./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/01_inc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/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_26994525-fe0a-4645-aa6f-3af5fa59b900/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/01_inc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/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_26994525-fe0a-4645-aa6f-3af5fa59b900/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 dc44c09c63836e77e2249e5abf8328354015a2494c028ff1b2e04f58fa741976 --- 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 11:16:04,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:16:04,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:16:04,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:16:04,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:16:04,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:16:04,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:16:04,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:16:04,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:16:04,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:16:04,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:16:04,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:16:04,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:16:04,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:16:04,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:16:04,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:16:04,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:16:04,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:16:04,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:16:04,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:16:04,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:16:04,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:16:04,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:16:04,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:16:04,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:16:04,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:16:04,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:16:04,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:16:04,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:16:04,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:16:04,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:16:04,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:16:04,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:16:04,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:16:04,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:16:04,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:16:04,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:16:04,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:16:04,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:16:04,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:16:04,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:16:04,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 11:16:04,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:16:04,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:16:04,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:16:04,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:16:04,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:16:04,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:16:04,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:16:04,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:16:04,369 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:16:04,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:16:04,369 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:16:04,369 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:16:04,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:16:04,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:16:04,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:16:04,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:16:04,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:16:04,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:16:04,370 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 11:16:04,371 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:16:04,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:16:04,371 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:16:04,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:16:04,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:16:04,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:16:04,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:16:04,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:16:04,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:16:04,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:16:04,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:16:04,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:16:04,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:16:04,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:16:04,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:16:04,373 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:16:04,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:16:04,373 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:16:04,373 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_26994525-fe0a-4645-aa6f-3af5fa59b900/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc44c09c63836e77e2249e5abf8328354015a2494c028ff1b2e04f58fa741976 [2022-12-13 11:16:04,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:16:04,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:16:04,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:16:04,562 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:16:04,562 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:16:04,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-ext/01_inc.i [2022-12-13 11:16:07,154 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:16:07,381 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:16:07,381 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/sv-benchmarks/c/pthread-ext/01_inc.i [2022-12-13 11:16:07,392 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/bin/uautomizer-uyxdKDjOR8/data/d7edb0246/e430a416f85d4b9b8a7d84502e5d1831/FLAGd3704db7d [2022-12-13 11:16:07,724 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/bin/uautomizer-uyxdKDjOR8/data/d7edb0246/e430a416f85d4b9b8a7d84502e5d1831 [2022-12-13 11:16:07,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:16:07,727 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:16:07,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:16:07,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:16:07,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:16:07,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:16:07" (1/1) ... [2022-12-13 11:16:07,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13af00b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:07, skipping insertion in model container [2022-12-13 11:16:07,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:16:07" (1/1) ... [2022-12-13 11:16:07,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:16:07,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:16:07,869 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:16:07,973 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:16:07,975 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_26994525-fe0a-4645-aa6f-3af5fa59b900/sv-benchmarks/c/pthread-ext/01_inc.i[30915,30928] [2022-12-13 11:16:07,975 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:16:07,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:16:07,990 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:16:08,003 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 11:16:08,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 11:16:08,025 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_26994525-fe0a-4645-aa6f-3af5fa59b900/sv-benchmarks/c/pthread-ext/01_inc.i[30915,30928] [2022-12-13 11:16:08,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 11:16:08,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:16:08,066 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:16:08,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08 WrapperNode [2022-12-13 11:16:08,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:16:08,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:16:08,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:16:08,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:16:08,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (1/1) ... [2022-12-13 11:16:08,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (1/1) ... [2022-12-13 11:16:08,108 INFO L138 Inliner]: procedures = 173, calls = 18, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 88 [2022-12-13 11:16:08,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:16:08,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:16:08,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:16:08,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:16:08,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (1/1) ... [2022-12-13 11:16:08,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (1/1) ... [2022-12-13 11:16:08,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (1/1) ... [2022-12-13 11:16:08,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (1/1) ... [2022-12-13 11:16:08,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (1/1) ... [2022-12-13 11:16:08,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (1/1) ... [2022-12-13 11:16:08,131 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (1/1) ... [2022-12-13 11:16:08,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (1/1) ... [2022-12-13 11:16:08,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:16:08,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:16:08,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:16:08,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:16:08,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (1/1) ... [2022-12-13 11:16:08,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:16:08,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:16:08,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:16:08,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26994525-fe0a-4645-aa6f-3af5fa59b900/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:16:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-13 11:16:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-13 11:16:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:16:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 11:16:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:16:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:16:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:16:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:16:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 11:16:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:16:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:16:08,191 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 11:16:08,287 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:16:08,288 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:16:08,419 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:16:08,514 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:16:08,514 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 11:16:08,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:16:08 BoogieIcfgContainer [2022-12-13 11:16:08,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:16:08,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:16:08,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:16:08,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:16:08,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:16:07" (1/3) ... [2022-12-13 11:16:08,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79563560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:16:08, skipping insertion in model container [2022-12-13 11:16:08,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:16:08" (2/3) ... [2022-12-13 11:16:08,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79563560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:16:08, skipping insertion in model container [2022-12-13 11:16:08,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:16:08" (3/3) ... [2022-12-13 11:16:08,526 INFO L112 eAbstractionObserver]: Analyzing ICFG 01_inc.i [2022-12-13 11:16:08,535 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 11:16:08,545 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:16:08,546 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-13 11:16:08,546 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 11:16:08,586 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 11:16:08,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 61 transitions, 127 flow [2022-12-13 11:16:08,646 INFO L130 PetriNetUnfolder]: 3/72 cut-off events. [2022-12-13 11:16:08,647 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:16:08,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 3/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 104 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 4 conditions per place. [2022-12-13 11:16:08,653 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 61 transitions, 127 flow [2022-12-13 11:16:08,657 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 61 transitions, 127 flow [2022-12-13 11:16:08,660 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:16:08,671 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 61 transitions, 127 flow [2022-12-13 11:16:08,674 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 61 transitions, 127 flow [2022-12-13 11:16:08,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 61 transitions, 127 flow [2022-12-13 11:16:08,694 INFO L130 PetriNetUnfolder]: 3/72 cut-off events. [2022-12-13 11:16:08,694 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:16:08,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 3/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 104 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 4 conditions per place. [2022-12-13 11:16:08,696 INFO L119 LiptonReduction]: Number of co-enabled transitions 868 [2022-12-13 11:16:10,186 INFO L134 LiptonReduction]: Checked pairs total: 874 [2022-12-13 11:16:10,187 INFO L136 LiptonReduction]: Total number of compositions: 71 [2022-12-13 11:16:10,198 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:16:10,202 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;@5cf476d1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:16:10,202 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2022-12-13 11:16:10,204 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-13 11:16:10,204 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:16:10,205 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:10,205 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 11:16:10,205 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2022-12-13 11:16:10,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:10,209 INFO L85 PathProgramCache]: Analyzing trace with hash 12328889, now seen corresponding path program 1 times [2022-12-13 11:16:10,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:10,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237980497] [2022-12-13 11:16:10,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:10,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:10,322 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 11:16:10,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:10,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237980497] [2022-12-13 11:16:10,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237980497] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:10,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:10,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 11:16:10,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055537919] [2022-12-13 11:16:10,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:10,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:16:10,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:10,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:16:10,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:16:10,345 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 132 [2022-12-13 11:16:10,347 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 39 flow. Second operand has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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 11:16:10,347 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:16:10,347 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 132 [2022-12-13 11:16:10,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:16:10,362 INFO L130 PetriNetUnfolder]: 2/11 cut-off events. [2022-12-13 11:16:10,362 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:16:10,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 11 events. 2/11 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 9 event pairs, 2 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 14. Up to 11 conditions per place. [2022-12-13 11:16:10,363 INFO L137 encePairwiseOnDemand]: 121/132 looper letters, 5 selfloop transitions, 0 changer transitions 0/6 dead transitions. [2022-12-13 11:16:10,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 6 transitions, 27 flow [2022-12-13 11:16:10,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:16:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 11:16:10,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 110 transitions. [2022-12-13 11:16:10,373 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2022-12-13 11:16:10,373 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 110 transitions. [2022-12-13 11:16:10,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 110 transitions. [2022-12-13 11:16:10,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:16:10,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 110 transitions. [2022-12-13 11:16:10,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 55.0) internal successors, (110), 2 states have internal predecessors, (110), 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 11:16:10,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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 11:16:10,380 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 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 11:16:10,382 INFO L175 Difference]: Start difference. First operand has 20 places, 17 transitions, 39 flow. Second operand 2 states and 110 transitions. [2022-12-13 11:16:10,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 6 transitions, 27 flow [2022-12-13 11:16:10,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 6 transitions, 27 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:16:10,384 INFO L231 Difference]: Finished difference. Result has 10 places, 6 transitions, 17 flow [2022-12-13 11:16:10,385 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=17, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=17, PETRI_PLACES=10, PETRI_TRANSITIONS=6} [2022-12-13 11:16:10,388 INFO L288 CegarLoopForPetriNet]: 20 programPoint places, -10 predicate places. [2022-12-13 11:16:10,388 INFO L495 AbstractCegarLoop]: Abstraction has has 10 places, 6 transitions, 17 flow [2022-12-13 11:16:10,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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 11:16:10,389 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:10,389 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2022-12-13 11:16:10,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:16:10,389 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 17 more)] === [2022-12-13 11:16:10,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:10,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1036858939, now seen corresponding path program 1 times [2022-12-13 11:16:10,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:10,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209160939] [2022-12-13 11:16:10,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:10,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:16:10,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:16:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:16:10,427 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:16:10,427 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:16:10,428 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 21 remaining) [2022-12-13 11:16:10,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2022-12-13 11:16:10,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2022-12-13 11:16:10,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2022-12-13 11:16:10,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2022-12-13 11:16:10,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2022-12-13 11:16:10,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2022-12-13 11:16:10,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2022-12-13 11:16:10,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2022-12-13 11:16:10,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2022-12-13 11:16:10,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2022-12-13 11:16:10,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2022-12-13 11:16:10,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2022-12-13 11:16:10,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2022-12-13 11:16:10,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2022-12-13 11:16:10,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2022-12-13 11:16:10,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2022-12-13 11:16:10,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2022-12-13 11:16:10,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2022-12-13 11:16:10,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2022-12-13 11:16:10,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2022-12-13 11:16:10,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:16:10,432 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 11:16:10,434 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 11:16:10,434 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-13 11:16:10,452 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 11:16:10,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 93 transitions, 198 flow [2022-12-13 11:16:10,468 INFO L130 PetriNetUnfolder]: 5/117 cut-off events. [2022-12-13 11:16:10,468 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 11:16:10,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 117 events. 5/117 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 282 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 75. Up to 6 conditions per place. [2022-12-13 11:16:10,470 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 93 transitions, 198 flow [2022-12-13 11:16:10,470 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 93 transitions, 198 flow [2022-12-13 11:16:10,471 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:16:10,471 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 93 transitions, 198 flow [2022-12-13 11:16:10,471 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 93 transitions, 198 flow [2022-12-13 11:16:10,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 93 transitions, 198 flow [2022-12-13 11:16:10,483 INFO L130 PetriNetUnfolder]: 5/117 cut-off events. [2022-12-13 11:16:10,483 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 11:16:10,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 117 events. 5/117 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 282 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 75. Up to 6 conditions per place. [2022-12-13 11:16:10,486 INFO L119 LiptonReduction]: Number of co-enabled transitions 3720 [2022-12-13 11:16:11,421 INFO L134 LiptonReduction]: Checked pairs total: 18081 [2022-12-13 11:16:11,421 INFO L136 LiptonReduction]: Total number of compositions: 60 [2022-12-13 11:16:11,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:16:11,425 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;@5cf476d1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:16:11,425 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-12-13 11:16:11,427 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-12-13 11:16:11,427 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:16:11,428 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:11,428 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 11:16:11,428 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-13 11:16:11,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:11,428 INFO L85 PathProgramCache]: Analyzing trace with hash 18220288, now seen corresponding path program 1 times [2022-12-13 11:16:11,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:11,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219261002] [2022-12-13 11:16:11,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:11,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:11,463 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 11:16:11,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:11,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219261002] [2022-12-13 11:16:11,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219261002] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:11,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:11,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 11:16:11,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420219102] [2022-12-13 11:16:11,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:11,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:16:11,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:11,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:16:11,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:16:11,465 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 153 [2022-12-13 11:16:11,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 56 transitions, 124 flow. Second operand has 2 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 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 11:16:11,465 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:16:11,465 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 153 [2022-12-13 11:16:11,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:16:11,514 INFO L130 PetriNetUnfolder]: 86/309 cut-off events. [2022-12-13 11:16:11,515 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-13 11:16:11,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 309 events. 86/309 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1653 event pairs, 64 based on Foata normal form. 32/279 useless extension candidates. Maximal degree in co-relation 106. Up to 149 conditions per place. [2022-12-13 11:16:11,517 INFO L137 encePairwiseOnDemand]: 138/153 looper letters, 14 selfloop transitions, 0 changer transitions 0/41 dead transitions. [2022-12-13 11:16:11,517 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 41 transitions, 122 flow [2022-12-13 11:16:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:16:11,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 11:16:11,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 163 transitions. [2022-12-13 11:16:11,520 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5326797385620915 [2022-12-13 11:16:11,520 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 163 transitions. [2022-12-13 11:16:11,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 163 transitions. [2022-12-13 11:16:11,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:16:11,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 163 transitions. [2022-12-13 11:16:11,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 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 11:16:11,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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 11:16:11,523 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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 11:16:11,523 INFO L175 Difference]: Start difference. First operand has 59 places, 56 transitions, 124 flow. Second operand 2 states and 163 transitions. [2022-12-13 11:16:11,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 41 transitions, 122 flow [2022-12-13 11:16:11,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 41 transitions, 120 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-12-13 11:16:11,524 INFO L231 Difference]: Finished difference. Result has 45 places, 41 transitions, 92 flow [2022-12-13 11:16:11,524 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=92, PETRI_PLACES=45, PETRI_TRANSITIONS=41} [2022-12-13 11:16:11,525 INFO L288 CegarLoopForPetriNet]: 59 programPoint places, -14 predicate places. [2022-12-13 11:16:11,525 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 41 transitions, 92 flow [2022-12-13 11:16:11,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 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 11:16:11,525 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:11,525 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 11:16:11,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:16:11,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-13 11:16:11,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:11,526 INFO L85 PathProgramCache]: Analyzing trace with hash 329843714, now seen corresponding path program 1 times [2022-12-13 11:16:11,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:11,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062024303] [2022-12-13 11:16:11,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:11,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:11,565 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 11:16:11,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:11,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062024303] [2022-12-13 11:16:11,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062024303] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:11,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:11,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:16:11,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059123754] [2022-12-13 11:16:11,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:11,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:16:11,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:11,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:16:11,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:16:11,587 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 153 [2022-12-13 11:16:11,587 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 11:16:11,588 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:16:11,588 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 153 [2022-12-13 11:16:11,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:16:11,685 INFO L130 PetriNetUnfolder]: 375/815 cut-off events. [2022-12-13 11:16:11,685 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-12-13 11:16:11,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 815 events. 375/815 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4835 event pairs, 125 based on Foata normal form. 0/729 useless extension candidates. Maximal degree in co-relation 1491. Up to 444 conditions per place. [2022-12-13 11:16:11,689 INFO L137 encePairwiseOnDemand]: 137/153 looper letters, 36 selfloop transitions, 12 changer transitions 0/62 dead transitions. [2022-12-13 11:16:11,689 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 62 transitions, 235 flow [2022-12-13 11:16:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:16:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:16:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2022-12-13 11:16:11,692 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4596949891067538 [2022-12-13 11:16:11,692 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 211 transitions. [2022-12-13 11:16:11,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 211 transitions. [2022-12-13 11:16:11,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:16:11,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 211 transitions. [2022-12-13 11:16:11,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 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 11:16:11,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 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 11:16:11,694 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 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 11:16:11,694 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 92 flow. Second operand 3 states and 211 transitions. [2022-12-13 11:16:11,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 62 transitions, 235 flow [2022-12-13 11:16:11,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 62 transitions, 235 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:16:11,696 INFO L231 Difference]: Finished difference. Result has 49 places, 53 transitions, 196 flow [2022-12-13 11:16:11,696 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=49, PETRI_TRANSITIONS=53} [2022-12-13 11:16:11,697 INFO L288 CegarLoopForPetriNet]: 59 programPoint places, -10 predicate places. [2022-12-13 11:16:11,697 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 53 transitions, 196 flow [2022-12-13 11:16:11,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 11:16:11,697 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:11,697 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-13 11:16:11,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:16:11,697 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2022-12-13 11:16:11,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:11,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1411715824, now seen corresponding path program 1 times [2022-12-13 11:16:11,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:11,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749879718] [2022-12-13 11:16:11,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:11,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:16:11,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:16:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:16:11,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:16:11,719 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:16:11,719 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2022-12-13 11:16:11,719 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2022-12-13 11:16:11,719 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2022-12-13 11:16:11,720 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2022-12-13 11:16:11,720 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2022-12-13 11:16:11,720 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2022-12-13 11:16:11,720 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2022-12-13 11:16:11,720 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2022-12-13 11:16:11,720 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2022-12-13 11:16:11,721 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2022-12-13 11:16:11,721 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2022-12-13 11:16:11,721 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2022-12-13 11:16:11,721 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2022-12-13 11:16:11,721 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2022-12-13 11:16:11,721 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2022-12-13 11:16:11,722 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2022-12-13 11:16:11,722 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2022-12-13 11:16:11,722 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2022-12-13 11:16:11,722 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2022-12-13 11:16:11,722 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2022-12-13 11:16:11,722 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2022-12-13 11:16:11,723 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2022-12-13 11:16:11,723 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2022-12-13 11:16:11,723 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2022-12-13 11:16:11,723 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2022-12-13 11:16:11,723 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2022-12-13 11:16:11,723 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2022-12-13 11:16:11,723 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2022-12-13 11:16:11,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2022-12-13 11:16:11,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2022-12-13 11:16:11,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2022-12-13 11:16:11,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:16:11,724 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 11:16:11,725 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 11:16:11,725 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-12-13 11:16:11,742 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 11:16:11,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 125 transitions, 271 flow [2022-12-13 11:16:11,763 INFO L130 PetriNetUnfolder]: 7/162 cut-off events. [2022-12-13 11:16:11,763 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 11:16:11,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 162 events. 7/162 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 470 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 121. Up to 8 conditions per place. [2022-12-13 11:16:11,764 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 125 transitions, 271 flow [2022-12-13 11:16:11,766 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 125 transitions, 271 flow [2022-12-13 11:16:11,766 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:16:11,766 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 125 transitions, 271 flow [2022-12-13 11:16:11,766 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 125 transitions, 271 flow [2022-12-13 11:16:11,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 125 transitions, 271 flow [2022-12-13 11:16:11,784 INFO L130 PetriNetUnfolder]: 7/162 cut-off events. [2022-12-13 11:16:11,784 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 11:16:11,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 162 events. 7/162 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 470 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 121. Up to 8 conditions per place. [2022-12-13 11:16:11,789 INFO L119 LiptonReduction]: Number of co-enabled transitions 8556 [2022-12-13 11:16:12,747 INFO L134 LiptonReduction]: Checked pairs total: 46574 [2022-12-13 11:16:12,747 INFO L136 LiptonReduction]: Total number of compositions: 75 [2022-12-13 11:16:12,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:16:12,750 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;@5cf476d1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:16:12,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2022-12-13 11:16:12,752 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-13 11:16:12,752 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:16:12,752 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:12,752 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 11:16:12,752 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2022-12-13 11:16:12,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:12,753 INFO L85 PathProgramCache]: Analyzing trace with hash 25361691, now seen corresponding path program 1 times [2022-12-13 11:16:12,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:12,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693035756] [2022-12-13 11:16:12,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:12,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:12,772 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 11:16:12,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:12,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693035756] [2022-12-13 11:16:12,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693035756] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:12,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:12,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 11:16:12,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117412478] [2022-12-13 11:16:12,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:12,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:16:12,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:12,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:16:12,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:16:12,775 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 200 [2022-12-13 11:16:12,775 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 81 transitions, 183 flow. Second operand has 2 states, 2 states have (on average 89.0) internal successors, (178), 2 states have internal predecessors, (178), 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 11:16:12,775 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:16:12,775 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 200 [2022-12-13 11:16:12,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:16:12,949 INFO L130 PetriNetUnfolder]: 1057/2055 cut-off events. [2022-12-13 11:16:12,949 INFO L131 PetriNetUnfolder]: For 268/268 co-relation queries the response was YES. [2022-12-13 11:16:12,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3775 conditions, 2055 events. 1057/2055 cut-off events. For 268/268 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 14103 event pairs, 839 based on Foata normal form. 218/1939 useless extension candidates. Maximal degree in co-relation 658. Up to 1504 conditions per place. [2022-12-13 11:16:12,959 INFO L137 encePairwiseOnDemand]: 178/200 looper letters, 22 selfloop transitions, 0 changer transitions 0/59 dead transitions. [2022-12-13 11:16:12,960 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 59 transitions, 183 flow [2022-12-13 11:16:12,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:16:12,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 11:16:12,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 218 transitions. [2022-12-13 11:16:12,962 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.545 [2022-12-13 11:16:12,962 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 218 transitions. [2022-12-13 11:16:12,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 218 transitions. [2022-12-13 11:16:12,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:16:12,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 218 transitions. [2022-12-13 11:16:12,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 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 11:16:12,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 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 11:16:12,965 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 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 11:16:12,965 INFO L175 Difference]: Start difference. First operand has 85 places, 81 transitions, 183 flow. Second operand 2 states and 218 transitions. [2022-12-13 11:16:12,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 59 transitions, 183 flow [2022-12-13 11:16:12,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 59 transitions, 177 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-12-13 11:16:12,968 INFO L231 Difference]: Finished difference. Result has 64 places, 59 transitions, 133 flow [2022-12-13 11:16:12,968 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=133, PETRI_PLACES=64, PETRI_TRANSITIONS=59} [2022-12-13 11:16:12,969 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -21 predicate places. [2022-12-13 11:16:12,969 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 59 transitions, 133 flow [2022-12-13 11:16:12,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 89.0) internal successors, (178), 2 states have internal predecessors, (178), 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 11:16:12,969 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:12,969 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 11:16:12,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:16:12,970 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2022-12-13 11:16:12,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:12,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1397195714, now seen corresponding path program 1 times [2022-12-13 11:16:12,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:12,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304143930] [2022-12-13 11:16:12,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:12,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:12,998 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 11:16:12,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:12,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304143930] [2022-12-13 11:16:12,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304143930] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:12,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:12,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:16:12,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035270283] [2022-12-13 11:16:12,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:12,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:16:12,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:12,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:16:13,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:16:13,026 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 200 [2022-12-13 11:16:13,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 59 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 11:16:13,026 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:16:13,026 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 200 [2022-12-13 11:16:13,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:16:14,189 INFO L130 PetriNetUnfolder]: 9462/15765 cut-off events. [2022-12-13 11:16:14,190 INFO L131 PetriNetUnfolder]: For 460/460 co-relation queries the response was YES. [2022-12-13 11:16:14,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29862 conditions, 15765 events. 9462/15765 cut-off events. For 460/460 co-relation queries the response was YES. Maximal size of possible extension queue 868. Compared 124764 event pairs, 3498 based on Foata normal form. 0/14340 useless extension candidates. Maximal degree in co-relation 29856. Up to 8714 conditions per place. [2022-12-13 11:16:14,299 INFO L137 encePairwiseOnDemand]: 176/200 looper letters, 54 selfloop transitions, 18 changer transitions 0/91 dead transitions. [2022-12-13 11:16:14,299 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 91 transitions, 351 flow [2022-12-13 11:16:14,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:16:14,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:16:14,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 276 transitions. [2022-12-13 11:16:14,301 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46 [2022-12-13 11:16:14,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 276 transitions. [2022-12-13 11:16:14,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 276 transitions. [2022-12-13 11:16:14,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:16:14,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 276 transitions. [2022-12-13 11:16:14,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 11:16:14,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 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 11:16:14,305 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 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 11:16:14,305 INFO L175 Difference]: Start difference. First operand has 64 places, 59 transitions, 133 flow. Second operand 3 states and 276 transitions. [2022-12-13 11:16:14,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 91 transitions, 351 flow [2022-12-13 11:16:14,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 91 transitions, 351 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:16:14,307 INFO L231 Difference]: Finished difference. Result has 68 places, 77 transitions, 289 flow [2022-12-13 11:16:14,308 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=289, PETRI_PLACES=68, PETRI_TRANSITIONS=77} [2022-12-13 11:16:14,308 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -17 predicate places. [2022-12-13 11:16:14,308 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 77 transitions, 289 flow [2022-12-13 11:16:14,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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 11:16:14,309 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:14,309 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:14,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 11:16:14,309 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2022-12-13 11:16:14,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:14,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1325342826, now seen corresponding path program 1 times [2022-12-13 11:16:14,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:14,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785792124] [2022-12-13 11:16:14,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:14,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:14,343 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 11:16:14,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:14,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785792124] [2022-12-13 11:16:14,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785792124] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:14,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:14,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:16:14,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161654349] [2022-12-13 11:16:14,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:14,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:16:14,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:14,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:16:14,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:16:14,378 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 200 [2022-12-13 11:16:14,378 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 77 transitions, 289 flow. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 11:16:14,378 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:16:14,378 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 200 [2022-12-13 11:16:14,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:16:15,397 INFO L130 PetriNetUnfolder]: 8287/14328 cut-off events. [2022-12-13 11:16:15,397 INFO L131 PetriNetUnfolder]: For 7906/8222 co-relation queries the response was YES. [2022-12-13 11:16:15,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35374 conditions, 14328 events. 8287/14328 cut-off events. For 7906/8222 co-relation queries the response was YES. Maximal size of possible extension queue 770. Compared 115169 event pairs, 4409 based on Foata normal form. 46/12287 useless extension candidates. Maximal degree in co-relation 35366. Up to 10116 conditions per place. [2022-12-13 11:16:15,463 INFO L137 encePairwiseOnDemand]: 189/200 looper letters, 49 selfloop transitions, 19 changer transitions 0/104 dead transitions. [2022-12-13 11:16:15,463 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 104 transitions, 537 flow [2022-12-13 11:16:15,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:16:15,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:16:15,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2022-12-13 11:16:15,465 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45166666666666666 [2022-12-13 11:16:15,465 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 271 transitions. [2022-12-13 11:16:15,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 271 transitions. [2022-12-13 11:16:15,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:16:15,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 271 transitions. [2022-12-13 11:16:15,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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 11:16:15,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 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 11:16:15,467 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 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 11:16:15,467 INFO L175 Difference]: Start difference. First operand has 68 places, 77 transitions, 289 flow. Second operand 3 states and 271 transitions. [2022-12-13 11:16:15,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 104 transitions, 537 flow [2022-12-13 11:16:15,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 104 transitions, 485 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 11:16:15,495 INFO L231 Difference]: Finished difference. Result has 69 places, 94 transitions, 412 flow [2022-12-13 11:16:15,495 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=69, PETRI_TRANSITIONS=94} [2022-12-13 11:16:15,495 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -16 predicate places. [2022-12-13 11:16:15,495 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 94 transitions, 412 flow [2022-12-13 11:16:15,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 11:16:15,496 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:15,496 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2022-12-13 11:16:15,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 11:16:15,496 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2022-12-13 11:16:15,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:15,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1393454713, now seen corresponding path program 1 times [2022-12-13 11:16:15,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:15,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032773472] [2022-12-13 11:16:15,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:15,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:16:15,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:16:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:16:15,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:16:15,513 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:16:15,513 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 41 remaining) [2022-12-13 11:16:15,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (37 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (36 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (35 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (34 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (33 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (32 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (31 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 41 remaining) [2022-12-13 11:16:15,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (20 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 41 remaining) [2022-12-13 11:16:15,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (11 of 41 remaining) [2022-12-13 11:16:15,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (10 of 41 remaining) [2022-12-13 11:16:15,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 41 remaining) [2022-12-13 11:16:15,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 41 remaining) [2022-12-13 11:16:15,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 41 remaining) [2022-12-13 11:16:15,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 41 remaining) [2022-12-13 11:16:15,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 41 remaining) [2022-12-13 11:16:15,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 41 remaining) [2022-12-13 11:16:15,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 41 remaining) [2022-12-13 11:16:15,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 41 remaining) [2022-12-13 11:16:15,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 41 remaining) [2022-12-13 11:16:15,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 41 remaining) [2022-12-13 11:16:15,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 11:16:15,516 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 11:16:15,517 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 11:16:15,517 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-12-13 11:16:15,538 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 11:16:15,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 161 places, 157 transitions, 346 flow [2022-12-13 11:16:15,563 INFO L130 PetriNetUnfolder]: 9/207 cut-off events. [2022-12-13 11:16:15,563 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-13 11:16:15,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 207 events. 9/207 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 651 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 170. Up to 10 conditions per place. [2022-12-13 11:16:15,565 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 157 transitions, 346 flow [2022-12-13 11:16:15,567 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 161 places, 157 transitions, 346 flow [2022-12-13 11:16:15,567 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:16:15,567 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 157 transitions, 346 flow [2022-12-13 11:16:15,567 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 157 transitions, 346 flow [2022-12-13 11:16:15,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 161 places, 157 transitions, 346 flow [2022-12-13 11:16:15,588 INFO L130 PetriNetUnfolder]: 9/207 cut-off events. [2022-12-13 11:16:15,588 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-13 11:16:15,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 207 events. 9/207 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 651 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 170. Up to 10 conditions per place. [2022-12-13 11:16:15,603 INFO L119 LiptonReduction]: Number of co-enabled transitions 15376 [2022-12-13 11:16:16,888 INFO L134 LiptonReduction]: Checked pairs total: 88714 [2022-12-13 11:16:16,888 INFO L136 LiptonReduction]: Total number of compositions: 94 [2022-12-13 11:16:16,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:16:16,890 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;@5cf476d1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:16:16,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2022-12-13 11:16:16,892 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-13 11:16:16,892 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:16:16,892 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:16,892 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 11:16:16,892 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2022-12-13 11:16:16,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:16,893 INFO L85 PathProgramCache]: Analyzing trace with hash 34072932, now seen corresponding path program 1 times [2022-12-13 11:16:16,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:16,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139318530] [2022-12-13 11:16:16,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:16,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:16,907 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 11:16:16,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:16,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139318530] [2022-12-13 11:16:16,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139318530] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:16,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:16,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 11:16:16,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528105331] [2022-12-13 11:16:16,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:16,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:16:16,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:16,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:16:16,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:16:16,910 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 251 [2022-12-13 11:16:16,910 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 106 transitions, 244 flow. Second operand has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 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 11:16:16,911 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:16:16,911 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 251 [2022-12-13 11:16:16,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:16:17,888 INFO L130 PetriNetUnfolder]: 7537/13687 cut-off events. [2022-12-13 11:16:17,888 INFO L131 PetriNetUnfolder]: For 2657/2657 co-relation queries the response was YES. [2022-12-13 11:16:17,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25020 conditions, 13687 events. 7537/13687 cut-off events. For 2657/2657 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 118824 event pairs, 5999 based on Foata normal form. 2344/13986 useless extension candidates. Maximal degree in co-relation 3834. Up to 9784 conditions per place. [2022-12-13 11:16:17,998 INFO L137 encePairwiseOnDemand]: 222/251 looper letters, 28 selfloop transitions, 0 changer transitions 0/77 dead transitions. [2022-12-13 11:16:17,998 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 77 transitions, 242 flow [2022-12-13 11:16:17,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:16:17,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 11:16:17,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 271 transitions. [2022-12-13 11:16:18,000 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5398406374501992 [2022-12-13 11:16:18,000 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 271 transitions. [2022-12-13 11:16:18,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 271 transitions. [2022-12-13 11:16:18,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:16:18,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 271 transitions. [2022-12-13 11:16:18,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 135.5) internal successors, (271), 2 states have internal predecessors, (271), 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 11:16:18,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 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 11:16:18,002 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 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 11:16:18,002 INFO L175 Difference]: Start difference. First operand has 111 places, 106 transitions, 244 flow. Second operand 2 states and 271 transitions. [2022-12-13 11:16:18,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 77 transitions, 242 flow [2022-12-13 11:16:18,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 77 transitions, 230 flow, removed 6 selfloop flow, removed 0 redundant places. [2022-12-13 11:16:18,005 INFO L231 Difference]: Finished difference. Result has 83 places, 77 transitions, 174 flow [2022-12-13 11:16:18,005 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=174, PETRI_PLACES=83, PETRI_TRANSITIONS=77} [2022-12-13 11:16:18,005 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -28 predicate places. [2022-12-13 11:16:18,005 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 77 transitions, 174 flow [2022-12-13 11:16:18,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 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 11:16:18,006 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:18,006 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 11:16:18,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 11:16:18,006 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2022-12-13 11:16:18,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:18,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1615620250, now seen corresponding path program 1 times [2022-12-13 11:16:18,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:18,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612802200] [2022-12-13 11:16:18,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:18,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:18,021 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 11:16:18,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:18,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612802200] [2022-12-13 11:16:18,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612802200] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:18,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:18,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:16:18,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295055372] [2022-12-13 11:16:18,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:18,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:16:18,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:18,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:16:18,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:16:18,055 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 251 [2022-12-13 11:16:18,055 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 77 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 11:16:18,056 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:16:18,056 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 251 [2022-12-13 11:16:18,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:16:35,623 INFO L130 PetriNetUnfolder]: 193399/284515 cut-off events. [2022-12-13 11:16:35,624 INFO L131 PetriNetUnfolder]: For 7242/7242 co-relation queries the response was YES. [2022-12-13 11:16:36,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546827 conditions, 284515 events. 193399/284515 cut-off events. For 7242/7242 co-relation queries the response was YES. Maximal size of possible extension queue 11182. Compared 2581316 event pairs, 73981 based on Foata normal form. 0/258014 useless extension candidates. Maximal degree in co-relation 546820. Up to 165920 conditions per place. [2022-12-13 11:16:37,366 INFO L137 encePairwiseOnDemand]: 219/251 looper letters, 74 selfloop transitions, 24 changer transitions 0/121 dead transitions. [2022-12-13 11:16:37,367 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 121 transitions, 473 flow [2022-12-13 11:16:37,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:16:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:16:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2022-12-13 11:16:37,368 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4555112881806109 [2022-12-13 11:16:37,368 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 343 transitions. [2022-12-13 11:16:37,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 343 transitions. [2022-12-13 11:16:37,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:16:37,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 343 transitions. [2022-12-13 11:16:37,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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 11:16:37,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 251.0) internal successors, (1004), 4 states have internal predecessors, (1004), 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 11:16:37,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 251.0) internal successors, (1004), 4 states have internal predecessors, (1004), 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 11:16:37,371 INFO L175 Difference]: Start difference. First operand has 83 places, 77 transitions, 174 flow. Second operand 3 states and 343 transitions. [2022-12-13 11:16:37,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 121 transitions, 473 flow [2022-12-13 11:16:37,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 121 transitions, 473 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:16:37,379 INFO L231 Difference]: Finished difference. Result has 87 places, 101 transitions, 382 flow [2022-12-13 11:16:37,379 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=87, PETRI_TRANSITIONS=101} [2022-12-13 11:16:37,380 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -24 predicate places. [2022-12-13 11:16:37,380 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 101 transitions, 382 flow [2022-12-13 11:16:37,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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 11:16:37,380 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:37,380 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:37,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 11:16:37,381 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2022-12-13 11:16:37,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:37,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1054243823, now seen corresponding path program 1 times [2022-12-13 11:16:37,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:37,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264427422] [2022-12-13 11:16:37,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:37,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:37,402 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 11:16:37,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:37,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264427422] [2022-12-13 11:16:37,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264427422] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:37,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:37,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:16:37,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371419211] [2022-12-13 11:16:37,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:37,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:16:37,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:37,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:16:37,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:16:37,440 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 251 [2022-12-13 11:16:37,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 101 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 11:16:37,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:16:37,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 251 [2022-12-13 11:16:37,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:16:55,268 INFO L130 PetriNetUnfolder]: 172679/263806 cut-off events. [2022-12-13 11:16:55,268 INFO L131 PetriNetUnfolder]: For 150461/157055 co-relation queries the response was YES. [2022-12-13 11:16:55,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 666147 conditions, 263806 events. 172679/263806 cut-off events. For 150461/157055 co-relation queries the response was YES. Maximal size of possible extension queue 10159. Compared 2508971 event pairs, 93592 based on Foata normal form. 1413/226979 useless extension candidates. Maximal degree in co-relation 666138. Up to 194254 conditions per place. [2022-12-13 11:16:57,173 INFO L137 encePairwiseOnDemand]: 236/251 looper letters, 68 selfloop transitions, 27 changer transitions 0/141 dead transitions. [2022-12-13 11:16:57,173 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 141 transitions, 739 flow [2022-12-13 11:16:57,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:16:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:16:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 341 transitions. [2022-12-13 11:16:57,175 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45285524568393093 [2022-12-13 11:16:57,176 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 341 transitions. [2022-12-13 11:16:57,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 341 transitions. [2022-12-13 11:16:57,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:16:57,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 341 transitions. [2022-12-13 11:16:57,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 11:16:57,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 251.0) internal successors, (1004), 4 states have internal predecessors, (1004), 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 11:16:57,178 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 251.0) internal successors, (1004), 4 states have internal predecessors, (1004), 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 11:16:57,179 INFO L175 Difference]: Start difference. First operand has 87 places, 101 transitions, 382 flow. Second operand 3 states and 341 transitions. [2022-12-13 11:16:57,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 141 transitions, 739 flow [2022-12-13 11:16:59,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 141 transitions, 667 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 11:16:59,461 INFO L231 Difference]: Finished difference. Result has 88 places, 126 transitions, 565 flow [2022-12-13 11:16:59,461 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=565, PETRI_PLACES=88, PETRI_TRANSITIONS=126} [2022-12-13 11:16:59,461 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -23 predicate places. [2022-12-13 11:16:59,461 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 126 transitions, 565 flow [2022-12-13 11:16:59,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 11:16:59,462 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:16:59,462 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:16:59,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 11:16:59,462 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2022-12-13 11:16:59,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:16:59,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1070569115, now seen corresponding path program 1 times [2022-12-13 11:16:59,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:16:59,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24304720] [2022-12-13 11:16:59,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:16:59,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:16:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:16:59,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 11:16:59,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:16:59,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24304720] [2022-12-13 11:16:59,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24304720] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:16:59,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:16:59,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:16:59,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699786082] [2022-12-13 11:16:59,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:16:59,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:16:59,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:16:59,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:16:59,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:16:59,518 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 251 [2022-12-13 11:16:59,518 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 126 transitions, 565 flow. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 11:16:59,518 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:16:59,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 251 [2022-12-13 11:16:59,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:17:12,816 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, Black: 167#true, 173#true, 10#L733-5true, 40#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 147#L718-1true, 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:12,816 INFO L383 tUnfolder$Statistics]: this new event has 43 ancestors and is cut-off event [2022-12-13 11:17:12,816 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 11:17:12,816 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 11:17:12,816 INFO L386 tUnfolder$Statistics]: existing Event has 43 ancestors and is cut-off event [2022-12-13 11:17:13,822 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 164#true, 134#L718-1true, 100#L724-2true, 173#true, Black: 167#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 147#L718-1true, 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:13,822 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2022-12-13 11:17:13,823 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 11:17:13,823 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 11:17:13,823 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 11:17:13,823 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1034] L724-2-->thr1EXIT: Formula: (and (< (mod |v_thr1Thread1of4ForFork0_~v~0#1_19| 4294967296) (mod v_~value~0_146 4294967296)) (= |v_#race~value~0_199| 0) (= |v_thr1Thread1of4ForFork0_#res#1.offset_13| 0) (= |v_thr1Thread1of4ForFork0_#res#1.base_13| 0)) InVars {thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_19|, ~value~0=v_~value~0_146} OutVars{thr1Thread1of4ForFork0_#res#1.offset=|v_thr1Thread1of4ForFork0_#res#1.offset_13|, thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_19|, ~value~0=v_~value~0_146, thr1Thread1of4ForFork0_#res#1.base=|v_thr1Thread1of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_199|} AuxVars[] AssignedVars[thr1Thread1of4ForFork0_#res#1.offset, thr1Thread1of4ForFork0_#res#1.base, #race~value~0][79], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 164#true, 134#L718-1true, Black: 167#true, 173#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 115#thr1EXITtrue, 147#L718-1true, 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:13,823 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2022-12-13 11:17:13,823 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 11:17:13,823 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 11:17:13,823 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 11:17:14,026 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([868] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, 173#true, Black: 167#true, 10#L733-5true, 40#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 39#L724-2true, 128#L722-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:14,026 INFO L383 tUnfolder$Statistics]: this new event has 44 ancestors and is cut-off event [2022-12-13 11:17:14,026 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 11:17:14,026 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 11:17:14,026 INFO L386 tUnfolder$Statistics]: existing Event has 44 ancestors and is cut-off event [2022-12-13 11:17:14,769 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([868] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 164#true, 100#L724-2true, 134#L718-1true, 173#true, Black: 167#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 39#L724-2true, 128#L722-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:14,769 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,769 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,769 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,769 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,771 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 37#L722-1true, 164#true, 100#L724-2true, 173#true, Black: 167#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 147#L718-1true, 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:14,771 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,771 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,771 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,771 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,823 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, 131#thr1EXITtrue, 134#L718-1true, 173#true, Black: 167#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:14,823 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,823 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,823 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,823 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,824 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 37#L722-1true, 164#true, 41#L724true, 131#thr1EXITtrue, 173#true, Black: 167#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:14,824 INFO L383 tUnfolder$Statistics]: this new event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,824 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,824 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:14,824 INFO L386 tUnfolder$Statistics]: existing Event has 45 ancestors and is cut-off event [2022-12-13 11:17:15,613 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, Black: 167#true, 173#true, 40#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 147#L718-1true, 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:15,614 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2022-12-13 11:17:15,614 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 11:17:15,614 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 11:17:15,614 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 11:17:15,999 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 37#L722-1true, 164#true, 131#thr1EXITtrue, Black: 167#true, 173#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:15,999 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2022-12-13 11:17:15,999 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 11:17:15,999 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 11:17:15,999 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 11:17:16,119 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, 120#thr1Err5ASSERT_VIOLATIONDATA_RACEtrue, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, Black: 167#true, 173#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 147#L718-1true, 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:16,119 INFO L383 tUnfolder$Statistics]: this new event has 46 ancestors and is cut-off event [2022-12-13 11:17:16,119 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 11:17:16,119 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 11:17:16,119 INFO L386 tUnfolder$Statistics]: existing Event has 46 ancestors and is cut-off event [2022-12-13 11:17:16,265 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 164#true, 134#L718-1true, 100#L724-2true, Black: 167#true, 173#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 147#L718-1true, 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:16,265 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,265 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,265 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,265 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,265 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1034] L724-2-->thr1EXIT: Formula: (and (< (mod |v_thr1Thread1of4ForFork0_~v~0#1_19| 4294967296) (mod v_~value~0_146 4294967296)) (= |v_#race~value~0_199| 0) (= |v_thr1Thread1of4ForFork0_#res#1.offset_13| 0) (= |v_thr1Thread1of4ForFork0_#res#1.base_13| 0)) InVars {thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_19|, ~value~0=v_~value~0_146} OutVars{thr1Thread1of4ForFork0_#res#1.offset=|v_thr1Thread1of4ForFork0_#res#1.offset_13|, thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_19|, ~value~0=v_~value~0_146, thr1Thread1of4ForFork0_#res#1.base=|v_thr1Thread1of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_199|} AuxVars[] AssignedVars[thr1Thread1of4ForFork0_#res#1.offset, thr1Thread1of4ForFork0_#res#1.base, #race~value~0][79], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 164#true, 134#L718-1true, Black: 167#true, 173#true, 115#thr1EXITtrue, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 147#L718-1true, 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:16,266 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,266 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,266 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,266 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,453 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([868] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, Black: 167#true, 173#true, 40#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 39#L724-2true, 128#L722-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:16,453 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,453 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,453 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,453 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,663 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 99#L722-2true, 164#true, 134#L718-1true, 100#L724-2true, Black: 167#true, 173#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:16,663 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,663 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,663 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,663 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,664 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1034] L724-2-->thr1EXIT: Formula: (and (< (mod |v_thr1Thread1of4ForFork0_~v~0#1_19| 4294967296) (mod v_~value~0_146 4294967296)) (= |v_#race~value~0_199| 0) (= |v_thr1Thread1of4ForFork0_#res#1.offset_13| 0) (= |v_thr1Thread1of4ForFork0_#res#1.base_13| 0)) InVars {thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_19|, ~value~0=v_~value~0_146} OutVars{thr1Thread1of4ForFork0_#res#1.offset=|v_thr1Thread1of4ForFork0_#res#1.offset_13|, thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_19|, ~value~0=v_~value~0_146, thr1Thread1of4ForFork0_#res#1.base=|v_thr1Thread1of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_199|} AuxVars[] AssignedVars[thr1Thread1of4ForFork0_#res#1.offset, thr1Thread1of4ForFork0_#res#1.base, #race~value~0][79], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 99#L722-2true, 164#true, 134#L718-1true, Black: 167#true, 173#true, 10#L733-5true, 115#thr1EXITtrue, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:16,664 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,664 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,664 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,664 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,826 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([868] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [thr1Thread3of4ForFork0InUse, 120#thr1Err5ASSERT_VIOLATIONDATA_RACEtrue, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, Black: 167#true, 173#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 39#L724-2true, 128#L722-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:16,826 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,826 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,826 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,826 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is cut-off event [2022-12-13 11:17:16,930 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([868] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 164#true, 134#L718-1true, 100#L724-2true, 173#true, Black: 167#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 39#L724-2true, 128#L722-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:16,930 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2022-12-13 11:17:16,930 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:16,930 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:16,931 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:16,933 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 37#L722-1true, 164#true, 100#L724-2true, 173#true, Black: 167#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 147#L718-1true, 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:16,933 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2022-12-13 11:17:16,933 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:16,933 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:16,933 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,128 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, 131#thr1EXITtrue, 134#L718-1true, 173#true, Black: 167#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:17,128 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,128 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,128 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,128 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,129 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 37#L722-1true, 164#true, 41#L724true, 131#thr1EXITtrue, Black: 167#true, 173#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:17,129 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,129 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,129 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,129 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,429 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 37#L722-1true, 99#L722-2true, 164#true, 100#L724-2true, Black: 167#true, 173#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:17,430 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,430 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,430 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,430 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,480 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, 134#L718-1true, Black: 167#true, 173#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, 121#L723-2true, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:17,480 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,480 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,480 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,480 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,481 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 37#L722-1true, 164#true, 41#L724true, 173#true, Black: 167#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), thr1Thread1of4ForFork0InUse, 121#L723-2true, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:17,481 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,481 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,481 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,481 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is cut-off event [2022-12-13 11:17:17,482 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([876] L723-2-->L723-3: Formula: (= |v_thr1Thread3of4ForFork0_#t~nondet6#1_3| |v_#race~value~0_7|) InVars {thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|} OutVars{thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|, #race~value~0=|v_#race~value~0_7|} AuxVars[] AssignedVars[#race~value~0][71], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, 41#L724true, 134#L718-1true, Black: 169#(= |#race~value~0| 0), 173#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 106#L723-3true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:17,482 INFO L383 tUnfolder$Statistics]: this new event has 47 ancestors and is not cut-off event [2022-12-13 11:17:17,482 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2022-12-13 11:17:17,482 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2022-12-13 11:17:17,482 INFO L386 tUnfolder$Statistics]: existing Event has 47 ancestors and is not cut-off event [2022-12-13 11:17:17,702 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 37#L722-1true, 164#true, 131#thr1EXITtrue, Black: 167#true, 173#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:17,702 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2022-12-13 11:17:17,702 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 11:17:17,702 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 11:17:17,702 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 11:17:17,821 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, 120#thr1Err5ASSERT_VIOLATIONDATA_RACEtrue, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, 173#true, Black: 167#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 147#L718-1true, 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:17,821 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2022-12-13 11:17:17,821 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 11:17:17,821 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 11:17:17,821 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 11:17:17,999 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 37#L722-1true, 164#true, Black: 167#true, 173#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 39#L724-2true, thr1Thread1of4ForFork0InUse, 121#L723-2true, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:17,999 INFO L383 tUnfolder$Statistics]: this new event has 49 ancestors and is cut-off event [2022-12-13 11:17:17,999 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 11:17:17,999 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 11:17:17,999 INFO L386 tUnfolder$Statistics]: existing Event has 49 ancestors and is cut-off event [2022-12-13 11:17:18,000 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([876] L723-2-->L723-3: Formula: (= |v_thr1Thread3of4ForFork0_#t~nondet6#1_3| |v_#race~value~0_7|) InVars {thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|} OutVars{thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|, #race~value~0=|v_#race~value~0_7|} AuxVars[] AssignedVars[#race~value~0][71], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, 134#L718-1true, Black: 169#(= |#race~value~0| 0), 173#true, 10#L733-5true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 106#L723-3true, 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:18,001 INFO L383 tUnfolder$Statistics]: this new event has 48 ancestors and is not cut-off event [2022-12-13 11:17:18,001 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is not cut-off event [2022-12-13 11:17:18,001 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is not cut-off event [2022-12-13 11:17:18,001 INFO L386 tUnfolder$Statistics]: existing Event has 48 ancestors and is not cut-off event [2022-12-13 11:17:18,127 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 99#L722-2true, 164#true, 134#L718-1true, 100#L724-2true, Black: 167#true, 173#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:18,127 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,127 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,127 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,127 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,127 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1034] L724-2-->thr1EXIT: Formula: (and (< (mod |v_thr1Thread1of4ForFork0_~v~0#1_19| 4294967296) (mod v_~value~0_146 4294967296)) (= |v_#race~value~0_199| 0) (= |v_thr1Thread1of4ForFork0_#res#1.offset_13| 0) (= |v_thr1Thread1of4ForFork0_#res#1.base_13| 0)) InVars {thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_19|, ~value~0=v_~value~0_146} OutVars{thr1Thread1of4ForFork0_#res#1.offset=|v_thr1Thread1of4ForFork0_#res#1.offset_13|, thr1Thread1of4ForFork0_~v~0#1=|v_thr1Thread1of4ForFork0_~v~0#1_19|, ~value~0=v_~value~0_146, thr1Thread1of4ForFork0_#res#1.base=|v_thr1Thread1of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_199|} AuxVars[] AssignedVars[thr1Thread1of4ForFork0_#res#1.offset, thr1Thread1of4ForFork0_#res#1.base, #race~value~0][79], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 99#L722-2true, 164#true, 134#L718-1true, Black: 167#true, 173#true, 115#thr1EXITtrue, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:18,127 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,127 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,127 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,127 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,284 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([868] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][42], [thr1Thread3of4ForFork0InUse, 120#thr1Err5ASSERT_VIOLATIONDATA_RACEtrue, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, 173#true, Black: 167#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 39#L724-2true, 128#L722-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:18,284 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,284 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,284 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,284 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is cut-off event [2022-12-13 11:17:18,505 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 37#L722-1true, 99#L722-2true, 164#true, 100#L724-2true, Black: 167#true, 173#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:18,505 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,505 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,505 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,505 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,553 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1046] L724-2-->thr1EXIT: Formula: (and (= |v_thr1Thread2of4ForFork0_#res#1.offset_13| 0) (= |v_#race~value~0_207| 0) (= |v_thr1Thread2of4ForFork0_#res#1.base_13| 0) (< (mod |v_thr1Thread2of4ForFork0_~v~0#1_15| 4294967296) (mod v_~value~0_148 4294967296))) InVars {thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148} OutVars{thr1Thread2of4ForFork0_#res#1.offset=|v_thr1Thread2of4ForFork0_#res#1.offset_13|, thr1Thread2of4ForFork0_~v~0#1=|v_thr1Thread2of4ForFork0_~v~0#1_15|, ~value~0=v_~value~0_148, thr1Thread2of4ForFork0_#res#1.base=|v_thr1Thread2of4ForFork0_#res#1.base_13|, #race~value~0=|v_#race~value~0_207|} AuxVars[] AssignedVars[thr1Thread2of4ForFork0_#res#1.offset, thr1Thread2of4ForFork0_#res#1.base, #race~value~0][84], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, 134#L718-1true, Black: 167#true, 173#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 22#thr1EXITtrue, thr1Thread1of4ForFork0InUse, 121#L723-2true, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:18,554 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,554 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,554 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,554 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,554 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 37#L722-1true, 164#true, 41#L724true, 173#true, Black: 167#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, thr1Thread1of4ForFork0InUse, 121#L723-2true, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:18,554 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,555 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,555 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,555 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is cut-off event [2022-12-13 11:17:18,556 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([876] L723-2-->L723-3: Formula: (= |v_thr1Thread3of4ForFork0_#t~nondet6#1_3| |v_#race~value~0_7|) InVars {thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|} OutVars{thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|, #race~value~0=|v_#race~value~0_7|} AuxVars[] AssignedVars[#race~value~0][71], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, 41#L724true, 134#L718-1true, Black: 169#(= |#race~value~0| 0), 173#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 106#L723-3true, 25#L733-4true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:18,556 INFO L383 tUnfolder$Statistics]: this new event has 50 ancestors and is not cut-off event [2022-12-13 11:17:18,556 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2022-12-13 11:17:18,556 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2022-12-13 11:17:18,556 INFO L386 tUnfolder$Statistics]: existing Event has 50 ancestors and is not cut-off event [2022-12-13 11:17:19,076 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([899] L722-->L722-1: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][68], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 37#L722-1true, 164#true, 173#true, Black: 167#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 25#L733-4true, 39#L724-2true, thr1Thread1of4ForFork0InUse, 121#L723-2true, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:19,077 INFO L383 tUnfolder$Statistics]: this new event has 52 ancestors and is cut-off event [2022-12-13 11:17:19,077 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 11:17:19,077 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 11:17:19,077 INFO L386 tUnfolder$Statistics]: existing Event has 52 ancestors and is cut-off event [2022-12-13 11:17:19,078 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([876] L723-2-->L723-3: Formula: (= |v_thr1Thread3of4ForFork0_#t~nondet6#1_3| |v_#race~value~0_7|) InVars {thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|} OutVars{thr1Thread3of4ForFork0_#t~nondet6#1=|v_thr1Thread3of4ForFork0_#t~nondet6#1_3|, #race~value~0=|v_#race~value~0_7|} AuxVars[] AssignedVars[#race~value~0][71], [thr1Thread3of4ForFork0InUse, 111#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread4of4ForFork0InUse, 164#true, 134#L718-1true, Black: 169#(= |#race~value~0| 0), 173#true, Black: 175#(= |#race~value~0| |thr1Thread1of4ForFork0_#t~nondet6#1|), 106#L723-3true, 25#L733-4true, 39#L724-2true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 178#true]) [2022-12-13 11:17:19,078 INFO L383 tUnfolder$Statistics]: this new event has 51 ancestors and is not cut-off event [2022-12-13 11:17:19,078 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is not cut-off event [2022-12-13 11:17:19,078 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is not cut-off event [2022-12-13 11:17:19,078 INFO L386 tUnfolder$Statistics]: existing Event has 51 ancestors and is not cut-off event [2022-12-13 11:17:19,858 INFO L130 PetriNetUnfolder]: 196904/300043 cut-off events. [2022-12-13 11:17:19,858 INFO L131 PetriNetUnfolder]: For 256202/274208 co-relation queries the response was YES. [2022-12-13 11:17:20,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 812230 conditions, 300043 events. 196904/300043 cut-off events. For 256202/274208 co-relation queries the response was YES. Maximal size of possible extension queue 11494. Compared 2874202 event pairs, 96672 based on Foata normal form. 1946/249609 useless extension candidates. Maximal degree in co-relation 812220. Up to 219945 conditions per place. [2022-12-13 11:17:22,002 INFO L137 encePairwiseOnDemand]: 236/251 looper letters, 91 selfloop transitions, 29 changer transitions 0/166 dead transitions. [2022-12-13 11:17:22,003 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 166 transitions, 983 flow [2022-12-13 11:17:22,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:17:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:17:22,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 341 transitions. [2022-12-13 11:17:22,004 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45285524568393093 [2022-12-13 11:17:22,004 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 341 transitions. [2022-12-13 11:17:22,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 341 transitions. [2022-12-13 11:17:22,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:17:22,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 341 transitions. [2022-12-13 11:17:22,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 11:17:22,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 251.0) internal successors, (1004), 4 states have internal predecessors, (1004), 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 11:17:22,006 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 251.0) internal successors, (1004), 4 states have internal predecessors, (1004), 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 11:17:22,006 INFO L175 Difference]: Start difference. First operand has 88 places, 126 transitions, 565 flow. Second operand 3 states and 341 transitions. [2022-12-13 11:17:22,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 166 transitions, 983 flow [2022-12-13 11:17:34,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 166 transitions, 954 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 11:17:34,054 INFO L231 Difference]: Finished difference. Result has 90 places, 151 transitions, 811 flow [2022-12-13 11:17:34,054 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=811, PETRI_PLACES=90, PETRI_TRANSITIONS=151} [2022-12-13 11:17:34,054 INFO L288 CegarLoopForPetriNet]: 111 programPoint places, -21 predicate places. [2022-12-13 11:17:34,054 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 151 transitions, 811 flow [2022-12-13 11:17:34,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 11:17:34,054 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:17:34,054 INFO L209 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1] [2022-12-13 11:17:34,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 11:17:34,055 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2022-12-13 11:17:34,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:34,055 INFO L85 PathProgramCache]: Analyzing trace with hash 967851262, now seen corresponding path program 1 times [2022-12-13 11:17:34,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:17:34,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973641432] [2022-12-13 11:17:34,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:17:34,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:17:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:34,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:17:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:17:34,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:17:34,077 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 11:17:34,078 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining) [2022-12-13 11:17:34,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2022-12-13 11:17:34,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2022-12-13 11:17:34,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2022-12-13 11:17:34,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2022-12-13 11:17:34,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2022-12-13 11:17:34,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2022-12-13 11:17:34,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2022-12-13 11:17:34,078 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2022-12-13 11:17:34,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2022-12-13 11:17:34,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2022-12-13 11:17:34,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2022-12-13 11:17:34,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2022-12-13 11:17:34,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2022-12-13 11:17:34,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2022-12-13 11:17:34,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2022-12-13 11:17:34,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2022-12-13 11:17:34,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2022-12-13 11:17:34,079 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2022-12-13 11:17:34,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2022-12-13 11:17:34,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2022-12-13 11:17:34,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2022-12-13 11:17:34,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2022-12-13 11:17:34,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2022-12-13 11:17:34,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2022-12-13 11:17:34,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2022-12-13 11:17:34,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2022-12-13 11:17:34,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2022-12-13 11:17:34,080 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2022-12-13 11:17:34,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2022-12-13 11:17:34,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2022-12-13 11:17:34,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining) [2022-12-13 11:17:34,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2022-12-13 11:17:34,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2022-12-13 11:17:34,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2022-12-13 11:17:34,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2022-12-13 11:17:34,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2022-12-13 11:17:34,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2022-12-13 11:17:34,081 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2022-12-13 11:17:34,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2022-12-13 11:17:34,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2022-12-13 11:17:34,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2022-12-13 11:17:34,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2022-12-13 11:17:34,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2022-12-13 11:17:34,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2022-12-13 11:17:34,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2022-12-13 11:17:34,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2022-12-13 11:17:34,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2022-12-13 11:17:34,082 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2022-12-13 11:17:34,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2022-12-13 11:17:34,083 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2022-12-13 11:17:34,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 11:17:34,083 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 11:17:34,083 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-13 11:17:34,084 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2022-12-13 11:17:34,106 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 11:17:34,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 194 places, 189 transitions, 423 flow [2022-12-13 11:17:34,139 INFO L130 PetriNetUnfolder]: 11/252 cut-off events. [2022-12-13 11:17:34,139 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-12-13 11:17:34,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 252 events. 11/252 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 849 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 220. Up to 12 conditions per place. [2022-12-13 11:17:34,141 INFO L82 GeneralOperation]: Start removeDead. Operand has 194 places, 189 transitions, 423 flow [2022-12-13 11:17:34,144 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 194 places, 189 transitions, 423 flow [2022-12-13 11:17:34,145 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:17:34,145 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 194 places, 189 transitions, 423 flow [2022-12-13 11:17:34,145 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 194 places, 189 transitions, 423 flow [2022-12-13 11:17:34,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 194 places, 189 transitions, 423 flow [2022-12-13 11:17:34,174 INFO L130 PetriNetUnfolder]: 11/252 cut-off events. [2022-12-13 11:17:34,174 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-12-13 11:17:34,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 252 events. 11/252 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 849 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 220. Up to 12 conditions per place. [2022-12-13 11:17:34,196 INFO L119 LiptonReduction]: Number of co-enabled transitions 24180 [2022-12-13 11:17:35,680 INFO L134 LiptonReduction]: Checked pairs total: 144954 [2022-12-13 11:17:35,680 INFO L136 LiptonReduction]: Total number of compositions: 109 [2022-12-13 11:17:35,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:17:35,682 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;@5cf476d1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:17:35,682 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2022-12-13 11:17:35,683 INFO L130 PetriNetUnfolder]: 0/5 cut-off events. [2022-12-13 11:17:35,683 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:17:35,683 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:17:35,683 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 11:17:35,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-12-13 11:17:35,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:35,683 INFO L85 PathProgramCache]: Analyzing trace with hash 44231162, now seen corresponding path program 1 times [2022-12-13 11:17:35,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:17:35,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101073194] [2022-12-13 11:17:35,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:17:35,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:17:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:35,691 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 11:17:35,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:17:35,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101073194] [2022-12-13 11:17:35,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101073194] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:17:35,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:17:35,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 11:17:35,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627603171] [2022-12-13 11:17:35,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:17:35,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:17:35,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:17:35,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:17:35,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:17:35,692 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 298 [2022-12-13 11:17:35,693 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 131 transitions, 307 flow. Second operand has 2 states, 2 states have (on average 129.0) internal successors, (258), 2 states have internal predecessors, (258), 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 11:17:35,693 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:17:35,693 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 298 [2022-12-13 11:17:35,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:17:41,294 INFO L130 PetriNetUnfolder]: 48733/80511 cut-off events. [2022-12-13 11:17:41,294 INFO L131 PetriNetUnfolder]: For 20331/20331 co-relation queries the response was YES. [2022-12-13 11:17:41,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149715 conditions, 80511 events. 48733/80511 cut-off events. For 20331/20331 co-relation queries the response was YES. Maximal size of possible extension queue 3236. Compared 776890 event pairs, 38819 based on Foata normal form. 16228/86888 useless extension candidates. Maximal degree in co-relation 24308. Up to 59908 conditions per place. [2022-12-13 11:17:41,895 INFO L137 encePairwiseOnDemand]: 262/298 looper letters, 34 selfloop transitions, 0 changer transitions 0/95 dead transitions. [2022-12-13 11:17:41,895 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 95 transitions, 303 flow [2022-12-13 11:17:41,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:17:41,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 11:17:41,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 324 transitions. [2022-12-13 11:17:41,898 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5436241610738255 [2022-12-13 11:17:41,898 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 324 transitions. [2022-12-13 11:17:41,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 324 transitions. [2022-12-13 11:17:41,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:17:41,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 324 transitions. [2022-12-13 11:17:41,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 162.0) internal successors, (324), 2 states have internal predecessors, (324), 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 11:17:41,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 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 11:17:41,901 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 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 11:17:41,901 INFO L175 Difference]: Start difference. First operand has 137 places, 131 transitions, 307 flow. Second operand 2 states and 324 transitions. [2022-12-13 11:17:41,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 95 transitions, 303 flow [2022-12-13 11:17:41,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 95 transitions, 283 flow, removed 10 selfloop flow, removed 0 redundant places. [2022-12-13 11:17:41,918 INFO L231 Difference]: Finished difference. Result has 102 places, 95 transitions, 215 flow [2022-12-13 11:17:41,918 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=215, PETRI_PLACES=102, PETRI_TRANSITIONS=95} [2022-12-13 11:17:41,918 INFO L288 CegarLoopForPetriNet]: 137 programPoint places, -35 predicate places. [2022-12-13 11:17:41,918 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 95 transitions, 215 flow [2022-12-13 11:17:41,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 129.0) internal successors, (258), 2 states have internal predecessors, (258), 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 11:17:41,919 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:17:41,919 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 11:17:41,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 11:17:41,919 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-12-13 11:17:41,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:17:41,919 INFO L85 PathProgramCache]: Analyzing trace with hash -443486787, now seen corresponding path program 1 times [2022-12-13 11:17:41,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:17:41,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832795893] [2022-12-13 11:17:41,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:17:41,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:17:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:17:41,935 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 11:17:41,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:17:41,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832795893] [2022-12-13 11:17:41,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832795893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:17:41,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:17:41,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:17:41,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359232707] [2022-12-13 11:17:41,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:17:41,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:17:41,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:17:41,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:17:41,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:17:41,972 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 298 [2022-12-13 11:17:41,972 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 95 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 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 11:17:41,973 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:17:41,973 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 298 [2022-12-13 11:17:41,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand