./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8 --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 a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 --- 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-e04fb08 [2022-11-16 11:43:24,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:43:24,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:43:24,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:43:24,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:43:24,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:43:24,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:43:24,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:43:24,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:43:24,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:43:24,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:43:24,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:43:24,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:43:24,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:43:24,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:43:24,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:43:24,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:43:24,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:43:24,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:43:24,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:43:24,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:43:24,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:43:24,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:43:24,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:43:24,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:43:24,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:43:24,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:43:24,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:43:24,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:43:24,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:43:24,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:43:24,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:43:24,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:43:24,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:43:24,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:43:24,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:43:24,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:43:24,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:43:24,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:43:24,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:43:24,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:43:24,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:43:24,340 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:43:24,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:43:24,341 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:43:24,342 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:43:24,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:43:24,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:43:24,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:43:24,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:43:24,344 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:43:24,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:43:24,345 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:43:24,345 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:43:24,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:43:24,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:43:24,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:43:24,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:43:24,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:43:24,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:43:24,347 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:43:24,347 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:43:24,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:43:24,348 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:43:24,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:43:24,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:43:24,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:43:24,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:43:24,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:43:24,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:43:24,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:43:24,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:43:24,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:43:24,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:43:24,351 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:43:24,351 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:43:24,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:43:24,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 [2022-11-16 11:43:24,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:43:24,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:43:24,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:43:24,722 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:43:24,723 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:43:24,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i [2022-11-16 11:43:24,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/data/667de1b4d/7ab544193ead4078849c66eb0b563d2a/FLAG0496f75c1 [2022-11-16 11:43:25,537 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:43:25,538 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i [2022-11-16 11:43:25,551 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/data/667de1b4d/7ab544193ead4078849c66eb0b563d2a/FLAG0496f75c1 [2022-11-16 11:43:25,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/data/667de1b4d/7ab544193ead4078849c66eb0b563d2a [2022-11-16 11:43:25,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:43:25,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:43:25,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:43:25,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:43:25,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:43:25,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:25" (1/1) ... [2022-11-16 11:43:25,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@acc56b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:25, skipping insertion in model container [2022-11-16 11:43:25,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:25" (1/1) ... [2022-11-16 11:43:25,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:43:25,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:43:26,107 WARN L229 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_d7ca89f6-6747-47c6-9b21-516636c334ff/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30454,30467] [2022-11-16 11:43:26,110 WARN L229 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_d7ca89f6-6747-47c6-9b21-516636c334ff/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30634,30647] [2022-11-16 11:43:26,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:43:26,135 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:43:26,198 WARN L229 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_d7ca89f6-6747-47c6-9b21-516636c334ff/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30454,30467] [2022-11-16 11:43:26,200 WARN L229 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_d7ca89f6-6747-47c6-9b21-516636c334ff/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30634,30647] [2022-11-16 11:43:26,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:43:26,267 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:43:26,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26 WrapperNode [2022-11-16 11:43:26,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:43:26,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:43:26,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:43:26,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:43:26,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (1/1) ... [2022-11-16 11:43:26,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (1/1) ... [2022-11-16 11:43:26,345 INFO L138 Inliner]: procedures = 172, calls = 24, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 219 [2022-11-16 11:43:26,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:43:26,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:43:26,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:43:26,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:43:26,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (1/1) ... [2022-11-16 11:43:26,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (1/1) ... [2022-11-16 11:43:26,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (1/1) ... [2022-11-16 11:43:26,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (1/1) ... [2022-11-16 11:43:26,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (1/1) ... [2022-11-16 11:43:26,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (1/1) ... [2022-11-16 11:43:26,375 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (1/1) ... [2022-11-16 11:43:26,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (1/1) ... [2022-11-16 11:43:26,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:43:26,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:43:26,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:43:26,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:43:26,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (1/1) ... [2022-11-16 11:43:26,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:43:26,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:43:26,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:43:26,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7ca89f6-6747-47c6-9b21-516636c334ff/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:43:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-16 11:43:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-16 11:43:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2022-11-16 11:43:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2022-11-16 11:43:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-16 11:43:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-16 11:43:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:43:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:43:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:43:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:43:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:43:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:43:26,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:43:26,508 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:43:26,717 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:43:26,729 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:43:27,241 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:43:27,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:43:27,458 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:43:27,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:27 BoogieIcfgContainer [2022-11-16 11:43:27,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:43:27,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:43:27,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:43:27,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:43:27,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:43:25" (1/3) ... [2022-11-16 11:43:27,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc16c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:27, skipping insertion in model container [2022-11-16 11:43:27,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:26" (2/3) ... [2022-11-16 11:43:27,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc16c99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:27, skipping insertion in model container [2022-11-16 11:43:27,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:27" (3/3) ... [2022-11-16 11:43:27,477 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2022-11-16 11:43:27,489 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:43:27,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:43:27,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-16 11:43:27,502 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:43:27,606 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:43:27,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 161 transitions, 337 flow [2022-11-16 11:43:27,778 INFO L130 PetriNetUnfolder]: 9/170 cut-off events. [2022-11-16 11:43:27,778 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:43:27,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 170 events. 9/170 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 431 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 153. Up to 4 conditions per place. [2022-11-16 11:43:27,788 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 161 transitions, 337 flow [2022-11-16 11:43:27,797 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 160 places, 159 transitions, 329 flow [2022-11-16 11:43:27,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:43:27,827 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;@28871d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:43:27,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2022-11-16 11:43:27,837 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-16 11:43:27,837 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:43:27,838 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:27,838 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:27,839 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-16 11:43:27,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:27,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1184170941, now seen corresponding path program 1 times [2022-11-16 11:43:27,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:27,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726288694] [2022-11-16 11:43:27,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:27,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:28,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:28,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726288694] [2022-11-16 11:43:28,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726288694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:28,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:28,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 11:43:28,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929716661] [2022-11-16 11:43:28,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:28,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:43:28,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:28,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:43:28,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:43:28,143 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 161 [2022-11-16 11:43:28,148 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 159 transitions, 329 flow. Second operand has 2 states, 2 states have (on average 127.0) internal successors, (254), 2 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:28,148 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:28,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 161 [2022-11-16 11:43:28,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:28,397 INFO L130 PetriNetUnfolder]: 101/658 cut-off events. [2022-11-16 11:43:28,397 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-11-16 11:43:28,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 826 conditions, 658 events. 101/658 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3953 event pairs, 64 based on Foata normal form. 109/630 useless extension candidates. Maximal degree in co-relation 796. Up to 139 conditions per place. [2022-11-16 11:43:28,417 INFO L137 encePairwiseOnDemand]: 139/161 looper letters, 11 selfloop transitions, 0 changer transitions 0/128 dead transitions. [2022-11-16 11:43:28,417 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 128 transitions, 289 flow [2022-11-16 11:43:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:43:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-16 11:43:28,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 285 transitions. [2022-11-16 11:43:28,438 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8850931677018633 [2022-11-16 11:43:28,439 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 285 transitions. [2022-11-16 11:43:28,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 285 transitions. [2022-11-16 11:43:28,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:28,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 285 transitions. [2022-11-16 11:43:28,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 142.5) internal successors, (285), 2 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:28,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:28,454 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:28,457 INFO L175 Difference]: Start difference. First operand has 160 places, 159 transitions, 329 flow. Second operand 2 states and 285 transitions. [2022-11-16 11:43:28,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 128 transitions, 289 flow [2022-11-16 11:43:28,462 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 128 transitions, 287 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:43:28,466 INFO L231 Difference]: Finished difference. Result has 132 places, 128 transitions, 265 flow [2022-11-16 11:43:28,468 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=265, PETRI_PLACES=132, PETRI_TRANSITIONS=128} [2022-11-16 11:43:28,473 INFO L288 CegarLoopForPetriNet]: 160 programPoint places, -28 predicate places. [2022-11-16 11:43:28,473 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 128 transitions, 265 flow [2022-11-16 11:43:28,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 127.0) internal successors, (254), 2 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:28,474 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:28,474 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:28,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:43:28,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-16 11:43:28,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:28,476 INFO L85 PathProgramCache]: Analyzing trace with hash -657999673, now seen corresponding path program 1 times [2022-11-16 11:43:28,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:28,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048743298] [2022-11-16 11:43:28,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:28,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:28,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:28,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:28,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048743298] [2022-11-16 11:43:28,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048743298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:28,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:28,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:43:28,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050183016] [2022-11-16 11:43:28,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:28,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:43:28,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:28,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:43:28,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:43:28,593 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2022-11-16 11:43:28,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 128 transitions, 265 flow. Second operand has 3 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) [2022-11-16 11:43:28,594 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:28,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2022-11-16 11:43:28,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:29,588 INFO L130 PetriNetUnfolder]: 1448/4585 cut-off events. [2022-11-16 11:43:29,588 INFO L131 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2022-11-16 11:43:29,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6775 conditions, 4585 events. 1448/4585 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 43994 event pairs, 712 based on Foata normal form. 0/3672 useless extension candidates. Maximal degree in co-relation 6771. Up to 1590 conditions per place. [2022-11-16 11:43:29,648 INFO L137 encePairwiseOnDemand]: 154/161 looper letters, 38 selfloop transitions, 6 changer transitions 0/147 dead transitions. [2022-11-16 11:43:29,649 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 147 transitions, 396 flow [2022-11-16 11:43:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:43:29,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:43:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 381 transitions. [2022-11-16 11:43:29,656 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7888198757763976 [2022-11-16 11:43:29,656 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 381 transitions. [2022-11-16 11:43:29,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 381 transitions. [2022-11-16 11:43:29,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:29,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 381 transitions. [2022-11-16 11:43:29,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:29,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:29,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:29,665 INFO L175 Difference]: Start difference. First operand has 132 places, 128 transitions, 265 flow. Second operand 3 states and 381 transitions. [2022-11-16 11:43:29,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 147 transitions, 396 flow [2022-11-16 11:43:29,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 147 transitions, 396 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:43:29,673 INFO L231 Difference]: Finished difference. Result has 136 places, 133 transitions, 311 flow [2022-11-16 11:43:29,673 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=136, PETRI_TRANSITIONS=133} [2022-11-16 11:43:29,675 INFO L288 CegarLoopForPetriNet]: 160 programPoint places, -24 predicate places. [2022-11-16 11:43:29,675 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 133 transitions, 311 flow [2022-11-16 11:43:29,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2022-11-16 11:43:29,676 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:29,676 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:29,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:43:29,678 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-16 11:43:29,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:29,679 INFO L85 PathProgramCache]: Analyzing trace with hash -2015762744, now seen corresponding path program 1 times [2022-11-16 11:43:29,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:29,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971243359] [2022-11-16 11:43:29,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:29,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:29,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:29,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971243359] [2022-11-16 11:43:29,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971243359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:29,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:29,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:43:29,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645696062] [2022-11-16 11:43:29,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:29,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:43:29,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:29,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:43:29,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:43:29,838 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2022-11-16 11:43:29,839 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 133 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:29,839 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:29,839 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2022-11-16 11:43:29,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:30,902 INFO L130 PetriNetUnfolder]: 1624/5847 cut-off events. [2022-11-16 11:43:30,902 INFO L131 PetriNetUnfolder]: For 1082/1117 co-relation queries the response was YES. [2022-11-16 11:43:30,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9521 conditions, 5847 events. 1624/5847 cut-off events. For 1082/1117 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 60288 event pairs, 544 based on Foata normal form. 0/4868 useless extension candidates. Maximal degree in co-relation 9515. Up to 1321 conditions per place. [2022-11-16 11:43:30,989 INFO L137 encePairwiseOnDemand]: 153/161 looper letters, 41 selfloop transitions, 9 changer transitions 0/156 dead transitions. [2022-11-16 11:43:30,989 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 156 transitions, 490 flow [2022-11-16 11:43:30,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:43:30,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:43:30,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2022-11-16 11:43:30,991 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7991718426501035 [2022-11-16 11:43:30,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 386 transitions. [2022-11-16 11:43:30,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 386 transitions. [2022-11-16 11:43:30,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:30,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 386 transitions. [2022-11-16 11:43:30,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:30,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:30,996 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:30,996 INFO L175 Difference]: Start difference. First operand has 136 places, 133 transitions, 311 flow. Second operand 3 states and 386 transitions. [2022-11-16 11:43:30,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 156 transitions, 490 flow [2022-11-16 11:43:31,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 156 transitions, 468 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:43:31,008 INFO L231 Difference]: Finished difference. Result has 138 places, 142 transitions, 389 flow [2022-11-16 11:43:31,009 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=138, PETRI_TRANSITIONS=142} [2022-11-16 11:43:31,010 INFO L288 CegarLoopForPetriNet]: 160 programPoint places, -22 predicate places. [2022-11-16 11:43:31,010 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 142 transitions, 389 flow [2022-11-16 11:43:31,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:31,011 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:31,011 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:31,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:43:31,011 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-16 11:43:31,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:31,012 INFO L85 PathProgramCache]: Analyzing trace with hash 154914635, now seen corresponding path program 1 times [2022-11-16 11:43:31,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:31,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065827035] [2022-11-16 11:43:31,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:31,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:31,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:31,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065827035] [2022-11-16 11:43:31,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065827035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:31,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:31,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:43:31,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267971697] [2022-11-16 11:43:31,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:31,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:43:31,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:31,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:43:31,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:43:31,070 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2022-11-16 11:43:31,071 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 142 transitions, 389 flow. Second operand has 3 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) [2022-11-16 11:43:31,071 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:31,071 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2022-11-16 11:43:31,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:32,789 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([755] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][148], [thr3Thread1of1ForFork1InUse, 24#L740-4true, 140#L729-3true, Black: 174#true, thr2Thread1of1ForFork2InUse, 88#L723-6true, 165#true, 180#true, 98#L716-1true, 176#(= |#race~g0~0| 0), Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:32,789 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-16 11:43:32,790 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:43:32,790 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-16 11:43:32,790 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-16 11:43:32,832 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([701] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][51], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 174#true, 165#true, 180#true, 64#L723-7true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 176#(= |#race~g0~0| 0), 82#L718-1true, 89#L730true, thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:32,833 INFO L383 tUnfolder$Statistics]: this new event has 75 ancestors and is cut-off event [2022-11-16 11:43:32,833 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 11:43:32,833 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 11:43:32,834 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 11:43:32,885 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([701] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][51], [thr3Thread1of1ForFork1InUse, 24#L740-4true, 42#L730-2true, thr2Thread1of1ForFork2InUse, Black: 174#true, 165#true, 180#true, 64#L723-7true, 82#L718-1true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 176#(= |#race~g0~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:32,885 INFO L383 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-11-16 11:43:32,885 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 11:43:32,885 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:43:32,886 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 11:43:33,104 INFO L130 PetriNetUnfolder]: 4331/12400 cut-off events. [2022-11-16 11:43:33,105 INFO L131 PetriNetUnfolder]: For 1164/1489 co-relation queries the response was YES. [2022-11-16 11:43:33,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20589 conditions, 12400 events. 4331/12400 cut-off events. For 1164/1489 co-relation queries the response was YES. Maximal size of possible extension queue 537. Compared 136319 event pairs, 2087 based on Foata normal form. 14/10006 useless extension candidates. Maximal degree in co-relation 20582. Up to 4916 conditions per place. [2022-11-16 11:43:33,251 INFO L137 encePairwiseOnDemand]: 154/161 looper letters, 38 selfloop transitions, 6 changer transitions 0/161 dead transitions. [2022-11-16 11:43:33,251 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 161 transitions, 520 flow [2022-11-16 11:43:33,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:43:33,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:43:33,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 381 transitions. [2022-11-16 11:43:33,253 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7888198757763976 [2022-11-16 11:43:33,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 381 transitions. [2022-11-16 11:43:33,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 381 transitions. [2022-11-16 11:43:33,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:33,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 381 transitions. [2022-11-16 11:43:33,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:33,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:33,257 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:33,257 INFO L175 Difference]: Start difference. First operand has 138 places, 142 transitions, 389 flow. Second operand 3 states and 381 transitions. [2022-11-16 11:43:33,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 161 transitions, 520 flow [2022-11-16 11:43:33,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 161 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:43:33,264 INFO L231 Difference]: Finished difference. Result has 140 places, 147 transitions, 417 flow [2022-11-16 11:43:33,264 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=417, PETRI_PLACES=140, PETRI_TRANSITIONS=147} [2022-11-16 11:43:33,265 INFO L288 CegarLoopForPetriNet]: 160 programPoint places, -20 predicate places. [2022-11-16 11:43:33,265 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 147 transitions, 417 flow [2022-11-16 11:43:33,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2022-11-16 11:43:33,266 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:33,266 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:33,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:43:33,267 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-16 11:43:33,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:33,268 INFO L85 PathProgramCache]: Analyzing trace with hash -117723094, now seen corresponding path program 1 times [2022-11-16 11:43:33,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:33,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092932912] [2022-11-16 11:43:33,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:33,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:33,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:33,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:33,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092932912] [2022-11-16 11:43:33,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092932912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:33,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:33,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:43:33,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960019670] [2022-11-16 11:43:33,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:33,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:43:33,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:33,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:43:33,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:43:33,314 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2022-11-16 11:43:33,314 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 147 transitions, 417 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:33,315 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:33,315 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2022-11-16 11:43:33,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:34,909 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [130#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:34,910 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-16 11:43:34,910 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:43:34,910 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 11:43:34,910 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 11:43:34,919 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 103#L729-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:34,919 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-16 11:43:34,919 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 11:43:34,920 INFO L386 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-11-16 11:43:34,920 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:43:35,091 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [130#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,092 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-16 11:43:35,098 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 11:43:35,098 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,099 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:43:35,108 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([755] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][155], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 88#L723-6true, 186#true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 140#L729-3true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 98#L716-1true, thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,108 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,109 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-16 11:43:35,109 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-16 11:43:35,109 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,111 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,112 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-16 11:43:35,112 INFO L386 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-11-16 11:43:35,112 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,112 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 11:43:35,113 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, 96#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,114 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-16 11:43:35,114 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,114 INFO L386 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-11-16 11:43:35,114 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 11:43:35,115 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), Black: 174#true, 165#true, Black: 180#true, 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,116 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-16 11:43:35,116 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 11:43:35,116 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,116 INFO L386 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-11-16 11:43:35,209 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 82#L718-1true, 89#L730true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,210 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-16 11:43:35,210 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 11:43:35,210 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:43:35,210 INFO L386 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2022-11-16 11:43:35,262 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 103#L729-7true, 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,262 INFO L383 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-11-16 11:43:35,262 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-16 11:43:35,263 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:43:35,263 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:43:35,289 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [130#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, thr3Thread1of1ForFork1InUse, 24#L740-4true, 8#L723-14true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,289 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-16 11:43:35,289 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 11:43:35,290 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:43:35,290 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-16 11:43:35,299 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 42#L730-2true, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 165#true, 180#true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,299 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-16 11:43:35,299 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-16 11:43:35,299 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-16 11:43:35,300 INFO L386 tUnfolder$Statistics]: existing Event has 70 ancestors and is cut-off event [2022-11-16 11:43:35,341 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 165#true, 180#true, 7#L729-8true, 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,342 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,342 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-16 11:43:35,342 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,343 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,347 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 103#L729-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,348 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,348 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-16 11:43:35,348 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,349 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,352 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, 96#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,352 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,353 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-16 11:43:35,353 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,353 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,354 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), Black: 174#true, 165#true, Black: 180#true, 7#L729-8true, 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,354 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,354 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,355 INFO L386 tUnfolder$Statistics]: existing Event has 63 ancestors and is cut-off event [2022-11-16 11:43:35,355 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,416 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 64#L723-7true, 82#L718-1true, 89#L730true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,417 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-16 11:43:35,417 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 11:43:35,417 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:43:35,418 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:43:35,420 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 165#true, 180#true, 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,421 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-16 11:43:35,421 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 11:43:35,421 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:43:35,421 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:43:35,426 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, 96#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,427 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-16 11:43:35,427 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:43:35,427 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:43:35,428 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 11:43:35,429 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), Black: 174#true, 165#true, Black: 180#true, 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,429 INFO L383 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2022-11-16 11:43:35,430 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 11:43:35,430 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:43:35,430 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:43:35,448 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [130#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 73#L723-4true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,449 INFO L383 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2022-11-16 11:43:35,449 INFO L386 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2022-11-16 11:43:35,449 INFO L386 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-11-16 11:43:35,449 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,482 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 82#L718-1true, 188#(= |#race~g1~0| 0), 89#L730true, thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,482 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-16 11:43:35,482 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-16 11:43:35,483 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 11:43:35,483 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-16 11:43:35,484 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 42#L730-2true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 64#L723-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,484 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-16 11:43:35,484 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-16 11:43:35,484 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 11:43:35,485 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-16 11:43:35,490 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 103#L729-7true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,491 INFO L383 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2022-11-16 11:43:35,491 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-16 11:43:35,491 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 11:43:35,491 INFO L386 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2022-11-16 11:43:35,532 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 42#L730-2true, 24#L740-4true, thr2Thread1of1ForFork2InUse, 99#L723-8true, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,533 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-16 11:43:35,533 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,533 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,533 INFO L386 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-11-16 11:43:35,535 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 165#true, 180#true, 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,535 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-16 11:43:35,536 INFO L386 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-11-16 11:43:35,536 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,536 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,540 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, 180#true, 96#thr1Err3ASSERT_VIOLATIONDATA_RACEtrue, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,541 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-16 11:43:35,541 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,541 INFO L386 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-11-16 11:43:35,541 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,542 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), Black: 174#true, 165#true, Black: 180#true, 7#L729-8true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,542 INFO L383 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2022-11-16 11:43:35,542 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,543 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:43:35,543 INFO L386 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2022-11-16 11:43:35,569 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 82#L718-1true, 188#(= |#race~g1~0| 0), 89#L730true, thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,569 INFO L383 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2022-11-16 11:43:35,570 INFO L386 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2022-11-16 11:43:35,570 INFO L386 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-11-16 11:43:35,570 INFO L386 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-11-16 11:43:35,596 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([741] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|) (= v_~mutex~0_250 0) (= |v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0))) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_15|, thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1_15|, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, #race~mutex~0=|v_#race~mutex~0_321|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of1ForFork1___VERIFIER_atomic_release_#t~nondet4#1, thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~mutex~0, ~mutex~0][127], [thr3Thread1of1ForFork1InUse, 8#L723-14true, 42#L730-2true, 24#L740-4true, thr2Thread1of1ForFork2InUse, Black: 170#(= |thr1Thread1of1ForFork0_#t~nondet11#1| |#race~g0~0|), Black: 174#true, 165#true, Black: 182#(= |thr1Thread1of1ForFork0_#t~nondet12#1| |#race~g1~0|), 180#true, 82#L718-1true, 188#(= |#race~g1~0| 0), thr1Thread1of1ForFork0InUse]) [2022-11-16 11:43:35,597 INFO L383 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2022-11-16 11:43:35,597 INFO L386 tUnfolder$Statistics]: existing Event has 68 ancestors and is cut-off event [2022-11-16 11:43:35,597 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 11:43:35,597 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 11:43:35,707 INFO L130 PetriNetUnfolder]: 5040/15833 cut-off events. [2022-11-16 11:43:35,707 INFO L131 PetriNetUnfolder]: For 4082/5475 co-relation queries the response was YES. [2022-11-16 11:43:35,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29087 conditions, 15833 events. 5040/15833 cut-off events. For 4082/5475 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 184944 event pairs, 1178 based on Foata normal form. 17/13297 useless extension candidates. Maximal degree in co-relation 29079. Up to 3977 conditions per place. [2022-11-16 11:43:35,900 INFO L137 encePairwiseOnDemand]: 153/161 looper letters, 41 selfloop transitions, 9 changer transitions 0/170 dead transitions. [2022-11-16 11:43:35,901 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 170 transitions, 596 flow [2022-11-16 11:43:35,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:43:35,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:43:35,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2022-11-16 11:43:35,903 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7991718426501035 [2022-11-16 11:43:35,903 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 386 transitions. [2022-11-16 11:43:35,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 386 transitions. [2022-11-16 11:43:35,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:35,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 386 transitions. [2022-11-16 11:43:35,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:35,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:35,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:35,908 INFO L175 Difference]: Start difference. First operand has 140 places, 147 transitions, 417 flow. Second operand 3 states and 386 transitions. [2022-11-16 11:43:35,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 170 transitions, 596 flow [2022-11-16 11:43:35,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 170 transitions, 574 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:43:35,957 INFO L231 Difference]: Finished difference. Result has 142 places, 156 transitions, 495 flow [2022-11-16 11:43:35,957 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=495, PETRI_PLACES=142, PETRI_TRANSITIONS=156} [2022-11-16 11:43:35,962 INFO L288 CegarLoopForPetriNet]: 160 programPoint places, -18 predicate places. [2022-11-16 11:43:35,962 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 156 transitions, 495 flow [2022-11-16 11:43:35,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:35,963 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:35,963 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:35,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:43:35,963 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-16 11:43:35,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:35,965 INFO L85 PathProgramCache]: Analyzing trace with hash 242752922, now seen corresponding path program 1 times [2022-11-16 11:43:35,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:35,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200803345] [2022-11-16 11:43:35,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:35,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:36,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:36,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200803345] [2022-11-16 11:43:36,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200803345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:36,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:36,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:43:36,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770624866] [2022-11-16 11:43:36,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:36,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:43:36,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:36,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:43:36,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:43:36,226 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 161 [2022-11-16 11:43:36,227 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 156 transitions, 495 flow. Second operand has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:36,227 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:36,228 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 161 [2022-11-16 11:43:36,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:36,330 INFO L130 PetriNetUnfolder]: 54/657 cut-off events. [2022-11-16 11:43:36,331 INFO L131 PetriNetUnfolder]: For 117/117 co-relation queries the response was YES. [2022-11-16 11:43:36,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1027 conditions, 657 events. 54/657 cut-off events. For 117/117 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3828 event pairs, 8 based on Foata normal form. 51/644 useless extension candidates. Maximal degree in co-relation 1018. Up to 60 conditions per place. [2022-11-16 11:43:36,336 INFO L137 encePairwiseOnDemand]: 153/161 looper letters, 6 selfloop transitions, 8 changer transitions 0/132 dead transitions. [2022-11-16 11:43:36,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 132 transitions, 394 flow [2022-11-16 11:43:36,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:43:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:43:36,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2022-11-16 11:43:36,338 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8136645962732919 [2022-11-16 11:43:36,338 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 393 transitions. [2022-11-16 11:43:36,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 393 transitions. [2022-11-16 11:43:36,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:36,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 393 transitions. [2022-11-16 11:43:36,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:36,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:36,343 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:36,343 INFO L175 Difference]: Start difference. First operand has 142 places, 156 transitions, 495 flow. Second operand 3 states and 393 transitions. [2022-11-16 11:43:36,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 132 transitions, 394 flow [2022-11-16 11:43:36,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 132 transitions, 338 flow, removed 18 selfloop flow, removed 6 redundant places. [2022-11-16 11:43:36,348 INFO L231 Difference]: Finished difference. Result has 132 places, 130 transitions, 317 flow [2022-11-16 11:43:36,349 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=317, PETRI_PLACES=132, PETRI_TRANSITIONS=130} [2022-11-16 11:43:36,349 INFO L288 CegarLoopForPetriNet]: 160 programPoint places, -28 predicate places. [2022-11-16 11:43:36,350 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 130 transitions, 317 flow [2022-11-16 11:43:36,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.66666666666667) internal successors, (380), 3 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:36,350 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:36,351 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:36,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:43:36,351 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-16 11:43:36,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:36,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1110561393, now seen corresponding path program 1 times [2022-11-16 11:43:36,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:36,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047188391] [2022-11-16 11:43:36,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:36,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:36,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:36,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047188391] [2022-11-16 11:43:36,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047188391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:36,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:36,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:43:36,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205039998] [2022-11-16 11:43:36,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:36,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:43:36,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:36,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:43:36,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:43:36,391 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 161 [2022-11-16 11:43:36,391 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 130 transitions, 317 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:36,392 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:36,392 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 161 [2022-11-16 11:43:36,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:36,642 INFO L130 PetriNetUnfolder]: 410/1720 cut-off events. [2022-11-16 11:43:36,642 INFO L131 PetriNetUnfolder]: For 246/247 co-relation queries the response was YES. [2022-11-16 11:43:36,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2990 conditions, 1720 events. 410/1720 cut-off events. For 246/247 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 12878 event pairs, 148 based on Foata normal form. 0/1501 useless extension candidates. Maximal degree in co-relation 2983. Up to 517 conditions per place. [2022-11-16 11:43:36,656 INFO L137 encePairwiseOnDemand]: 155/161 looper letters, 33 selfloop transitions, 5 changer transitions 0/146 dead transitions. [2022-11-16 11:43:36,656 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 146 transitions, 442 flow [2022-11-16 11:43:36,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:43:36,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:43:36,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2022-11-16 11:43:36,658 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7950310559006211 [2022-11-16 11:43:36,658 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 384 transitions. [2022-11-16 11:43:36,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 384 transitions. [2022-11-16 11:43:36,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:36,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 384 transitions. [2022-11-16 11:43:36,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:36,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:36,661 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:36,662 INFO L175 Difference]: Start difference. First operand has 132 places, 130 transitions, 317 flow. Second operand 3 states and 384 transitions. [2022-11-16 11:43:36,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 146 transitions, 442 flow [2022-11-16 11:43:36,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 146 transitions, 428 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:43:36,666 INFO L231 Difference]: Finished difference. Result has 135 places, 134 transitions, 347 flow [2022-11-16 11:43:36,666 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=309, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=347, PETRI_PLACES=135, PETRI_TRANSITIONS=134} [2022-11-16 11:43:36,667 INFO L288 CegarLoopForPetriNet]: 160 programPoint places, -25 predicate places. [2022-11-16 11:43:36,667 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 134 transitions, 347 flow [2022-11-16 11:43:36,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:36,668 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:36,668 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:36,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:43:36,668 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-16 11:43:36,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:36,669 INFO L85 PathProgramCache]: Analyzing trace with hash 721996176, now seen corresponding path program 1 times [2022-11-16 11:43:36,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:36,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322391014] [2022-11-16 11:43:36,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:36,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:43:36,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:43:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:43:36,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:43:36,737 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:43:36,739 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 59 remaining) [2022-11-16 11:43:36,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2022-11-16 11:43:36,741 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2022-11-16 11:43:36,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2022-11-16 11:43:36,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2022-11-16 11:43:36,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2022-11-16 11:43:36,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2022-11-16 11:43:36,742 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err0ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2022-11-16 11:43:36,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err1ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2022-11-16 11:43:36,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err5ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2022-11-16 11:43:36,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err6ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2022-11-16 11:43:36,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err7ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2022-11-16 11:43:36,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err8ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2022-11-16 11:43:36,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err2ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2022-11-16 11:43:36,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err9ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2022-11-16 11:43:36,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err13ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2022-11-16 11:43:36,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err14ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2022-11-16 11:43:36,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err3ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2022-11-16 11:43:36,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err10ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2022-11-16 11:43:36,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err11ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2022-11-16 11:43:36,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err4ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2022-11-16 11:43:36,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err12ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2022-11-16 11:43:36,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2022-11-16 11:43:36,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2022-11-16 11:43:36,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2022-11-16 11:43:36,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2022-11-16 11:43:36,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2022-11-16 11:43:36,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2022-11-16 11:43:36,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2022-11-16 11:43:36,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 59 remaining) [2022-11-16 11:43:36,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 59 remaining) [2022-11-16 11:43:36,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2022-11-16 11:43:36,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2022-11-16 11:43:36,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2022-11-16 11:43:36,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining) [2022-11-16 11:43:36,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining) [2022-11-16 11:43:36,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2022-11-16 11:43:36,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err0ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2022-11-16 11:43:36,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err1ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2022-11-16 11:43:36,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err5ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2022-11-16 11:43:36,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err6ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2022-11-16 11:43:36,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err7ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2022-11-16 11:43:36,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err8ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2022-11-16 11:43:36,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err2ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2022-11-16 11:43:36,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err9ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2022-11-16 11:43:36,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err13ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2022-11-16 11:43:36,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err14ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2022-11-16 11:43:36,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err3ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2022-11-16 11:43:36,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err10ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2022-11-16 11:43:36,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err11ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2022-11-16 11:43:36,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err4ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2022-11-16 11:43:36,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err12ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2022-11-16 11:43:36,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2022-11-16 11:43:36,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2022-11-16 11:43:36,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2022-11-16 11:43:36,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2022-11-16 11:43:36,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2022-11-16 11:43:36,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2022-11-16 11:43:36,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2022-11-16 11:43:36,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:43:36,756 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:36,759 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-16 11:43:36,759 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-16 11:43:36,807 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 11:43:36,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 278 places, 278 transitions, 592 flow [2022-11-16 11:43:36,853 INFO L130 PetriNetUnfolder]: 14/249 cut-off events. [2022-11-16 11:43:36,854 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 11:43:36,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 249 events. 14/249 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 826 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 260. Up to 6 conditions per place. [2022-11-16 11:43:36,857 INFO L82 GeneralOperation]: Start removeDead. Operand has 278 places, 278 transitions, 592 flow [2022-11-16 11:43:36,862 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 225 transitions, 468 flow [2022-11-16 11:43:36,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:43:36,864 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;@28871d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:43:36,864 INFO L358 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2022-11-16 11:43:36,866 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-16 11:43:36,866 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:43:36,867 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:36,867 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:36,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-16 11:43:36,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:36,868 INFO L85 PathProgramCache]: Analyzing trace with hash -103352459, now seen corresponding path program 1 times [2022-11-16 11:43:36,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:36,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907619099] [2022-11-16 11:43:36,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:36,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:36,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:36,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907619099] [2022-11-16 11:43:36,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907619099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:36,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:36,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 11:43:36,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027241488] [2022-11-16 11:43:36,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:36,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:43:36,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:36,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:43:36,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:43:36,895 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 278 [2022-11-16 11:43:36,897 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 225 transitions, 468 flow. Second operand has 2 states, 2 states have (on average 211.0) internal successors, (422), 2 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:36,898 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:36,898 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 278 [2022-11-16 11:43:36,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:37,584 INFO L130 PetriNetUnfolder]: 828/4174 cut-off events. [2022-11-16 11:43:37,584 INFO L131 PetriNetUnfolder]: For 148/148 co-relation queries the response was YES. [2022-11-16 11:43:37,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5259 conditions, 4174 events. 828/4174 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 42390 event pairs, 544 based on Foata normal form. 615/3928 useless extension candidates. Maximal degree in co-relation 5228. Up to 919 conditions per place. [2022-11-16 11:43:37,643 INFO L137 encePairwiseOnDemand]: 247/278 looper letters, 16 selfloop transitions, 0 changer transitions 0/184 dead transitions. [2022-11-16 11:43:37,643 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 184 transitions, 418 flow [2022-11-16 11:43:37,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:43:37,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-16 11:43:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 467 transitions. [2022-11-16 11:43:37,645 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8399280575539568 [2022-11-16 11:43:37,645 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 467 transitions. [2022-11-16 11:43:37,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 467 transitions. [2022-11-16 11:43:37,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:37,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 467 transitions. [2022-11-16 11:43:37,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 233.5) internal successors, (467), 2 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:37,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:37,648 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:37,648 INFO L175 Difference]: Start difference. First operand has 224 places, 225 transitions, 468 flow. Second operand 2 states and 467 transitions. [2022-11-16 11:43:37,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 184 transitions, 418 flow [2022-11-16 11:43:37,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 184 transitions, 414 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-16 11:43:37,652 INFO L231 Difference]: Finished difference. Result has 187 places, 184 transitions, 382 flow [2022-11-16 11:43:37,653 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=382, PETRI_PLACES=187, PETRI_TRANSITIONS=184} [2022-11-16 11:43:37,654 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -37 predicate places. [2022-11-16 11:43:37,655 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 184 transitions, 382 flow [2022-11-16 11:43:37,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 211.0) internal successors, (422), 2 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:37,655 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:37,655 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:37,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:43:37,656 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-16 11:43:37,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:37,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1070142215, now seen corresponding path program 1 times [2022-11-16 11:43:37,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:37,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560769217] [2022-11-16 11:43:37,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:37,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:37,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:37,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560769217] [2022-11-16 11:43:37,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560769217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:37,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:37,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:43:37,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936781565] [2022-11-16 11:43:37,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:37,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:43:37,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:37,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:43:37,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:43:37,708 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 278 [2022-11-16 11:43:37,709 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 184 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:37,709 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:37,709 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 278 [2022-11-16 11:43:37,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:44,799 INFO L130 PetriNetUnfolder]: 24792/64396 cut-off events. [2022-11-16 11:43:44,799 INFO L131 PetriNetUnfolder]: For 2018/2018 co-relation queries the response was YES. [2022-11-16 11:43:45,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97394 conditions, 64396 events. 24792/64396 cut-off events. For 2018/2018 co-relation queries the response was YES. Maximal size of possible extension queue 2456. Compared 844203 event pairs, 13489 based on Foata normal form. 0/50259 useless extension candidates. Maximal degree in co-relation 97389. Up to 24503 conditions per place. [2022-11-16 11:43:45,614 INFO L137 encePairwiseOnDemand]: 269/278 looper letters, 58 selfloop transitions, 8 changer transitions 0/214 dead transitions. [2022-11-16 11:43:45,614 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 214 transitions, 584 flow [2022-11-16 11:43:45,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:43:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:43:45,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 619 transitions. [2022-11-16 11:43:45,618 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7422062350119905 [2022-11-16 11:43:45,618 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 619 transitions. [2022-11-16 11:43:45,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 619 transitions. [2022-11-16 11:43:45,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:45,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 619 transitions. [2022-11-16 11:43:45,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:45,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:45,625 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:45,625 INFO L175 Difference]: Start difference. First operand has 187 places, 184 transitions, 382 flow. Second operand 3 states and 619 transitions. [2022-11-16 11:43:45,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 214 transitions, 584 flow [2022-11-16 11:43:45,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 214 transitions, 584 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:43:45,632 INFO L231 Difference]: Finished difference. Result has 191 places, 191 transitions, 444 flow [2022-11-16 11:43:45,632 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=191, PETRI_TRANSITIONS=191} [2022-11-16 11:43:45,634 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -33 predicate places. [2022-11-16 11:43:45,634 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 191 transitions, 444 flow [2022-11-16 11:43:45,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:45,635 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:45,635 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:45,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:43:45,635 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-16 11:43:45,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:45,637 INFO L85 PathProgramCache]: Analyzing trace with hash 633725646, now seen corresponding path program 1 times [2022-11-16 11:43:45,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:45,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382478371] [2022-11-16 11:43:45,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:45,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:45,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:45,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:45,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382478371] [2022-11-16 11:43:45,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382478371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:45,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:45,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:43:45,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171890634] [2022-11-16 11:43:45,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:45,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:43:45,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:45,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:43:45,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:43:45,949 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 278 [2022-11-16 11:43:45,950 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 191 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:45,950 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:45,950 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 278 [2022-11-16 11:43:45,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:43:56,374 INFO L130 PetriNetUnfolder]: 32310/90454 cut-off events. [2022-11-16 11:43:56,374 INFO L131 PetriNetUnfolder]: For 19151/20691 co-relation queries the response was YES. [2022-11-16 11:43:56,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151595 conditions, 90454 events. 32310/90454 cut-off events. For 19151/20691 co-relation queries the response was YES. Maximal size of possible extension queue 3400. Compared 1280764 event pairs, 11055 based on Foata normal form. 11/73346 useless extension candidates. Maximal degree in co-relation 151588. Up to 22123 conditions per place. [2022-11-16 11:43:57,378 INFO L137 encePairwiseOnDemand]: 266/278 looper letters, 61 selfloop transitions, 14 changer transitions 0/226 dead transitions. [2022-11-16 11:43:57,378 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 226 transitions, 714 flow [2022-11-16 11:43:57,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:43:57,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:43:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2022-11-16 11:43:57,381 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7482014388489209 [2022-11-16 11:43:57,381 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 624 transitions. [2022-11-16 11:43:57,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 624 transitions. [2022-11-16 11:43:57,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:57,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 624 transitions. [2022-11-16 11:43:57,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:57,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:57,387 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:57,387 INFO L175 Difference]: Start difference. First operand has 191 places, 191 transitions, 444 flow. Second operand 3 states and 624 transitions. [2022-11-16 11:43:57,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 226 transitions, 714 flow [2022-11-16 11:43:57,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 226 transitions, 684 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:43:57,610 INFO L231 Difference]: Finished difference. Result has 193 places, 205 transitions, 568 flow [2022-11-16 11:43:57,611 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=568, PETRI_PLACES=193, PETRI_TRANSITIONS=205} [2022-11-16 11:43:57,611 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -31 predicate places. [2022-11-16 11:43:57,612 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 205 transitions, 568 flow [2022-11-16 11:43:57,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:57,612 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:43:57,612 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:43:57,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:43:57,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2022-11-16 11:43:57,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:57,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1765045791, now seen corresponding path program 1 times [2022-11-16 11:43:57,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:57,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274475618] [2022-11-16 11:43:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:57,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:57,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:57,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274475618] [2022-11-16 11:43:57,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274475618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:57,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:57,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:43:57,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955276441] [2022-11-16 11:43:57,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:57,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:43:57,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:57,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:43:57,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:43:57,644 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 278 [2022-11-16 11:43:57,645 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 205 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:43:57,645 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:43:57,645 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 278 [2022-11-16 11:43:57,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:44:03,666 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1120] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][184], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1NotInUse, 165#L716-1true, 296#true, 89#L723-6true]) [2022-11-16 11:44:03,666 INFO L383 tUnfolder$Statistics]: this new event has 77 ancestors and is cut-off event [2022-11-16 11:44:03,667 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:44:03,667 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-16 11:44:03,667 INFO L386 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2022-11-16 11:44:04,444 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, 100#L723-7true, thr2Thread1of2ForFork2InUse, 217#L718-1true, 211#L730true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1NotInUse, 296#true]) [2022-11-16 11:44:04,444 INFO L383 tUnfolder$Statistics]: this new event has 75 ancestors and is cut-off event [2022-11-16 11:44:04,444 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 11:44:04,444 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 11:44:04,444 INFO L386 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2022-11-16 11:44:05,015 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 100#L723-7true, thr2Thread1of2ForFork2InUse, 217#L718-1true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1NotInUse, 257#L730-2true, 296#true]) [2022-11-16 11:44:05,015 INFO L383 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2022-11-16 11:44:05,015 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 11:44:05,016 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:44:05,016 INFO L386 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2022-11-16 11:44:10,437 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1120] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][184], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 165#L716-1true, 296#true, 121#thr3ENTRYtrue, 89#L723-6true]) [2022-11-16 11:44:10,437 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-16 11:44:10,437 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 11:44:10,438 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-16 11:44:10,438 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 11:44:10,440 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1055] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][220], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 43#L716-1true, 215#thr3ENTRYtrue, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true, 89#L723-6true]) [2022-11-16 11:44:10,441 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-16 11:44:10,441 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 11:44:10,441 INFO L386 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2022-11-16 11:44:10,441 INFO L386 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2022-11-16 11:44:11,299 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 100#L723-7true, thr2Thread1of2ForFork2InUse, 217#L718-1true, 211#L730true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true, 121#thr3ENTRYtrue]) [2022-11-16 11:44:11,300 INFO L383 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2022-11-16 11:44:11,300 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-16 11:44:11,300 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 11:44:11,300 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-16 11:44:11,302 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 100#L723-7true, 36#L718-1true, 215#thr3ENTRYtrue, thr2Thread1of2ForFork2InUse, 211#L730true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true]) [2022-11-16 11:44:11,302 INFO L383 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2022-11-16 11:44:11,302 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-16 11:44:11,302 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 11:44:11,303 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-16 11:44:11,992 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0)) (= v_~mutex~0_250 0)) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|, #race~mutex~0=|v_#race~mutex~0_321|, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1, #race~mutex~0, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1, ~mutex~0][119], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, 36#L718-1true, thr2Thread1of2ForFork2InUse, 217#L718-1true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 138#L723-5true, 296#true, 212#thr1ENTRYtrue]) [2022-11-16 11:44:11,992 INFO L383 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2022-11-16 11:44:11,992 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 11:44:11,992 INFO L386 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2022-11-16 11:44:11,992 INFO L386 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2022-11-16 11:44:12,000 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0)) (= v_~mutex~0_250 0)) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|, #race~mutex~0=|v_#race~mutex~0_321|, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1, #race~mutex~0, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1, ~mutex~0][119], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 36#L718-1true, thr2Thread1of2ForFork2InUse, 217#L718-1true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 199#thr2ENTRYtrue, 296#true, 212#thr1ENTRYtrue]) [2022-11-16 11:44:12,000 INFO L383 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2022-11-16 11:44:12,000 INFO L386 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2022-11-16 11:44:12,000 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:44:12,000 INFO L386 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2022-11-16 11:44:12,117 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 100#L723-7true, thr2Thread1of2ForFork2InUse, 217#L718-1true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 257#L730-2true, 296#true, 121#thr3ENTRYtrue]) [2022-11-16 11:44:12,117 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-16 11:44:12,117 INFO L386 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2022-11-16 11:44:12,118 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 11:44:12,118 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 11:44:12,121 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 100#L723-7true, 36#L718-1true, 215#thr3ENTRYtrue, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 257#L730-2true, 296#true]) [2022-11-16 11:44:12,122 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-16 11:44:12,122 INFO L386 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2022-11-16 11:44:12,122 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 11:44:12,122 INFO L386 tUnfolder$Statistics]: existing Event has 72 ancestors and is cut-off event [2022-11-16 11:44:13,089 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1120] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][184], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, thr2Thread1of2ForFork2InUse, 197#L704-2true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 165#L716-1true, 296#true, 89#L723-6true]) [2022-11-16 11:44:13,090 INFO L383 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2022-11-16 11:44:13,090 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-16 11:44:13,090 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-16 11:44:13,090 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-16 11:44:13,093 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1055] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][220], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 71#L707-3true, 43#L716-1true, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true, 89#L723-6true]) [2022-11-16 11:44:13,093 INFO L383 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2022-11-16 11:44:13,094 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:44:13,094 INFO L386 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2022-11-16 11:44:13,094 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:44:13,094 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1055] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][220], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 43#L716-1true, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true, 93#L704-2true, 89#L723-6true]) [2022-11-16 11:44:13,094 INFO L383 tUnfolder$Statistics]: this new event has 86 ancestors and is cut-off event [2022-11-16 11:44:13,094 INFO L386 tUnfolder$Statistics]: existing Event has 86 ancestors and is cut-off event [2022-11-16 11:44:13,094 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-16 11:44:13,095 INFO L386 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2022-11-16 11:44:13,483 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0)) (= v_~mutex~0_250 0)) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|, #race~mutex~0=|v_#race~mutex~0_321|, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1, #race~mutex~0, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1, ~mutex~0][119], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 36#L718-1true, thr2Thread1of2ForFork2InUse, 217#L718-1true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true, 89#L723-6true, 212#thr1ENTRYtrue]) [2022-11-16 11:44:13,483 INFO L383 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2022-11-16 11:44:13,483 INFO L386 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2022-11-16 11:44:13,483 INFO L386 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2022-11-16 11:44:13,483 INFO L386 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2022-11-16 11:44:13,655 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 100#L723-7true, thr2Thread1of2ForFork2InUse, 197#L704-2true, 217#L718-1true, 211#L730true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true]) [2022-11-16 11:44:13,655 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-16 11:44:13,655 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:44:13,656 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:44:13,656 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-16 11:44:13,659 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, 100#L723-7true, 36#L718-1true, thr2Thread1of2ForFork2InUse, 211#L730true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 93#L704-2true, 296#true]) [2022-11-16 11:44:13,659 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-16 11:44:13,659 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-16 11:44:13,659 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:44:13,659 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:44:14,140 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1001] L723-6-->L723-7: Formula: (= |v_#race~g1~0_1| 0) InVars {} OutVars{#race~g1~0=|v_#race~g1~0_1|} AuxVars[] AssignedVars[#race~g1~0][50], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 111#thr1Err2ASSERT_VIOLATIONDATA_RACEtrue, 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, 100#L723-7true, thr2Thread1of2ForFork2InUse, 217#L718-1true, thr1Thread1of2ForFork0InUse, 4#L707-3true, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 296#true]) [2022-11-16 11:44:14,141 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-16 11:44:14,141 INFO L386 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2022-11-16 11:44:14,141 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-16 11:44:14,141 INFO L386 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2022-11-16 11:44:14,461 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1055] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][220], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), 16#L740-4true, Black: 290#true, 43#L716-1true, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 165#L716-1true, 296#true, 89#L723-6true]) [2022-11-16 11:44:14,462 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-16 11:44:14,462 INFO L386 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2022-11-16 11:44:14,462 INFO L386 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2022-11-16 11:44:14,462 INFO L386 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2022-11-16 11:44:14,464 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1055] L716-->L716-1: Formula: (= |v_#race~g0~0_7| 0) InVars {} OutVars{#race~g0~0=|v_#race~g0~0_7|} AuxVars[] AssignedVars[#race~g0~0][220], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 20#L729-3true, 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, 43#L716-1true, thr2Thread1of2ForFork2InUse, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 138#L723-5true, 207#L716-2true, 296#true]) [2022-11-16 11:44:14,464 INFO L383 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2022-11-16 11:44:14,464 INFO L386 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2022-11-16 11:44:14,464 INFO L386 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2022-11-16 11:44:14,464 INFO L386 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2022-11-16 11:44:14,552 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0)) (= v_~mutex~0_250 0)) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|, #race~mutex~0=|v_#race~mutex~0_321|, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1, #race~mutex~0, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1, ~mutex~0][119], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, 53#L728-2true, 36#L718-1true, thr2Thread1of2ForFork2InUse, 217#L718-1true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 138#L723-5true, 296#true]) [2022-11-16 11:44:14,553 INFO L383 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2022-11-16 11:44:14,553 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2022-11-16 11:44:14,553 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-16 11:44:14,553 INFO L386 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2022-11-16 11:44:14,565 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1106] L713-2-->L718-1: Formula: (and (not (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15| 0)) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| |v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|) (= |v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15| (ite (= v_~mutex~0_251 1) 1 0)) (= v_~mutex~0_250 0)) InVars {~mutex~0=v_~mutex~0_251} OutVars{thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1=|v_thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1_11|, thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1_15|, #race~mutex~0=|v_#race~mutex~0_321|, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1=|v_thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1_15|, ~mutex~0=v_~mutex~0_250} AuxVars[] AssignedVars[thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1, thr3Thread1of2ForFork1___VERIFIER_atomic_release_#t~nondet4#1, #race~mutex~0, thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1, ~mutex~0][119], [281#true, Black: 286#(= |#race~g0~0| |thr1Thread1of2ForFork0_#t~nondet11#1|), 292#(= |#race~g0~0| 0), Black: 290#true, 16#L740-4true, 53#L728-2true, 36#L718-1true, thr2Thread1of2ForFork2InUse, 217#L718-1true, thr1Thread1of2ForFork0InUse, thr3Thread1of2ForFork1InUse, thr3Thread2of2ForFork1InUse, 199#thr2ENTRYtrue, 296#true]) [2022-11-16 11:44:14,566 INFO L383 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2022-11-16 11:44:14,566 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2022-11-16 11:44:14,566 INFO L386 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2022-11-16 11:44:14,566 INFO L386 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event