./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ --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 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:10:01,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:10:01,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:10:01,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:10:01,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:10:01,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:10:01,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:10:01,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:10:01,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:10:01,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:10:01,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:10:01,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:10:01,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:10:01,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:10:01,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:10:01,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:10:01,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:10:01,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:10:01,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:10:01,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:10:01,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:10:01,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:10:01,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:10:01,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:10:01,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:10:01,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:10:01,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:10:01,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:10:01,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:10:01,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:10:01,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:10:01,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:10:01,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:10:01,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:10:01,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:10:01,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:10:01,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:10:01,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:10:01,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:10:01,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:10:01,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:10:01,959 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:10:02,002 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:10:02,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:10:02,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:10:02,005 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:10:02,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:10:02,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:10:02,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:10:02,007 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:10:02,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:10:02,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:10:02,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:10:02,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:10:02,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:10:02,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:10:02,008 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:10:02,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:10:02,008 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:10:02,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:10:02,009 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:10:02,009 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:10:02,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:10:02,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:10:02,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:10:02,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:10:02,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:10:02,010 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:10:02,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:10:02,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:10:02,010 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_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df [2021-11-22 23:10:02,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:10:02,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:10:02,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:10:02,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:10:02,340 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:10:02,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2021-11-22 23:10:02,445 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/data/7442e626a/16da0874066e454abed764106a6b95fc/FLAGec2658722 [2021-11-22 23:10:02,913 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:10:02,913 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2021-11-22 23:10:02,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/data/7442e626a/16da0874066e454abed764106a6b95fc/FLAGec2658722 [2021-11-22 23:10:03,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/data/7442e626a/16da0874066e454abed764106a6b95fc [2021-11-22 23:10:03,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:10:03,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:10:03,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:10:03,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:10:03,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:10:03,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149be04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03, skipping insertion in model container [2021-11-22 23:10:03,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:10:03,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:10:03,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c[2696,2709] [2021-11-22 23:10:03,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:03,656 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:10:03,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c[2696,2709] [2021-11-22 23:10:03,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:03,735 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:10:03,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03 WrapperNode [2021-11-22 23:10:03,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:10:03,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:03,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:10:03,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:10:03,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,806 INFO L137 Inliner]: procedures = 24, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2021-11-22 23:10:03,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:03,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:10:03,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:10:03,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:10:03,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:10:03,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:10:03,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:10:03,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:10:03,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:03" (1/1) ... [2021-11-22 23:10:03,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:10:03,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:10:03,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:10:03,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:10:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:10:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 23:10:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 23:10:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 23:10:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 23:10:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:10:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:10:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:10:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:10:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:10:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:10:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:10:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:10:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:10:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:10:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:10:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:10:03,976 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:10:04,058 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:10:04,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:10:04,258 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:10:04,408 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:10:04,408 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:10:04,415 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2021-11-22 23:10:04,420 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:304) 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) [2021-11-22 23:10:04,424 INFO L158 Benchmark]: Toolchain (without parser) took 1046.35ms. Allocated memory is still 138.4MB. Free memory was 105.3MB in the beginning and 92.1MB in the end (delta: 13.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-22 23:10:04,429 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 39.8MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:10:04,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.29ms. Allocated memory is still 138.4MB. Free memory was 105.3MB in the beginning and 112.4MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:10:04,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.52ms. Allocated memory is still 138.4MB. Free memory was 112.4MB in the beginning and 110.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:10:04,432 INFO L158 Benchmark]: Boogie Preprocessor took 57.16ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 108.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:10:04,432 INFO L158 Benchmark]: RCFGBuilder took 557.17ms. Allocated memory is still 138.4MB. Free memory was 108.8MB in the beginning and 92.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-22 23:10:04,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 39.8MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.29ms. Allocated memory is still 138.4MB. Free memory was 105.3MB in the beginning and 112.4MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.52ms. Allocated memory is still 138.4MB. Free memory was 112.4MB in the beginning and 110.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.16ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 108.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.17ms. Allocated memory is still 138.4MB. Free memory was 108.8MB in the beginning and 92.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:10:04,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ --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 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:10:07,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:10:07,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:10:07,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:10:07,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:10:07,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:10:07,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:10:07,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:10:07,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:10:07,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:10:07,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:10:07,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:10:07,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:10:07,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:10:07,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:10:07,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:10:07,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:10:07,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:10:07,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:10:07,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:10:07,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:10:07,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:10:07,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:10:07,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:10:07,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:10:07,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:10:07,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:10:07,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:10:07,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:10:07,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:10:07,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:10:07,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:10:07,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:10:07,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:10:07,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:10:07,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:10:07,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:10:07,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:10:07,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:10:07,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:10:07,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:10:07,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-22 23:10:07,202 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:10:07,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:10:07,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:10:07,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:10:07,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:10:07,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:10:07,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:10:07,206 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:10:07,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:10:07,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:10:07,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:10:07,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:10:07,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:10:07,208 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 23:10:07,208 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:10:07,208 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:10:07,209 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:10:07,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:10:07,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:10:07,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:10:07,209 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:10:07,210 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:10:07,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:10:07,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:10:07,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:10:07,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:10:07,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:10:07,211 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-22 23:10:07,211 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:10:07,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:10:07,211 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-22 23:10:07,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:10:07,212 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_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df [2021-11-22 23:10:07,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:10:07,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:10:07,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:10:07,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:10:07,699 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:10:07,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2021-11-22 23:10:07,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/data/bc8000355/5df8d6cb428a4be1b7ee6dc42d4ec6d9/FLAG2c13f56fd [2021-11-22 23:10:08,280 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:10:08,281 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2021-11-22 23:10:08,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/data/bc8000355/5df8d6cb428a4be1b7ee6dc42d4ec6d9/FLAG2c13f56fd [2021-11-22 23:10:08,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/data/bc8000355/5df8d6cb428a4be1b7ee6dc42d4ec6d9 [2021-11-22 23:10:08,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:10:08,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:10:08,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:10:08,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:10:08,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:10:08,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:10:08" (1/1) ... [2021-11-22 23:10:08,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17612c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:08, skipping insertion in model container [2021-11-22 23:10:08,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:10:08" (1/1) ... [2021-11-22 23:10:08,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:10:08,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:10:08,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c[2696,2709] [2021-11-22 23:10:08,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:09,022 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-22 23:10:09,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:10:09,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c[2696,2709] [2021-11-22 23:10:09,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:09,053 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:10:09,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c[2696,2709] [2021-11-22 23:10:09,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:10:09,101 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:10:09,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:09 WrapperNode [2021-11-22 23:10:09,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:10:09,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:09,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:10:09,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:10:09,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:09" (1/1) ... [2021-11-22 23:10:09,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:09" (1/1) ... [2021-11-22 23:10:09,141 INFO L137 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2021-11-22 23:10:09,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:10:09,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:10:09,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:10:09,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:10:09,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:09" (1/1) ... [2021-11-22 23:10:09,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:09" (1/1) ... [2021-11-22 23:10:09,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:09" (1/1) ... [2021-11-22 23:10:09,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:09" (1/1) ... [2021-11-22 23:10:09,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:09" (1/1) ... [2021-11-22 23:10:09,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:09" (1/1) ... [2021-11-22 23:10:09,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:09" (1/1) ... [2021-11-22 23:10:09,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:10:09,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:10:09,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:10:09,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:10:09,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:10:09" (1/1) ... [2021-11-22 23:10:09,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:10:09,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:10:09,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:10:09,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:10:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:10:09,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 23:10:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:10:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 23:10:09,260 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 23:10:09,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 23:10:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 23:10:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 23:10:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:10:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:10:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:10:09,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:10:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:10:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:10:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:10:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:10:09,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 23:10:09,266 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:10:09,429 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:10:09,431 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:10:09,770 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:10:09,912 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:10:09,912 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:10:09,913 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2021-11-22 23:10:09,914 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:304) 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) [2021-11-22 23:10:09,921 INFO L158 Benchmark]: Toolchain (without parser) took 1265.44ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 42.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-22 23:10:09,922 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 66.2MB in the beginning and 66.1MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:10:09,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.53ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 64.9MB in the end (delta: -15.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 23:10:09,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.65ms. Allocated memory is still 83.9MB. Free memory was 64.9MB in the beginning and 63.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:10:09,925 INFO L158 Benchmark]: Boogie Preprocessor took 33.74ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 61.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:10:09,926 INFO L158 Benchmark]: RCFGBuilder took 741.21ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 42.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 23:10:09,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 66.2MB in the beginning and 66.1MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.53ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 64.9MB in the end (delta: -15.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.65ms. Allocated memory is still 83.9MB. Free memory was 64.9MB in the beginning and 63.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.74ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 61.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 741.21ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 42.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:10:09,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66e72086-d521-4a81-a5f0-aabcea7f38b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- 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?