./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/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 c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:24:42,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:24:42,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:24:42,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:24:42,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:24:42,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:24:42,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:24:42,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:24:42,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:24:42,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:24:42,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:24:42,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:24:42,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:24:42,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:24:42,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:24:42,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:24:42,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:24:42,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:24:42,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:24:42,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:24:42,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:24:42,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:24:42,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:24:42,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:24:42,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:24:42,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:24:42,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:24:42,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:24:42,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:24:42,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:24:42,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:24:42,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:24:42,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:24:42,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:24:42,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:24:42,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:24:42,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:24:42,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:24:42,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:24:42,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:24:42,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:24:42,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:24:42,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:24:42,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:24:42,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:24:42,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:24:42,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:24:42,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:24:42,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:24:42,582 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:24:42,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:24:42,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:24:42,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:24:42,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:24:42,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:24:42,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:24:42,583 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:24:42,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:24:42,584 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:24:42,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:24:42,584 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:24:42,584 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:24:42,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:24:42,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:42,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:24:42,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:24:42,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:24:42,586 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:24:42,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:24:42,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:24:42,586 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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f [2021-11-22 23:24:42,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:24:42,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:24:42,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:24:42,895 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:24:42,896 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:24:42,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2021-11-22 23:24:42,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/data/d6f74a9bb/5393298d738642f996b82a48601c1ca7/FLAG7b591fe1d [2021-11-22 23:24:43,504 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:24:43,504 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2021-11-22 23:24:43,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/data/d6f74a9bb/5393298d738642f996b82a48601c1ca7/FLAG7b591fe1d [2021-11-22 23:24:43,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/data/d6f74a9bb/5393298d738642f996b82a48601c1ca7 [2021-11-22 23:24:43,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:24:43,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:24:43,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:43,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:24:43,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:24:43,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@593ecd1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:43, skipping insertion in model container [2021-11-22 23:24:43,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:43" (1/1) ... [2021-11-22 23:24:43,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:24:43,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:24:44,082 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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2021-11-22 23:24:44,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:44,093 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:24:44,109 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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2021-11-22 23:24:44,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:44,122 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:24:44,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44 WrapperNode [2021-11-22 23:24:44,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:44,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:44,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:24:44,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:24:44,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,156 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2021-11-22 23:24:44,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:44,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:24:44,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:24:44,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:24:44,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:24:44,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:24:44,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:24:44,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:24:44,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:44,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:24:44,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:24:44,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:24:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:24:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 23:24:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 23:24:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 23:24:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 23:24:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:24:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:24:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:24:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:24:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:24:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:24:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:24:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:24:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:24:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:24:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:24:44,265 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 23:24:44,336 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:24:44,338 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:24:44,479 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:24:44,524 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:24:44,524 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:24:44,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:44 BoogieIcfgContainer [2021-11-22 23:24:44,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:24:44,527 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:24:44,527 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:24:44,555 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:24:44,555 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:44" (1/1) ... [2021-11-22 23:24:44,556 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 23:24:44,559 INFO L158 Benchmark]: Toolchain (without parser) took 712.12ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 60.7MB in the end (delta: 896.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:44,560 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:44,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.27ms. Allocated memory is still 102.8MB. Free memory was 61.4MB in the beginning and 77.4MB in the end (delta: -16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:24:44,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.64ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 75.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:44,562 INFO L158 Benchmark]: Boogie Preprocessor took 23.67ms. Allocated memory is still 102.8MB. Free memory was 75.9MB in the beginning and 74.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:24:44,579 INFO L158 Benchmark]: RCFGBuilder took 345.06ms. Allocated memory is still 102.8MB. Free memory was 74.7MB in the beginning and 62.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:24:44,580 INFO L158 Benchmark]: CodeCheck took 30.19ms. Allocated memory is still 102.8MB. Free memory was 61.8MB in the beginning and 60.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:24:44,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.27ms. Allocated memory is still 102.8MB. Free memory was 61.4MB in the beginning and 77.4MB in the end (delta: -16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.64ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 75.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.67ms. Allocated memory is still 102.8MB. Free memory was 75.9MB in the beginning and 74.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 345.06ms. Allocated memory is still 102.8MB. Free memory was 74.7MB in the beginning and 62.1MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 30.19ms. Allocated memory is still 102.8MB. Free memory was 61.8MB in the beginning and 60.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:24:44,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/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 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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/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 c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:24:47,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:24:47,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:24:47,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:24:47,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:24:47,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:24:47,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:24:47,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:24:47,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:24:47,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:24:47,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:24:47,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:24:47,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:24:47,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:24:47,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:24:47,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:24:47,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:24:47,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:24:47,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:24:47,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:24:47,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:24:47,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:24:47,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:24:47,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:24:47,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:24:47,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:24:47,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:24:47,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:24:47,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:24:47,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:24:47,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:24:47,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:24:47,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:24:47,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:24:47,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:24:47,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:24:47,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:24:47,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:24:47,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:24:47,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:24:47,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:24:47,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-22 23:24:47,303 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:24:47,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:24:47,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:24:47,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:24:47,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:24:47,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:24:47,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:24:47,308 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:24:47,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:24:47,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:24:47,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:24:47,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:24:47,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:24:47,310 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 23:24:47,310 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:24:47,310 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:24:47,311 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:24:47,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:24:47,311 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:24:47,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:24:47,312 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:24:47,312 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:24:47,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:24:47,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:47,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:24:47,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:24:47,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:24:47,313 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-22 23:24:47,313 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:24:47,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:24:47,314 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-22 23:24:47,314 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:24:47,314 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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f [2021-11-22 23:24:47,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:24:47,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:24:47,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:24:47,815 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:24:47,816 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:24:47,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2021-11-22 23:24:47,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/data/10e908c51/0154a139cc4c4163855f94f2b12d9ada/FLAGfd0b36664 [2021-11-22 23:24:48,489 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:24:48,489 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2021-11-22 23:24:48,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/data/10e908c51/0154a139cc4c4163855f94f2b12d9ada/FLAGfd0b36664 [2021-11-22 23:24:48,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/data/10e908c51/0154a139cc4c4163855f94f2b12d9ada [2021-11-22 23:24:48,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:24:48,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:24:48,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:48,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:24:48,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:24:48,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:48" (1/1) ... [2021-11-22 23:24:48,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9ec871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:48, skipping insertion in model container [2021-11-22 23:24:48,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:24:48" (1/1) ... [2021-11-22 23:24:48,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:24:48,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:24:49,081 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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2021-11-22 23:24:49,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:49,096 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:24:49,118 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_03f113e7-772f-4d19-a5a4-1a621c3b1da3/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2021-11-22 23:24:49,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:24:49,162 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:24:49,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:49 WrapperNode [2021-11-22 23:24:49,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:24:49,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:49,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:24:49,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:24:49,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:49" (1/1) ... [2021-11-22 23:24:49,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:49" (1/1) ... [2021-11-22 23:24:49,214 INFO L137 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2021-11-22 23:24:49,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:24:49,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:24:49,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:24:49,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:24:49,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:49" (1/1) ... [2021-11-22 23:24:49,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:49" (1/1) ... [2021-11-22 23:24:49,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:49" (1/1) ... [2021-11-22 23:24:49,241 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:49" (1/1) ... [2021-11-22 23:24:49,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:49" (1/1) ... [2021-11-22 23:24:49,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:49" (1/1) ... [2021-11-22 23:24:49,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:49" (1/1) ... [2021-11-22 23:24:49,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:24:49,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:24:49,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:24:49,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:24:49,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:24:49" (1/1) ... [2021-11-22 23:24:49,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:24:49,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:24:49,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:24:49,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:24:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:24:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 23:24:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 23:24:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 23:24:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 23:24:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 23:24:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:24:49,364 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:24:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:24:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:24:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:24:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 23:24:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:24:49,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:24:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:24:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 23:24:49,367 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 23:24:49,479 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:24:49,481 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:24:49,723 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:24:49,770 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:24:49,770 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:24:49,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:49 BoogieIcfgContainer [2021-11-22 23:24:49,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:24:49,774 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:24:49,774 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:24:49,784 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:24:49,784 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:24:49" (1/1) ... [2021-11-22 23:24:49,785 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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 23:24:49,788 INFO L158 Benchmark]: Toolchain (without parser) took 946.27ms. Allocated memory is still 60.8MB. Free memory was 40.3MB in the beginning and 27.4MB in the end (delta: 12.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-22 23:24:49,789 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:49,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.66ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 44.0MB in the end (delta: -3.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-22 23:24:49,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.48ms. Allocated memory is still 60.8MB. Free memory was 44.0MB in the beginning and 42.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:49,791 INFO L158 Benchmark]: Boogie Preprocessor took 54.86ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 41.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:24:49,792 INFO L158 Benchmark]: RCFGBuilder took 501.03ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 28.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 23:24:49,793 INFO L158 Benchmark]: CodeCheck took 12.92ms. Allocated memory is still 60.8MB. Free memory was 28.5MB in the beginning and 27.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:24:49,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.66ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 44.0MB in the end (delta: -3.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.48ms. Allocated memory is still 60.8MB. Free memory was 44.0MB in the beginning and 42.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.86ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 41.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 501.03ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 28.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 12.92ms. Allocated memory is still 60.8MB. Free memory was 28.5MB in the beginning and 27.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:24:49,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f113e7-772f-4d19-a5a4-1a621c3b1da3/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: Concurrent programs are currently unsupported