./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f02fd31f03f03300713de36d3982e392122375115e7a5509580eaaa38dd9026f --- 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-b5237d8 [2022-11-21 16:40:21,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:40:21,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:40:21,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:40:21,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:40:21,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:40:21,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:40:21,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:40:21,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:40:21,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:40:21,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:40:21,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:40:21,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:40:21,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:40:21,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:40:21,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:40:22,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:40:22,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:40:22,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:40:22,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:40:22,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:40:22,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:40:22,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:40:22,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:40:22,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:40:22,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:40:22,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:40:22,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:40:22,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:40:22,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:40:22,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:40:22,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:40:22,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:40:22,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:40:22,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:40:22,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:40:22,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:40:22,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:40:22,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:40:22,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:40:22,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:40:22,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:40:22,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:40:22,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:40:22,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:40:22,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:40:22,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:40:22,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:40:22,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:40:22,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:40:22,104 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:40:22,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:40:22,106 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:40:22,106 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:40:22,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:40:22,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:40:22,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:40:22,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:40:22,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:40:22,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:40:22,108 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:40:22,108 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:40:22,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:40:22,109 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:40:22,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:40:22,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:40:22,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:40:22,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:40:22,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:40:22,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:40:22,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:40:22,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:40:22,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:40:22,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:40:22,112 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:40:22,112 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:40:22,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:40:22,112 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_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f02fd31f03f03300713de36d3982e392122375115e7a5509580eaaa38dd9026f [2022-11-21 16:40:22,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:40:22,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:40:22,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:40:22,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:40:22,448 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:40:22,450 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2022-11-21 16:40:25,679 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:40:25,929 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:40:25,930 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2022-11-21 16:40:25,938 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/data/f98858f2f/546ccaf03f884d219af5fcabb66a9fe7/FLAG998ef069c [2022-11-21 16:40:25,954 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/data/f98858f2f/546ccaf03f884d219af5fcabb66a9fe7 [2022-11-21 16:40:25,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:40:25,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:40:25,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:40:25,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:40:25,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:40:25,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:25" (1/1) ... [2022-11-21 16:40:25,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7a4b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:25, skipping insertion in model container [2022-11-21 16:40:25,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:40:25" (1/1) ... [2022-11-21 16:40:25,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:40:26,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:40:26,275 WARN L237 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_dec84273-d825-4ede-a1d9-4fad8765f4d0/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-11-21 16:40:26,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:40:26,295 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:40:26,349 WARN L237 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_dec84273-d825-4ede-a1d9-4fad8765f4d0/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-11-21 16:40:26,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:40:26,368 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:40:26,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26 WrapperNode [2022-11-21 16:40:26,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:40:26,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:40:26,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:40:26,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:40:26,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (1/1) ... [2022-11-21 16:40:26,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (1/1) ... [2022-11-21 16:40:26,465 INFO L138 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 740 [2022-11-21 16:40:26,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:40:26,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:40:26,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:40:26,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:40:26,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (1/1) ... [2022-11-21 16:40:26,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (1/1) ... [2022-11-21 16:40:26,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (1/1) ... [2022-11-21 16:40:26,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (1/1) ... [2022-11-21 16:40:26,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (1/1) ... [2022-11-21 16:40:26,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (1/1) ... [2022-11-21 16:40:26,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (1/1) ... [2022-11-21 16:40:26,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (1/1) ... [2022-11-21 16:40:26,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:40:26,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:40:26,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:40:26,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:40:26,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (1/1) ... [2022-11-21 16:40:26,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:40:26,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:40:26,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:40:26,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dec84273-d825-4ede-a1d9-4fad8765f4d0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:40:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:40:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:40:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:40:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:40:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 16:40:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 16:40:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 16:40:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 16:40:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 16:40:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 16:40:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 16:40:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 16:40:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:40:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-21 16:40:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-21 16:40:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-11-21 16:40:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-11-21 16:40:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-11-21 16:40:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-11-21 16:40:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2022-11-21 16:40:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2022-11-21 16:40:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:40:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:40:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:40:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:40:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:40:26,686 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:40:26,926 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:40:26,928 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:40:28,073 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:40:28,450 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:40:28,450 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:40:28,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:28 BoogieIcfgContainer [2022-11-21 16:40:28,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:40:28,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:40:28,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:40:28,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:40:28,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:40:25" (1/3) ... [2022-11-21 16:40:28,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634c8c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:40:28, skipping insertion in model container [2022-11-21 16:40:28,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:40:26" (2/3) ... [2022-11-21 16:40:28,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634c8c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:40:28, skipping insertion in model container [2022-11-21 16:40:28,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:40:28" (3/3) ... [2022-11-21 16:40:28,468 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2022-11-21 16:40:28,483 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:40:28,493 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:40:28,494 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 114 error locations. [2022-11-21 16:40:28,494 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:40:28,625 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-11-21 16:40:28,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 484 places, 464 transitions, 992 flow [2022-11-21 16:40:28,924 INFO L130 PetriNetUnfolder]: 5/456 cut-off events. [2022-11-21 16:40:28,924 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-21 16:40:28,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 456 events. 5/456 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 521 event pairs, 0 based on Foata normal form. 0/337 useless extension candidates. Maximal degree in co-relation 346. Up to 2 conditions per place. [2022-11-21 16:40:28,932 INFO L82 GeneralOperation]: Start removeDead. Operand has 484 places, 464 transitions, 992 flow [2022-11-21 16:40:28,948 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 447 places, 426 transitions, 900 flow [2022-11-21 16:40:28,969 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:40:28,977 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@231f6a3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:40:28,978 INFO L358 AbstractCegarLoop]: Starting to check reachability of 209 error locations. [2022-11-21 16:40:29,003 INFO L130 PetriNetUnfolder]: 0/36 cut-off events. [2022-11-21 16:40:29,004 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:40:29,004 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:40:29,005 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:40:29,005 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 205 more)] === [2022-11-21 16:40:29,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:29,011 INFO L85 PathProgramCache]: Analyzing trace with hash -495202032, now seen corresponding path program 1 times [2022-11-21 16:40:29,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:40:29,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396186520] [2022-11-21 16:40:29,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:29,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:40:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:40:29,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:40:29,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396186520] [2022-11-21 16:40:29,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396186520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:40:29,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:40:29,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:40:29,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771407762] [2022-11-21 16:40:29,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:40:29,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:40:29,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:40:29,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:40:29,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:40:29,427 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 464 [2022-11-21 16:40:29,435 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 426 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:40:29,435 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:40:29,436 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 464 [2022-11-21 16:40:29,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand