./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/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 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 --- 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 16:48:31,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:31,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:31,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:31,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:31,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:31,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:31,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:31,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:31,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:31,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:31,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:31,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:31,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:31,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:31,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:31,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:31,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:31,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:31,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:31,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:31,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:31,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:31,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:32,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:32,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:32,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:32,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:32,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:32,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:32,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:32,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:32,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:32,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:32,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:32,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:32,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:32,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:32,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:32,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:32,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:32,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:32,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:32,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:32,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:32,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:32,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:32,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:32,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:32,072 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:32,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:32,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:32,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:32,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:32,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:32,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:32,074 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:32,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:32,075 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:32,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:32,075 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:32,075 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:32,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:32,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:32,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:32,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:32,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:32,076 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:32,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:32,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:32,079 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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 [2022-10-17 16:48:32,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:32,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:32,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:32,403 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:32,404 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:32,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2022-10-17 16:48:32,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/data/148a455ff/8cebc19bbc5842b19cef84490eab3b65/FLAG232a22598 [2022-10-17 16:48:33,067 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:33,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2022-10-17 16:48:33,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/data/148a455ff/8cebc19bbc5842b19cef84490eab3b65/FLAG232a22598 [2022-10-17 16:48:33,407 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/data/148a455ff/8cebc19bbc5842b19cef84490eab3b65 [2022-10-17 16:48:33,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:33,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:33,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:33,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:33,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:33,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10add44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33, skipping insertion in model container [2022-10-17 16:48:33,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:33,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:33,694 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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2022-10-17 16:48:33,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:33,707 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:33,730 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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2022-10-17 16:48:33,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:33,748 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:33,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33 WrapperNode [2022-10-17 16:48:33,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:33,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:33,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:33,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:33,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,792 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2022-10-17 16:48:33,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:33,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:33,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:33,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:33,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:33,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:33,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:33,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:33,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:33" (1/1) ... [2022-10-17 16:48:33,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:33,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:33,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:33,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:48:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:48:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:48:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:48:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:48:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:48:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:48:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:48:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:48:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:48:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:48:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:48:33,920 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 16:48:34,099 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:34,101 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:34,338 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:34,415 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:34,416 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:48:34,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:34 BoogieIcfgContainer [2022-10-17 16:48:34,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:34,420 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:34,420 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:34,433 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:34,437 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:34" (1/1) ... [2022-10-17 16:48:34,438 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 16:48:34,448 INFO L158 Benchmark]: Toolchain (without parser) took 1035.44ms. Allocated memory is still 123.7MB. Free memory was 90.3MB in the beginning and 81.0MB in the end (delta: 9.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-10-17 16:48:34,451 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:34,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.02ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 99.2MB in the end (delta: -9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:48:34,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.17ms. Allocated memory is still 123.7MB. Free memory was 99.2MB in the beginning and 97.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:34,458 INFO L158 Benchmark]: Boogie Preprocessor took 31.55ms. Allocated memory is still 123.7MB. Free memory was 97.8MB in the beginning and 96.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:34,460 INFO L158 Benchmark]: RCFGBuilder took 593.17ms. Allocated memory is still 123.7MB. Free memory was 96.4MB in the beginning and 82.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:48:34,461 INFO L158 Benchmark]: CodeCheck took 26.13ms. Allocated memory is still 123.7MB. Free memory was 81.7MB in the beginning and 81.0MB in the end (delta: 707.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:34,474 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 0.34ms. Allocated memory is still 77.6MB. Free memory was 51.3MB in the beginning and 51.2MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.02ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 99.2MB in the end (delta: -9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.17ms. Allocated memory is still 123.7MB. Free memory was 99.2MB in the beginning and 97.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.55ms. Allocated memory is still 123.7MB. Free memory was 97.8MB in the beginning and 96.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.17ms. Allocated memory is still 123.7MB. Free memory was 96.4MB in the beginning and 82.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 26.13ms. Allocated memory is still 123.7MB. Free memory was 81.7MB in the beginning and 81.0MB in the end (delta: 707.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:48:34,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/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 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 --- 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 16:48:37,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:37,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:37,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:37,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:37,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:37,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:37,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:37,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:37,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:37,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:37,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:37,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:37,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:37,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:37,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:37,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:37,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:37,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:37,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:37,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:37,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:37,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:37,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:37,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:37,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:37,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:37,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:37,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:37,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:37,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:37,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:37,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:37,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:37,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:37,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:37,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:37,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:37,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:37,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:37,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:37,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:48:37,304 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:37,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:37,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:37,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:37,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:37,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:37,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:37,307 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:37,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:37,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:37,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:37,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:37,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:37,308 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:48:37,309 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:48:37,309 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:48:37,309 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:37,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:37,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:37,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:37,310 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:37,310 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:37,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:37,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:37,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:37,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:37,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:37,311 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:48:37,312 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:48:37,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:37,312 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:48:37,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:48:37,313 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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3697d9128f1f55a146432bb6e854f5639b64b16acb09c5233c8611aa24537748 [2022-10-17 16:48:37,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:37,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:37,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:37,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:37,760 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:37,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2022-10-17 16:48:37,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/data/e9ba0ac16/118c2216602f486b96c5fd929bf075ed/FLAG2008965c0 [2022-10-17 16:48:38,359 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:38,359 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2022-10-17 16:48:38,367 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/data/e9ba0ac16/118c2216602f486b96c5fd929bf075ed/FLAG2008965c0 [2022-10-17 16:48:38,713 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/data/e9ba0ac16/118c2216602f486b96c5fd929bf075ed [2022-10-17 16:48:38,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:38,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:38,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:38,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:38,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:38,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a341564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38, skipping insertion in model container [2022-10-17 16:48:38,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:38,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:38,946 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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2022-10-17 16:48:38,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:38,966 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:39,028 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_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2022-10-17 16:48:39,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:39,044 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:39,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39 WrapperNode [2022-10-17 16:48:39,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:39,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:39,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:39,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:39,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,081 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2022-10-17 16:48:39,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:39,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:39,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:39,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:39,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,105 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:39,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:39,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:39,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:39,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:39,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:39,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:39,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:48:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:48:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:48:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:48:39,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:48:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:48:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:48:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:48:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:48:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:48:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:48:39,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:39,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:48:39,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:48:39,191 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 16:48:39,290 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:39,292 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:39,496 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:39,546 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:39,547 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:48:39,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:39 BoogieIcfgContainer [2022-10-17 16:48:39,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:39,550 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:39,550 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:39,571 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:39,571 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,572 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 16:48:39,579 INFO L158 Benchmark]: Toolchain (without parser) took 859.88ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 32.9MB in the end (delta: 16.5MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-10-17 16:48:39,582 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 53.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:39,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.62ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 51.3MB in the end (delta: -2.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:48:39,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.49ms. Allocated memory is still 69.2MB. Free memory was 51.3MB in the beginning and 49.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:39,586 INFO L158 Benchmark]: Boogie Preprocessor took 27.73ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 48.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:39,587 INFO L158 Benchmark]: RCFGBuilder took 439.10ms. Allocated memory is still 69.2MB. Free memory was 48.3MB in the beginning and 33.9MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:48:39,588 INFO L158 Benchmark]: CodeCheck took 26.38ms. Allocated memory is still 69.2MB. Free memory was 33.9MB in the beginning and 32.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:39,599 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 0.21ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 53.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.62ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 51.3MB in the end (delta: -2.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.49ms. Allocated memory is still 69.2MB. Free memory was 51.3MB in the beginning and 49.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.73ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 48.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.10ms. Allocated memory is still 69.2MB. Free memory was 48.3MB in the beginning and 33.9MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 26.38ms. Allocated memory is still 69.2MB. Free memory was 33.9MB in the beginning and 32.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:48:39,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a014cbfc-b0a8-4983-adf4-6c97a31b30a2/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported