./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/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_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/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_6cfb08b7-1022-4091-bd66-59571da2ee26/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 a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b --- 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 12:32:17,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:32:17,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:32:17,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:32:17,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:32:17,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:32:17,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:32:17,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:32:17,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:32:17,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:32:17,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:32:17,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:32:17,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:32:17,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:32:17,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:32:17,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:32:17,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:32:17,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:32:17,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:32:17,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:32:17,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:32:17,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:32:17,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:32:17,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:32:17,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:32:17,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:32:17,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:32:17,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:32:17,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:32:17,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:32:17,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:32:17,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:32:17,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:32:17,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:32:17,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:32:17,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:32:17,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:32:17,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:32:17,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:32:17,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:32:17,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:32:17,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 12:32:17,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:32:17,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:32:17,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:32:17,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:32:17,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:32:17,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:32:17,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:32:17,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:32:17,331 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:32:17,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:32:17,331 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:32:17,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:32:17,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:32:17,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:32:17,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:32:17,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:32:17,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:32:17,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:32:17,333 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 12:32:17,333 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:32:17,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:32:17,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:32:17,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:32:17,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:32:17,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:32:17,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:32:17,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:32:17,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:32:17,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:32:17,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:32:17,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:32:17,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:32:17,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:32:17,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:32:17,336 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:32:17,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:32:17,336 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:32:17,337 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_6cfb08b7-1022-4091-bd66-59571da2ee26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4208e364fc80ce33bd799516b7b127a7314c394860a88240a88c2fb8dc1fa8b [2022-12-13 12:32:17,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:32:17,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:32:17,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:32:17,543 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:32:17,543 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:32:17,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2022-12-13 12:32:20,119 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:32:20,299 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:32:20,300 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c [2022-12-13 12:32:20,305 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/data/5be6f13b7/b1854e83959f4c679d5e6f209b8ff546/FLAG91a6167be [2022-12-13 12:32:20,694 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/data/5be6f13b7/b1854e83959f4c679d5e6f209b8ff546 [2022-12-13 12:32:20,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:32:20,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:32:20,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:32:20,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:32:20,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:32:20,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f3825c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20, skipping insertion in model container [2022-12-13 12:32:20,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:32:20,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:32:20,858 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_6cfb08b7-1022-4091-bd66-59571da2ee26/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2022-12-13 12:32:20,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:32:20,867 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:32:20,888 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_6cfb08b7-1022-4091-bd66-59571da2ee26/sv-benchmarks/c/weaver/chl-exp-term-subst.wvr.c[3072,3085] [2022-12-13 12:32:20,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:32:20,899 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:32:20,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20 WrapperNode [2022-12-13 12:32:20,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:32:20,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:32:20,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:32:20,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:32:20,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,935 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 337 [2022-12-13 12:32:20,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:32:20,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:32:20,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:32:20,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:32:20,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,965 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:32:20,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:32:20,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:32:20,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:32:20,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (1/1) ... [2022-12-13 12:32:20,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:32:20,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:32:20,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:32:20,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:32:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:32:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 12:32:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 12:32:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 12:32:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 12:32:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 12:32:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 12:32:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:32:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:32:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:32:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:32:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:32:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:32:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:32:21,024 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 12:32:21,102 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:32:21,103 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:32:21,486 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:32:21,498 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:32:21,498 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:32:21,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:32:21 BoogieIcfgContainer [2022-12-13 12:32:21,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:32:21,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:32:21,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:32:21,507 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:32:21,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:32:20" (1/3) ... [2022-12-13 12:32:21,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a417441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:32:21, skipping insertion in model container [2022-12-13 12:32:21,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:32:20" (2/3) ... [2022-12-13 12:32:21,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a417441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:32:21, skipping insertion in model container [2022-12-13 12:32:21,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:32:21" (3/3) ... [2022-12-13 12:32:21,510 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2022-12-13 12:32:21,518 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 12:32:21,529 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:32:21,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2022-12-13 12:32:21,529 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 12:32:21,653 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 12:32:21,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 432 places, 449 transitions, 922 flow [2022-12-13 12:32:21,849 INFO L130 PetriNetUnfolder]: 27/446 cut-off events. [2022-12-13 12:32:21,849 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 12:32:21,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459 conditions, 446 events. 27/446 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1444 event pairs, 0 based on Foata normal form. 0/372 useless extension candidates. Maximal degree in co-relation 314. Up to 2 conditions per place. [2022-12-13 12:32:21,865 INFO L82 GeneralOperation]: Start removeDead. Operand has 432 places, 449 transitions, 922 flow [2022-12-13 12:32:21,879 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 408 places, 423 transitions, 864 flow [2022-12-13 12:32:21,882 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 12:32:21,890 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 408 places, 423 transitions, 864 flow [2022-12-13 12:32:21,892 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 408 places, 423 transitions, 864 flow [2022-12-13 12:32:21,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 408 places, 423 transitions, 864 flow [2022-12-13 12:32:21,966 INFO L130 PetriNetUnfolder]: 25/423 cut-off events. [2022-12-13 12:32:21,966 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 12:32:21,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 436 conditions, 423 events. 25/423 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1432 event pairs, 0 based on Foata normal form. 0/352 useless extension candidates. Maximal degree in co-relation 314. Up to 2 conditions per place. [2022-12-13 12:32:21,984 INFO L119 LiptonReduction]: Number of co-enabled transitions 67830 [2022-12-13 12:32:28,934 INFO L134 LiptonReduction]: Checked pairs total: 220707 [2022-12-13 12:32:28,934 INFO L136 LiptonReduction]: Total number of compositions: 403 [2022-12-13 12:32:28,948 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:32:28,955 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;@761b3e4c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:32:28,955 INFO L358 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2022-12-13 12:32:28,956 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 12:32:28,956 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 12:32:28,956 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:32:28,957 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 12:32:28,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-12-13 12:32:28,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:28,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1720, now seen corresponding path program 1 times [2022-12-13 12:32:28,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:28,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353828837] [2022-12-13 12:32:28,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:28,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:29,063 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 12:32:29,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:29,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353828837] [2022-12-13 12:32:29,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353828837] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:29,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:29,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 12:32:29,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809348904] [2022-12-13 12:32:29,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:29,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 12:32:29,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:29,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 12:32:29,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 12:32:29,099 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 852 [2022-12-13 12:32:29,102 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 141 transitions, 300 flow. Second operand has 2 states, 2 states have (on average 434.5) internal successors, (869), 2 states have internal predecessors, (869), 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 12:32:29,103 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:32:29,103 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 852 [2022-12-13 12:32:29,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:32:31,302 INFO L130 PetriNetUnfolder]: 15681/26665 cut-off events. [2022-12-13 12:32:31,302 INFO L131 PetriNetUnfolder]: For 584/584 co-relation queries the response was YES. [2022-12-13 12:32:31,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47244 conditions, 26665 events. 15681/26665 cut-off events. For 584/584 co-relation queries the response was YES. Maximal size of possible extension queue 1507. Compared 228632 event pairs, 9597 based on Foata normal form. 327/20292 useless extension candidates. Maximal degree in co-relation 44750. Up to 20078 conditions per place. [2022-12-13 12:32:31,466 INFO L137 encePairwiseOnDemand]: 834/852 looper letters, 63 selfloop transitions, 0 changer transitions 1/123 dead transitions. [2022-12-13 12:32:31,466 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 123 transitions, 392 flow [2022-12-13 12:32:31,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 12:32:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 12:32:31,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 950 transitions. [2022-12-13 12:32:31,485 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5575117370892019 [2022-12-13 12:32:31,485 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 950 transitions. [2022-12-13 12:32:31,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 950 transitions. [2022-12-13 12:32:31,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:32:31,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 950 transitions. [2022-12-13 12:32:31,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 475.0) internal successors, (950), 2 states have internal predecessors, (950), 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 12:32:31,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 852.0) internal successors, (2556), 3 states have internal predecessors, (2556), 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 12:32:31,505 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 852.0) internal successors, (2556), 3 states have internal predecessors, (2556), 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 12:32:31,506 INFO L175 Difference]: Start difference. First operand has 132 places, 141 transitions, 300 flow. Second operand 2 states and 950 transitions. [2022-12-13 12:32:31,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 123 transitions, 392 flow [2022-12-13 12:32:31,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 123 transitions, 380 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 12:32:31,520 INFO L231 Difference]: Finished difference. Result has 110 places, 122 transitions, 249 flow [2022-12-13 12:32:31,521 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=249, PETRI_PLACES=110, PETRI_TRANSITIONS=122} [2022-12-13 12:32:31,524 INFO L288 CegarLoopForPetriNet]: 132 programPoint places, -22 predicate places. [2022-12-13 12:32:31,524 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 122 transitions, 249 flow [2022-12-13 12:32:31,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 434.5) internal successors, (869), 2 states have internal predecessors, (869), 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 12:32:31,525 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:32:31,525 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 12:32:31,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:32:31,525 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-12-13 12:32:31,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:31,526 INFO L85 PathProgramCache]: Analyzing trace with hash 52872746, now seen corresponding path program 1 times [2022-12-13 12:32:31,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:31,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962947084] [2022-12-13 12:32:31,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:31,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:31,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:31,590 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 12:32:31,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:31,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962947084] [2022-12-13 12:32:31,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962947084] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:31,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:31,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:32:31,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838570088] [2022-12-13 12:32:31,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:31,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:32:31,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:31,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:32:31,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:32:31,618 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 852 [2022-12-13 12:32:31,621 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 122 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:32:31,621 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:32:31,621 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 852 [2022-12-13 12:32:31,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:32:33,744 INFO L130 PetriNetUnfolder]: 22857/38877 cut-off events. [2022-12-13 12:32:33,744 INFO L131 PetriNetUnfolder]: For 165/165 co-relation queries the response was YES. [2022-12-13 12:32:33,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68651 conditions, 38877 events. 22857/38877 cut-off events. For 165/165 co-relation queries the response was YES. Maximal size of possible extension queue 1852. Compared 341062 event pairs, 11009 based on Foata normal form. 0/29264 useless extension candidates. Maximal degree in co-relation 68648. Up to 29462 conditions per place. [2022-12-13 12:32:33,870 INFO L137 encePairwiseOnDemand]: 844/852 looper letters, 91 selfloop transitions, 2 changer transitions 0/140 dead transitions. [2022-12-13 12:32:33,870 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 140 transitions, 473 flow [2022-12-13 12:32:33,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:32:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:32:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1344 transitions. [2022-12-13 12:32:33,873 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5258215962441315 [2022-12-13 12:32:33,873 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1344 transitions. [2022-12-13 12:32:33,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1344 transitions. [2022-12-13 12:32:33,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:32:33,874 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1344 transitions. [2022-12-13 12:32:33,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 448.0) internal successors, (1344), 3 states have internal predecessors, (1344), 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 12:32:33,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:33,880 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:33,881 INFO L175 Difference]: Start difference. First operand has 110 places, 122 transitions, 249 flow. Second operand 3 states and 1344 transitions. [2022-12-13 12:32:33,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 140 transitions, 473 flow [2022-12-13 12:32:33,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 140 transitions, 473 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:32:33,883 INFO L231 Difference]: Finished difference. Result has 106 places, 118 transitions, 251 flow [2022-12-13 12:32:33,883 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=251, PETRI_PLACES=106, PETRI_TRANSITIONS=118} [2022-12-13 12:32:33,884 INFO L288 CegarLoopForPetriNet]: 132 programPoint places, -26 predicate places. [2022-12-13 12:32:33,884 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 118 transitions, 251 flow [2022-12-13 12:32:33,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:32:33,884 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:32:33,884 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:32:33,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:32:33,885 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-12-13 12:32:33,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:33,885 INFO L85 PathProgramCache]: Analyzing trace with hash -728865428, now seen corresponding path program 1 times [2022-12-13 12:32:33,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:33,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435980135] [2022-12-13 12:32:33,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:33,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:33,931 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 12:32:33,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:33,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435980135] [2022-12-13 12:32:33,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435980135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:33,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:33,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:32:33,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201905428] [2022-12-13 12:32:33,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:33,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:32:33,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:33,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:32:33,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:32:33,956 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 852 [2022-12-13 12:32:33,957 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 118 transitions, 251 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:32:33,957 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:32:33,957 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 852 [2022-12-13 12:32:33,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:32:35,585 INFO L130 PetriNetUnfolder]: 20956/33663 cut-off events. [2022-12-13 12:32:35,585 INFO L131 PetriNetUnfolder]: For 156/156 co-relation queries the response was YES. [2022-12-13 12:32:35,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60960 conditions, 33663 events. 20956/33663 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1469. Compared 267323 event pairs, 4460 based on Foata normal form. 0/26092 useless extension candidates. Maximal degree in co-relation 60956. Up to 26871 conditions per place. [2022-12-13 12:32:35,718 INFO L137 encePairwiseOnDemand]: 844/852 looper letters, 89 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2022-12-13 12:32:35,718 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 136 transitions, 471 flow [2022-12-13 12:32:35,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:32:35,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:32:35,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1342 transitions. [2022-12-13 12:32:35,721 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.525039123630673 [2022-12-13 12:32:35,721 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1342 transitions. [2022-12-13 12:32:35,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1342 transitions. [2022-12-13 12:32:35,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:32:35,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1342 transitions. [2022-12-13 12:32:35,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 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 12:32:35,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:35,727 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:35,727 INFO L175 Difference]: Start difference. First operand has 106 places, 118 transitions, 251 flow. Second operand 3 states and 1342 transitions. [2022-12-13 12:32:35,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 136 transitions, 471 flow [2022-12-13 12:32:35,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 136 transitions, 471 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:32:35,729 INFO L231 Difference]: Finished difference. Result has 103 places, 114 transitions, 253 flow [2022-12-13 12:32:35,729 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=103, PETRI_TRANSITIONS=114} [2022-12-13 12:32:35,730 INFO L288 CegarLoopForPetriNet]: 132 programPoint places, -29 predicate places. [2022-12-13 12:32:35,730 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 114 transitions, 253 flow [2022-12-13 12:32:35,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 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 12:32:35,730 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:32:35,731 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:35,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:32:35,731 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-12-13 12:32:35,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:35,731 INFO L85 PathProgramCache]: Analyzing trace with hash -437095966, now seen corresponding path program 1 times [2022-12-13 12:32:35,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:35,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432804675] [2022-12-13 12:32:35,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:35,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:35,765 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 12:32:35,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:35,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432804675] [2022-12-13 12:32:35,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432804675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:35,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:35,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:32:35,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137986315] [2022-12-13 12:32:35,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:35,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:32:35,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:35,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:32:35,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:32:35,788 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 852 [2022-12-13 12:32:35,791 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 114 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 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 12:32:35,791 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:32:35,791 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 852 [2022-12-13 12:32:35,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:32:38,514 INFO L130 PetriNetUnfolder]: 26490/40673 cut-off events. [2022-12-13 12:32:38,515 INFO L131 PetriNetUnfolder]: For 253/253 co-relation queries the response was YES. [2022-12-13 12:32:38,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75500 conditions, 40673 events. 26490/40673 cut-off events. For 253/253 co-relation queries the response was YES. Maximal size of possible extension queue 1576. Compared 299924 event pairs, 6330 based on Foata normal form. 0/31118 useless extension candidates. Maximal degree in co-relation 75495. Up to 34406 conditions per place. [2022-12-13 12:32:38,714 INFO L137 encePairwiseOnDemand]: 844/852 looper letters, 93 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2022-12-13 12:32:38,714 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 133 transitions, 483 flow [2022-12-13 12:32:38,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:32:38,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:32:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1346 transitions. [2022-12-13 12:32:38,717 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.52660406885759 [2022-12-13 12:32:38,717 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1346 transitions. [2022-12-13 12:32:38,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1346 transitions. [2022-12-13 12:32:38,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:32:38,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1346 transitions. [2022-12-13 12:32:38,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 448.6666666666667) internal successors, (1346), 3 states have internal predecessors, (1346), 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 12:32:38,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:38,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:38,734 INFO L175 Difference]: Start difference. First operand has 103 places, 114 transitions, 253 flow. Second operand 3 states and 1346 transitions. [2022-12-13 12:32:38,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 133 transitions, 483 flow [2022-12-13 12:32:38,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 133 transitions, 483 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:32:38,738 INFO L231 Difference]: Finished difference. Result has 100 places, 110 transitions, 255 flow [2022-12-13 12:32:38,738 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=100, PETRI_TRANSITIONS=110} [2022-12-13 12:32:38,739 INFO L288 CegarLoopForPetriNet]: 132 programPoint places, -32 predicate places. [2022-12-13 12:32:38,739 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 110 transitions, 255 flow [2022-12-13 12:32:38,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 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 12:32:38,740 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:32:38,740 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:38,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:32:38,740 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-12-13 12:32:38,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:38,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1935409571, now seen corresponding path program 1 times [2022-12-13 12:32:38,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:38,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965023475] [2022-12-13 12:32:38,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:38,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:38,786 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 12:32:38,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:38,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965023475] [2022-12-13 12:32:38,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965023475] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:38,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:38,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:32:38,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255404419] [2022-12-13 12:32:38,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:38,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:32:38,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:38,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:32:38,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:32:38,796 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 852 [2022-12-13 12:32:38,798 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 110 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 431.0) internal successors, (1293), 3 states have internal predecessors, (1293), 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 12:32:38,798 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:32:38,798 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 852 [2022-12-13 12:32:38,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:32:40,860 INFO L130 PetriNetUnfolder]: 25197/40518 cut-off events. [2022-12-13 12:32:40,861 INFO L131 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2022-12-13 12:32:40,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73352 conditions, 40518 events. 25197/40518 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 1794. Compared 328254 event pairs, 10818 based on Foata normal form. 0/31048 useless extension candidates. Maximal degree in co-relation 73346. Up to 22752 conditions per place. [2022-12-13 12:32:41,053 INFO L137 encePairwiseOnDemand]: 848/852 looper letters, 108 selfloop transitions, 3 changer transitions 0/158 dead transitions. [2022-12-13 12:32:41,053 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 158 transitions, 575 flow [2022-12-13 12:32:41,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:32:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:32:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1399 transitions. [2022-12-13 12:32:41,056 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.547339593114241 [2022-12-13 12:32:41,056 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1399 transitions. [2022-12-13 12:32:41,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1399 transitions. [2022-12-13 12:32:41,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:32:41,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1399 transitions. [2022-12-13 12:32:41,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 466.3333333333333) internal successors, (1399), 3 states have internal predecessors, (1399), 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 12:32:41,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:41,063 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:41,063 INFO L175 Difference]: Start difference. First operand has 100 places, 110 transitions, 255 flow. Second operand 3 states and 1399 transitions. [2022-12-13 12:32:41,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 158 transitions, 575 flow [2022-12-13 12:32:41,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 158 transitions, 575 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:32:41,065 INFO L231 Difference]: Finished difference. Result has 104 places, 112 transitions, 277 flow [2022-12-13 12:32:41,066 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=277, PETRI_PLACES=104, PETRI_TRANSITIONS=112} [2022-12-13 12:32:41,066 INFO L288 CegarLoopForPetriNet]: 132 programPoint places, -28 predicate places. [2022-12-13 12:32:41,066 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 112 transitions, 277 flow [2022-12-13 12:32:41,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.0) internal successors, (1293), 3 states have internal predecessors, (1293), 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 12:32:41,067 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:32:41,067 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:41,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:32:41,067 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-12-13 12:32:41,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:41,068 INFO L85 PathProgramCache]: Analyzing trace with hash -360676762, now seen corresponding path program 1 times [2022-12-13 12:32:41,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:41,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261367054] [2022-12-13 12:32:41,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:41,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:41,108 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 12:32:41,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:41,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261367054] [2022-12-13 12:32:41,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261367054] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:41,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:41,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:32:41,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624426397] [2022-12-13 12:32:41,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:41,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:32:41,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:41,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:32:41,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:32:41,122 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 852 [2022-12-13 12:32:41,123 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 112 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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 12:32:41,124 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:32:41,124 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 852 [2022-12-13 12:32:41,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:32:44,811 INFO L130 PetriNetUnfolder]: 44765/68366 cut-off events. [2022-12-13 12:32:44,811 INFO L131 PetriNetUnfolder]: For 6265/6265 co-relation queries the response was YES. [2022-12-13 12:32:44,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131926 conditions, 68366 events. 44765/68366 cut-off events. For 6265/6265 co-relation queries the response was YES. Maximal size of possible extension queue 2748. Compared 543783 event pairs, 11227 based on Foata normal form. 0/56438 useless extension candidates. Maximal degree in co-relation 131918. Up to 35487 conditions per place. [2022-12-13 12:32:45,140 INFO L137 encePairwiseOnDemand]: 844/852 looper letters, 124 selfloop transitions, 4 changer transitions 0/167 dead transitions. [2022-12-13 12:32:45,141 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 167 transitions, 665 flow [2022-12-13 12:32:45,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:32:45,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:32:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1391 transitions. [2022-12-13 12:32:45,144 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5442097026604069 [2022-12-13 12:32:45,145 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1391 transitions. [2022-12-13 12:32:45,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1391 transitions. [2022-12-13 12:32:45,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:32:45,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1391 transitions. [2022-12-13 12:32:45,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 463.6666666666667) internal successors, (1391), 3 states have internal predecessors, (1391), 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 12:32:45,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:45,153 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:45,153 INFO L175 Difference]: Start difference. First operand has 104 places, 112 transitions, 277 flow. Second operand 3 states and 1391 transitions. [2022-12-13 12:32:45,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 167 transitions, 665 flow [2022-12-13 12:32:45,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 167 transitions, 653 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:32:45,250 INFO L231 Difference]: Finished difference. Result has 101 places, 112 transitions, 293 flow [2022-12-13 12:32:45,250 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=293, PETRI_PLACES=101, PETRI_TRANSITIONS=112} [2022-12-13 12:32:45,250 INFO L288 CegarLoopForPetriNet]: 132 programPoint places, -31 predicate places. [2022-12-13 12:32:45,250 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 112 transitions, 293 flow [2022-12-13 12:32:45,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 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 12:32:45,251 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:32:45,251 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:45,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:32:45,251 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-12-13 12:32:45,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:45,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1282017420, now seen corresponding path program 1 times [2022-12-13 12:32:45,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:45,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620061722] [2022-12-13 12:32:45,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:45,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:45,292 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 12:32:45,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:45,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620061722] [2022-12-13 12:32:45,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620061722] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:45,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:45,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:32:45,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747749638] [2022-12-13 12:32:45,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:45,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:32:45,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:45,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:32:45,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:32:45,310 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 852 [2022-12-13 12:32:45,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 112 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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 12:32:45,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:32:45,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 852 [2022-12-13 12:32:45,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:32:51,330 INFO L130 PetriNetUnfolder]: 62277/90611 cut-off events. [2022-12-13 12:32:51,330 INFO L131 PetriNetUnfolder]: For 10194/10194 co-relation queries the response was YES. [2022-12-13 12:32:51,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184756 conditions, 90611 events. 62277/90611 cut-off events. For 10194/10194 co-relation queries the response was YES. Maximal size of possible extension queue 3121. Compared 674446 event pairs, 17579 based on Foata normal form. 0/76195 useless extension candidates. Maximal degree in co-relation 184748. Up to 45463 conditions per place. [2022-12-13 12:32:51,724 INFO L137 encePairwiseOnDemand]: 844/852 looper letters, 134 selfloop transitions, 4 changer transitions 0/173 dead transitions. [2022-12-13 12:32:51,724 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 173 transitions, 729 flow [2022-12-13 12:32:51,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:32:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:32:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1393 transitions. [2022-12-13 12:32:51,727 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5449921752738655 [2022-12-13 12:32:51,727 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1393 transitions. [2022-12-13 12:32:51,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1393 transitions. [2022-12-13 12:32:51,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:32:51,727 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1393 transitions. [2022-12-13 12:32:51,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 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 12:32:51,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:51,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:32:51,733 INFO L175 Difference]: Start difference. First operand has 101 places, 112 transitions, 293 flow. Second operand 3 states and 1393 transitions. [2022-12-13 12:32:51,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 173 transitions, 729 flow [2022-12-13 12:32:51,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 173 transitions, 729 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:32:51,760 INFO L231 Difference]: Finished difference. Result has 100 places, 112 transitions, 313 flow [2022-12-13 12:32:51,760 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=285, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=100, PETRI_TRANSITIONS=112} [2022-12-13 12:32:51,761 INFO L288 CegarLoopForPetriNet]: 132 programPoint places, -32 predicate places. [2022-12-13 12:32:51,761 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 112 transitions, 313 flow [2022-12-13 12:32:51,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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 12:32:51,761 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:32:51,761 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:32:51,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:32:51,762 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-12-13 12:32:51,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:32:51,762 INFO L85 PathProgramCache]: Analyzing trace with hash 554016490, now seen corresponding path program 1 times [2022-12-13 12:32:51,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:32:51,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285427380] [2022-12-13 12:32:51,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:32:51,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:32:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:32:51,792 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 12:32:51,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:32:51,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285427380] [2022-12-13 12:32:51,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285427380] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:32:51,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:32:51,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:32:51,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774431298] [2022-12-13 12:32:51,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:32:51,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:32:51,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:32:51,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:32:51,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:32:51,799 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 852 [2022-12-13 12:32:51,800 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 112 transitions, 313 flow. Second operand has 3 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 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 12:32:51,800 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:32:51,800 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 852 [2022-12-13 12:32:51,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:32:59,586 INFO L130 PetriNetUnfolder]: 78012/118479 cut-off events. [2022-12-13 12:32:59,587 INFO L131 PetriNetUnfolder]: For 16637/16851 co-relation queries the response was YES. [2022-12-13 12:32:59,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242664 conditions, 118479 events. 78012/118479 cut-off events. For 16637/16851 co-relation queries the response was YES. Maximal size of possible extension queue 4181. Compared 987353 event pairs, 33367 based on Foata normal form. 1027/102499 useless extension candidates. Maximal degree in co-relation 242655. Up to 69855 conditions per place. [2022-12-13 12:33:00,204 INFO L137 encePairwiseOnDemand]: 848/852 looper letters, 124 selfloop transitions, 3 changer transitions 0/168 dead transitions. [2022-12-13 12:33:00,204 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 168 transitions, 720 flow [2022-12-13 12:33:00,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:33:00,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:33:00,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1400 transitions. [2022-12-13 12:33:00,207 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5477308294209703 [2022-12-13 12:33:00,207 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1400 transitions. [2022-12-13 12:33:00,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1400 transitions. [2022-12-13 12:33:00,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:33:00,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1400 transitions. [2022-12-13 12:33:00,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 466.6666666666667) internal successors, (1400), 3 states have internal predecessors, (1400), 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 12:33:00,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:33:00,213 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:33:00,213 INFO L175 Difference]: Start difference. First operand has 100 places, 112 transitions, 313 flow. Second operand 3 states and 1400 transitions. [2022-12-13 12:33:00,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 168 transitions, 720 flow [2022-12-13 12:33:00,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 168 transitions, 720 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 12:33:00,248 INFO L231 Difference]: Finished difference. Result has 104 places, 114 transitions, 337 flow [2022-12-13 12:33:00,248 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=337, PETRI_PLACES=104, PETRI_TRANSITIONS=114} [2022-12-13 12:33:00,248 INFO L288 CegarLoopForPetriNet]: 132 programPoint places, -28 predicate places. [2022-12-13 12:33:00,248 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 114 transitions, 337 flow [2022-12-13 12:33:00,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.6666666666667) internal successors, (1295), 3 states have internal predecessors, (1295), 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 12:33:00,249 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 12:33:00,249 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:33:00,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:33:00,250 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2022-12-13 12:33:00,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:33:00,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1575632177, now seen corresponding path program 1 times [2022-12-13 12:33:00,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:33:00,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561308604] [2022-12-13 12:33:00,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:33:00,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:33:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:33:00,272 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 12:33:00,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:33:00,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561308604] [2022-12-13 12:33:00,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561308604] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:33:00,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:33:00,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:33:00,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042202356] [2022-12-13 12:33:00,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:33:00,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:33:00,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:33:00,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:33:00,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:33:00,289 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 852 [2022-12-13 12:33:00,290 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 114 transitions, 337 flow. Second operand has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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 12:33:00,290 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 12:33:00,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 852 [2022-12-13 12:33:00,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 12:33:09,310 INFO L130 PetriNetUnfolder]: 110308/157135 cut-off events. [2022-12-13 12:33:09,310 INFO L131 PetriNetUnfolder]: For 39343/39573 co-relation queries the response was YES. [2022-12-13 12:33:09,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345205 conditions, 157135 events. 110308/157135 cut-off events. For 39343/39573 co-relation queries the response was YES. Maximal size of possible extension queue 4596. Compared 1182478 event pairs, 32493 based on Foata normal form. 0/136578 useless extension candidates. Maximal degree in co-relation 345194. Up to 81472 conditions per place. [2022-12-13 12:33:09,777 INFO L137 encePairwiseOnDemand]: 844/852 looper letters, 0 selfloop transitions, 0 changer transitions 179/179 dead transitions. [2022-12-13 12:33:09,778 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 179 transitions, 826 flow [2022-12-13 12:33:09,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:33:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 12:33:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1393 transitions. [2022-12-13 12:33:09,780 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5449921752738655 [2022-12-13 12:33:09,781 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1393 transitions. [2022-12-13 12:33:09,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1393 transitions. [2022-12-13 12:33:09,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:33:09,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1393 transitions. [2022-12-13 12:33:09,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 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 12:33:09,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:33:09,786 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 852.0) internal successors, (3408), 4 states have internal predecessors, (3408), 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 12:33:09,786 INFO L175 Difference]: Start difference. First operand has 104 places, 114 transitions, 337 flow. Second operand 3 states and 1393 transitions. [2022-12-13 12:33:09,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 179 transitions, 826 flow [2022-12-13 12:33:10,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 179 transitions, 814 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 12:33:10,795 INFO L231 Difference]: Finished difference. Result has 100 places, 0 transitions, 0 flow [2022-12-13 12:33:10,795 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=323, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=100, PETRI_TRANSITIONS=0} [2022-12-13 12:33:10,796 INFO L288 CegarLoopForPetriNet]: 132 programPoint places, -32 predicate places. [2022-12-13 12:33:10,796 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 0 transitions, 0 flow [2022-12-13 12:33:10,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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 12:33:10,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (82 of 83 remaining) [2022-12-13 12:33:10,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2022-12-13 12:33:10,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2022-12-13 12:33:10,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2022-12-13 12:33:10,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2022-12-13 12:33:10,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2022-12-13 12:33:10,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2022-12-13 12:33:10,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2022-12-13 12:33:10,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2022-12-13 12:33:10,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2022-12-13 12:33:10,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2022-12-13 12:33:10,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2022-12-13 12:33:10,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2022-12-13 12:33:10,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2022-12-13 12:33:10,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2022-12-13 12:33:10,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2022-12-13 12:33:10,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2022-12-13 12:33:10,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2022-12-13 12:33:10,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2022-12-13 12:33:10,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2022-12-13 12:33:10,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2022-12-13 12:33:10,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2022-12-13 12:33:10,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2022-12-13 12:33:10,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2022-12-13 12:33:10,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2022-12-13 12:33:10,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2022-12-13 12:33:10,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2022-12-13 12:33:10,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2022-12-13 12:33:10,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2022-12-13 12:33:10,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2022-12-13 12:33:10,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2022-12-13 12:33:10,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2022-12-13 12:33:10,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2022-12-13 12:33:10,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2022-12-13 12:33:10,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2022-12-13 12:33:10,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2022-12-13 12:33:10,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2022-12-13 12:33:10,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2022-12-13 12:33:10,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2022-12-13 12:33:10,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 83 remaining) [2022-12-13 12:33:10,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 83 remaining) [2022-12-13 12:33:10,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 83 remaining) [2022-12-13 12:33:10,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 83 remaining) [2022-12-13 12:33:10,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2022-12-13 12:33:10,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2022-12-13 12:33:10,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2022-12-13 12:33:10,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2022-12-13 12:33:10,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 83 remaining) [2022-12-13 12:33:10,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 83 remaining) [2022-12-13 12:33:10,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 83 remaining) [2022-12-13 12:33:10,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2022-12-13 12:33:10,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2022-12-13 12:33:10,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2022-12-13 12:33:10,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2022-12-13 12:33:10,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2022-12-13 12:33:10,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2022-12-13 12:33:10,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2022-12-13 12:33:10,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2022-12-13 12:33:10,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2022-12-13 12:33:10,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2022-12-13 12:33:10,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2022-12-13 12:33:10,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2022-12-13 12:33:10,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2022-12-13 12:33:10,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2022-12-13 12:33:10,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2022-12-13 12:33:10,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2022-12-13 12:33:10,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2022-12-13 12:33:10,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2022-12-13 12:33:10,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2022-12-13 12:33:10,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2022-12-13 12:33:10,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2022-12-13 12:33:10,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2022-12-13 12:33:10,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2022-12-13 12:33:10,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2022-12-13 12:33:10,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2022-12-13 12:33:10,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2022-12-13 12:33:10,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2022-12-13 12:33:10,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2022-12-13 12:33:10,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2022-12-13 12:33:10,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2022-12-13 12:33:10,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2022-12-13 12:33:10,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2022-12-13 12:33:10,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2022-12-13 12:33:10,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:33:10,809 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:33:10,815 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 12:33:10,815 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:33:10,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:33:10 BasicIcfg [2022-12-13 12:33:10,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:33:10,819 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:33:10,819 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:33:10,819 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:33:10,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:32:21" (3/4) ... [2022-12-13 12:33:10,822 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 12:33:10,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 12:33:10,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 12:33:10,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 12:33:10,833 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-13 12:33:10,833 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 12:33:10,833 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 12:33:10,834 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:33:10,872 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:33:10,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:33:10,873 INFO L158 Benchmark]: Toolchain (without parser) took 50176.24ms. Allocated memory was 138.4MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 104.0MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. [2022-12-13 12:33:10,874 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:33:10,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.03ms. Allocated memory is still 138.4MB. Free memory was 104.0MB in the beginning and 91.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 12:33:10,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.00ms. Allocated memory is still 138.4MB. Free memory was 91.4MB in the beginning and 88.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:33:10,875 INFO L158 Benchmark]: Boogie Preprocessor took 33.57ms. Allocated memory is still 138.4MB. Free memory was 88.9MB in the beginning and 86.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:33:10,875 INFO L158 Benchmark]: RCFGBuilder took 531.07ms. Allocated memory is still 138.4MB. Free memory was 86.8MB in the beginning and 57.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 12:33:10,875 INFO L158 Benchmark]: TraceAbstraction took 49314.91ms. Allocated memory was 138.4MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 57.0MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 4.4GB. Max. memory is 16.1GB. [2022-12-13 12:33:10,876 INFO L158 Benchmark]: Witness Printer took 53.87ms. Allocated memory is still 5.9GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:33:10,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.03ms. Allocated memory is still 138.4MB. Free memory was 104.0MB in the beginning and 91.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.00ms. Allocated memory is still 138.4MB. Free memory was 91.4MB in the beginning and 88.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.57ms. Allocated memory is still 138.4MB. Free memory was 88.9MB in the beginning and 86.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.07ms. Allocated memory is still 138.4MB. Free memory was 86.8MB in the beginning and 57.4MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 49314.91ms. Allocated memory was 138.4MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 57.0MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 4.4GB. Max. memory is 16.1GB. * Witness Printer took 53.87ms. Allocated memory is still 5.9GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.0s, 408 PlacesBefore, 132 PlacesAfterwards, 423 TransitionsBefore, 141 TransitionsAfterwards, 67830 CoEnabledTransitionPairs, 8 FixpointIterations, 125 TrivialSequentialCompositions, 215 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 56 ConcurrentYvCompositions, 6 ChoiceCompositions, 403 TotalNumberOfCompositions, 220707 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 103207, independent: 101615, independent conditional: 0, independent unconditional: 101615, dependent: 1592, dependent conditional: 0, dependent unconditional: 1592, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 38181, independent: 38000, independent conditional: 0, independent unconditional: 38000, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 103207, independent: 63615, independent conditional: 0, independent unconditional: 63615, dependent: 1411, dependent conditional: 0, dependent unconditional: 1411, unknown: 38181, unknown conditional: 0, unknown unconditional: 38181] , Statistics on independence cache: Total cache size (in pairs): 3484, Positive cache size: 3372, Positive conditional cache size: 0, Positive unconditional cache size: 3372, Negative cache size: 112, Negative conditional cache size: 0, Negative unconditional cache size: 112, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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, 690 locations, 83 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: 49.1s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 41.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 653 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 520 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1339 IncrementalHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 30 mSDtfsCounter, 1339 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=337occurred in iteration=8, InterpolantAutomatonStates: 26, 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, 0.2s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 47 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 12:33:10,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfb08b7-1022-4091-bd66-59571da2ee26/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE