./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8 --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 251696ec6cec82b3ac56ff493f8f4412eaff7e5010650cc9da1e4c426de80d8c --- 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-2329fc7 [2022-12-13 19:27:56,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:27:56,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:27:56,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:27:56,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:27:56,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:27:56,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:27:56,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:27:56,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:27:56,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:27:56,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:27:56,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:27:56,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:27:56,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:27:56,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:27:56,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:27:56,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:27:56,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:27:56,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:27:56,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:27:56,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:27:56,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:27:56,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:27:56,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:27:56,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:27:56,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:27:56,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:27:56,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:27:56,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:27:56,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:27:56,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:27:56,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:27:56,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:27:56,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:27:56,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:27:56,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:27:56,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:27:56,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:27:56,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:27:56,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:27:56,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:27:56,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 19:27:56,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:27:56,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:27:56,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:27:56,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:27:56,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:27:56,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:27:56,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:27:56,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:27:56,147 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:27:56,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:27:56,147 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:27:56,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:27:56,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:27:56,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:27:56,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:27:56,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:27:56,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:27:56,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:27:56,148 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 19:27:56,149 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:27:56,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:27:56,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:27:56,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:27:56,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:27:56,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:27:56,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:27:56,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:27:56,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:27:56,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:27:56,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:27:56,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:27:56,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:27:56,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:27:56,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:27:56,151 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:27:56,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:27:56,151 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:27:56,151 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_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 251696ec6cec82b3ac56ff493f8f4412eaff7e5010650cc9da1e4c426de80d8c [2022-12-13 19:27:56,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:27:56,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:27:56,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:27:56,362 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:27:56,362 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:27:56,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c [2022-12-13 19:27:58,937 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:27:59,081 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:27:59,081 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c [2022-12-13 19:27:59,086 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/data/04166b7e1/a9c6d92d10e746f88c238dde3fdbd6ef/FLAGefef1d0f1 [2022-12-13 19:27:59,098 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/data/04166b7e1/a9c6d92d10e746f88c238dde3fdbd6ef [2022-12-13 19:27:59,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:27:59,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:27:59,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:27:59,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:27:59,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:27:59,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466cb62f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59, skipping insertion in model container [2022-12-13 19:27:59,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:27:59,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:27:59,242 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:27:59,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:27:59,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:27:59,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:27:59,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:27:59,260 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:27:59,269 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_40735091-c741-4eb0-8d34-cef563590292/sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c[2586,2599] [2022-12-13 19:27:59,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:27:59,283 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:27:59,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:27:59,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:27:59,299 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:27:59,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:27:59,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 19:27:59,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 19:27:59,313 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_40735091-c741-4eb0-8d34-cef563590292/sv-benchmarks/c/weaver/popl20-more-max-array-hom.wvr.c[2586,2599] [2022-12-13 19:27:59,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:27:59,328 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:27:59,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59 WrapperNode [2022-12-13 19:27:59,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:27:59,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:27:59,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:27:59,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:27:59,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,368 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 162 [2022-12-13 19:27:59,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:27:59,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:27:59,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:27:59,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:27:59,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,404 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:27:59,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:27:59,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:27:59,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:27:59,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (1/1) ... [2022-12-13 19:27:59,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:27:59,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:27:59,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:27:59,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:27:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:27:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 19:27:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 19:27:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 19:27:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 19:27:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 19:27:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 19:27:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:27:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:27:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:27:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 19:27:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 19:27:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 19:27:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:27:59,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:27:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 19:27:59,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:27:59,485 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 19:27:59,570 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:27:59,571 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:27:59,978 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:28:00,089 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:28:00,089 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 19:28:00,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:28:00 BoogieIcfgContainer [2022-12-13 19:28:00,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:28:00,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:28:00,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:28:00,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:28:00,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:27:59" (1/3) ... [2022-12-13 19:28:00,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318dae22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:28:00, skipping insertion in model container [2022-12-13 19:28:00,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:59" (2/3) ... [2022-12-13 19:28:00,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318dae22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:28:00, skipping insertion in model container [2022-12-13 19:28:00,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:28:00" (3/3) ... [2022-12-13 19:28:00,097 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-max-array-hom.wvr.c [2022-12-13 19:28:00,104 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 19:28:00,111 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:28:00,111 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-12-13 19:28:00,111 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 19:28:00,160 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 19:28:00,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 261 transitions, 546 flow [2022-12-13 19:28:00,245 INFO L130 PetriNetUnfolder]: 14/258 cut-off events. [2022-12-13 19:28:00,245 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 19:28:00,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 258 events. 14/258 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 282 event pairs, 0 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 171. Up to 2 conditions per place. [2022-12-13 19:28:00,250 INFO L82 GeneralOperation]: Start removeDead. Operand has 257 places, 261 transitions, 546 flow [2022-12-13 19:28:00,254 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 232 places, 234 transitions, 486 flow [2022-12-13 19:28:00,257 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 19:28:00,265 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 232 places, 234 transitions, 486 flow [2022-12-13 19:28:00,267 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 232 places, 234 transitions, 486 flow [2022-12-13 19:28:00,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 232 places, 234 transitions, 486 flow [2022-12-13 19:28:00,299 INFO L130 PetriNetUnfolder]: 12/234 cut-off events. [2022-12-13 19:28:00,299 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 19:28:00,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 234 events. 12/234 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 274 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 171. Up to 2 conditions per place. [2022-12-13 19:28:00,302 INFO L119 LiptonReduction]: Number of co-enabled transitions 5292 [2022-12-13 19:28:09,550 INFO L134 LiptonReduction]: Checked pairs total: 38469 [2022-12-13 19:28:09,550 INFO L136 LiptonReduction]: Total number of compositions: 231 [2022-12-13 19:28:09,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:28:09,569 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;@277093ad, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:28:09,569 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2022-12-13 19:28:09,571 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 19:28:09,571 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:28:09,571 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:28:09,571 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 19:28:09,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 19:28:09,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:28:09,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1112, now seen corresponding path program 1 times [2022-12-13 19:28:09,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:28:09,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839691511] [2022-12-13 19:28:09,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:28:09,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:28:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:28:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:28:09,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:28:09,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839691511] [2022-12-13 19:28:09,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839691511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:28:09,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:28:09,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 19:28:09,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385983267] [2022-12-13 19:28:09,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:28:09,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:28:09,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:28:09,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:28:09,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:28:09,682 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 492 [2022-12-13 19:28:09,685 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 83 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 225.5) internal successors, (451), 2 states have internal predecessors, (451), 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) [2022-12-13 19:28:09,685 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:28:09,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 492 [2022-12-13 19:28:09,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:28:09,839 INFO L130 PetriNetUnfolder]: 342/792 cut-off events. [2022-12-13 19:28:09,839 INFO L131 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2022-12-13 19:28:09,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1318 conditions, 792 events. 342/792 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4607 event pairs, 185 based on Foata normal form. 157/792 useless extension candidates. Maximal degree in co-relation 1024. Up to 474 conditions per place. [2022-12-13 19:28:09,847 INFO L137 encePairwiseOnDemand]: 458/492 looper letters, 21 selfloop transitions, 0 changer transitions 1/49 dead transitions. [2022-12-13 19:28:09,848 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 49 transitions, 160 flow [2022-12-13 19:28:09,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:28:09,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 19:28:09,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 506 transitions. [2022-12-13 19:28:09,860 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5142276422764228 [2022-12-13 19:28:09,860 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 506 transitions. [2022-12-13 19:28:09,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 506 transitions. [2022-12-13 19:28:09,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:28:09,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 506 transitions. [2022-12-13 19:28:09,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 253.0) internal successors, (506), 2 states have internal predecessors, (506), 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) [2022-12-13 19:28:09,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 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) [2022-12-13 19:28:09,874 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 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) [2022-12-13 19:28:09,875 INFO L175 Difference]: Start difference. First operand has 86 places, 83 transitions, 184 flow. Second operand 2 states and 506 transitions. [2022-12-13 19:28:09,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 49 transitions, 160 flow [2022-12-13 19:28:09,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 49 transitions, 148 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 19:28:09,881 INFO L231 Difference]: Finished difference. Result has 50 places, 48 transitions, 101 flow [2022-12-13 19:28:09,882 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=492, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=101, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2022-12-13 19:28:09,884 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -36 predicate places. [2022-12-13 19:28:09,885 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions, 101 flow [2022-12-13 19:28:09,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 225.5) internal successors, (451), 2 states have internal predecessors, (451), 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) [2022-12-13 19:28:09,885 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:28:09,885 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 19:28:09,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:28:09,886 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 19:28:09,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:28:09,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1205858750, now seen corresponding path program 1 times [2022-12-13 19:28:09,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:28:09,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938110962] [2022-12-13 19:28:09,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:28:09,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:28:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:28:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:28:09,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:28:09,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938110962] [2022-12-13 19:28:09,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938110962] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:28:09,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:28:09,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:28:09,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262060086] [2022-12-13 19:28:09,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:28:09,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:28:09,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:28:09,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:28:09,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:28:10,015 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 492 [2022-12-13 19:28:10,016 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2022-12-13 19:28:10,016 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:28:10,016 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 492 [2022-12-13 19:28:10,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:28:10,158 INFO L130 PetriNetUnfolder]: 744/1415 cut-off events. [2022-12-13 19:28:10,158 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-12-13 19:28:10,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2487 conditions, 1415 events. 744/1415 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 7991 event pairs, 505 based on Foata normal form. 0/1086 useless extension candidates. Maximal degree in co-relation 2484. Up to 1043 conditions per place. [2022-12-13 19:28:10,164 INFO L137 encePairwiseOnDemand]: 489/492 looper letters, 24 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2022-12-13 19:28:10,164 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 147 flow [2022-12-13 19:28:10,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:28:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:28:10,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 663 transitions. [2022-12-13 19:28:10,166 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4491869918699187 [2022-12-13 19:28:10,166 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 663 transitions. [2022-12-13 19:28:10,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 663 transitions. [2022-12-13 19:28:10,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:28:10,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 663 transitions. [2022-12-13 19:28:10,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 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) [2022-12-13 19:28:10,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 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) [2022-12-13 19:28:10,171 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 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) [2022-12-13 19:28:10,171 INFO L175 Difference]: Start difference. First operand has 50 places, 48 transitions, 101 flow. Second operand 3 states and 663 transitions. [2022-12-13 19:28:10,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 147 flow [2022-12-13 19:28:10,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 147 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:28:10,172 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 99 flow [2022-12-13 19:28:10,172 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=492, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2022-12-13 19:28:10,172 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -37 predicate places. [2022-12-13 19:28:10,172 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 99 flow [2022-12-13 19:28:10,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2022-12-13 19:28:10,173 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:28:10,173 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:28:10,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:28:10,173 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 19:28:10,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:28:10,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1026161787, now seen corresponding path program 1 times [2022-12-13 19:28:10,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:28:10,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219680482] [2022-12-13 19:28:10,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:28:10,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:28:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:28:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:28:10,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:28:10,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219680482] [2022-12-13 19:28:10,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219680482] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:28:10,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:28:10,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:28:10,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76826578] [2022-12-13 19:28:10,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:28:10,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:28:10,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:28:10,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:28:10,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:28:10,241 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 492 [2022-12-13 19:28:10,242 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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) [2022-12-13 19:28:10,242 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:28:10,242 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 492 [2022-12-13 19:28:10,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:28:10,373 INFO L130 PetriNetUnfolder]: 499/959 cut-off events. [2022-12-13 19:28:10,373 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-13 19:28:10,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1684 conditions, 959 events. 499/959 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5004 event pairs, 317 based on Foata normal form. 0/860 useless extension candidates. Maximal degree in co-relation 1680. Up to 699 conditions per place. [2022-12-13 19:28:10,377 INFO L137 encePairwiseOnDemand]: 489/492 looper letters, 22 selfloop transitions, 1 changer transitions 0/44 dead transitions. [2022-12-13 19:28:10,377 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 141 flow [2022-12-13 19:28:10,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:28:10,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:28:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 661 transitions. [2022-12-13 19:28:10,379 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4478319783197832 [2022-12-13 19:28:10,379 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 661 transitions. [2022-12-13 19:28:10,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 661 transitions. [2022-12-13 19:28:10,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:28:10,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 661 transitions. [2022-12-13 19:28:10,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 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) [2022-12-13 19:28:10,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 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) [2022-12-13 19:28:10,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 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) [2022-12-13 19:28:10,382 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 99 flow. Second operand 3 states and 661 transitions. [2022-12-13 19:28:10,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 141 flow [2022-12-13 19:28:10,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:28:10,383 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 96 flow [2022-12-13 19:28:10,383 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=492, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2022-12-13 19:28:10,384 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -38 predicate places. [2022-12-13 19:28:10,384 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 96 flow [2022-12-13 19:28:10,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 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) [2022-12-13 19:28:10,384 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:28:10,385 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:28:10,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:28:10,385 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 19:28:10,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:28:10,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1904320706, now seen corresponding path program 1 times [2022-12-13 19:28:10,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:28:10,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109622222] [2022-12-13 19:28:10,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:28:10,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:28:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:28:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:28:10,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:28:10,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109622222] [2022-12-13 19:28:10,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109622222] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:28:10,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:28:10,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:28:10,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965280818] [2022-12-13 19:28:10,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:28:10,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:28:10,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:28:10,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:28:10,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:28:10,542 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 492 [2022-12-13 19:28:10,543 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 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) [2022-12-13 19:28:10,543 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:28:10,543 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 492 [2022-12-13 19:28:10,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:28:10,658 INFO L130 PetriNetUnfolder]: 342/745 cut-off events. [2022-12-13 19:28:10,658 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-13 19:28:10,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1240 conditions, 745 events. 342/745 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4092 event pairs, 185 based on Foata normal form. 1/601 useless extension candidates. Maximal degree in co-relation 1236. Up to 473 conditions per place. [2022-12-13 19:28:10,661 INFO L137 encePairwiseOnDemand]: 489/492 looper letters, 20 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2022-12-13 19:28:10,661 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 45 transitions, 142 flow [2022-12-13 19:28:10,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:28:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:28:10,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 683 transitions. [2022-12-13 19:28:10,664 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4627371273712737 [2022-12-13 19:28:10,664 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 683 transitions. [2022-12-13 19:28:10,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 683 transitions. [2022-12-13 19:28:10,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:28:10,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 683 transitions. [2022-12-13 19:28:10,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 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) [2022-12-13 19:28:10,668 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 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) [2022-12-13 19:28:10,669 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 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) [2022-12-13 19:28:10,669 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 96 flow. Second operand 3 states and 683 transitions. [2022-12-13 19:28:10,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 45 transitions, 142 flow [2022-12-13 19:28:10,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 45 transitions, 141 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:28:10,670 INFO L231 Difference]: Finished difference. Result has 50 places, 45 transitions, 107 flow [2022-12-13 19:28:10,670 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=492, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2022-12-13 19:28:10,671 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -36 predicate places. [2022-12-13 19:28:10,671 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 107 flow [2022-12-13 19:28:10,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 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) [2022-12-13 19:28:10,671 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:28:10,671 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:28:10,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:28:10,671 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 19:28:10,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:28:10,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1130377271, now seen corresponding path program 1 times [2022-12-13 19:28:10,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:28:10,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539024687] [2022-12-13 19:28:10,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:28:10,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:28:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:28:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 19:28:10,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:28:10,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539024687] [2022-12-13 19:28:10,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539024687] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:28:10,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:28:10,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:28:10,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226954039] [2022-12-13 19:28:10,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:28:10,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:28:10,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:28:10,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:28:10,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:28:11,125 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 492 [2022-12-13 19:28:11,128 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 107 flow. Second operand has 6 states, 6 states have (on average 214.16666666666666) internal successors, (1285), 6 states have internal predecessors, (1285), 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) [2022-12-13 19:28:11,128 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:28:11,128 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 492 [2022-12-13 19:28:11,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:28:11,525 INFO L130 PetriNetUnfolder]: 858/1282 cut-off events. [2022-12-13 19:28:11,525 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 19:28:11,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2443 conditions, 1282 events. 858/1282 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 5996 event pairs, 72 based on Foata normal form. 0/1124 useless extension candidates. Maximal degree in co-relation 2438. Up to 420 conditions per place. [2022-12-13 19:28:11,529 INFO L137 encePairwiseOnDemand]: 487/492 looper letters, 54 selfloop transitions, 4 changer transitions 0/76 dead transitions. [2022-12-13 19:28:11,530 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 76 transitions, 285 flow [2022-12-13 19:28:11,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:28:11,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:28:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1330 transitions. [2022-12-13 19:28:11,532 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4505420054200542 [2022-12-13 19:28:11,532 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1330 transitions. [2022-12-13 19:28:11,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1330 transitions. [2022-12-13 19:28:11,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:28:11,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1330 transitions. [2022-12-13 19:28:11,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 221.66666666666666) internal successors, (1330), 6 states have internal predecessors, (1330), 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) [2022-12-13 19:28:11,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 492.0) internal successors, (3444), 7 states have internal predecessors, (3444), 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) [2022-12-13 19:28:11,539 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 492.0) internal successors, (3444), 7 states have internal predecessors, (3444), 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) [2022-12-13 19:28:11,539 INFO L175 Difference]: Start difference. First operand has 50 places, 45 transitions, 107 flow. Second operand 6 states and 1330 transitions. [2022-12-13 19:28:11,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 76 transitions, 285 flow [2022-12-13 19:28:11,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 76 transitions, 281 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 19:28:11,540 INFO L231 Difference]: Finished difference. Result has 53 places, 44 transitions, 109 flow [2022-12-13 19:28:11,540 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=492, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2022-12-13 19:28:11,541 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -33 predicate places. [2022-12-13 19:28:11,541 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 109 flow [2022-12-13 19:28:11,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 214.16666666666666) internal successors, (1285), 6 states have internal predecessors, (1285), 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) [2022-12-13 19:28:11,541 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:28:11,542 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] [2022-12-13 19:28:11,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 19:28:11,542 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 19:28:11,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:28:11,542 INFO L85 PathProgramCache]: Analyzing trace with hash 2058680022, now seen corresponding path program 1 times [2022-12-13 19:28:11,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:28:11,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634542565] [2022-12-13 19:28:11,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:28:11,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:28:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:28:11,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:28:11,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:28:11,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634542565] [2022-12-13 19:28:11,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634542565] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:28:11,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771092274] [2022-12-13 19:28:11,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:28:11,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:28:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:28:11,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:28:11,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:28:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:28:11,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:28:11,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:28:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:28:11,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:28:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:28:11,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771092274] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 19:28:11,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 19:28:11,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 4] total 9 [2022-12-13 19:28:11,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282494289] [2022-12-13 19:28:11,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:28:11,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:28:11,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:28:11,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:28:11,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-13 19:28:11,891 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 492 [2022-12-13 19:28:11,892 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 215.6) internal successors, (1078), 5 states have internal predecessors, (1078), 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) [2022-12-13 19:28:11,892 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:28:11,892 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 492 [2022-12-13 19:28:11,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:28:12,054 INFO L130 PetriNetUnfolder]: 397/806 cut-off events. [2022-12-13 19:28:12,054 INFO L131 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2022-12-13 19:28:12,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1511 conditions, 806 events. 397/806 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 4043 event pairs, 115 based on Foata normal form. 34/710 useless extension candidates. Maximal degree in co-relation 1506. Up to 443 conditions per place. [2022-12-13 19:28:12,061 INFO L137 encePairwiseOnDemand]: 487/492 looper letters, 31 selfloop transitions, 4 changer transitions 0/56 dead transitions. [2022-12-13 19:28:12,061 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 56 transitions, 207 flow [2022-12-13 19:28:12,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:28:12,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 19:28:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1101 transitions. [2022-12-13 19:28:12,067 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4475609756097561 [2022-12-13 19:28:12,067 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1101 transitions. [2022-12-13 19:28:12,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1101 transitions. [2022-12-13 19:28:12,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:28:12,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1101 transitions. [2022-12-13 19:28:12,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 220.2) internal successors, (1101), 5 states have internal predecessors, (1101), 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) [2022-12-13 19:28:12,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 492.0) internal successors, (2952), 6 states have internal predecessors, (2952), 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) [2022-12-13 19:28:12,079 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 492.0) internal successors, (2952), 6 states have internal predecessors, (2952), 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) [2022-12-13 19:28:12,079 INFO L175 Difference]: Start difference. First operand has 53 places, 44 transitions, 109 flow. Second operand 5 states and 1101 transitions. [2022-12-13 19:28:12,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 56 transitions, 207 flow [2022-12-13 19:28:12,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 56 transitions, 198 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 19:28:12,082 INFO L231 Difference]: Finished difference. Result has 54 places, 45 transitions, 118 flow [2022-12-13 19:28:12,083 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=492, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=118, PETRI_PLACES=54, PETRI_TRANSITIONS=45} [2022-12-13 19:28:12,083 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -32 predicate places. [2022-12-13 19:28:12,084 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 45 transitions, 118 flow [2022-12-13 19:28:12,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.6) internal successors, (1078), 5 states have internal predecessors, (1078), 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) [2022-12-13 19:28:12,084 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:28:12,085 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:28:12,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:28:12,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 19:28:12,285 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 19:28:12,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:28:12,286 INFO L85 PathProgramCache]: Analyzing trace with hash 366084821, now seen corresponding path program 1 times [2022-12-13 19:28:12,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:28:12,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036437516] [2022-12-13 19:28:12,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:28:12,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:28:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:28:12,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 19:28:12,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:28:12,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036437516] [2022-12-13 19:28:12,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036437516] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:28:12,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:28:12,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:28:12,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613528468] [2022-12-13 19:28:12,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:28:12,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:28:12,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:28:12,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:28:12,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:28:12,808 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 492 [2022-12-13 19:28:12,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 45 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 214.83333333333334) internal successors, (1289), 6 states have internal predecessors, (1289), 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) [2022-12-13 19:28:12,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:28:12,816 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 492 [2022-12-13 19:28:12,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:28:13,098 INFO L130 PetriNetUnfolder]: 419/784 cut-off events. [2022-12-13 19:28:13,098 INFO L131 PetriNetUnfolder]: For 112/173 co-relation queries the response was YES. [2022-12-13 19:28:13,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1572 conditions, 784 events. 419/784 cut-off events. For 112/173 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3894 event pairs, 165 based on Foata normal form. 61/713 useless extension candidates. Maximal degree in co-relation 1566. Up to 393 conditions per place. [2022-12-13 19:28:13,102 INFO L137 encePairwiseOnDemand]: 487/492 looper letters, 47 selfloop transitions, 4 changer transitions 0/68 dead transitions. [2022-12-13 19:28:13,102 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 68 transitions, 266 flow [2022-12-13 19:28:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:28:13,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:28:13,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1322 transitions. [2022-12-13 19:28:13,106 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4478319783197832 [2022-12-13 19:28:13,106 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1322 transitions. [2022-12-13 19:28:13,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1322 transitions. [2022-12-13 19:28:13,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:28:13,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1322 transitions. [2022-12-13 19:28:13,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 220.33333333333334) internal successors, (1322), 6 states have internal predecessors, (1322), 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) [2022-12-13 19:28:13,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 492.0) internal successors, (3444), 7 states have internal predecessors, (3444), 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) [2022-12-13 19:28:13,115 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 492.0) internal successors, (3444), 7 states have internal predecessors, (3444), 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) [2022-12-13 19:28:13,115 INFO L175 Difference]: Start difference. First operand has 54 places, 45 transitions, 118 flow. Second operand 6 states and 1322 transitions. [2022-12-13 19:28:13,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 68 transitions, 266 flow [2022-12-13 19:28:13,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 68 transitions, 260 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 19:28:13,117 INFO L231 Difference]: Finished difference. Result has 55 places, 44 transitions, 118 flow [2022-12-13 19:28:13,117 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=492, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=118, PETRI_PLACES=55, PETRI_TRANSITIONS=44} [2022-12-13 19:28:13,118 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -31 predicate places. [2022-12-13 19:28:13,118 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 44 transitions, 118 flow [2022-12-13 19:28:13,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 214.83333333333334) internal successors, (1289), 6 states have internal predecessors, (1289), 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) [2022-12-13 19:28:13,118 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:28:13,119 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 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] [2022-12-13 19:28:13,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 19:28:13,119 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-12-13 19:28:13,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:28:13,119 INFO L85 PathProgramCache]: Analyzing trace with hash 864089831, now seen corresponding path program 1 times [2022-12-13 19:28:13,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:28:13,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898783356] [2022-12-13 19:28:13,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:28:13,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:28:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:28:13,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 19:28:13,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:28:13,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898783356] [2022-12-13 19:28:13,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898783356] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:28:13,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:28:13,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:28:13,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887476840] [2022-12-13 19:28:13,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:28:13,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:28:13,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:28:13,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:28:13,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:28:13,533 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 492 [2022-12-13 19:28:13,534 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 44 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 215.33333333333334) internal successors, (1292), 6 states have internal predecessors, (1292), 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) [2022-12-13 19:28:13,534 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:28:13,534 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 492 [2022-12-13 19:28:13,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:28:13,771 INFO L130 PetriNetUnfolder]: 323/685 cut-off events. [2022-12-13 19:28:13,771 INFO L131 PetriNetUnfolder]: For 117/178 co-relation queries the response was YES. [2022-12-13 19:28:13,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1354 conditions, 685 events. 323/685 cut-off events. For 117/178 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3574 event pairs, 184 based on Foata normal form. 61/641 useless extension candidates. Maximal degree in co-relation 1348. Up to 438 conditions per place. [2022-12-13 19:28:13,773 INFO L137 encePairwiseOnDemand]: 487/492 looper letters, 0 selfloop transitions, 0 changer transitions 55/55 dead transitions. [2022-12-13 19:28:13,773 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 55 transitions, 218 flow [2022-12-13 19:28:13,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:28:13,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 19:28:13,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1310 transitions. [2022-12-13 19:28:13,775 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4437669376693767 [2022-12-13 19:28:13,776 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1310 transitions. [2022-12-13 19:28:13,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1310 transitions. [2022-12-13 19:28:13,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:28:13,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1310 transitions. [2022-12-13 19:28:13,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 218.33333333333334) internal successors, (1310), 6 states have internal predecessors, (1310), 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) [2022-12-13 19:28:13,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 492.0) internal successors, (3444), 7 states have internal predecessors, (3444), 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) [2022-12-13 19:28:13,780 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 492.0) internal successors, (3444), 7 states have internal predecessors, (3444), 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) [2022-12-13 19:28:13,780 INFO L175 Difference]: Start difference. First operand has 55 places, 44 transitions, 118 flow. Second operand 6 states and 1310 transitions. [2022-12-13 19:28:13,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 55 transitions, 218 flow [2022-12-13 19:28:13,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 55 transitions, 211 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 19:28:13,781 INFO L231 Difference]: Finished difference. Result has 55 places, 0 transitions, 0 flow [2022-12-13 19:28:13,782 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=492, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=55, PETRI_TRANSITIONS=0} [2022-12-13 19:28:13,782 INFO L288 CegarLoopForPetriNet]: 86 programPoint places, -31 predicate places. [2022-12-13 19:28:13,782 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 0 transitions, 0 flow [2022-12-13 19:28:13,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 215.33333333333334) internal successors, (1292), 6 states have internal predecessors, (1292), 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) [2022-12-13 19:28:13,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2022-12-13 19:28:13,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2022-12-13 19:28:13,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2022-12-13 19:28:13,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2022-12-13 19:28:13,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2022-12-13 19:28:13,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2022-12-13 19:28:13,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2022-12-13 19:28:13,785 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2022-12-13 19:28:13,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2022-12-13 19:28:13,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2022-12-13 19:28:13,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2022-12-13 19:28:13,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2022-12-13 19:28:13,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2022-12-13 19:28:13,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2022-12-13 19:28:13,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2022-12-13 19:28:13,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2022-12-13 19:28:13,786 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2022-12-13 19:28:13,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2022-12-13 19:28:13,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2022-12-13 19:28:13,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2022-12-13 19:28:13,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2022-12-13 19:28:13,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2022-12-13 19:28:13,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2022-12-13 19:28:13,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2022-12-13 19:28:13,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2022-12-13 19:28:13,787 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2022-12-13 19:28:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2022-12-13 19:28:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2022-12-13 19:28:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2022-12-13 19:28:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2022-12-13 19:28:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2022-12-13 19:28:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2022-12-13 19:28:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2022-12-13 19:28:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2022-12-13 19:28:13,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2022-12-13 19:28:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2022-12-13 19:28:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2022-12-13 19:28:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2022-12-13 19:28:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2022-12-13 19:28:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2022-12-13 19:28:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2022-12-13 19:28:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2022-12-13 19:28:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2022-12-13 19:28:13,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2022-12-13 19:28:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2022-12-13 19:28:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2022-12-13 19:28:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2022-12-13 19:28:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2022-12-13 19:28:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2022-12-13 19:28:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2022-12-13 19:28:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2022-12-13 19:28:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2022-12-13 19:28:13,790 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2022-12-13 19:28:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2022-12-13 19:28:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2022-12-13 19:28:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2022-12-13 19:28:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2022-12-13 19:28:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2022-12-13 19:28:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2022-12-13 19:28:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2022-12-13 19:28:13,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2022-12-13 19:28:13,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2022-12-13 19:28:13,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2022-12-13 19:28:13,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 19:28:13,792 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:28:13,796 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 19:28:13,796 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:28:13,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:28:13 BasicIcfg [2022-12-13 19:28:13,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:28:13,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:28:13,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:28:13,799 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:28:13,799 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:28:00" (3/4) ... [2022-12-13 19:28:13,801 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:28:13,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 19:28:13,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 19:28:13,805 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 19:28:13,808 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-13 19:28:13,809 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 19:28:13,809 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:28:13,809 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:28:13,838 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:28:13,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:28:13,839 INFO L158 Benchmark]: Toolchain (without parser) took 14736.73ms. Allocated memory is still 159.4MB. Free memory was 118.7MB in the beginning and 45.0MB in the end (delta: 73.7MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2022-12-13 19:28:13,839 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:28:13,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.70ms. Allocated memory is still 159.4MB. Free memory was 118.7MB in the beginning and 105.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 19:28:13,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.74ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:28:13,840 INFO L158 Benchmark]: Boogie Preprocessor took 38.39ms. Allocated memory is still 159.4MB. Free memory was 103.0MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:28:13,840 INFO L158 Benchmark]: RCFGBuilder took 683.26ms. Allocated memory is still 159.4MB. Free memory was 100.9MB in the beginning and 108.5MB in the end (delta: -7.6MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2022-12-13 19:28:13,840 INFO L158 Benchmark]: TraceAbstraction took 13705.69ms. Allocated memory is still 159.4MB. Free memory was 107.7MB in the beginning and 49.2MB in the end (delta: 58.5MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2022-12-13 19:28:13,840 INFO L158 Benchmark]: Witness Printer took 39.23ms. Allocated memory is still 159.4MB. Free memory was 49.2MB in the beginning and 45.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:28:13,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 109.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.70ms. Allocated memory is still 159.4MB. Free memory was 118.7MB in the beginning and 105.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.74ms. Allocated memory is still 159.4MB. Free memory was 105.6MB in the beginning and 103.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.39ms. Allocated memory is still 159.4MB. Free memory was 103.0MB in the beginning and 100.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 683.26ms. Allocated memory is still 159.4MB. Free memory was 100.9MB in the beginning and 108.5MB in the end (delta: -7.6MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13705.69ms. Allocated memory is still 159.4MB. Free memory was 107.7MB in the beginning and 49.2MB in the end (delta: 58.5MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. * Witness Printer took 39.23ms. Allocated memory is still 159.4MB. Free memory was 49.2MB in the beginning and 45.0MB 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: 9.3s, 232 PlacesBefore, 86 PlacesAfterwards, 234 TransitionsBefore, 83 TransitionsAfterwards, 5292 CoEnabledTransitionPairs, 9 FixpointIterations, 145 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 11 ConcurrentYvCompositions, 5 ChoiceCompositions, 231 TotalNumberOfCompositions, 38469 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12593, independent: 11707, independent conditional: 0, independent unconditional: 11707, dependent: 886, dependent conditional: 0, dependent unconditional: 886, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2734, independent: 2603, independent conditional: 0, independent unconditional: 2603, dependent: 131, dependent conditional: 0, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 12593, independent: 9104, independent conditional: 0, independent unconditional: 9104, dependent: 755, dependent conditional: 0, dependent unconditional: 755, unknown: 2734, unknown conditional: 0, unknown unconditional: 2734] , Statistics on independence cache: Total cache size (in pairs): 648, Positive cache size: 580, Positive conditional cache size: 0, Positive unconditional cache size: 580, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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: 72]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: 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: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: 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 7 procedures, 308 locations, 63 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: 13.6s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 602 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 354 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 220 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1084 IncrementalHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 220 mSolverCounterUnsat, 25 mSDtfsCounter, 1084 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 477 SizeOfPredicates, 4 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 8/10 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 19:28:13,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40735091-c741-4eb0-8d34-cef563590292/bin/uautomizer-uyxdKDjOR8/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