the beginning and 184.5 MB in the end (delta: 79.7 MB). Free memory was 66.0 MB in the beginning and 136.9 MB in the end (delta: -71.0 MB). Peak memory consumption was 67.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:49,885 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 104.9 MB. Free memory was 75.2 MB in the beginning and 75.2 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:45:49,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1456.75 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 65.7 MB in the beginning and 103.8 MB in the end (delta: -38.1 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:49,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.44 ms. Allocated memory is still 140.5 MB. Free memory was 103.8 MB in the beginning and 100.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:49,888 INFO L168 Benchmark]: Boogie Preprocessor took 91.93 ms. Allocated memory is still 140.5 MB. Free memory was 100.6 MB in the beginning and 96.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:49,889 INFO L168 Benchmark]: RCFGBuilder took 3031.01 ms. Allocated memory was 140.5 MB in the beginning and 184.5 MB in the end (delta: 44.0 MB). Free memory was 96.4 MB in the beginning and 136.9 MB in the end (delta: -40.5 MB). Peak memory consumption was 63.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:45:49,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 104.9 MB. Free memory was 75.2 MB in the beginning and 75.2 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1456.75 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 65.7 MB in the beginning and 103.8 MB in the end (delta: -38.1 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 124.44 ms. Allocated memory is still 140.5 MB. Free memory was 103.8 MB in the beginning and 100.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.93 ms. Allocated memory is still 140.5 MB. Free memory was 100.6 MB in the beginning and 96.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3031.01 ms. Allocated memory was 140.5 MB in the beginning and 184.5 MB in the end (delta: 44.0 MB). Free memory was 96.4 MB in the beginning and 136.9 MB in the end (delta: -40.5 MB). Peak memory consumption was 63.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 16:45:52,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:45:52,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:45:52,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:45:52,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:45:52,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:45:52,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:45:52,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:45:52,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:45:52,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:45:52,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:45:52,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:45:52,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:45:52,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:45:52,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:45:52,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:45:52,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:45:52,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:45:52,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:45:52,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:45:52,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:45:52,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:45:52,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:45:52,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:45:52,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:45:52,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:45:52,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:45:52,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:45:52,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:45:52,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:45:52,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:45:52,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:45:52,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:45:52,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:45:52,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:45:52,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:45:52,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:45:52,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:45:52,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:45:52,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:45:52,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:45:52,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 16:45:52,777 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:45:52,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:45:52,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:45:52,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:45:52,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:45:52,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:45:52,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:45:52,783 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:45:52,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:45:52,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:45:52,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:45:52,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:45:52,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:45:52,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:45:52,786 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:45:52,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:45:52,786 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:45:52,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:45:52,786 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:45:52,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:45:52,787 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:45:52,787 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:45:52,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:45:52,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:45:52,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:45:52,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:45:52,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:45:52,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:45:52,789 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:45:52,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:45:52,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:45:52,790 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:45:52,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:45:52,790 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_ddd63d89-803b-4245-b6a3-dbc70720ea3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76310cdad47db3f3cce2cc529ae09ac17dcb0e5e [2020-12-01 16:45:53,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:45:53,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:45:53,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:45:53,230 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:45:53,232 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:45:53,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2020-12-01 16:45:53,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/data/833aa208f/59a5912941374c9cadfefd4447f5e13c/FLAGe1ca79248 [2020-12-01 16:45:54,037 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:45:54,038 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2020-12-01 16:45:54,059 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/data/833aa208f/59a5912941374c9cadfefd4447f5e13c/FLAGe1ca79248 [2020-12-01 16:45:54,248 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/bin/ukojak/data/833aa208f/59a5912941374c9cadfefd4447f5e13c [2020-12-01 16:45:54,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:45:54,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:45:54,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:45:54,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:45:54,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:45:54,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:45:54" (1/1) ... [2020-12-01 16:45:54,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704803fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:54, skipping insertion in model container [2020-12-01 16:45:54,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:45:54" (1/1) ... [2020-12-01 16:45:54,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:45:54,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:45:55,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:45:55,427 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:45:55,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:45:55,854 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:45:55,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:55 WrapperNode [2020-12-01 16:45:55,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:45:55,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:45:55,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:45:55,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:45:55,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:55" (1/1) ... [2020-12-01 16:45:55,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:55" (1/1) ... [2020-12-01 16:45:55,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:45:55,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:45:55,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:45:55,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:45:55,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:55" (1/1) ... [2020-12-01 16:45:55,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:55" (1/1) ... [2020-12-01 16:45:55,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:55" (1/1) ... [2020-12-01 16:45:55,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:55" (1/1) ... [2020-12-01 16:45:55,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:55" (1/1) ... [2020-12-01 16:45:56,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:55" (1/1) ... [2020-12-01 16:45:56,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:55" (1/1) ... [2020-12-01 16:45:56,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:45:56,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:45:56,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:45:56,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:45:56,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:45:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ddd63d89-803b-4245-b6a3-dbc70720ea3d/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 16:45:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-12-01 16:45:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:45:56,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 16:45:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-01 16:45:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2020-12-01 16:45:56,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2020-12-01 16:45:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-12-01 16:45:56,105 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2020-12-01 16:45:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2020-12-01 16:45:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2020-12-01 16:45:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2020-12-01 16:45:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2020-12-01 16:45:56,106 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2020-12-01 16:45:56,106 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2020-12-01 16:45:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2020-12-01 16:45:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2020-12-01 16:45:56,107 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2020-12-01 16:45:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 16:45:56,107 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2020-12-01 16:45:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2020-12-01 16:45:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2020-12-01 16:45:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2020-12-01 16:45:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2020-12-01 16:45:56,108 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2020-12-01 16:45:56,108 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2020-12-01 16:45:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2020-12-01 16:45:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:45:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:45:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 16:45:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2020-12-01 16:45:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2020-12-01 16:45:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2020-12-01 16:45:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2020-12-01 16:45:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 16:45:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 16:45:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:45:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 16:45:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 16:45:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 16:45:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2020-12-01 16:45:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2020-12-01 16:45:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2020-12-01 16:45:56,111 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2020-12-01 16:45:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2020-12-01 16:45:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2020-12-01 16:45:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2020-12-01 16:45:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2020-12-01 16:45:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2020-12-01 16:45:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2020-12-01 16:45:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2020-12-01 16:45:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2020-12-01 16:45:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2020-12-01 16:45:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2020-12-01 16:45:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2020-12-01 16:45:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2020-12-01 16:45:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2020-12-01 16:45:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2020-12-01 16:45:56,116 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 16:46:02,231 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:46:02,232 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-01 16:46:02,233 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor error location. [2020-12-01 16:46:02,234 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 16:46:02,242 INFO L168 Benchmark]: Toolchain (without parser) took 7986.86 ms. Allocated memory was 60.8 MB in the beginning and 136.3 MB in the end (delta: 75.5 MB). Free memory was 35.9 MB in the beginning and 95.7 MB in the end (delta: -59.8 MB). Peak memory consumption was 55.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:46:02,243 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 41.9 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:46:02,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1600.83 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 35.7 MB in the beginning and 39.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:46:02,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.75 ms. Allocated memory is still 77.6 MB. Free memory was 39.4 MB in the beginning and 35.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:46:02,246 INFO L168 Benchmark]: Boogie Preprocessor took 90.69 ms. Allocated memory is still 77.6 MB. Free memory was 35.2 MB in the beginning and 31.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:46:02,248 INFO L168 Benchmark]: RCFGBuilder took 6202.94 ms. Allocated memory was 77.6 MB in the beginning and 136.3 MB in the end (delta: 58.7 MB). Free memory was 31.0 MB in the beginning and 95.7 MB in the end (delta: -64.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:46:02,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 60.8 MB. Free memory was 41.9 MB in the beginning and 41.9 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1600.83 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 35.7 MB in the beginning and 39.4 MB in the end (delta: -3.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.75 ms. Allocated memory is still 77.6 MB. Free memory was 39.4 MB in the beginning and 35.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.69 ms. Allocated memory is still 77.6 MB. Free memory was 35.2 MB in the beginning and 31.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6202.94 ms. Allocated memory was 77.6 MB in the beginning and 136.3 MB in the end (delta: 58.7 MB). Free memory was 31.0 MB in the beginning and 95.7 MB in the end (delta: -64.7 MB). Peak memory consumption was 34.0 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...