./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI --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 dfec19cb420bdcc992ee0af7789c6701a360457d4b79eebd70c54f4e314fbf3f .............................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI --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 dfec19cb420bdcc992ee0af7789c6701a360457d4b79eebd70c54f4e314fbf3f .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:28:07,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:28:07,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:28:07,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:28:07,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:28:07,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:28:07,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:28:07,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:28:07,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:28:07,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:28:07,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:28:07,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:28:07,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:28:07,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:28:07,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:28:07,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:28:07,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:28:07,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:28:07,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:28:07,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:28:07,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:28:07,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:28:07,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:28:07,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:28:07,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:28:07,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:28:07,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:28:07,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:28:07,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:28:07,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:28:07,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:28:07,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:28:07,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:28:07,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:28:07,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:28:07,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:28:07,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:28:07,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:28:07,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:28:07,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:28:07,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:28:07,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:28:07,653 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:28:07,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:28:07,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:28:07,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:28:07,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:28:07,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:28:07,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:28:07,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:28:07,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:28:07,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:28:07,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:28:07,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:28:07,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:28:07,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:28:07,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:28:07,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:28:07,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:28:07,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:28:07,668 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:28:07,668 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:28:07,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:28:07,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:07,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:28:07,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:28:07,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:28:07,670 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:28:07,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:28:07,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:28:07,670 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_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfec19cb420bdcc992ee0af7789c6701a360457d4b79eebd70c54f4e314fbf3f [2021-10-29 03:28:07,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:28:08,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:28:08,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:28:08,039 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:28:08,040 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:28:08,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2021-10-29 03:28:08,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/data/4291bc838/2047623f56044a45ab42f67278b626be/FLAG52a6e2ac1 [2021-10-29 03:28:08,766 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:28:08,766 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2021-10-29 03:28:08,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/data/4291bc838/2047623f56044a45ab42f67278b626be/FLAG52a6e2ac1 [2021-10-29 03:28:09,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/data/4291bc838/2047623f56044a45ab42f67278b626be [2021-10-29 03:28:09,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:28:09,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:28:09,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:09,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:28:09,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:28:09,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a792a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09, skipping insertion in model container [2021-10-29 03:28:09,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:28:09,141 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:28:09,348 WARN L228 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_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2021-10-29 03:28:09,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:09,363 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:28:09,386 WARN L228 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_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2021-10-29 03:28:09,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:09,400 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:28:09,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09 WrapperNode [2021-10-29 03:28:09,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:09,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:09,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:28:09,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:28:09,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:09,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:28:09,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:28:09,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:28:09,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:28:09,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:28:09,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:28:09,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:28:09,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:09" (1/1) ... [2021-10-29 03:28:09,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:09,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:28:09,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:28:09,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:28:09,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 03:28:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 03:28:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 03:28:09,593 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 03:28:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:28:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:28:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:28:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:28:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:28:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 03:28:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 03:28:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:28:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:28:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:28:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:28:09,598 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 03:28:10,049 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:28:10,050 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 03:28:10,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:10 BoogieIcfgContainer [2021-10-29 03:28:10,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:28:10,054 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:28:10,054 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:28:10,065 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:28:10,065 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:10" (1/1) ... [2021-10-29 03:28:10,066 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:363) 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) [2021-10-29 03:28:10,071 INFO L168 Benchmark]: Toolchain (without parser) took 973.84 ms. Allocated memory is still 142.6 MB. Free memory was 104.8 MB in the beginning and 96.5 MB in the end (delta: 8.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:10,072 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 142.6 MB. Free memory was 116.2 MB in the beginning and 116.2 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:10,073 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.70 ms. Allocated memory is still 142.6 MB. Free memory was 104.5 MB in the beginning and 114.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:10,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.05 ms. Allocated memory is still 142.6 MB. Free memory was 114.2 MB in the beginning and 112.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:10,075 INFO L168 Benchmark]: Boogie Preprocessor took 29.32 ms. Allocated memory is still 142.6 MB. Free memory was 112.1 MB in the beginning and 111.4 MB in the end (delta: 767.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:10,076 INFO L168 Benchmark]: RCFGBuilder took 577.26 ms. Allocated memory is still 142.6 MB. Free memory was 111.4 MB in the beginning and 97.4 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:10,077 INFO L168 Benchmark]: CodeCheck took 15.07 ms. Allocated memory is still 142.6 MB. Free memory was 97.4 MB in the beginning and 96.5 MB in the end (delta: 883.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:10,082 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 142.6 MB. Free memory was 116.2 MB in the beginning and 116.2 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 299.70 ms. Allocated memory is still 142.6 MB. Free memory was 104.5 MB in the beginning and 114.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.05 ms. Allocated memory is still 142.6 MB. Free memory was 114.2 MB in the beginning and 112.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.32 ms. Allocated memory is still 142.6 MB. Free memory was 112.1 MB in the beginning and 111.4 MB in the end (delta: 767.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 577.26 ms. Allocated memory is still 142.6 MB. Free memory was 111.4 MB in the beginning and 97.4 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 15.07 ms. Allocated memory is still 142.6 MB. Free memory was 97.4 MB in the beginning and 96.5 MB in the end (delta: 883.8 kB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:28:10,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:28:12,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:28:12,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:28:12,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:28:12,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:28:12,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:28:12,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:28:12,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:28:12,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:28:12,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:28:12,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:28:12,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:28:12,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:28:12,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:28:12,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:28:12,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:28:12,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:28:12,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:28:12,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:28:12,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:28:12,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:28:12,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:28:12,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:28:12,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:28:12,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:28:12,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:28:12,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:28:12,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:28:12,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:28:12,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:28:12,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:28:12,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:28:12,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:28:12,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:28:12,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:28:12,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:28:12,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:28:12,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:28:12,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:28:12,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:28:12,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:28:12,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 03:28:12,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:28:12,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:28:12,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:28:12,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:28:12,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:28:12,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:28:12,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:28:12,861 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:28:12,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:28:12,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:28:12,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:28:12,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:28:12,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:28:12,863 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 03:28:12,863 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 03:28:12,863 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 03:28:12,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:28:12,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:28:12,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:28:12,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:28:12,864 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:28:12,864 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:28:12,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:28:12,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:12,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:28:12,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:28:12,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:28:12,866 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 03:28:12,866 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 03:28:12,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:28:12,867 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 03:28:12,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 03:28:12,867 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_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfec19cb420bdcc992ee0af7789c6701a360457d4b79eebd70c54f4e314fbf3f [2021-10-29 03:28:13,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:28:13,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:28:13,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:28:13,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:28:13,348 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:28:13,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2021-10-29 03:28:13,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/data/ca11f5073/730b33326c59486387998619bae6ec38/FLAGf1697a644 [2021-10-29 03:28:14,026 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:28:14,026 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2021-10-29 03:28:14,034 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/data/ca11f5073/730b33326c59486387998619bae6ec38/FLAGf1697a644 [2021-10-29 03:28:14,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/data/ca11f5073/730b33326c59486387998619bae6ec38 [2021-10-29 03:28:14,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:28:14,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:28:14,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:14,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:28:14,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:28:14,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e228f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14, skipping insertion in model container [2021-10-29 03:28:14,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:28:14,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:28:14,746 WARN L228 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_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2021-10-29 03:28:14,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:14,775 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:28:14,814 WARN L228 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_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2021-10-29 03:28:14,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:14,833 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:28:14,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14 WrapperNode [2021-10-29 03:28:14,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:14,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:14,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:28:14,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:28:14,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:14,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:28:14,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:28:14,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:28:14,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:28:14,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:28:14,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:28:14,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:28:14,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:14" (1/1) ... [2021-10-29 03:28:14,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:14,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:28:14,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:28:15,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:28:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 03:28:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 03:28:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 03:28:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 03:28:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 03:28:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:28:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:28:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:28:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 03:28:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 03:28:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 03:28:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:28:15,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:28:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:28:15,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 03:28:15,057 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 03:28:15,589 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:28:15,589 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 03:28:15,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:15 BoogieIcfgContainer [2021-10-29 03:28:15,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:28:15,606 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:28:15,606 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:28:15,617 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:28:15,617 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:15" (1/1) ... [2021-10-29 03:28:15,618 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:363) 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) [2021-10-29 03:28:15,626 INFO L168 Benchmark]: Toolchain (without parser) took 1225.97 ms. Allocated memory is still 58.7 MB. Free memory was 37.9 MB in the beginning and 39.7 MB in the end (delta: -1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:15,627 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 38.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:15,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.67 ms. Allocated memory is still 58.7 MB. Free memory was 37.7 MB in the beginning and 40.0 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:15,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.06 ms. Allocated memory is still 58.7 MB. Free memory was 39.8 MB in the beginning and 38.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:15,631 INFO L168 Benchmark]: Boogie Preprocessor took 60.20 ms. Allocated memory is still 58.7 MB. Free memory was 38.3 MB in the beginning and 37.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:15,632 INFO L168 Benchmark]: RCFGBuilder took 652.79 ms. Allocated memory is still 58.7 MB. Free memory was 37.0 MB in the beginning and 40.7 MB in the end (delta: -3.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:15,633 INFO L168 Benchmark]: CodeCheck took 16.98 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 39.7 MB in the end (delta: 938.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:15,644 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 58.7 MB. Free memory is still 38.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 435.67 ms. Allocated memory is still 58.7 MB. Free memory was 37.7 MB in the beginning and 40.0 MB in the end (delta: -2.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.06 ms. Allocated memory is still 58.7 MB. Free memory was 39.8 MB in the beginning and 38.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.20 ms. Allocated memory is still 58.7 MB. Free memory was 38.3 MB in the beginning and 37.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 652.79 ms. Allocated memory is still 58.7 MB. Free memory was 37.0 MB in the beginning and 40.7 MB in the end (delta: -3.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * CodeCheck took 16.98 ms. Allocated memory is still 58.7 MB. Free memory was 40.7 MB in the beginning and 39.7 MB in the end (delta: 938.0 kB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:28:15,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e488fea-182a-4b7d-a7d1-41d32d9d2e89/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...