./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R --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 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e --- 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-38b53e6 [2022-11-25 17:34:57,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:34:57,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:34:58,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:34:58,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:34:58,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:34:58,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:34:58,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:34:58,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:34:58,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:34:58,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:34:58,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:34:58,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:34:58,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:34:58,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:34:58,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:34:58,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:34:58,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:34:58,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:34:58,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:34:58,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:34:58,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:34:58,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:34:58,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:34:58,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:34:58,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:34:58,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:34:58,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:34:58,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:34:58,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:34:58,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:34:58,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:34:58,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:34:58,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:34:58,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:34:58,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:34:58,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:34:58,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:34:58,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:34:58,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:34:58,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:34:58,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 17:34:58,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:34:58,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:34:58,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:34:58,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:34:58,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:34:58,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:34:58,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:34:58,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:34:58,153 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:34:58,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:34:58,154 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:34:58,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:34:58,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:34:58,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:34:58,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:34:58,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:34:58,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:34:58,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:34:58,155 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 17:34:58,155 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:34:58,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:34:58,156 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:34:58,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:34:58,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:34:58,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:34:58,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:34:58,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:34:58,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:34:58,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:34:58,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:34:58,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:34:58,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:34:58,158 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:34:58,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:34:58,158 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:34:58,158 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:34:58,159 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e [2022-11-25 17:34:58,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:34:58,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:34:58,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:34:58,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:34:58,481 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:34:58,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2022-11-25 17:35:01,520 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:35:01,755 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:35:01,756 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2022-11-25 17:35:01,763 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/data/720581a3b/027f0b153a8b4eb1a9de9795bfa4d6eb/FLAGfae3ee815 [2022-11-25 17:35:01,778 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/data/720581a3b/027f0b153a8b4eb1a9de9795bfa4d6eb [2022-11-25 17:35:01,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:35:01,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:35:01,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:35:01,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:35:01,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:35:01,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:35:01" (1/1) ... [2022-11-25 17:35:01,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b59d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:01, skipping insertion in model container [2022-11-25 17:35:01,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:35:01" (1/1) ... [2022-11-25 17:35:01,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:35:01,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:35:01,975 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:35:01,976 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:35:01,980 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:35:01,981 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:35:01,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:35:01,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:35:01,985 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:35:01,986 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:35:01,997 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_b4da57c4-732d-4237-810c-3f216b0593a3/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c[2507,2520] [2022-11-25 17:35:01,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:35:02,006 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:35:02,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:35:02,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:35:02,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:35:02,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:35:02,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:35:02,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:35:02,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-25 17:35:02,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-25 17:35:02,038 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_b4da57c4-732d-4237-810c-3f216b0593a3/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c[2507,2520] [2022-11-25 17:35:02,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:35:02,054 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:35:02,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02 WrapperNode [2022-11-25 17:35:02,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:35:02,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:35:02,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:35:02,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:35:02,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (1/1) ... [2022-11-25 17:35:02,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (1/1) ... [2022-11-25 17:35:02,103 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 172 [2022-11-25 17:35:02,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:35:02,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:35:02,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:35:02,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:35:02,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (1/1) ... [2022-11-25 17:35:02,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (1/1) ... [2022-11-25 17:35:02,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (1/1) ... [2022-11-25 17:35:02,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (1/1) ... [2022-11-25 17:35:02,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (1/1) ... [2022-11-25 17:35:02,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (1/1) ... [2022-11-25 17:35:02,133 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (1/1) ... [2022-11-25 17:35:02,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (1/1) ... [2022-11-25 17:35:02,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:35:02,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:35:02,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:35:02,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:35:02,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (1/1) ... [2022-11-25 17:35:02,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:35:02,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:35:02,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:35:02,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:35:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:35:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 17:35:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 17:35:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 17:35:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 17:35:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-25 17:35:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-25 17:35:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-25 17:35:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-25 17:35:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:35:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:35:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:35:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-25 17:35:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-25 17:35:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:35:02,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:35:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:35:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:35:02,250 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:35:02,407 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:35:02,410 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:35:02,879 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:35:03,008 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:35:03,021 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 17:35:03,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:35:03 BoogieIcfgContainer [2022-11-25 17:35:03,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:35:03,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:35:03,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:35:03,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:35:03,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:35:01" (1/3) ... [2022-11-25 17:35:03,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70118289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:35:03, skipping insertion in model container [2022-11-25 17:35:03,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:02" (2/3) ... [2022-11-25 17:35:03,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70118289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:35:03, skipping insertion in model container [2022-11-25 17:35:03,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:35:03" (3/3) ... [2022-11-25 17:35:03,042 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2022-11-25 17:35:03,056 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:35:03,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:35:03,067 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-25 17:35:03,068 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:35:03,173 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-25 17:35:03,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 189 transitions, 410 flow [2022-11-25 17:35:03,364 INFO L130 PetriNetUnfolder]: 9/185 cut-off events. [2022-11-25 17:35:03,364 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-25 17:35:03,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 185 events. 9/185 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 198 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2022-11-25 17:35:03,376 INFO L82 GeneralOperation]: Start removeDead. Operand has 193 places, 189 transitions, 410 flow [2022-11-25 17:35:03,387 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 168 places, 163 transitions, 350 flow [2022-11-25 17:35:03,391 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:35:03,417 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 163 transitions, 350 flow [2022-11-25 17:35:03,419 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 163 transitions, 350 flow [2022-11-25 17:35:03,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 168 places, 163 transitions, 350 flow [2022-11-25 17:35:03,499 INFO L130 PetriNetUnfolder]: 8/163 cut-off events. [2022-11-25 17:35:03,499 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-25 17:35:03,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 163 events. 8/163 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 196 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 109. Up to 2 conditions per place. [2022-11-25 17:35:03,511 INFO L119 LiptonReduction]: Number of co-enabled transitions 6794 [2022-11-25 17:35:09,302 INFO L134 LiptonReduction]: Checked pairs total: 12656 [2022-11-25 17:35:09,302 INFO L136 LiptonReduction]: Total number of compositions: 165 [2022-11-25 17:35:09,337 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:35:09,346 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;@34316d7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:35:09,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2022-11-25 17:35:09,348 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-25 17:35:09,348 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:35:09,349 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 17:35:09,350 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 17:35:09,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2022-11-25 17:35:09,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:35:09,357 INFO L85 PathProgramCache]: Analyzing trace with hash 805, now seen corresponding path program 1 times [2022-11-25 17:35:09,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:35:09,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159313117] [2022-11-25 17:35:09,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:35:09,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:35:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:09,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:35:09,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:35:09,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159313117] [2022-11-25 17:35:09,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159313117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:35:09,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:35:09,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 17:35:09,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759801943] [2022-11-25 17:35:09,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:35:09,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:35:09,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:35:09,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:35:09,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:35:09,545 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 354 [2022-11-25 17:35:09,548 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 58 transitions, 140 flow. Second operand has 2 states, 2 states have (on average 161.5) internal successors, (323), 2 states have internal predecessors, (323), 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) [2022-11-25 17:35:09,548 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 17:35:09,548 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 354 [2022-11-25 17:35:09,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 17:35:09,789 INFO L130 PetriNetUnfolder]: 1112/1512 cut-off events. [2022-11-25 17:35:09,789 INFO L131 PetriNetUnfolder]: For 71/71 co-relation queries the response was YES. [2022-11-25 17:35:09,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3030 conditions, 1512 events. 1112/1512 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6084 event pairs, 516 based on Foata normal form. 570/1437 useless extension candidates. Maximal degree in co-relation 2276. Up to 1393 conditions per place. [2022-11-25 17:35:09,795 INFO L137 encePairwiseOnDemand]: 328/354 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2022-11-25 17:35:09,795 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 136 flow [2022-11-25 17:35:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:35:09,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 17:35:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 372 transitions. [2022-11-25 17:35:09,809 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5254237288135594 [2022-11-25 17:35:09,810 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 372 transitions. [2022-11-25 17:35:09,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 372 transitions. [2022-11-25 17:35:09,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:35:09,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 372 transitions. [2022-11-25 17:35:09,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 186.0) internal successors, (372), 2 states have internal predecessors, (372), 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) [2022-11-25 17:35:09,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 354.0) internal successors, (1062), 3 states have internal predecessors, (1062), 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) [2022-11-25 17:35:09,825 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 354.0) internal successors, (1062), 3 states have internal predecessors, (1062), 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) [2022-11-25 17:35:09,827 INFO L175 Difference]: Start difference. First operand has 63 places, 58 transitions, 140 flow. Second operand 2 states and 372 transitions. [2022-11-25 17:35:09,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 136 flow [2022-11-25 17:35:09,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 32 transitions, 120 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-25 17:35:09,833 INFO L231 Difference]: Finished difference. Result has 34 places, 0 transitions, 0 flow [2022-11-25 17:35:09,835 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=354, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=34, PETRI_TRANSITIONS=0} [2022-11-25 17:35:09,839 INFO L288 CegarLoopForPetriNet]: 63 programPoint places, -29 predicate places. [2022-11-25 17:35:09,839 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 0 transitions, 0 flow [2022-11-25 17:35:09,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 161.5) internal successors, (323), 2 states have internal predecessors, (323), 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) [2022-11-25 17:35:09,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2022-11-25 17:35:09,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2022-11-25 17:35:09,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2022-11-25 17:35:09,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2022-11-25 17:35:09,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2022-11-25 17:35:09,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2022-11-25 17:35:09,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2022-11-25 17:35:09,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2022-11-25 17:35:09,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2022-11-25 17:35:09,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2022-11-25 17:35:09,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2022-11-25 17:35:09,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2022-11-25 17:35:09,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2022-11-25 17:35:09,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2022-11-25 17:35:09,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2022-11-25 17:35:09,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2022-11-25 17:35:09,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2022-11-25 17:35:09,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2022-11-25 17:35:09,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 40 remaining) [2022-11-25 17:35:09,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 40 remaining) [2022-11-25 17:35:09,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 40 remaining) [2022-11-25 17:35:09,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 40 remaining) [2022-11-25 17:35:09,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2022-11-25 17:35:09,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2022-11-25 17:35:09,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2022-11-25 17:35:09,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2022-11-25 17:35:09,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2022-11-25 17:35:09,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2022-11-25 17:35:09,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2022-11-25 17:35:09,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2022-11-25 17:35:09,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2022-11-25 17:35:09,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2022-11-25 17:35:09,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2022-11-25 17:35:09,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2022-11-25 17:35:09,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2022-11-25 17:35:09,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2022-11-25 17:35:09,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2022-11-25 17:35:09,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2022-11-25 17:35:09,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2022-11-25 17:35:09,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2022-11-25 17:35:09,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:35:09,854 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 17:35:09,860 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 17:35:09,861 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:35:09,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:35:09 BasicIcfg [2022-11-25 17:35:09,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:35:09,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:35:09,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:35:09,866 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:35:09,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:35:03" (3/4) ... [2022-11-25 17:35:09,869 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:35:09,874 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 17:35:09,875 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-25 17:35:09,875 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-25 17:35:09,875 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-25 17:35:09,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-25 17:35:09,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 17:35:09,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 17:35:09,881 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:35:09,920 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:35:09,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:35:09,921 INFO L158 Benchmark]: Toolchain (without parser) took 8138.25ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 139.2MB in the beginning and 99.5MB in the end (delta: 39.7MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2022-11-25 17:35:09,921 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:35:09,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.15ms. Allocated memory is still 167.8MB. Free memory was 139.2MB in the beginning and 126.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:35:09,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.01ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 124.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:35:09,922 INFO L158 Benchmark]: Boogie Preprocessor took 34.08ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 122.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:35:09,922 INFO L158 Benchmark]: RCFGBuilder took 884.99ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 94.0MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-25 17:35:09,923 INFO L158 Benchmark]: TraceAbstraction took 6832.43ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 93.1MB in the beginning and 103.7MB in the end (delta: -10.6MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2022-11-25 17:35:09,923 INFO L158 Benchmark]: Witness Printer took 54.50ms. Allocated memory is still 216.0MB. Free memory was 103.7MB in the beginning and 99.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:35:09,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.15ms. Allocated memory is still 167.8MB. Free memory was 139.2MB in the beginning and 126.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.01ms. Allocated memory is still 167.8MB. Free memory was 126.7MB in the beginning and 124.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.08ms. Allocated memory is still 167.8MB. Free memory was 124.6MB in the beginning and 122.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 884.99ms. Allocated memory is still 167.8MB. Free memory was 122.4MB in the beginning and 94.0MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6832.43ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 93.1MB in the beginning and 103.7MB in the end (delta: -10.6MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * Witness Printer took 54.50ms. Allocated memory is still 216.0MB. Free memory was 103.7MB in the beginning and 99.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9s, 168 PlacesBefore, 63 PlacesAfterwards, 163 TransitionsBefore, 58 TransitionsAfterwards, 6794 CoEnabledTransitionPairs, 7 FixpointIterations, 48 TrivialSequentialCompositions, 103 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 0 ChoiceCompositions, 165 TotalNumberOfCompositions, 12656 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9207, independent: 9082, independent conditional: 0, independent unconditional: 9082, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4873, independent: 4851, independent conditional: 0, independent unconditional: 4851, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4873, independent: 4802, independent conditional: 0, independent unconditional: 4802, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 71, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9207, independent: 4231, independent conditional: 0, independent unconditional: 4231, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 4873, unknown conditional: 0, unknown unconditional: 4873] , Statistics on independence cache: Total cache size (in pairs): 595, Positive cache size: 586, Positive conditional cache size: 0, Positive unconditional cache size: 586, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 243 locations, 40 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 17:35:09,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4da57c4-732d-4237-810c-3f216b0593a3/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE