./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a --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 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d --- 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-b5237d8 [2022-11-21 16:16:17,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:16:17,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:16:17,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:16:17,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:16:17,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:16:17,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:16:17,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:16:17,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:16:17,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:16:17,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:16:17,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:16:17,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:16:17,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:16:17,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:16:17,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:16:17,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:16:17,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:16:17,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:16:17,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:16:17,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:16:17,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:16:17,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:16:17,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:16:17,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:16:17,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:16:17,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:16:17,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:16:17,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:16:17,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:16:17,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:16:17,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:16:17,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:16:17,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:16:17,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:16:17,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:16:17,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:16:17,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:16:17,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:16:17,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:16:17,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:16:17,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:16:17,528 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:16:17,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:16:17,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:16:17,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:16:17,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:16:17,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:16:17,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:16:17,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:16:17,532 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:16:17,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:16:17,533 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:16:17,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:16:17,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:16:17,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:16:17,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:16:17,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:16:17,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:16:17,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:16:17,535 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:16:17,535 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:16:17,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:16:17,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:16:17,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:16:17,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:16:17,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:16:17,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:16:17,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:16:17,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:16:17,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:16:17,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:16:17,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:16:17,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:16:17,537 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:16:17,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:16:17,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:16:17,538 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_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d [2022-11-21 16:16:17,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:16:17,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:16:17,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:16:17,838 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:16:17,838 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:16:17,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i [2022-11-21 16:16:21,095 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:16:21,555 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:16:21,555 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i [2022-11-21 16:16:21,570 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/data/db312fb51/60dd34d316a24b969c7e369fc539b567/FLAG486aad29c [2022-11-21 16:16:21,587 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/data/db312fb51/60dd34d316a24b969c7e369fc539b567 [2022-11-21 16:16:21,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:16:21,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:16:21,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:16:21,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:16:21,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:16:21,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:16:21" (1/1) ... [2022-11-21 16:16:21,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1531e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:21, skipping insertion in model container [2022-11-21 16:16:21,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:16:21" (1/1) ... [2022-11-21 16:16:21,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:16:21,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:16:22,169 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i[47038,47051] [2022-11-21 16:16:22,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:16:22,291 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:16:22,344 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i[47038,47051] [2022-11-21 16:16:22,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:16:22,442 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:16:22,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22 WrapperNode [2022-11-21 16:16:22,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:16:22,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:16:22,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:16:22,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:16:22,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (1/1) ... [2022-11-21 16:16:22,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (1/1) ... [2022-11-21 16:16:22,569 INFO L138 Inliner]: procedures = 279, calls = 86, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 517 [2022-11-21 16:16:22,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:16:22,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:16:22,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:16:22,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:16:22,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (1/1) ... [2022-11-21 16:16:22,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (1/1) ... [2022-11-21 16:16:22,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (1/1) ... [2022-11-21 16:16:22,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (1/1) ... [2022-11-21 16:16:22,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (1/1) ... [2022-11-21 16:16:22,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (1/1) ... [2022-11-21 16:16:22,685 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (1/1) ... [2022-11-21 16:16:22,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (1/1) ... [2022-11-21 16:16:22,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:16:22,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:16:22,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:16:22,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:16:22,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (1/1) ... [2022-11-21 16:16:22,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:16:22,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:16:22,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:16:22,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a4b0d2e-6af0-479a-a35d-e5e07c382611/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:16:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:16:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:16:22,781 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-11-21 16:16:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-11-21 16:16:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:16:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:16:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-21 16:16:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-21 16:16:22,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:16:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 16:16:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:16:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:16:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:16:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-11-21 16:16:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-11-21 16:16:22,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:16:22,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:16:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:16:22,786 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:16:23,018 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:16:23,020 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:16:24,028 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:16:24,040 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:16:24,040 INFO L300 CfgBuilder]: Removed 28 assume(true) statements. [2022-11-21 16:16:24,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:16:24 BoogieIcfgContainer [2022-11-21 16:16:24,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:16:24,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:16:24,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:16:24,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:16:24,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:16:21" (1/3) ... [2022-11-21 16:16:24,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65138c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:16:24, skipping insertion in model container [2022-11-21 16:16:24,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:16:22" (2/3) ... [2022-11-21 16:16:24,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65138c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:16:24, skipping insertion in model container [2022-11-21 16:16:24,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:16:24" (3/3) ... [2022-11-21 16:16:24,053 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_83-list2_racing1.i [2022-11-21 16:16:24,063 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:16:24,074 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:16:24,075 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-21 16:16:24,075 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:16:24,273 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-11-21 16:16:24,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 535 places, 574 transitions, 1190 flow [2022-11-21 16:16:25,187 INFO L130 PetriNetUnfolder]: 165/1628 cut-off events. [2022-11-21 16:16:25,188 INFO L131 PetriNetUnfolder]: For 36/66 co-relation queries the response was YES. [2022-11-21 16:16:25,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1689 conditions, 1628 events. 165/1628 cut-off events. For 36/66 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 11568 event pairs, 0 based on Foata normal form. 0/1365 useless extension candidates. Maximal degree in co-relation 836. Up to 16 conditions per place. [2022-11-21 16:16:25,234 INFO L82 GeneralOperation]: Start removeDead. Operand has 535 places, 574 transitions, 1190 flow [2022-11-21 16:16:25,263 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 535 places, 574 transitions, 1190 flow [2022-11-21 16:16:25,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:16:25,292 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;@36154618, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:16:25,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-11-21 16:16:25,299 INFO L130 PetriNetUnfolder]: 0/46 cut-off events. [2022-11-21 16:16:25,299 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:16:25,299 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:16:25,301 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:16:25,301 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:16:25,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:16:25,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1483080218, now seen corresponding path program 1 times [2022-11-21 16:16:25,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:16:25,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998550405] [2022-11-21 16:16:25,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:16:25,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:16:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:16:25,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:16:25,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998550405] [2022-11-21 16:16:25,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998550405] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:16:25,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:16:25,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:16:25,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758843128] [2022-11-21 16:16:25,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:16:25,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:16:25,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:16:25,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:16:25,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:16:25,640 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 512 out of 574 [2022-11-21 16:16:25,647 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 574 transitions, 1190 flow. Second operand has 3 states, 3 states have (on average 513.3333333333334) internal successors, (1540), 3 states have internal predecessors, (1540), 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) [2022-11-21 16:16:25,648 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:16:25,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 512 of 574 [2022-11-21 16:16:25,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:16:29,304 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][496], [51#L1057-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 263#L1044-1true]) [2022-11-21 16:16:29,304 INFO L383 tUnfolder$Statistics]: this new event has 289 ancestors and is cut-off event [2022-11-21 16:16:29,305 INFO L386 tUnfolder$Statistics]: existing Event has 289 ancestors and is cut-off event [2022-11-21 16:16:29,305 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-21 16:16:29,305 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-21 16:16:29,305 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][497], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 263#L1044-1true, 401#L1056-9true]) [2022-11-21 16:16:29,306 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-21 16:16:29,306 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-21 16:16:29,306 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-21 16:16:29,306 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-21 16:16:29,306 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][498], [t2_funThread1of1ForFork0NotInUse, 477#L1058-9true, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 263#L1044-1true]) [2022-11-21 16:16:29,307 INFO L383 tUnfolder$Statistics]: this new event has 291 ancestors and is cut-off event [2022-11-21 16:16:29,307 INFO L386 tUnfolder$Statistics]: existing Event has 291 ancestors and is cut-off event [2022-11-21 16:16:29,307 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-21 16:16:29,307 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-21 16:16:29,310 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][496], [51#L1057-9true, 324#L1037-1true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse]) [2022-11-21 16:16:29,310 INFO L383 tUnfolder$Statistics]: this new event has 289 ancestors and is cut-off event [2022-11-21 16:16:29,311 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-21 16:16:29,312 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-21 16:16:29,312 INFO L386 tUnfolder$Statistics]: existing Event has 289 ancestors and is cut-off event [2022-11-21 16:16:29,312 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][497], [324#L1037-1true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 401#L1056-9true]) [2022-11-21 16:16:29,312 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-21 16:16:29,312 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-21 16:16:29,313 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-21 16:16:29,313 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-21 16:16:29,314 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][498], [477#L1058-9true, 324#L1037-1true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse]) [2022-11-21 16:16:29,314 INFO L383 tUnfolder$Statistics]: this new event has 291 ancestors and is cut-off event [2022-11-21 16:16:29,314 INFO L386 tUnfolder$Statistics]: existing Event has 291 ancestors and is cut-off event [2022-11-21 16:16:29,316 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-21 16:16:29,317 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-21 16:16:29,330 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][496], [51#L1057-9true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 409#t2_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-11-21 16:16:29,331 INFO L383 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-11-21 16:16:29,331 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:29,331 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:29,332 INFO L386 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-11-21 16:16:29,333 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][497], [t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 409#t2_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 401#L1056-9true]) [2022-11-21 16:16:29,336 INFO L383 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-11-21 16:16:29,337 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:16:29,337 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:29,337 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:29,338 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][498], [477#L1058-9true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 409#t2_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-11-21 16:16:29,338 INFO L383 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-11-21 16:16:29,339 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:29,339 INFO L386 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-11-21 16:16:29,340 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:29,349 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][496], [5#L1044-2true, 51#L1057-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse]) [2022-11-21 16:16:29,349 INFO L383 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-11-21 16:16:29,349 INFO L386 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-11-21 16:16:29,349 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:29,350 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:29,350 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][497], [5#L1044-2true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 401#L1056-9true]) [2022-11-21 16:16:29,350 INFO L383 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-11-21 16:16:29,350 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:29,350 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:29,351 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:16:29,351 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][498], [5#L1044-2true, t2_funThread1of1ForFork0NotInUse, 477#L1058-9true, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse]) [2022-11-21 16:16:29,352 INFO L383 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-11-21 16:16:29,352 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:29,352 INFO L386 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-11-21 16:16:29,352 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:29,353 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][496], [51#L1057-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 373#t3_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-11-21 16:16:29,353 INFO L383 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-11-21 16:16:29,353 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:29,354 INFO L386 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-11-21 16:16:29,354 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:29,354 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][497], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 373#t3_funErr0ASSERT_VIOLATIONDATA_RACEtrue, 401#L1056-9true]) [2022-11-21 16:16:29,354 INFO L383 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-11-21 16:16:29,355 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:29,355 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:29,355 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:16:29,355 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][498], [t2_funThread1of1ForFork0NotInUse, 477#L1058-9true, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1InUse, 373#t3_funErr0ASSERT_VIOLATIONDATA_RACEtrue]) [2022-11-21 16:16:29,355 INFO L383 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-11-21 16:16:29,356 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:29,356 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:29,356 INFO L386 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-11-21 16:16:29,358 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][496], [51#L1057-9true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 119#L1037-2true]) [2022-11-21 16:16:29,359 INFO L383 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-11-21 16:16:29,359 INFO L386 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-11-21 16:16:29,359 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:29,359 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:29,359 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][497], [t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 401#L1056-9true, 119#L1037-2true]) [2022-11-21 16:16:29,360 INFO L383 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-11-21 16:16:29,360 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:16:29,360 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:29,360 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:29,361 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][498], [477#L1058-9true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 119#L1037-2true]) [2022-11-21 16:16:29,361 INFO L383 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-11-21 16:16:29,361 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:29,361 INFO L386 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-11-21 16:16:29,362 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:29,601 INFO L130 PetriNetUnfolder]: 756/10386 cut-off events. [2022-11-21 16:16:29,601 INFO L131 PetriNetUnfolder]: For 1253/1646 co-relation queries the response was YES. [2022-11-21 16:16:29,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11702 conditions, 10386 events. 756/10386 cut-off events. For 1253/1646 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 112218 event pairs, 375 based on Foata normal form. 870/10049 useless extension candidates. Maximal degree in co-relation 7019. Up to 872 conditions per place. [2022-11-21 16:16:29,794 INFO L137 encePairwiseOnDemand]: 541/574 looper letters, 27 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2022-11-21 16:16:29,795 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 534 places, 541 transitions, 1182 flow [2022-11-21 16:16:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:16:29,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:16:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1596 transitions. [2022-11-21 16:16:29,814 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.926829268292683 [2022-11-21 16:16:29,815 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1596 transitions. [2022-11-21 16:16:29,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1596 transitions. [2022-11-21 16:16:29,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:16:29,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1596 transitions. [2022-11-21 16:16:29,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 532.0) internal successors, (1596), 3 states have internal predecessors, (1596), 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) [2022-11-21 16:16:29,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 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) [2022-11-21 16:16:29,840 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 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) [2022-11-21 16:16:29,842 INFO L175 Difference]: Start difference. First operand has 535 places, 574 transitions, 1190 flow. Second operand 3 states and 1596 transitions. [2022-11-21 16:16:29,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 534 places, 541 transitions, 1182 flow [2022-11-21 16:16:29,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 541 transitions, 1182 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:16:29,869 INFO L231 Difference]: Finished difference. Result has 534 places, 541 transitions, 1128 flow [2022-11-21 16:16:29,873 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1124, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=534, PETRI_TRANSITIONS=541} [2022-11-21 16:16:29,880 INFO L288 CegarLoopForPetriNet]: 535 programPoint places, -1 predicate places. [2022-11-21 16:16:29,880 INFO L495 AbstractCegarLoop]: Abstraction has has 534 places, 541 transitions, 1128 flow [2022-11-21 16:16:29,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 513.3333333333334) internal successors, (1540), 3 states have internal predecessors, (1540), 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) [2022-11-21 16:16:29,881 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:16:29,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:16:29,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:16:29,882 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:16:29,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:16:29,883 INFO L85 PathProgramCache]: Analyzing trace with hash -730148464, now seen corresponding path program 1 times [2022-11-21 16:16:29,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:16:29,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126309627] [2022-11-21 16:16:29,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:16:29,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:16:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:16:30,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:16:30,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126309627] [2022-11-21 16:16:30,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126309627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:16:30,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:16:30,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:16:30,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807657245] [2022-11-21 16:16:30,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:16:30,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:16:30,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:16:30,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:16:30,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:16:30,056 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 515 out of 574 [2022-11-21 16:16:30,058 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 541 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 516.3333333333334) internal successors, (1549), 3 states have internal predecessors, (1549), 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) [2022-11-21 16:16:30,058 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:16:30,059 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 515 of 574 [2022-11-21 16:16:30,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:16:32,688 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][490], [51#L1057-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse, 263#L1044-1true]) [2022-11-21 16:16:32,689 INFO L383 tUnfolder$Statistics]: this new event has 289 ancestors and is cut-off event [2022-11-21 16:16:32,689 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-21 16:16:32,689 INFO L386 tUnfolder$Statistics]: existing Event has 289 ancestors and is cut-off event [2022-11-21 16:16:32,689 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-21 16:16:32,689 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][491], [t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse, 263#L1044-1true, 401#L1056-9true]) [2022-11-21 16:16:32,690 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-21 16:16:32,690 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-21 16:16:32,690 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-21 16:16:32,690 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-21 16:16:32,690 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][492], [477#L1058-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse, 263#L1044-1true]) [2022-11-21 16:16:32,691 INFO L383 tUnfolder$Statistics]: this new event has 291 ancestors and is cut-off event [2022-11-21 16:16:32,691 INFO L386 tUnfolder$Statistics]: existing Event has 291 ancestors and is cut-off event [2022-11-21 16:16:32,691 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-21 16:16:32,691 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-21 16:16:32,694 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][490], [51#L1057-9true, 324#L1037-1true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 544#(= |#race~A~0| 0)]) [2022-11-21 16:16:32,694 INFO L383 tUnfolder$Statistics]: this new event has 289 ancestors and is cut-off event [2022-11-21 16:16:32,694 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-21 16:16:32,695 INFO L386 tUnfolder$Statistics]: existing Event has 212 ancestors and is cut-off event [2022-11-21 16:16:32,695 INFO L386 tUnfolder$Statistics]: existing Event has 289 ancestors and is cut-off event [2022-11-21 16:16:32,695 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][491], [324#L1037-1true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 544#(= |#race~A~0| 0), 401#L1056-9true]) [2022-11-21 16:16:32,695 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-21 16:16:32,695 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-21 16:16:32,696 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-21 16:16:32,696 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-21 16:16:32,696 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][492], [324#L1037-1true, 477#L1058-9true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 544#(= |#race~A~0| 0)]) [2022-11-21 16:16:32,696 INFO L383 tUnfolder$Statistics]: this new event has 291 ancestors and is cut-off event [2022-11-21 16:16:32,696 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-21 16:16:32,696 INFO L386 tUnfolder$Statistics]: existing Event has 214 ancestors and is cut-off event [2022-11-21 16:16:32,697 INFO L386 tUnfolder$Statistics]: existing Event has 291 ancestors and is cut-off event [2022-11-21 16:16:32,709 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][490], [5#L1044-2true, 51#L1057-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse]) [2022-11-21 16:16:32,710 INFO L383 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-11-21 16:16:32,710 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:32,710 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:32,710 INFO L386 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-11-21 16:16:32,711 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][491], [5#L1044-2true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse, 401#L1056-9true]) [2022-11-21 16:16:32,711 INFO L383 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-11-21 16:16:32,711 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:32,711 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:16:32,711 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:32,712 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][492], [5#L1044-2true, 477#L1058-9true, t2_funThread1of1ForFork0NotInUse, t1_funThread1of1ForFork2NotInUse, 538#true, 544#(= |#race~A~0| 0), t3_funThread1of1ForFork1InUse]) [2022-11-21 16:16:32,712 INFO L383 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-11-21 16:16:32,712 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:32,712 INFO L386 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-11-21 16:16:32,712 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:32,714 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1675] t1_funEXIT-->L1057-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem59#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_6) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_6, ULTIMATE.start_main_#t~mem59#1=|v_ULTIMATE.start_main_#t~mem59#1_7|} AuxVars[] AssignedVars[][490], [51#L1057-9true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 544#(= |#race~A~0| 0), 119#L1037-2true]) [2022-11-21 16:16:32,714 INFO L383 tUnfolder$Statistics]: this new event has 290 ancestors and is cut-off event [2022-11-21 16:16:32,714 INFO L386 tUnfolder$Statistics]: existing Event has 290 ancestors and is cut-off event [2022-11-21 16:16:32,714 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:32,715 INFO L386 tUnfolder$Statistics]: existing Event has 213 ancestors and is cut-off event [2022-11-21 16:16:32,715 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1672] t1_funEXIT-->L1056-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem57#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_4) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_4, ULTIMATE.start_main_#t~mem57#1=|v_ULTIMATE.start_main_#t~mem57#1_7|} AuxVars[] AssignedVars[][491], [t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 544#(= |#race~A~0| 0), 401#L1056-9true, 119#L1037-2true]) [2022-11-21 16:16:32,715 INFO L383 tUnfolder$Statistics]: this new event has 288 ancestors and is cut-off event [2022-11-21 16:16:32,715 INFO L386 tUnfolder$Statistics]: existing Event has 288 ancestors and is cut-off event [2022-11-21 16:16:32,716 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:32,716 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-21 16:16:32,716 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1678] t1_funEXIT-->L1058-9: Formula: (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem61#1_7| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_t1_funThread1of1ForFork2_thidvar0_8) InVars {t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} OutVars{t1_funThread1of1ForFork2_thidvar0=v_t1_funThread1of1ForFork2_thidvar0_8, ULTIMATE.start_main_#t~mem61#1=|v_ULTIMATE.start_main_#t~mem61#1_7|} AuxVars[] AssignedVars[][492], [477#L1058-9true, t2_funThread1of1ForFork0InUse, t1_funThread1of1ForFork2NotInUse, 538#true, t3_funThread1of1ForFork1NotInUse, 544#(= |#race~A~0| 0), 119#L1037-2true]) [2022-11-21 16:16:32,716 INFO L383 tUnfolder$Statistics]: this new event has 292 ancestors and is cut-off event [2022-11-21 16:16:32,716 INFO L386 tUnfolder$Statistics]: existing Event has 292 ancestors and is cut-off event [2022-11-21 16:16:32,716 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:32,716 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-21 16:16:32,851 INFO L130 PetriNetUnfolder]: 483/8494 cut-off events. [2022-11-21 16:16:32,851 INFO L131 PetriNetUnfolder]: For 826/1081 co-relation queries the response was YES. [2022-11-21 16:16:32,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9281 conditions, 8494 events. 483/8494 cut-off events. For 826/1081 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 86370 event pairs, 180 based on Foata normal form. 0/7664 useless extension candidates. Maximal degree in co-relation 9222. Up to 485 conditions per place. [2022-11-21 16:16:33,010 INFO L137 encePairwiseOnDemand]: 569/574 looper letters, 21 selfloop transitions, 1 changer transitions 0/537 dead transitions. [2022-11-21 16:16:33,011 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 532 places, 537 transitions, 1164 flow [2022-11-21 16:16:33,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:16:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:16:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1571 transitions. [2022-11-21 16:16:33,015 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9123112659698026 [2022-11-21 16:16:33,015 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1571 transitions. [2022-11-21 16:16:33,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1571 transitions. [2022-11-21 16:16:33,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:16:33,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1571 transitions. [2022-11-21 16:16:33,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 523.6666666666666) internal successors, (1571), 3 states have internal predecessors, (1571), 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) [2022-11-21 16:16:33,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 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) [2022-11-21 16:16:33,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 574.0) internal successors, (2296), 4 states have internal predecessors, (2296), 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) [2022-11-21 16:16:33,025 INFO L175 Difference]: Start difference. First operand has 534 places, 541 transitions, 1128 flow. Second operand 3 states and 1571 transitions. [2022-11-21 16:16:33,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 532 places, 537 transitions, 1164 flow [2022-11-21 16:16:33,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 530 places, 537 transitions, 1160 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:16:33,038 INFO L231 Difference]: Finished difference. Result has 530 places, 537 transitions, 1118 flow [2022-11-21 16:16:33,039 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=574, PETRI_DIFFERENCE_MINUEND_FLOW=1116, PETRI_DIFFERENCE_MINUEND_PLACES=528, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=537, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=536, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=530, PETRI_TRANSITIONS=537} [2022-11-21 16:16:33,040 INFO L288 CegarLoopForPetriNet]: 535 programPoint places, -5 predicate places. [2022-11-21 16:16:33,040 INFO L495 AbstractCegarLoop]: Abstraction has has 530 places, 537 transitions, 1118 flow [2022-11-21 16:16:33,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 516.3333333333334) internal successors, (1549), 3 states have internal predecessors, (1549), 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) [2022-11-21 16:16:33,041 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:16:33,041 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:16:33,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:16:33,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-21 16:16:33,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:16:33,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1943411359, now seen corresponding path program 1 times [2022-11-21 16:16:33,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:16:33,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777608284] [2022-11-21 16:16:33,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:16:33,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:16:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:16:33,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:16:33,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:16:33,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777608284] [2022-11-21 16:16:33,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777608284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:16:33,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:16:33,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:16:33,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975714999] [2022-11-21 16:16:33,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:16:33,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:16:33,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:16:33,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:16:33,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:16:33,640 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 362 out of 574 [2022-11-21 16:16:33,643 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 537 transitions, 1118 flow. Second operand has 6 states, 6 states have (on average 363.5) internal successors, (2181), 6 states have internal predecessors, (2181), 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) [2022-11-21 16:16:33,643 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:16:33,643 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 362 of 574 [2022-11-21 16:16:33,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand