./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.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_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/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 ecce745e14612aa8c6c0f38c99dfe6816632194e ...................................................................................................................................................................................................... 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_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/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 ecce745e14612aa8c6c0f38c99dfe6816632194e ........................................................................................................................................................................................................... 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 16:23:35,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:23:35,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:23:35,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:23:35,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:23:35,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:23:35,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:23:35,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:23:35,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:23:35,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:23:35,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:23:35,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:23:35,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:23:35,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:23:35,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:23:35,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:23:35,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:23:35,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:23:35,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:23:35,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:23:35,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:23:35,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:23:35,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:23:35,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:23:35,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:23:35,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:23:35,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:23:35,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:23:35,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:23:35,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:23:35,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:23:35,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:23:35,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:23:35,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:23:35,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:23:35,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:23:35,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:23:35,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:23:35,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:23:35,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:23:35,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:23:35,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:23:35,696 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:23:35,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:23:35,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:23:35,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:23:35,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:23:35,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:23:35,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:23:35,699 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:23:35,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:23:35,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:23:35,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:23:35,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:23:35,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:23:35,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:23:35,701 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:23:35,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:23:35,702 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:23:35,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:23:35,702 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:23:35,702 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:23:35,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:23:35,703 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:23:35,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:23:35,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:23:35,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:23:35,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:23:35,704 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:23:35,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:23:35,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:23:35,706 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_ee5e7838-ccf8-4298-9981-77f8fed70566/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecce745e14612aa8c6c0f38c99dfe6816632194e [2020-12-01 16:23:35,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:23:36,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:23:36,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:23:36,044 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:23:36,049 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:23:36,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2020-12-01 16:23:36,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/data/f37eecb4f/00b0f4761e6949a29b5db97b28df1abb/FLAGf4d42bce1 [2020-12-01 16:23:36,658 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:23:36,659 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2020-12-01 16:23:36,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/data/f37eecb4f/00b0f4761e6949a29b5db97b28df1abb/FLAGf4d42bce1 [2020-12-01 16:23:36,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/data/f37eecb4f/00b0f4761e6949a29b5db97b28df1abb [2020-12-01 16:23:36,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:23:36,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:23:36,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:23:36,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:23:36,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:23:36,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:23:36" (1/1) ... [2020-12-01 16:23:36,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b5fe83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:36, skipping insertion in model container [2020-12-01 16:23:36,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:23:36" (1/1) ... [2020-12-01 16:23:36,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:23:37,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:23:37,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:23:37,422 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:23:37,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:23:37,557 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:23:37,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:37 WrapperNode [2020-12-01 16:23:37,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:23:37,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:23:37,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:23:37,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:23:37,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:37" (1/1) ... [2020-12-01 16:23:37,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:37" (1/1) ... [2020-12-01 16:23:37,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:23:37,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:23:37,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:23:37,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:23:37,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:37" (1/1) ... [2020-12-01 16:23:37,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:37" (1/1) ... [2020-12-01 16:23:37,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:37" (1/1) ... [2020-12-01 16:23:37,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:37" (1/1) ... [2020-12-01 16:23:37,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:37" (1/1) ... [2020-12-01 16:23:37,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:37" (1/1) ... [2020-12-01 16:23:37,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:37" (1/1) ... [2020-12-01 16:23:37,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:23:37,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:23:37,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:23:37,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:23:37,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/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 16:23:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:23:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-01 16:23:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-01 16:23:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:23:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-12-01 16:23:37,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-12-01 16:23:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 16:23:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 16:23:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:23:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:23:37,734 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2020-12-01 16:23:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2020-12-01 16:23:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:23:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-12-01 16:23:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-12-01 16:23:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:23:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:23:37,737 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 16:23:38,420 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:23:38,420 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-01 16:23:38,421 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor error location. [2020-12-01 16:23:38,426 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 16:23:38,432 INFO L168 Benchmark]: Toolchain (without parser) took 1455.56 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 56.0 MB in the beginning and 54.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:23:38,433 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 88.1 MB. Free memory was 47.9 MB in the beginning and 47.9 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:23:38,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.81 ms. Allocated memory is still 88.1 MB. Free memory was 55.8 MB in the beginning and 44.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:23:38,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.03 ms. Allocated memory is still 88.1 MB. Free memory was 43.6 MB in the beginning and 41.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:23:38,435 INFO L168 Benchmark]: Boogie Preprocessor took 37.29 ms. Allocated memory is still 88.1 MB. Free memory was 41.4 MB in the beginning and 40.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:23:38,436 INFO L168 Benchmark]: RCFGBuilder took 782.85 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 40.0 MB in the beginning and 54.0 MB in the end (delta: -14.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:23:38,439 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 88.1 MB. Free memory was 47.9 MB in the beginning and 47.9 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 580.81 ms. Allocated memory is still 88.1 MB. Free memory was 55.8 MB in the beginning and 44.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.03 ms. Allocated memory is still 88.1 MB. Free memory was 43.6 MB in the beginning and 41.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.29 ms. Allocated memory is still 88.1 MB. Free memory was 41.4 MB in the beginning and 40.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 782.85 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 40.0 MB in the beginning and 54.0 MB in the end (delta: -14.1 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 16:23:40,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:23:40,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:23:41,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:23:41,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:23:41,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:23:41,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:23:41,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:23:41,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:23:41,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:23:41,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:23:41,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:23:41,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:23:41,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:23:41,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:23:41,070 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:23:41,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:23:41,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:23:41,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:23:41,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:23:41,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:23:41,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:23:41,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:23:41,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:23:41,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:23:41,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:23:41,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:23:41,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:23:41,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:23:41,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:23:41,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:23:41,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:23:41,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:23:41,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:23:41,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:23:41,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:23:41,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:23:41,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:23:41,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:23:41,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:23:41,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:23:41,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 16:23:41,173 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:23:41,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:23:41,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:23:41,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:23:41,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:23:41,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:23:41,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:23:41,178 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:23:41,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:23:41,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:23:41,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:23:41,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:23:41,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:23:41,180 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 16:23:41,180 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:23:41,180 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:23:41,181 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:23:41,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:23:41,181 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:23:41,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:23:41,181 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:23:41,182 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:23:41,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:23:41,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:23:41,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:23:41,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:23:41,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:23:41,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:23:41,183 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 16:23:41,183 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:23:41,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:23:41,184 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 16:23:41,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:23:41,185 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_ee5e7838-ccf8-4298-9981-77f8fed70566/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecce745e14612aa8c6c0f38c99dfe6816632194e [2020-12-01 16:23:41,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:23:41,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:23:41,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:23:41,574 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:23:41,577 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:23:41,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2020-12-01 16:23:41,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/data/d6df8f2fd/d3730d063d6941e18e561d7469192764/FLAG5b61149d0 [2020-12-01 16:23:42,260 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:23:42,261 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2020-12-01 16:23:42,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/data/d6df8f2fd/d3730d063d6941e18e561d7469192764/FLAG5b61149d0 [2020-12-01 16:23:42,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/bin/ukojak/data/d6df8f2fd/d3730d063d6941e18e561d7469192764 [2020-12-01 16:23:42,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:23:42,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:23:42,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:23:42,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:23:42,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:23:42,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:23:42" (1/1) ... [2020-12-01 16:23:42,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650889f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:42, skipping insertion in model container [2020-12-01 16:23:42,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:23:42" (1/1) ... [2020-12-01 16:23:42,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:23:42,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:23:43,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:23:43,075 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:23:43,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:23:43,274 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:23:43,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:43 WrapperNode [2020-12-01 16:23:43,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:23:43,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:23:43,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:23:43,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:23:43,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:43" (1/1) ... [2020-12-01 16:23:43,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:43" (1/1) ... [2020-12-01 16:23:43,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:23:43,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:23:43,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:23:43,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:23:43,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:43" (1/1) ... [2020-12-01 16:23:43,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:43" (1/1) ... [2020-12-01 16:23:43,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:43" (1/1) ... [2020-12-01 16:23:43,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:43" (1/1) ... [2020-12-01 16:23:43,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:43" (1/1) ... [2020-12-01 16:23:43,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:43" (1/1) ... [2020-12-01 16:23:43,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:43" (1/1) ... [2020-12-01 16:23:43,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:23:43,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:23:43,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:23:43,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:23:43,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:23:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee5e7838-ccf8-4298-9981-77f8fed70566/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 16:23:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 16:23:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-01 16:23:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-01 16:23:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-12-01 16:23:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-12-01 16:23:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 16:23:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 16:23:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:23:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:23:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 16:23:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 16:23:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-01 16:23:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2020-12-01 16:23:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2020-12-01 16:23:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-12-01 16:23:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-12-01 16:23:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:23:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:23:43,465 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 16:23:44,323 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:23:44,323 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-01 16:23:44,324 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor error location. [2020-12-01 16:23:44,325 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 16:23:44,329 INFO L168 Benchmark]: Toolchain (without parser) took 1835.47 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 31.2 MB in the beginning and 51.4 MB in the end (delta: -20.2 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:23:44,330 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 54.5 MB. Free memory is still 36.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:23:44,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.35 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 31.1 MB in the beginning and 48.0 MB in the end (delta: -16.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:23:44,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.27 ms. Allocated memory is still 75.5 MB. Free memory was 48.0 MB in the beginning and 45.9 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:23:44,332 INFO L168 Benchmark]: Boogie Preprocessor took 37.93 ms. Allocated memory is still 75.5 MB. Free memory was 45.9 MB in the beginning and 43.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:23:44,333 INFO L168 Benchmark]: RCFGBuilder took 948.55 ms. Allocated memory is still 75.5 MB. Free memory was 43.8 MB in the beginning and 51.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:23:44,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 54.5 MB. Free memory is still 36.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 779.35 ms. Allocated memory was 54.5 MB in the beginning and 75.5 MB in the end (delta: 21.0 MB). Free memory was 31.1 MB in the beginning and 48.0 MB in the end (delta: -16.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.27 ms. Allocated memory is still 75.5 MB. Free memory was 48.0 MB in the beginning and 45.9 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.93 ms. Allocated memory is still 75.5 MB. Free memory was 45.9 MB in the beginning and 43.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 948.55 ms. Allocated memory is still 75.5 MB. Free memory was 43.8 MB in the beginning and 51.4 MB in the end (delta: -7.5 MB). Peak memory consumption was 21.4 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...