./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:49:08,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:08,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:08,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:08,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:08,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:08,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:08,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:08,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:08,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:08,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:08,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:08,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:08,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:08,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:08,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:08,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:08,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:08,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:08,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:08,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:08,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:08,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:08,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:08,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:08,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:08,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:08,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:08,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:08,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:08,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:08,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:08,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:08,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:08,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:08,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:08,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:08,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:08,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:08,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:08,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:08,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:08,949 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:08,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:08,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:08,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:08,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:08,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:08,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:08,952 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:08,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:08,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:08,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:08,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:08,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:08,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:08,955 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:08,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:08,955 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:08,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:08,956 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:08,956 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:08,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:08,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:08,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:08,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:08,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:08,957 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:08,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:08,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:08,958 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_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f [2022-10-17 16:49:09,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:09,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:09,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:09,307 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:09,309 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:09,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2022-10-17 16:49:09,395 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/data/526188714/27ac05559d454d22b12a42a846079d54/FLAG4daf597e3 [2022-10-17 16:49:09,891 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:09,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2022-10-17 16:49:09,899 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/data/526188714/27ac05559d454d22b12a42a846079d54/FLAG4daf597e3 [2022-10-17 16:49:10,248 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/data/526188714/27ac05559d454d22b12a42a846079d54 [2022-10-17 16:49:10,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:10,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:10,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:10,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:10,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:10,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2369ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10, skipping insertion in model container [2022-10-17 16:49:10,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:10,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:10,510 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_1569884d-122b-495b-9add-df19e62ba7aa/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2022-10-17 16:49:10,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:10,522 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:10,543 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_1569884d-122b-495b-9add-df19e62ba7aa/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2022-10-17 16:49:10,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:10,558 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:10,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10 WrapperNode [2022-10-17 16:49:10,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:10,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:10,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:10,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:10,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,597 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2022-10-17 16:49:10,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:10,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:10,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:10,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:10,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,621 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:10,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:10,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:10,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:10,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:10" (1/1) ... [2022-10-17 16:49:10,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:10,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:10,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:10,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:10,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:10,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:49:10,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:49:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:49:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:49:10,720 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:49:10,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:49:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:49:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:49:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:49:10,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:10,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:10,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:49:10,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:10,724 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:49:10,902 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:10,904 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:11,137 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:11,185 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:11,190 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:49:11,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:11 BoogieIcfgContainer [2022-10-17 16:49:11,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:11,196 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:11,197 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:11,207 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:11,208 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:11" (1/1) ... [2022-10-17 16:49:11,209 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) [2022-10-17 16:49:11,216 INFO L158 Benchmark]: Toolchain (without parser) took 961.19ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 59.3MB in the beginning and 54.6MB in the end (delta: 4.7MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2022-10-17 16:49:11,217 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:11,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.56ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 59.2MB in the beginning and 72.1MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:49:11,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.99ms. Allocated memory is still 96.5MB. Free memory was 72.1MB in the beginning and 70.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:11,223 INFO L158 Benchmark]: Boogie Preprocessor took 27.39ms. Allocated memory is still 96.5MB. Free memory was 70.5MB in the beginning and 69.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:11,224 INFO L158 Benchmark]: RCFGBuilder took 568.66ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 55.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:49:11,225 INFO L158 Benchmark]: CodeCheck took 15.80ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 54.6MB in the end (delta: 970.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:11,235 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 79.7MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.56ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 59.2MB in the beginning and 72.1MB in the end (delta: -12.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.99ms. Allocated memory is still 96.5MB. Free memory was 72.1MB in the beginning and 70.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.39ms. Allocated memory is still 96.5MB. Free memory was 70.5MB in the beginning and 69.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 568.66ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 55.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 15.80ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 54.6MB in the end (delta: 970.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:49:11,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/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_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:49:13,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:13,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:13,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:13,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:13,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:13,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:13,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:13,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:13,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:13,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:13,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:13,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:13,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:13,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:13,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:13,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:13,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:13,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:13,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:13,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:13,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:13,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:13,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:14,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:14,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:14,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:14,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:14,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:14,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:14,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:14,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:14,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:14,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:14,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:14,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:14,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:14,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:14,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:14,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:14,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:14,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:49:14,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:14,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:14,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:14,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:14,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:14,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:14,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:14,084 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:14,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:14,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:14,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:14,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:14,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:14,087 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:49:14,087 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:49:14,087 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:49:14,088 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:14,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:14,088 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:14,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:14,089 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:14,089 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:14,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:14,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:14,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:14,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:14,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:14,091 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:49:14,092 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:49:14,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:14,092 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:49:14,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:49:14,093 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_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c17307c3ae663be4a153b702602dea6d5ee45f14a080e7a1fb720e97140b770f [2022-10-17 16:49:14,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:14,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:14,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:14,611 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:14,614 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:14,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2022-10-17 16:49:14,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/data/9e1792f0b/513b020116ba4a64a711130cdc9c7c46/FLAG9b396de5d [2022-10-17 16:49:15,221 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:15,222 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c [2022-10-17 16:49:15,231 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/data/9e1792f0b/513b020116ba4a64a711130cdc9c7c46/FLAG9b396de5d [2022-10-17 16:49:15,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/data/9e1792f0b/513b020116ba4a64a711130cdc9c7c46 [2022-10-17 16:49:15,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:15,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:15,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:15,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:15,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:15,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8b55e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15, skipping insertion in model container [2022-10-17 16:49:15,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:15,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:15,783 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_1569884d-122b-495b-9add-df19e62ba7aa/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2022-10-17 16:49:15,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:15,799 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:15,871 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_1569884d-122b-495b-9add-df19e62ba7aa/sv-benchmarks/c/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2022-10-17 16:49:15,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:15,888 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:15,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15 WrapperNode [2022-10-17 16:49:15,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:15,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:15,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:15,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:15,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,935 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-10-17 16:49:15,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:15,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:15,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:15,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:15,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,986 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:15,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:15,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:16,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:16,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:16,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:15" (1/1) ... [2022-10-17 16:49:16,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:16,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:16,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:16,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:49:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:49:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:49:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:49:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:49:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:49:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:49:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:49:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:49:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:49:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:49:16,101 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:49:16,242 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:16,245 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:16,431 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:16,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:16,539 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:49:16,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:16 BoogieIcfgContainer [2022-10-17 16:49:16,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:16,543 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:16,543 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:16,553 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:16,559 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:16" (1/1) ... [2022-10-17 16:49:16,562 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) [2022-10-17 16:49:16,566 INFO L158 Benchmark]: Toolchain (without parser) took 996.55ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.6MB in the beginning and 51.3MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:16,568 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:16,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.30ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 40.7MB in the end (delta: -3.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:49:16,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.90ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 39.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:16,581 INFO L158 Benchmark]: Boogie Preprocessor took 60.16ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 37.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:16,582 INFO L158 Benchmark]: RCFGBuilder took 543.28ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.8MB in the beginning and 52.2MB in the end (delta: -14.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:16,584 INFO L158 Benchmark]: CodeCheck took 21.89ms. Allocated memory is still 71.3MB. Free memory was 52.2MB in the beginning and 51.3MB in the end (delta: 825.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:16,589 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 0.24ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.30ms. Allocated memory is still 58.7MB. Free memory was 37.4MB in the beginning and 40.7MB in the end (delta: -3.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.90ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 39.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.16ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 37.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 543.28ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 37.8MB in the beginning and 52.2MB in the end (delta: -14.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * CodeCheck took 21.89ms. Allocated memory is still 71.3MB. Free memory was 52.2MB in the beginning and 51.3MB in the end (delta: 825.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:49:16,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1569884d-122b-495b-9add-df19e62ba7aa/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported