./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8aa2f42a85a9f3027447e72c7bcb58b1191c722 ...................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f8aa2f42a85a9f3027447e72c7bcb58b1191c722 ........................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:24:51,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:24:51,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:24:51,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:24:51,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:24:51,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:24:51,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:24:51,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:24:51,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:24:51,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:24:51,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:24:51,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:24:51,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:24:51,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:24:51,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:24:51,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:24:51,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:24:51,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:24:51,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:24:51,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:24:51,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:24:51,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:24:52,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:24:52,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:24:52,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:24:52,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:24:52,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:24:52,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:24:52,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:24:52,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:24:52,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:24:52,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:24:52,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:24:52,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:24:52,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:24:52,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:24:52,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:24:52,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:24:52,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:24:52,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:24:52,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:24:52,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:24:52,098 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:24:52,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:24:52,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:24:52,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:24:52,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:24:52,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:24:52,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:24:52,103 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:24:52,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:24:52,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:24:52,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:24:52,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:24:52,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:24:52,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:24:52,107 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:24:52,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:24:52,108 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:24:52,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:24:52,108 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:24:52,108 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:24:52,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:24:52,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:24:52,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:24:52,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:24:52,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:24:52,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:24:52,111 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:24:52,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:24:52,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:24:52,111 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_03155b5d-fce7-459e-ab50-b95b4b7142b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8aa2f42a85a9f3027447e72c7bcb58b1191c722 [2020-12-01 18:24:52,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:24:52,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:24:52,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:24:52,607 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:24:52,609 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:24:52,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/../../sv-benchmarks/c/pthread-ext/25_stack.i [2020-12-01 18:24:52,710 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/data/2e2a5cb13/4c896bb1750b410f87cc660b1c4a454b/FLAGefc65d84f [2020-12-01 18:24:53,462 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:24:53,462 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/sv-benchmarks/c/pthread-ext/25_stack.i [2020-12-01 18:24:53,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/data/2e2a5cb13/4c896bb1750b410f87cc660b1c4a454b/FLAGefc65d84f [2020-12-01 18:24:53,692 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/data/2e2a5cb13/4c896bb1750b410f87cc660b1c4a454b [2020-12-01 18:24:53,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:24:53,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:24:53,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:24:53,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:24:53,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:24:53,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:24:53" (1/1) ... [2020-12-01 18:24:53,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285ff721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:53, skipping insertion in model container [2020-12-01 18:24:53,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:24:53" (1/1) ... [2020-12-01 18:24:53,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:24:53,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:24:54,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:24:54,499 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:24:54,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:24:54,696 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:24:54,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:54 WrapperNode [2020-12-01 18:24:54,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:24:54,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:24:54,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:24:54,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:24:54,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:54" (1/1) ... [2020-12-01 18:24:54,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:54" (1/1) ... [2020-12-01 18:24:54,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:24:54,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:24:54,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:24:54,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:24:54,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:54" (1/1) ... [2020-12-01 18:24:54,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:54" (1/1) ... [2020-12-01 18:24:54,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:54" (1/1) ... [2020-12-01 18:24:54,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:54" (1/1) ... [2020-12-01 18:24:54,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:54" (1/1) ... [2020-12-01 18:24:54,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:54" (1/1) ... [2020-12-01 18:24:54,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:54" (1/1) ... [2020-12-01 18:24:54,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:24:54,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:24:54,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:24:54,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:24:54,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:24:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/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 18:24:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 18:24:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-01 18:24:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-01 18:24:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 18:24:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-12-01 18:24:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-12-01 18:24:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 18:24:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 18:24:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:24:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:24:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2020-12-01 18:24:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2020-12-01 18:24:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:24:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-12-01 18:24:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-12-01 18:24:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:24:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:24:54,911 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 18:24:55,866 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:24:55,867 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-01 18:24:55,868 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor error location. [2020-12-01 18:24:55,869 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 18:24:55,875 INFO L168 Benchmark]: Toolchain (without parser) took 2173.25 ms. Allocated memory is still 109.1 MB. Free memory was 77.9 MB in the beginning and 52.4 MB in the end (delta: 25.5 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:55,876 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 77.6 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:24:55,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 995.16 ms. Allocated memory is still 109.1 MB. Free memory was 77.6 MB in the beginning and 63.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:55,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.90 ms. Allocated memory is still 109.1 MB. Free memory was 63.2 MB in the beginning and 61.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:55,879 INFO L168 Benchmark]: Boogie Preprocessor took 41.19 ms. Allocated memory is still 109.1 MB. Free memory was 61.1 MB in the beginning and 59.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:55,880 INFO L168 Benchmark]: RCFGBuilder took 1058.14 ms. Allocated memory is still 109.1 MB. Free memory was 59.3 MB in the beginning and 52.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:24:55,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 77.6 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 995.16 ms. Allocated memory is still 109.1 MB. Free memory was 77.6 MB in the beginning and 63.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.90 ms. Allocated memory is still 109.1 MB. Free memory was 63.2 MB in the beginning and 61.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.19 ms. Allocated memory is still 109.1 MB. Free memory was 61.1 MB in the beginning and 59.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1058.14 ms. Allocated memory is still 109.1 MB. Free memory was 59.3 MB in the beginning and 52.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 18:24:59,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:24:59,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:24:59,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:24:59,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:24:59,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:24:59,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:24:59,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:24:59,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:24:59,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:24:59,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:24:59,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:24:59,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:24:59,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:24:59,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:24:59,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:24:59,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:24:59,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:24:59,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:24:59,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:24:59,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:24:59,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:24:59,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:24:59,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:24:59,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:24:59,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:24:59,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:24:59,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:24:59,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:24:59,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:24:59,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:24:59,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:24:59,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:24:59,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:24:59,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:24:59,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:24:59,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:24:59,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:24:59,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:24:59,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:24:59,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:24:59,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 18:24:59,379 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:24:59,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:24:59,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:24:59,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:24:59,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:24:59,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:24:59,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:24:59,384 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:24:59,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:24:59,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:24:59,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:24:59,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:24:59,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:24:59,393 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 18:24:59,394 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 18:24:59,394 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 18:24:59,394 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:24:59,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:24:59,394 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:24:59,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:24:59,395 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:24:59,395 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:24:59,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:24:59,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:24:59,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:24:59,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:24:59,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:24:59,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:24:59,410 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 18:24:59,410 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 18:24:59,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:24:59,410 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 18:24:59,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 18:24:59,411 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_03155b5d-fce7-459e-ab50-b95b4b7142b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8aa2f42a85a9f3027447e72c7bcb58b1191c722 [2020-12-01 18:24:59,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:24:59,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:24:59,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:24:59,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:24:59,984 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:24:59,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/../../sv-benchmarks/c/pthread-ext/25_stack.i [2020-12-01 18:25:00,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/data/a01f20418/8a8b328abe8c4b6b9e12c758e6c21186/FLAGfb78368d9 [2020-12-01 18:25:00,911 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:25:00,912 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/sv-benchmarks/c/pthread-ext/25_stack.i [2020-12-01 18:25:00,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/data/a01f20418/8a8b328abe8c4b6b9e12c758e6c21186/FLAGfb78368d9 [2020-12-01 18:25:01,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/bin/ukojak/data/a01f20418/8a8b328abe8c4b6b9e12c758e6c21186 [2020-12-01 18:25:01,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:25:01,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:25:01,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:25:01,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:25:01,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:25:01,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:25:01" (1/1) ... [2020-12-01 18:25:01,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2863b918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:01, skipping insertion in model container [2020-12-01 18:25:01,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:25:01" (1/1) ... [2020-12-01 18:25:01,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:25:01,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:25:01,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:25:01,867 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:25:01,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:25:02,108 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:25:02,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:02 WrapperNode [2020-12-01 18:25:02,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:25:02,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:25:02,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:25:02,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:25:02,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:02" (1/1) ... [2020-12-01 18:25:02,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:02" (1/1) ... [2020-12-01 18:25:02,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:25:02,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:25:02,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:25:02,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:25:02,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:02" (1/1) ... [2020-12-01 18:25:02,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:02" (1/1) ... [2020-12-01 18:25:02,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:02" (1/1) ... [2020-12-01 18:25:02,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:02" (1/1) ... [2020-12-01 18:25:02,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:02" (1/1) ... [2020-12-01 18:25:02,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:02" (1/1) ... [2020-12-01 18:25:02,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:02" (1/1) ... [2020-12-01 18:25:02,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:25:02,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:25:02,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:25:02,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:25:02,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:25:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_03155b5d-fce7-459e-ab50-b95b4b7142b0/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 18:25:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 18:25:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-12-01 18:25:02,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-12-01 18:25:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2020-12-01 18:25:02,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2020-12-01 18:25:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 18:25:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 18:25:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:25:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:25:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 18:25:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 18:25:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-01 18:25:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2020-12-01 18:25:02,411 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2020-12-01 18:25:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2020-12-01 18:25:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2020-12-01 18:25:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:25:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:25:02,414 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 18:25:03,588 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:25:03,589 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-01 18:25:03,590 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor error location. [2020-12-01 18:25:03,591 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 18:25:03,602 INFO L168 Benchmark]: Toolchain (without parser) took 2503.44 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 50.9 MB in the beginning and 50.9 MB in the end (delta: -43.7 kB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:25:03,603 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 69.2 MB. Free memory is still 52.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:25:03,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1015.56 ms. Allocated memory is still 69.2 MB. Free memory was 50.7 MB in the beginning and 30.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:25:03,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.55 ms. Allocated memory is still 69.2 MB. Free memory was 30.3 MB in the beginning and 52.4 MB in the end (delta: -22.1 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:25:03,608 INFO L168 Benchmark]: Boogie Preprocessor took 70.04 ms. Allocated memory is still 69.2 MB. Free memory was 52.4 MB in the beginning and 50.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:25:03,609 INFO L168 Benchmark]: RCFGBuilder took 1302.61 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 50.6 MB in the beginning and 50.9 MB in the end (delta: -313.4 kB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:25:03,622 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 69.2 MB. Free memory is still 52.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1015.56 ms. Allocated memory is still 69.2 MB. Free memory was 50.7 MB in the beginning and 30.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 109.55 ms. Allocated memory is still 69.2 MB. Free memory was 30.3 MB in the beginning and 52.4 MB in the end (delta: -22.1 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.04 ms. Allocated memory is still 69.2 MB. Free memory was 52.4 MB in the beginning and 50.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1302.61 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 50.6 MB in the beginning and 50.9 MB in the end (delta: -313.4 kB). Peak memory consumption was 22.0 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...