./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c --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_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/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_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/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_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/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 be2a0d1eee532c8ad9f827ec91fa18dbacb100bdaebd8afe9a7f9b56098458ea --- 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 11:12:04,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:12:04,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:12:04,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:12:04,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:12:04,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:12:04,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:12:04,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:12:04,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:12:04,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:12:04,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:12:04,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:12:04,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:12:04,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:12:04,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:12:04,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:12:04,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:12:04,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:12:04,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:12:04,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:12:04,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:12:04,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:12:04,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:12:04,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:12:04,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:12:04,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:12:04,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:12:04,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:12:04,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:12:04,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:12:04,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:12:04,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:12:04,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:12:04,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:12:04,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:12:04,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:12:04,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:12:04,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:12:04,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:12:04,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:12:04,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:12:04,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:12:04,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:12:04,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:12:04,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:12:04,994 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:12:04,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:12:04,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:12:04,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:12:04,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:12:04,996 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:12:04,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:12:04,997 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:12:04,997 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:12:04,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:12:04,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:12:04,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:12:04,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:12:04,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:12:04,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:12:04,999 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:12:04,999 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:12:04,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:12:04,999 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:12:05,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:12:05,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:12:05,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:12:05,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:12:05,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:05,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:12:05,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:12:05,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:12:05,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:12:05,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:12:05,003 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:12:05,003 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:12:05,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:12:05,003 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_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2a0d1eee532c8ad9f827ec91fa18dbacb100bdaebd8afe9a7f9b56098458ea [2022-11-16 11:12:05,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:12:05,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:12:05,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:12:05,367 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:12:05,368 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:12:05,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c [2022-11-16 11:12:05,452 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/data/a87d780be/b7b8504e1ed04fbc9f19bd2ac6953273/FLAGc6384ccea [2022-11-16 11:12:05,918 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:12:05,919 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c [2022-11-16 11:12:05,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/data/a87d780be/b7b8504e1ed04fbc9f19bd2ac6953273/FLAGc6384ccea [2022-11-16 11:12:06,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/data/a87d780be/b7b8504e1ed04fbc9f19bd2ac6953273 [2022-11-16 11:12:06,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:12:06,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:12:06,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:06,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:12:06,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:12:06,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1244bea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06, skipping insertion in model container [2022-11-16 11:12:06,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:12:06,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:12:06,566 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_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c[3015,3028] [2022-11-16 11:12:06,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:06,579 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:12:06,611 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_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/sv-benchmarks/c/weaver/chl-file-item-subst.wvr.c[3015,3028] [2022-11-16 11:12:06,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:06,626 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:12:06,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06 WrapperNode [2022-11-16 11:12:06,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:06,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:06,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:12:06,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:12:06,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,677 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 322 [2022-11-16 11:12:06,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:06,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:12:06,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:12:06,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:12:06,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:12:06,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:12:06,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:12:06,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:12:06,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (1/1) ... [2022-11-16 11:12:06,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:12:06,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:06,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:06,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:12:06,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:12:06,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:12:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:12:06,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:12:06,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:12:06,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 11:12:06,811 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 11:12:06,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:12:06,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:12:06,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:12:06,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:12:06,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:12:06,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:12:06,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:12:06,814 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 11:12:06,944 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:12:06,946 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:12:07,618 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:12:07,634 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:12:07,638 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:12:07,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:07 BoogieIcfgContainer [2022-11-16 11:12:07,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:12:07,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:12:07,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:12:07,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:12:07,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:12:06" (1/3) ... [2022-11-16 11:12:07,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754b4695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:07, skipping insertion in model container [2022-11-16 11:12:07,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:06" (2/3) ... [2022-11-16 11:12:07,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754b4695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:07, skipping insertion in model container [2022-11-16 11:12:07,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:07" (3/3) ... [2022-11-16 11:12:07,653 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-subst.wvr.c [2022-11-16 11:12:07,664 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:12:07,675 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:12:07,675 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-11-16 11:12:07,676 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:12:07,838 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 11:12:07,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 414 places, 425 transitions, 874 flow [2022-11-16 11:12:08,230 INFO L130 PetriNetUnfolder]: 21/422 cut-off events. [2022-11-16 11:12:08,231 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 11:12:08,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 422 events. 21/422 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1118 event pairs, 0 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 270. Up to 2 conditions per place. [2022-11-16 11:12:08,264 INFO L82 GeneralOperation]: Start removeDead. Operand has 414 places, 425 transitions, 874 flow [2022-11-16 11:12:08,282 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 390 places, 399 transitions, 816 flow [2022-11-16 11:12:08,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:12:08,313 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;@2105965f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:12:08,313 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2022-11-16 11:12:08,324 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-11-16 11:12:08,325 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:12:08,325 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:08,326 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] [2022-11-16 11:12:08,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:08,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:08,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1292201013, now seen corresponding path program 1 times [2022-11-16 11:12:08,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:08,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4994686] [2022-11-16 11:12:08,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:08,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:12:08,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:08,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4994686] [2022-11-16 11:12:08,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4994686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:08,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:08,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:08,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791356185] [2022-11-16 11:12:08,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:08,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:08,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:08,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:08,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:08,715 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-16 11:12:08,721 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 399 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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 11:12:08,722 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:08,722 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-16 11:12:08,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:09,167 INFO L130 PetriNetUnfolder]: 72/1294 cut-off events. [2022-11-16 11:12:09,167 INFO L131 PetriNetUnfolder]: For 54/54 co-relation queries the response was YES. [2022-11-16 11:12:09,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1443 conditions, 1294 events. 72/1294 cut-off events. For 54/54 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 8385 event pairs, 39 based on Foata normal form. 41/1137 useless extension candidates. Maximal degree in co-relation 1203. Up to 90 conditions per place. [2022-11-16 11:12:09,191 INFO L137 encePairwiseOnDemand]: 415/425 looper letters, 15 selfloop transitions, 2 changer transitions 1/391 dead transitions. [2022-11-16 11:12:09,192 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 391 transitions, 834 flow [2022-11-16 11:12:09,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:09,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:09,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-11-16 11:12:09,218 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.956078431372549 [2022-11-16 11:12:09,219 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-11-16 11:12:09,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-11-16 11:12:09,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:09,231 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-11-16 11:12:09,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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 11:12:09,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:09,252 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:09,255 INFO L175 Difference]: Start difference. First operand has 390 places, 399 transitions, 816 flow. Second operand 3 states and 1219 transitions. [2022-11-16 11:12:09,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 391 transitions, 834 flow [2022-11-16 11:12:09,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 391 transitions, 822 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-16 11:12:09,276 INFO L231 Difference]: Finished difference. Result has 385 places, 390 transitions, 790 flow [2022-11-16 11:12:09,279 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=790, PETRI_PLACES=385, PETRI_TRANSITIONS=390} [2022-11-16 11:12:09,284 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -5 predicate places. [2022-11-16 11:12:09,284 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 390 transitions, 790 flow [2022-11-16 11:12:09,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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 11:12:09,292 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:09,293 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 11:12:09,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:12:09,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:09,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:09,295 INFO L85 PathProgramCache]: Analyzing trace with hash -2121524624, now seen corresponding path program 1 times [2022-11-16 11:12:09,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:09,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617532467] [2022-11-16 11:12:09,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:09,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:09,427 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 11:12:09,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:09,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617532467] [2022-11-16 11:12:09,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617532467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:09,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:09,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:09,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920662585] [2022-11-16 11:12:09,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:09,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:09,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:09,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:09,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:09,440 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-16 11:12:09,442 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 390 transitions, 790 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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 11:12:09,447 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:09,447 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-16 11:12:09,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:09,768 INFO L130 PetriNetUnfolder]: 46/916 cut-off events. [2022-11-16 11:12:09,768 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-16 11:12:09,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 916 events. 46/916 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 4571 event pairs, 21 based on Foata normal form. 0/780 useless extension candidates. Maximal degree in co-relation 954. Up to 63 conditions per place. [2022-11-16 11:12:09,785 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/389 dead transitions. [2022-11-16 11:12:09,785 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 389 transitions, 822 flow [2022-11-16 11:12:09,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-16 11:12:09,789 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-16 11:12:09,789 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-16 11:12:09,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-16 11:12:09,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:09,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-16 11:12:09,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 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 11:12:09,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:09,799 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:09,799 INFO L175 Difference]: Start difference. First operand has 385 places, 390 transitions, 790 flow. Second operand 3 states and 1212 transitions. [2022-11-16 11:12:09,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 389 transitions, 822 flow [2022-11-16 11:12:09,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 389 transitions, 818 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:09,807 INFO L231 Difference]: Finished difference. Result has 383 places, 389 transitions, 788 flow [2022-11-16 11:12:09,808 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=788, PETRI_PLACES=383, PETRI_TRANSITIONS=389} [2022-11-16 11:12:09,809 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -7 predicate places. [2022-11-16 11:12:09,809 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 389 transitions, 788 flow [2022-11-16 11:12:09,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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 11:12:09,810 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:09,810 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] [2022-11-16 11:12:09,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:12:09,811 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:09,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:09,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1114256366, now seen corresponding path program 1 times [2022-11-16 11:12:09,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:09,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758517512] [2022-11-16 11:12:09,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:09,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:09,912 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 11:12:09,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:09,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758517512] [2022-11-16 11:12:09,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758517512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:09,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:09,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:09,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797371785] [2022-11-16 11:12:09,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:09,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:09,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:09,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:09,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:09,921 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-16 11:12:09,923 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 389 transitions, 788 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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 11:12:09,923 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:09,923 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-16 11:12:09,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:10,238 INFO L130 PetriNetUnfolder]: 60/1028 cut-off events. [2022-11-16 11:12:10,238 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-11-16 11:12:10,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1130 conditions, 1028 events. 60/1028 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5513 event pairs, 39 based on Foata normal form. 0/893 useless extension candidates. Maximal degree in co-relation 1083. Up to 90 conditions per place. [2022-11-16 11:12:10,259 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2022-11-16 11:12:10,260 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 388 transitions, 820 flow [2022-11-16 11:12:10,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:10,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:10,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-16 11:12:10,265 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-16 11:12:10,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-16 11:12:10,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-16 11:12:10,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:10,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-16 11:12:10,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 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 11:12:10,276 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:10,277 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:10,277 INFO L175 Difference]: Start difference. First operand has 383 places, 389 transitions, 788 flow. Second operand 3 states and 1212 transitions. [2022-11-16 11:12:10,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 388 transitions, 820 flow [2022-11-16 11:12:10,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 388 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:10,287 INFO L231 Difference]: Finished difference. Result has 382 places, 388 transitions, 786 flow [2022-11-16 11:12:10,287 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=386, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=786, PETRI_PLACES=382, PETRI_TRANSITIONS=388} [2022-11-16 11:12:10,290 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -8 predicate places. [2022-11-16 11:12:10,291 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 388 transitions, 786 flow [2022-11-16 11:12:10,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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 11:12:10,292 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:10,292 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] [2022-11-16 11:12:10,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:12:10,293 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:10,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:10,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1477585456, now seen corresponding path program 1 times [2022-11-16 11:12:10,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:10,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920838211] [2022-11-16 11:12:10,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:10,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:10,378 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 11:12:10,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:10,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920838211] [2022-11-16 11:12:10,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920838211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:10,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:10,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:10,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006526422] [2022-11-16 11:12:10,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:10,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:10,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:10,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:10,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:10,383 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-16 11:12:10,385 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 388 transitions, 786 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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 11:12:10,385 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:10,385 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-16 11:12:10,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:10,687 INFO L130 PetriNetUnfolder]: 91/1196 cut-off events. [2022-11-16 11:12:10,687 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-16 11:12:10,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1308 conditions, 1196 events. 91/1196 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7959 event pairs, 39 based on Foata normal form. 0/962 useless extension candidates. Maximal degree in co-relation 1254. Up to 85 conditions per place. [2022-11-16 11:12:10,707 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2022-11-16 11:12:10,707 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 387 transitions, 818 flow [2022-11-16 11:12:10,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-16 11:12:10,711 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-16 11:12:10,711 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-16 11:12:10,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-16 11:12:10,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:10,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-16 11:12:10,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 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 11:12:10,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:10,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:10,719 INFO L175 Difference]: Start difference. First operand has 382 places, 388 transitions, 786 flow. Second operand 3 states and 1212 transitions. [2022-11-16 11:12:10,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 387 transitions, 818 flow [2022-11-16 11:12:10,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 387 transitions, 814 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:10,727 INFO L231 Difference]: Finished difference. Result has 381 places, 387 transitions, 784 flow [2022-11-16 11:12:10,727 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=381, PETRI_TRANSITIONS=387} [2022-11-16 11:12:10,728 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -9 predicate places. [2022-11-16 11:12:10,728 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 387 transitions, 784 flow [2022-11-16 11:12:10,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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 11:12:10,729 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:10,730 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] [2022-11-16 11:12:10,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:12:10,730 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:10,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:10,730 INFO L85 PathProgramCache]: Analyzing trace with hash -290034335, now seen corresponding path program 1 times [2022-11-16 11:12:10,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:10,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514944137] [2022-11-16 11:12:10,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:10,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:10,783 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 11:12:10,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:10,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514944137] [2022-11-16 11:12:10,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514944137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:10,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:10,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:10,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592340669] [2022-11-16 11:12:10,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:10,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:10,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:10,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:10,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:10,787 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-16 11:12:10,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 387 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 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 11:12:10,789 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:10,789 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-16 11:12:10,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:11,108 INFO L130 PetriNetUnfolder]: 88/1182 cut-off events. [2022-11-16 11:12:11,108 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-16 11:12:11,119 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1294 conditions, 1182 events. 88/1182 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7400 event pairs, 36 based on Foata normal form. 0/960 useless extension candidates. Maximal degree in co-relation 1234. Up to 91 conditions per place. [2022-11-16 11:12:11,131 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 18 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2022-11-16 11:12:11,131 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 386 transitions, 822 flow [2022-11-16 11:12:11,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1206 transitions. [2022-11-16 11:12:11,134 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9458823529411765 [2022-11-16 11:12:11,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1206 transitions. [2022-11-16 11:12:11,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1206 transitions. [2022-11-16 11:12:11,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:11,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1206 transitions. [2022-11-16 11:12:11,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 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 11:12:11,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:11,142 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:11,142 INFO L175 Difference]: Start difference. First operand has 381 places, 387 transitions, 784 flow. Second operand 3 states and 1206 transitions. [2022-11-16 11:12:11,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 386 transitions, 822 flow [2022-11-16 11:12:11,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 386 transitions, 818 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:11,150 INFO L231 Difference]: Finished difference. Result has 380 places, 386 transitions, 782 flow [2022-11-16 11:12:11,151 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=380, PETRI_TRANSITIONS=386} [2022-11-16 11:12:11,151 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -10 predicate places. [2022-11-16 11:12:11,152 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 386 transitions, 782 flow [2022-11-16 11:12:11,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 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 11:12:11,153 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:11,153 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, 1, 1] [2022-11-16 11:12:11,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:12:11,153 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:11,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:11,154 INFO L85 PathProgramCache]: Analyzing trace with hash -775464978, now seen corresponding path program 1 times [2022-11-16 11:12:11,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:11,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60599623] [2022-11-16 11:12:11,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:11,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:11,208 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 11:12:11,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:11,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60599623] [2022-11-16 11:12:11,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60599623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:11,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:11,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:11,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201359318] [2022-11-16 11:12:11,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:11,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:11,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:11,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:11,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:11,214 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 425 [2022-11-16 11:12:11,216 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 386 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 393.3333333333333) internal successors, (1180), 3 states have internal predecessors, (1180), 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 11:12:11,216 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:11,216 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 425 [2022-11-16 11:12:11,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:11,602 INFO L130 PetriNetUnfolder]: 216/1801 cut-off events. [2022-11-16 11:12:11,603 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-11-16 11:12:11,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2066 conditions, 1801 events. 216/1801 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 14040 event pairs, 132 based on Foata normal form. 0/1464 useless extension candidates. Maximal degree in co-relation 2000. Up to 250 conditions per place. [2022-11-16 11:12:11,635 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 21 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2022-11-16 11:12:11,635 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 385 transitions, 826 flow [2022-11-16 11:12:11,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2022-11-16 11:12:11,639 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2022-11-16 11:12:11,639 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1200 transitions. [2022-11-16 11:12:11,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1200 transitions. [2022-11-16 11:12:11,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:11,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1200 transitions. [2022-11-16 11:12:11,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 400.0) internal successors, (1200), 3 states have internal predecessors, (1200), 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 11:12:11,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:11,647 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:11,647 INFO L175 Difference]: Start difference. First operand has 380 places, 386 transitions, 782 flow. Second operand 3 states and 1200 transitions. [2022-11-16 11:12:11,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 385 transitions, 826 flow [2022-11-16 11:12:11,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 385 transitions, 822 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:11,654 INFO L231 Difference]: Finished difference. Result has 379 places, 385 transitions, 780 flow [2022-11-16 11:12:11,655 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=379, PETRI_TRANSITIONS=385} [2022-11-16 11:12:11,657 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -11 predicate places. [2022-11-16 11:12:11,658 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 385 transitions, 780 flow [2022-11-16 11:12:11,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 393.3333333333333) internal successors, (1180), 3 states have internal predecessors, (1180), 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 11:12:11,659 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:11,660 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:11,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:12:11,660 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:11,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:11,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1786093910, now seen corresponding path program 1 times [2022-11-16 11:12:11,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:11,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615511603] [2022-11-16 11:12:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:11,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:11,737 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 11:12:11,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:11,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615511603] [2022-11-16 11:12:11,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615511603] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:11,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:11,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:11,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655257279] [2022-11-16 11:12:11,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:11,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:11,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:11,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:11,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:11,741 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-16 11:12:11,742 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 385 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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 11:12:11,742 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:11,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-16 11:12:11,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:12,086 INFO L130 PetriNetUnfolder]: 100/1565 cut-off events. [2022-11-16 11:12:12,086 INFO L131 PetriNetUnfolder]: For 11/14 co-relation queries the response was YES. [2022-11-16 11:12:12,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1682 conditions, 1565 events. 100/1565 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 12126 event pairs, 39 based on Foata normal form. 0/1301 useless extension candidates. Maximal degree in co-relation 1610. Up to 90 conditions per place. [2022-11-16 11:12:12,110 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2022-11-16 11:12:12,110 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 384 transitions, 812 flow [2022-11-16 11:12:12,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:12,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1212 transitions. [2022-11-16 11:12:12,113 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9505882352941176 [2022-11-16 11:12:12,114 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1212 transitions. [2022-11-16 11:12:12,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1212 transitions. [2022-11-16 11:12:12,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:12,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1212 transitions. [2022-11-16 11:12:12,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 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 11:12:12,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:12,121 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:12,121 INFO L175 Difference]: Start difference. First operand has 379 places, 385 transitions, 780 flow. Second operand 3 states and 1212 transitions. [2022-11-16 11:12:12,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 384 transitions, 812 flow [2022-11-16 11:12:12,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 384 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:12,128 INFO L231 Difference]: Finished difference. Result has 378 places, 384 transitions, 778 flow [2022-11-16 11:12:12,129 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=378, PETRI_TRANSITIONS=384} [2022-11-16 11:12:12,129 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-16 11:12:12,130 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 384 transitions, 778 flow [2022-11-16 11:12:12,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.3333333333333) internal successors, (1198), 3 states have internal predecessors, (1198), 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 11:12:12,130 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:12,130 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:12,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:12:12,131 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:12,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:12,131 INFO L85 PathProgramCache]: Analyzing trace with hash 2125038968, now seen corresponding path program 1 times [2022-11-16 11:12:12,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:12,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598801220] [2022-11-16 11:12:12,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:12,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:12,168 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 11:12:12,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:12,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598801220] [2022-11-16 11:12:12,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598801220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:12,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:12,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:12,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302592990] [2022-11-16 11:12:12,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:12,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:12,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:12,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:12,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:12,172 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-16 11:12:12,173 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 384 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 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 11:12:12,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:12,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-16 11:12:12,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:12,456 INFO L130 PetriNetUnfolder]: 87/1297 cut-off events. [2022-11-16 11:12:12,456 INFO L131 PetriNetUnfolder]: For 14/15 co-relation queries the response was YES. [2022-11-16 11:12:12,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1414 conditions, 1297 events. 87/1297 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 8802 event pairs, 36 based on Foata normal form. 0/1078 useless extension candidates. Maximal degree in co-relation 1336. Up to 96 conditions per place. [2022-11-16 11:12:12,478 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 18 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-11-16 11:12:12,478 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 383 transitions, 816 flow [2022-11-16 11:12:12,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:12,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:12,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1206 transitions. [2022-11-16 11:12:12,481 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9458823529411765 [2022-11-16 11:12:12,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1206 transitions. [2022-11-16 11:12:12,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1206 transitions. [2022-11-16 11:12:12,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:12,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1206 transitions. [2022-11-16 11:12:12,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 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 11:12:12,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:12,488 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:12,489 INFO L175 Difference]: Start difference. First operand has 378 places, 384 transitions, 778 flow. Second operand 3 states and 1206 transitions. [2022-11-16 11:12:12,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 383 transitions, 816 flow [2022-11-16 11:12:12,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 383 transitions, 812 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:12,496 INFO L231 Difference]: Finished difference. Result has 377 places, 383 transitions, 776 flow [2022-11-16 11:12:12,497 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=377, PETRI_TRANSITIONS=383} [2022-11-16 11:12:12,497 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -13 predicate places. [2022-11-16 11:12:12,497 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 383 transitions, 776 flow [2022-11-16 11:12:12,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 396.3333333333333) internal successors, (1189), 3 states have internal predecessors, (1189), 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 11:12:12,498 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:12,498 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:12,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:12:12,499 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:12,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:12,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1560092372, now seen corresponding path program 1 times [2022-11-16 11:12:12,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:12,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920674430] [2022-11-16 11:12:12,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:12,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:12,535 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 11:12:12,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:12,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920674430] [2022-11-16 11:12:12,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920674430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:12,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:12,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:12,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832006095] [2022-11-16 11:12:12,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:12,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:12,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:12,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:12,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:12,539 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 425 [2022-11-16 11:12:12,540 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 383 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 393.3333333333333) internal successors, (1180), 3 states have internal predecessors, (1180), 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 11:12:12,541 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:12,541 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 425 [2022-11-16 11:12:12,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:12,952 INFO L130 PetriNetUnfolder]: 192/1738 cut-off events. [2022-11-16 11:12:12,952 INFO L131 PetriNetUnfolder]: For 65/65 co-relation queries the response was YES. [2022-11-16 11:12:12,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2011 conditions, 1738 events. 192/1738 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 13334 event pairs, 132 based on Foata normal form. 0/1466 useless extension candidates. Maximal degree in co-relation 1927. Up to 258 conditions per place. [2022-11-16 11:12:12,981 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 21 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-11-16 11:12:12,981 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 382 transitions, 820 flow [2022-11-16 11:12:12,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:12,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1200 transitions. [2022-11-16 11:12:12,984 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2022-11-16 11:12:12,984 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1200 transitions. [2022-11-16 11:12:12,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1200 transitions. [2022-11-16 11:12:12,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:12,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1200 transitions. [2022-11-16 11:12:12,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 400.0) internal successors, (1200), 3 states have internal predecessors, (1200), 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 11:12:12,991 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:13,001 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:13,001 INFO L175 Difference]: Start difference. First operand has 377 places, 383 transitions, 776 flow. Second operand 3 states and 1200 transitions. [2022-11-16 11:12:13,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 382 transitions, 820 flow [2022-11-16 11:12:13,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 382 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:13,009 INFO L231 Difference]: Finished difference. Result has 376 places, 382 transitions, 774 flow [2022-11-16 11:12:13,009 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=774, PETRI_PLACES=376, PETRI_TRANSITIONS=382} [2022-11-16 11:12:13,010 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-16 11:12:13,010 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 382 transitions, 774 flow [2022-11-16 11:12:13,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 393.3333333333333) internal successors, (1180), 3 states have internal predecessors, (1180), 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 11:12:13,011 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:13,019 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, 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 11:12:13,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:12:13,020 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:13,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:13,020 INFO L85 PathProgramCache]: Analyzing trace with hash 975190023, now seen corresponding path program 1 times [2022-11-16 11:12:13,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:13,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692693780] [2022-11-16 11:12:13,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:13,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:13,096 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 11:12:13,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:13,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692693780] [2022-11-16 11:12:13,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692693780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:13,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:13,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:13,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946097329] [2022-11-16 11:12:13,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:13,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:13,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:13,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:13,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:13,100 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-16 11:12:13,102 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 382 transitions, 774 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 11:12:13,103 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:13,103 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-16 11:12:13,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:13,324 INFO L130 PetriNetUnfolder]: 72/1185 cut-off events. [2022-11-16 11:12:13,324 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-11-16 11:12:13,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1251 conditions, 1185 events. 72/1185 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 8029 event pairs, 13 based on Foata normal form. 0/982 useless extension candidates. Maximal degree in co-relation 1160. Up to 43 conditions per place. [2022-11-16 11:12:13,339 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 14 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2022-11-16 11:12:13,339 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 384 transitions, 812 flow [2022-11-16 11:12:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:13,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:13,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1221 transitions. [2022-11-16 11:12:13,342 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9576470588235294 [2022-11-16 11:12:13,342 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1221 transitions. [2022-11-16 11:12:13,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1221 transitions. [2022-11-16 11:12:13,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:13,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1221 transitions. [2022-11-16 11:12:13,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 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 11:12:13,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:13,350 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:13,350 INFO L175 Difference]: Start difference. First operand has 376 places, 382 transitions, 774 flow. Second operand 3 states and 1221 transitions. [2022-11-16 11:12:13,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 384 transitions, 812 flow [2022-11-16 11:12:13,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 384 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:13,357 INFO L231 Difference]: Finished difference. Result has 375 places, 382 transitions, 780 flow [2022-11-16 11:12:13,359 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=375, PETRI_TRANSITIONS=382} [2022-11-16 11:12:13,360 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-16 11:12:13,360 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 382 transitions, 780 flow [2022-11-16 11:12:13,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 11:12:13,361 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:13,361 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, 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 11:12:13,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:12:13,361 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:13,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:13,362 INFO L85 PathProgramCache]: Analyzing trace with hash 728145348, now seen corresponding path program 1 times [2022-11-16 11:12:13,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:13,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440534993] [2022-11-16 11:12:13,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:13,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:13,421 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 11:12:13,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:13,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440534993] [2022-11-16 11:12:13,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440534993] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:13,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:13,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:13,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429337105] [2022-11-16 11:12:13,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:13,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:13,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:13,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:13,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:13,426 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-16 11:12:13,427 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 382 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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 11:12:13,427 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:13,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-16 11:12:13,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:13,706 INFO L130 PetriNetUnfolder]: 77/1250 cut-off events. [2022-11-16 11:12:13,706 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-16 11:12:13,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1326 conditions, 1250 events. 77/1250 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 8217 event pairs, 12 based on Foata normal form. 0/1046 useless extension candidates. Maximal degree in co-relation 1148. Up to 49 conditions per place. [2022-11-16 11:12:13,720 INFO L137 encePairwiseOnDemand]: 419/425 looper letters, 16 selfloop transitions, 3 changer transitions 0/384 dead transitions. [2022-11-16 11:12:13,721 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 384 transitions, 824 flow [2022-11-16 11:12:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:13,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:13,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2022-11-16 11:12:13,724 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9537254901960784 [2022-11-16 11:12:13,725 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2022-11-16 11:12:13,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2022-11-16 11:12:13,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:13,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2022-11-16 11:12:13,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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 11:12:13,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:13,732 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:13,732 INFO L175 Difference]: Start difference. First operand has 375 places, 382 transitions, 780 flow. Second operand 3 states and 1216 transitions. [2022-11-16 11:12:13,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 384 transitions, 824 flow [2022-11-16 11:12:13,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 384 transitions, 824 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:12:13,739 INFO L231 Difference]: Finished difference. Result has 375 places, 382 transitions, 795 flow [2022-11-16 11:12:13,740 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=795, PETRI_PLACES=375, PETRI_TRANSITIONS=382} [2022-11-16 11:12:13,741 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-16 11:12:13,741 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 382 transitions, 795 flow [2022-11-16 11:12:13,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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 11:12:13,742 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:13,742 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, 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 11:12:13,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:12:13,742 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:13,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:13,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1700780560, now seen corresponding path program 1 times [2022-11-16 11:12:13,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:13,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46399294] [2022-11-16 11:12:13,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:13,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:13,795 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 11:12:13,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:13,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46399294] [2022-11-16 11:12:13,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46399294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:13,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:13,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:13,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028908144] [2022-11-16 11:12:13,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:13,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:13,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:13,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:13,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:13,799 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-16 11:12:13,800 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 382 transitions, 795 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 11:12:13,801 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:13,801 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-16 11:12:13,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:14,095 INFO L130 PetriNetUnfolder]: 70/1323 cut-off events. [2022-11-16 11:12:14,095 INFO L131 PetriNetUnfolder]: For 11/16 co-relation queries the response was YES. [2022-11-16 11:12:14,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1419 conditions, 1323 events. 70/1323 cut-off events. For 11/16 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 9447 event pairs, 4 based on Foata normal form. 1/1134 useless extension candidates. Maximal degree in co-relation 1156. Up to 53 conditions per place. [2022-11-16 11:12:14,118 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 17 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2022-11-16 11:12:14,118 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 387 transitions, 848 flow [2022-11-16 11:12:14,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:14,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:14,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2022-11-16 11:12:14,122 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.96 [2022-11-16 11:12:14,122 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2022-11-16 11:12:14,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2022-11-16 11:12:14,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:14,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2022-11-16 11:12:14,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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 11:12:14,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:14,130 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:14,130 INFO L175 Difference]: Start difference. First operand has 375 places, 382 transitions, 795 flow. Second operand 3 states and 1224 transitions. [2022-11-16 11:12:14,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 387 transitions, 848 flow [2022-11-16 11:12:14,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 387 transitions, 848 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:12:14,138 INFO L231 Difference]: Finished difference. Result has 376 places, 382 transitions, 805 flow [2022-11-16 11:12:14,139 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=805, PETRI_PLACES=376, PETRI_TRANSITIONS=382} [2022-11-16 11:12:14,140 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-16 11:12:14,140 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 382 transitions, 805 flow [2022-11-16 11:12:14,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 11:12:14,141 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:14,141 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, 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 11:12:14,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:12:14,141 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:14,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:14,142 INFO L85 PathProgramCache]: Analyzing trace with hash -757028717, now seen corresponding path program 1 times [2022-11-16 11:12:14,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:14,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548017450] [2022-11-16 11:12:14,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:14,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:14,207 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 11:12:14,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:14,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548017450] [2022-11-16 11:12:14,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548017450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:14,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:14,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:14,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400876589] [2022-11-16 11:12:14,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:14,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:14,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:14,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:14,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:14,212 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 425 [2022-11-16 11:12:14,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 382 transitions, 805 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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 11:12:14,213 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:14,214 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 425 [2022-11-16 11:12:14,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:14,458 INFO L130 PetriNetUnfolder]: 57/1093 cut-off events. [2022-11-16 11:12:14,458 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-16 11:12:14,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 1093 events. 57/1093 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 7145 event pairs, 8 based on Foata normal form. 0/937 useless extension candidates. Maximal degree in co-relation 1010. Up to 36 conditions per place. [2022-11-16 11:12:14,477 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 13 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-11-16 11:12:14,477 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 383 transitions, 839 flow [2022-11-16 11:12:14,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:14,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1222 transitions. [2022-11-16 11:12:14,481 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9584313725490196 [2022-11-16 11:12:14,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1222 transitions. [2022-11-16 11:12:14,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1222 transitions. [2022-11-16 11:12:14,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:14,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1222 transitions. [2022-11-16 11:12:14,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 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 11:12:14,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:14,488 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:14,488 INFO L175 Difference]: Start difference. First operand has 376 places, 382 transitions, 805 flow. Second operand 3 states and 1222 transitions. [2022-11-16 11:12:14,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 383 transitions, 839 flow [2022-11-16 11:12:14,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 383 transitions, 839 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:12:14,496 INFO L231 Difference]: Finished difference. Result has 377 places, 381 transitions, 807 flow [2022-11-16 11:12:14,497 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=377, PETRI_TRANSITIONS=381} [2022-11-16 11:12:14,497 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -13 predicate places. [2022-11-16 11:12:14,498 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 381 transitions, 807 flow [2022-11-16 11:12:14,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 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 11:12:14,499 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:14,499 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, 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 11:12:14,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:12:14,499 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:14,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:14,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1194130776, now seen corresponding path program 1 times [2022-11-16 11:12:14,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:14,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098433321] [2022-11-16 11:12:14,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:14,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:14,540 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 11:12:14,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:14,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098433321] [2022-11-16 11:12:14,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098433321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:14,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:14,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:14,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779420403] [2022-11-16 11:12:14,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:14,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:14,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:14,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:14,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:14,544 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-16 11:12:14,546 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 381 transitions, 807 flow. Second operand has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 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 11:12:14,546 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:14,546 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-16 11:12:14,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:15,352 INFO L130 PetriNetUnfolder]: 348/4071 cut-off events. [2022-11-16 11:12:15,352 INFO L131 PetriNetUnfolder]: For 62/164 co-relation queries the response was YES. [2022-11-16 11:12:15,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4480 conditions, 4071 events. 348/4071 cut-off events. For 62/164 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 42193 event pairs, 100 based on Foata normal form. 0/3422 useless extension candidates. Maximal degree in co-relation 3661. Up to 312 conditions per place. [2022-11-16 11:12:15,396 INFO L137 encePairwiseOnDemand]: 417/425 looper letters, 18 selfloop transitions, 4 changer transitions 0/383 dead transitions. [2022-11-16 11:12:15,396 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 383 transitions, 857 flow [2022-11-16 11:12:15,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1211 transitions. [2022-11-16 11:12:15,399 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9498039215686275 [2022-11-16 11:12:15,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1211 transitions. [2022-11-16 11:12:15,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1211 transitions. [2022-11-16 11:12:15,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:15,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1211 transitions. [2022-11-16 11:12:15,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 403.6666666666667) internal successors, (1211), 3 states have internal predecessors, (1211), 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 11:12:15,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:15,406 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:15,406 INFO L175 Difference]: Start difference. First operand has 377 places, 381 transitions, 807 flow. Second operand 3 states and 1211 transitions. [2022-11-16 11:12:15,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 383 transitions, 857 flow [2022-11-16 11:12:15,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 383 transitions, 853 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:15,414 INFO L231 Difference]: Finished difference. Result has 374 places, 381 transitions, 823 flow [2022-11-16 11:12:15,415 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=823, PETRI_PLACES=374, PETRI_TRANSITIONS=381} [2022-11-16 11:12:15,415 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-16 11:12:15,416 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 381 transitions, 823 flow [2022-11-16 11:12:15,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 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 11:12:15,416 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:15,416 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, 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 11:12:15,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:12:15,417 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:15,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:15,417 INFO L85 PathProgramCache]: Analyzing trace with hash -223492817, now seen corresponding path program 1 times [2022-11-16 11:12:15,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:15,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629396422] [2022-11-16 11:12:15,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:15,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:15,457 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 11:12:15,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:15,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629396422] [2022-11-16 11:12:15,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629396422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:15,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:15,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:15,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231898113] [2022-11-16 11:12:15,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:15,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:15,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:15,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:15,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:15,460 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 425 [2022-11-16 11:12:15,462 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 381 transitions, 823 flow. Second operand has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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 11:12:15,462 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:15,462 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 425 [2022-11-16 11:12:15,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:16,019 INFO L130 PetriNetUnfolder]: 169/3078 cut-off events. [2022-11-16 11:12:16,020 INFO L131 PetriNetUnfolder]: For 31/36 co-relation queries the response was YES. [2022-11-16 11:12:16,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3314 conditions, 3078 events. 169/3078 cut-off events. For 31/36 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 28653 event pairs, 20 based on Foata normal form. 3/2650 useless extension candidates. Maximal degree in co-relation 2934. Up to 133 conditions per place. [2022-11-16 11:12:16,051 INFO L137 encePairwiseOnDemand]: 419/425 looper letters, 19 selfloop transitions, 3 changer transitions 0/386 dead transitions. [2022-11-16 11:12:16,051 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 386 transitions, 882 flow [2022-11-16 11:12:16,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:16,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:16,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1219 transitions. [2022-11-16 11:12:16,055 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.956078431372549 [2022-11-16 11:12:16,055 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1219 transitions. [2022-11-16 11:12:16,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1219 transitions. [2022-11-16 11:12:16,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:16,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1219 transitions. [2022-11-16 11:12:16,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 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 11:12:16,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:16,062 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:16,063 INFO L175 Difference]: Start difference. First operand has 374 places, 381 transitions, 823 flow. Second operand 3 states and 1219 transitions. [2022-11-16 11:12:16,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 386 transitions, 882 flow [2022-11-16 11:12:16,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 386 transitions, 882 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:12:16,070 INFO L231 Difference]: Finished difference. Result has 374 places, 381 transitions, 838 flow [2022-11-16 11:12:16,071 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=374, PETRI_TRANSITIONS=381} [2022-11-16 11:12:16,071 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-16 11:12:16,071 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 381 transitions, 838 flow [2022-11-16 11:12:16,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 399.6666666666667) internal successors, (1199), 3 states have internal predecessors, (1199), 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 11:12:16,072 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:16,072 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, 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] [2022-11-16 11:12:16,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:12:16,073 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:16,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:16,073 INFO L85 PathProgramCache]: Analyzing trace with hash -874210308, now seen corresponding path program 1 times [2022-11-16 11:12:16,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:16,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955506496] [2022-11-16 11:12:16,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:16,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:16,113 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 11:12:16,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:16,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955506496] [2022-11-16 11:12:16,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955506496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:16,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:16,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:16,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913527381] [2022-11-16 11:12:16,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:16,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:16,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:16,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:16,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:16,118 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-16 11:12:16,119 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 381 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 11:12:16,119 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:16,119 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-16 11:12:16,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:16,684 INFO L130 PetriNetUnfolder]: 114/2645 cut-off events. [2022-11-16 11:12:16,685 INFO L131 PetriNetUnfolder]: For 27/30 co-relation queries the response was YES. [2022-11-16 11:12:16,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2868 conditions, 2645 events. 114/2645 cut-off events. For 27/30 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 23375 event pairs, 4 based on Foata normal form. 1/2313 useless extension candidates. Maximal degree in co-relation 2416. Up to 68 conditions per place. [2022-11-16 11:12:16,720 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 17 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2022-11-16 11:12:16,720 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 386 transitions, 891 flow [2022-11-16 11:12:16,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:16,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:16,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2022-11-16 11:12:16,724 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.96 [2022-11-16 11:12:16,724 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2022-11-16 11:12:16,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2022-11-16 11:12:16,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:16,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2022-11-16 11:12:16,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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 11:12:16,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:16,731 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:16,732 INFO L175 Difference]: Start difference. First operand has 374 places, 381 transitions, 838 flow. Second operand 3 states and 1224 transitions. [2022-11-16 11:12:16,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 386 transitions, 891 flow [2022-11-16 11:12:16,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 386 transitions, 891 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:12:16,740 INFO L231 Difference]: Finished difference. Result has 375 places, 381 transitions, 848 flow [2022-11-16 11:12:16,741 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=848, PETRI_PLACES=375, PETRI_TRANSITIONS=381} [2022-11-16 11:12:16,742 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-16 11:12:16,742 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 381 transitions, 848 flow [2022-11-16 11:12:16,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 11:12:16,742 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:16,743 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, 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] [2022-11-16 11:12:16,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:12:16,743 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:16,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:16,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1078542862, now seen corresponding path program 1 times [2022-11-16 11:12:16,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:16,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375797776] [2022-11-16 11:12:16,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:16,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:16,798 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 11:12:16,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:16,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375797776] [2022-11-16 11:12:16,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375797776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:16,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:16,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:16,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896717130] [2022-11-16 11:12:16,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:16,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:16,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:16,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:16,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:16,802 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 425 [2022-11-16 11:12:16,803 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 381 transitions, 848 flow. Second operand has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 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 11:12:16,803 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:16,803 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 425 [2022-11-16 11:12:16,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:17,601 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1029] L50-38-->L50-39: Formula: true InVars {} OutVars{thread2Thread1of1ForFork2_#t~nondet12#1=|v_thread2Thread1of1ForFork2_#t~nondet12#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_#t~nondet12#1][156], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 146#L50-39true, 474#(= |#race~is_null_6~0| 0), Black: 463#true, 487#true, 169#L78-7true, Black: 472#true]) [2022-11-16 11:12:17,601 INFO L383 tUnfolder$Statistics]: this new event has 207 ancestors and is cut-off event [2022-11-16 11:12:17,601 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-16 11:12:17,602 INFO L386 tUnfolder$Statistics]: existing Event has 171 ancestors and is cut-off event [2022-11-16 11:12:17,602 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-16 11:12:17,670 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1176] thread1EXIT-->L78-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem43#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][230], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 146#L50-39true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 169#L78-7true, Black: 472#true]) [2022-11-16 11:12:17,673 INFO L383 tUnfolder$Statistics]: this new event has 171 ancestors and is not cut-off event [2022-11-16 11:12:17,673 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is not cut-off event [2022-11-16 11:12:17,673 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is not cut-off event [2022-11-16 11:12:17,674 INFO L386 tUnfolder$Statistics]: existing Event has 207 ancestors and is not cut-off event [2022-11-16 11:12:17,675 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1176] thread1EXIT-->L78-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem43#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][286], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 148#L50-40true, Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 489#(= |#race~result_10~0| |thread2Thread1of1ForFork2_#t~nondet12#1|), 169#L78-7true, Black: 472#true]) [2022-11-16 11:12:17,675 INFO L383 tUnfolder$Statistics]: this new event has 172 ancestors and is cut-off event [2022-11-16 11:12:17,675 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-16 11:12:17,675 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-16 11:12:17,676 INFO L386 tUnfolder$Statistics]: existing Event has 208 ancestors and is cut-off event [2022-11-16 11:12:17,683 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1176] thread1EXIT-->L78-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem43#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][286], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 489#(= |#race~result_10~0| |thread2Thread1of1ForFork2_#t~nondet12#1|), 169#L78-7true, 98#L50-41true, Black: 472#true]) [2022-11-16 11:12:17,683 INFO L383 tUnfolder$Statistics]: this new event has 173 ancestors and is cut-off event [2022-11-16 11:12:17,684 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-16 11:12:17,684 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-16 11:12:17,684 INFO L386 tUnfolder$Statistics]: existing Event has 209 ancestors and is cut-off event [2022-11-16 11:12:17,719 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1176] thread1EXIT-->L78-7: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem43#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork1_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem43#1=|v_ULTIMATE.start_main_#t~mem43#1_5|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_4, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_4} AuxVars[] AssignedVars[][230], [Black: 477#true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 86#thread3ENTRYtrue, Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 108#L52true, Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 169#L78-7true, Black: 472#true]) [2022-11-16 11:12:17,720 INFO L383 tUnfolder$Statistics]: this new event has 179 ancestors and is cut-off event [2022-11-16 11:12:17,720 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is cut-off event [2022-11-16 11:12:17,720 INFO L386 tUnfolder$Statistics]: existing Event has 215 ancestors and is cut-off event [2022-11-16 11:12:17,721 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is cut-off event [2022-11-16 11:12:17,814 INFO L130 PetriNetUnfolder]: 227/3961 cut-off events. [2022-11-16 11:12:17,814 INFO L131 PetriNetUnfolder]: For 54/111 co-relation queries the response was YES. [2022-11-16 11:12:17,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4455 conditions, 3961 events. 227/3961 cut-off events. For 54/111 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 38631 event pairs, 28 based on Foata normal form. 1/3426 useless extension candidates. Maximal degree in co-relation 3662. Up to 144 conditions per place. [2022-11-16 11:12:17,891 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 16 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2022-11-16 11:12:17,892 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 382 transitions, 888 flow [2022-11-16 11:12:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2022-11-16 11:12:17,896 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9537254901960784 [2022-11-16 11:12:17,897 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2022-11-16 11:12:17,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2022-11-16 11:12:17,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:17,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2022-11-16 11:12:17,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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 11:12:17,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:17,908 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:17,908 INFO L175 Difference]: Start difference. First operand has 375 places, 381 transitions, 848 flow. Second operand 3 states and 1216 transitions. [2022-11-16 11:12:17,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 382 transitions, 888 flow [2022-11-16 11:12:17,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 382 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:12:17,922 INFO L231 Difference]: Finished difference. Result has 376 places, 380 transitions, 850 flow [2022-11-16 11:12:17,922 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=846, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=850, PETRI_PLACES=376, PETRI_TRANSITIONS=380} [2022-11-16 11:12:17,923 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-16 11:12:17,923 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 380 transitions, 850 flow [2022-11-16 11:12:17,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.6666666666667) internal successors, (1202), 3 states have internal predecessors, (1202), 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 11:12:17,924 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:17,925 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, 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] [2022-11-16 11:12:17,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 11:12:17,925 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:17,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:17,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1697516319, now seen corresponding path program 1 times [2022-11-16 11:12:17,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:17,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399863677] [2022-11-16 11:12:17,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:17,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:18,004 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 11:12:18,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:18,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399863677] [2022-11-16 11:12:18,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399863677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:18,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:18,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:18,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429317844] [2022-11-16 11:12:18,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:18,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:18,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:18,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:18,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:18,010 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-16 11:12:18,012 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 380 transitions, 850 flow. Second operand has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 11:12:18,012 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:18,012 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-16 11:12:18,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:18,878 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][351], [Black: 477#true, 493#(= |#race~filename_4~0| 0), 299#L56-24true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 484#(= |#race~filename_1~0| 0), 465#(= 0 |#race~filename_is_null_2~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:18,879 INFO L383 tUnfolder$Statistics]: this new event has 202 ancestors and is cut-off event [2022-11-16 11:12:18,879 INFO L386 tUnfolder$Statistics]: existing Event has 238 ancestors and is cut-off event [2022-11-16 11:12:18,879 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-16 11:12:18,879 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is cut-off event [2022-11-16 11:12:18,879 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][351], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 484#(= |#race~filename_1~0| 0), 465#(= 0 |#race~filename_is_null_2~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 309#L56-25true, 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:18,880 INFO L383 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2022-11-16 11:12:18,880 INFO L386 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-11-16 11:12:18,880 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-16 11:12:18,880 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-16 11:12:18,911 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][351], [Black: 477#true, 493#(= |#race~filename_4~0| 0), 299#L56-24true, Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:18,911 INFO L383 tUnfolder$Statistics]: this new event has 202 ancestors and is not cut-off event [2022-11-16 11:12:18,911 INFO L386 tUnfolder$Statistics]: existing Event has 238 ancestors and is not cut-off event [2022-11-16 11:12:18,911 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is not cut-off event [2022-11-16 11:12:18,911 INFO L386 tUnfolder$Statistics]: existing Event has 210 ancestors and is not cut-off event [2022-11-16 11:12:18,912 INFO L386 tUnfolder$Statistics]: existing Event has 202 ancestors and is not cut-off event [2022-11-16 11:12:18,912 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][351], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 487#true, 309#L56-25true, 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:18,912 INFO L383 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2022-11-16 11:12:18,912 INFO L386 tUnfolder$Statistics]: existing Event has 239 ancestors and is cut-off event [2022-11-16 11:12:18,912 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-16 11:12:18,912 INFO L386 tUnfolder$Statistics]: existing Event has 211 ancestors and is cut-off event [2022-11-16 11:12:18,913 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is cut-off event [2022-11-16 11:12:18,950 INFO L130 PetriNetUnfolder]: 126/3520 cut-off events. [2022-11-16 11:12:18,950 INFO L131 PetriNetUnfolder]: For 63/81 co-relation queries the response was YES. [2022-11-16 11:12:18,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3841 conditions, 3520 events. 126/3520 cut-off events. For 63/81 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 31693 event pairs, 14 based on Foata normal form. 0/3128 useless extension candidates. Maximal degree in co-relation 3404. Up to 140 conditions per place. [2022-11-16 11:12:18,991 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 17 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2022-11-16 11:12:18,991 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 385 transitions, 903 flow [2022-11-16 11:12:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2022-11-16 11:12:18,995 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.96 [2022-11-16 11:12:18,996 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2022-11-16 11:12:18,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2022-11-16 11:12:18,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:18,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2022-11-16 11:12:19,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 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 11:12:19,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:19,004 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:19,004 INFO L175 Difference]: Start difference. First operand has 376 places, 380 transitions, 850 flow. Second operand 3 states and 1224 transitions. [2022-11-16 11:12:19,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 385 transitions, 903 flow [2022-11-16 11:12:19,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 385 transitions, 899 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:19,012 INFO L231 Difference]: Finished difference. Result has 375 places, 380 transitions, 856 flow [2022-11-16 11:12:19,013 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=375, PETRI_TRANSITIONS=380} [2022-11-16 11:12:19,014 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-16 11:12:19,014 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 380 transitions, 856 flow [2022-11-16 11:12:19,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.6666666666667) internal successors, (1208), 3 states have internal predecessors, (1208), 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 11:12:19,015 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:19,015 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, 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] [2022-11-16 11:12:19,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 11:12:19,015 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:19,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:19,016 INFO L85 PathProgramCache]: Analyzing trace with hash 844651363, now seen corresponding path program 1 times [2022-11-16 11:12:19,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:19,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776379060] [2022-11-16 11:12:19,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:19,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:19,061 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 11:12:19,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:19,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776379060] [2022-11-16 11:12:19,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776379060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:19,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:19,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:19,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665240231] [2022-11-16 11:12:19,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:19,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:19,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:19,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:19,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:19,065 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 395 out of 425 [2022-11-16 11:12:19,066 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 380 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 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 11:12:19,067 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:19,067 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 395 of 425 [2022-11-16 11:12:19,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:20,687 INFO L130 PetriNetUnfolder]: 454/7734 cut-off events. [2022-11-16 11:12:20,687 INFO L131 PetriNetUnfolder]: For 145/157 co-relation queries the response was YES. [2022-11-16 11:12:20,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8697 conditions, 7734 events. 454/7734 cut-off events. For 145/157 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 91624 event pairs, 76 based on Foata normal form. 1/6981 useless extension candidates. Maximal degree in co-relation 7706. Up to 616 conditions per place. [2022-11-16 11:12:20,786 INFO L137 encePairwiseOnDemand]: 417/425 looper letters, 20 selfloop transitions, 4 changer transitions 0/384 dead transitions. [2022-11-16 11:12:20,787 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 384 transitions, 916 flow [2022-11-16 11:12:20,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:20,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:20,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1213 transitions. [2022-11-16 11:12:20,791 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9513725490196079 [2022-11-16 11:12:20,791 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1213 transitions. [2022-11-16 11:12:20,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1213 transitions. [2022-11-16 11:12:20,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:20,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1213 transitions. [2022-11-16 11:12:20,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 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 11:12:20,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:20,800 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:20,801 INFO L175 Difference]: Start difference. First operand has 375 places, 380 transitions, 856 flow. Second operand 3 states and 1213 transitions. [2022-11-16 11:12:20,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 384 transitions, 916 flow [2022-11-16 11:12:20,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 384 transitions, 916 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:12:20,809 INFO L231 Difference]: Finished difference. Result has 374 places, 380 transitions, 876 flow [2022-11-16 11:12:20,810 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=876, PETRI_PLACES=374, PETRI_TRANSITIONS=380} [2022-11-16 11:12:20,811 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-16 11:12:20,811 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 380 transitions, 876 flow [2022-11-16 11:12:20,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.0) internal successors, (1191), 3 states have internal predecessors, (1191), 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 11:12:20,812 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:20,812 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, 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] [2022-11-16 11:12:20,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 11:12:20,812 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:20,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:20,813 INFO L85 PathProgramCache]: Analyzing trace with hash 2118527559, now seen corresponding path program 1 times [2022-11-16 11:12:20,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:20,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143373039] [2022-11-16 11:12:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:20,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:21,367 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 11:12:21,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:21,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143373039] [2022-11-16 11:12:21,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143373039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:21,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:21,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:12:21,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459931756] [2022-11-16 11:12:21,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:21,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:12:21,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:21,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:12:21,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:12:21,374 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 425 [2022-11-16 11:12:21,376 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 380 transitions, 876 flow. Second operand has 6 states, 6 states have (on average 388.0) internal successors, (2328), 6 states have internal predecessors, (2328), 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 11:12:21,377 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:21,377 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 425 [2022-11-16 11:12:21,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:22,354 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][355], [Black: 477#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 317#L80-7true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, Black: 472#true]) [2022-11-16 11:12:22,355 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-16 11:12:22,355 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-16 11:12:22,355 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-16 11:12:22,355 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-16 11:12:22,381 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][355], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 317#L80-7true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:22,381 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-16 11:12:22,382 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-16 11:12:22,382 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:22,382 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:22,382 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][355], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 317#L80-7true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:22,383 INFO L383 tUnfolder$Statistics]: this new event has 231 ancestors and is cut-off event [2022-11-16 11:12:22,383 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-16 11:12:22,383 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:22,383 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:22,383 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:22,386 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][355], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 317#L80-7true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:22,386 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-16 11:12:22,387 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is cut-off event [2022-11-16 11:12:22,387 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:22,387 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:22,387 INFO L386 tUnfolder$Statistics]: existing Event has 231 ancestors and is cut-off event [2022-11-16 11:12:22,387 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:22,397 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][355], [Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:22,398 INFO L383 tUnfolder$Statistics]: this new event has 223 ancestors and is not cut-off event [2022-11-16 11:12:22,398 INFO L386 tUnfolder$Statistics]: existing Event has 223 ancestors and is not cut-off event [2022-11-16 11:12:22,398 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-16 11:12:22,398 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-16 11:12:22,398 INFO L386 tUnfolder$Statistics]: existing Event has 231 ancestors and is not cut-off event [2022-11-16 11:12:22,399 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-16 11:12:22,399 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-16 11:12:22,424 INFO L130 PetriNetUnfolder]: 123/3674 cut-off events. [2022-11-16 11:12:22,424 INFO L131 PetriNetUnfolder]: For 7/111 co-relation queries the response was YES. [2022-11-16 11:12:22,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4135 conditions, 3674 events. 123/3674 cut-off events. For 7/111 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 35178 event pairs, 0 based on Foata normal form. 28/3316 useless extension candidates. Maximal degree in co-relation 3540. Up to 104 conditions per place. [2022-11-16 11:12:22,486 INFO L137 encePairwiseOnDemand]: 420/425 looper letters, 23 selfloop transitions, 4 changer transitions 0/379 dead transitions. [2022-11-16 11:12:22,486 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 379 transitions, 928 flow [2022-11-16 11:12:22,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:12:22,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:12:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2344 transitions. [2022-11-16 11:12:22,494 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9192156862745098 [2022-11-16 11:12:22,494 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2344 transitions. [2022-11-16 11:12:22,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2344 transitions. [2022-11-16 11:12:22,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:22,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2344 transitions. [2022-11-16 11:12:22,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 390.6666666666667) internal successors, (2344), 6 states have internal predecessors, (2344), 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 11:12:22,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 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 11:12:22,510 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 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 11:12:22,510 INFO L175 Difference]: Start difference. First operand has 374 places, 380 transitions, 876 flow. Second operand 6 states and 2344 transitions. [2022-11-16 11:12:22,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 379 transitions, 928 flow [2022-11-16 11:12:22,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 379 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:12:22,520 INFO L231 Difference]: Finished difference. Result has 378 places, 379 transitions, 882 flow [2022-11-16 11:12:22,520 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=882, PETRI_PLACES=378, PETRI_TRANSITIONS=379} [2022-11-16 11:12:22,521 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-16 11:12:22,521 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 379 transitions, 882 flow [2022-11-16 11:12:22,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 388.0) internal successors, (2328), 6 states have internal predecessors, (2328), 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 11:12:22,523 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:22,523 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, 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] [2022-11-16 11:12:22,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 11:12:22,523 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:22,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:22,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1276407302, now seen corresponding path program 1 times [2022-11-16 11:12:22,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:22,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071564297] [2022-11-16 11:12:22,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:22,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:22,576 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 11:12:22,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:22,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071564297] [2022-11-16 11:12:22,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071564297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:22,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:22,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:22,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366105974] [2022-11-16 11:12:22,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:22,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:22,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:22,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:22,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:22,581 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-16 11:12:22,583 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 379 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 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 11:12:22,583 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:22,583 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-16 11:12:22,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:23,701 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][358], [Black: 477#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 498#(= 0 |#race~filename_is_null_8~0|), 508#true, Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, Black: 472#true]) [2022-11-16 11:12:23,702 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-16 11:12:23,702 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-16 11:12:23,702 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-16 11:12:23,702 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-16 11:12:23,829 INFO L130 PetriNetUnfolder]: 240/6026 cut-off events. [2022-11-16 11:12:23,829 INFO L131 PetriNetUnfolder]: For 93/99 co-relation queries the response was YES. [2022-11-16 11:12:23,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6712 conditions, 6026 events. 240/6026 cut-off events. For 93/99 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 64697 event pairs, 20 based on Foata normal form. 0/5498 useless extension candidates. Maximal degree in co-relation 6382. Up to 300 conditions per place. [2022-11-16 11:12:23,933 INFO L137 encePairwiseOnDemand]: 421/425 looper letters, 16 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2022-11-16 11:12:23,933 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 383 transitions, 930 flow [2022-11-16 11:12:23,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:23,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1223 transitions. [2022-11-16 11:12:23,938 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9592156862745098 [2022-11-16 11:12:23,938 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1223 transitions. [2022-11-16 11:12:23,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1223 transitions. [2022-11-16 11:12:23,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:23,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1223 transitions. [2022-11-16 11:12:23,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 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 11:12:23,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:23,946 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:23,946 INFO L175 Difference]: Start difference. First operand has 378 places, 379 transitions, 882 flow. Second operand 3 states and 1223 transitions. [2022-11-16 11:12:23,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 383 transitions, 930 flow [2022-11-16 11:12:23,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 383 transitions, 923 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:12:23,954 INFO L231 Difference]: Finished difference. Result has 375 places, 379 transitions, 885 flow [2022-11-16 11:12:23,955 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=871, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=885, PETRI_PLACES=375, PETRI_TRANSITIONS=379} [2022-11-16 11:12:23,955 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-16 11:12:23,956 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 379 transitions, 885 flow [2022-11-16 11:12:23,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.0) internal successors, (1209), 3 states have internal predecessors, (1209), 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 11:12:23,956 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:23,957 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, 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] [2022-11-16 11:12:23,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 11:12:23,957 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:23,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:23,958 INFO L85 PathProgramCache]: Analyzing trace with hash 54763078, now seen corresponding path program 1 times [2022-11-16 11:12:23,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:23,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671548556] [2022-11-16 11:12:23,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:23,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:24,022 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 11:12:24,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:24,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671548556] [2022-11-16 11:12:24,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671548556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:24,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:24,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:24,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594521045] [2022-11-16 11:12:24,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:24,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:24,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:24,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:24,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:24,028 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 425 [2022-11-16 11:12:24,030 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 379 transitions, 885 flow. Second operand has 3 states, 3 states have (on average 401.0) internal successors, (1203), 3 states have internal predecessors, (1203), 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 11:12:24,030 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:24,030 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 425 [2022-11-16 11:12:24,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:25,126 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1108] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][217], [75#L56-39true, Black: 477#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 508#true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 513#true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:25,126 INFO L383 tUnfolder$Statistics]: this new event has 177 ancestors and is not cut-off event [2022-11-16 11:12:25,126 INFO L386 tUnfolder$Statistics]: existing Event has 185 ancestors and is not cut-off event [2022-11-16 11:12:25,127 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is not cut-off event [2022-11-16 11:12:25,127 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is not cut-off event [2022-11-16 11:12:25,288 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1108] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][217], [Black: 508#true, 75#L56-39true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:25,288 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,289 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-16 11:12:25,289 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,289 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-16 11:12:25,396 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [75#L56-39true, Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 513#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:25,396 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,396 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-16 11:12:25,397 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,397 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-16 11:12:25,397 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 515#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:25,397 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-16 11:12:25,398 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:25,398 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:25,398 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-16 11:12:25,399 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 173#L56-41true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 515#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:25,399 INFO L383 tUnfolder$Statistics]: this new event has 243 ancestors and is cut-off event [2022-11-16 11:12:25,399 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-16 11:12:25,399 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-16 11:12:25,399 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-16 11:12:25,404 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1108] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][217], [75#L56-39true, Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:25,404 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,404 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-16 11:12:25,405 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,405 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,405 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-16 11:12:25,406 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [75#L56-39true, Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 513#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:25,406 INFO L383 tUnfolder$Statistics]: this new event has 233 ancestors and is cut-off event [2022-11-16 11:12:25,406 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-16 11:12:25,406 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,406 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-16 11:12:25,407 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,407 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1108] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][217], [Black: 508#true, 75#L56-39true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:25,407 INFO L383 tUnfolder$Statistics]: this new event has 269 ancestors and is cut-off event [2022-11-16 11:12:25,408 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-16 11:12:25,408 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,408 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,408 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,408 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is cut-off event [2022-11-16 11:12:25,438 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 513#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 48#L58true, Black: 472#true]) [2022-11-16 11:12:25,438 INFO L383 tUnfolder$Statistics]: this new event has 249 ancestors and is cut-off event [2022-11-16 11:12:25,438 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,439 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,439 INFO L386 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-11-16 11:12:25,441 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1108] L56-38-->L56-39: Formula: true InVars {} OutVars{thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_1|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#t~nondet18#1][217], [75#L56-39true, Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:25,442 INFO L383 tUnfolder$Statistics]: this new event has 233 ancestors and is not cut-off event [2022-11-16 11:12:25,442 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-11-16 11:12:25,442 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-11-16 11:12:25,442 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-11-16 11:12:25,443 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is not cut-off event [2022-11-16 11:12:25,443 INFO L386 tUnfolder$Statistics]: existing Event has 269 ancestors and is not cut-off event [2022-11-16 11:12:25,443 INFO L386 tUnfolder$Statistics]: existing Event has 233 ancestors and is not cut-off event [2022-11-16 11:12:25,444 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 515#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:25,444 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is cut-off event [2022-11-16 11:12:25,444 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:25,444 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:25,444 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-16 11:12:25,445 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-16 11:12:25,448 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][347], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), 173#L56-41true, Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 515#(= |#race~result_11~0| |thread3Thread1of1ForFork0_#t~nondet18#1|), 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:25,449 INFO L383 tUnfolder$Statistics]: this new event has 235 ancestors and is cut-off event [2022-11-16 11:12:25,449 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-16 11:12:25,449 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-16 11:12:25,449 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-16 11:12:25,450 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-16 11:12:25,459 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][341], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 48#L58true, Black: 472#true]) [2022-11-16 11:12:25,460 INFO L383 tUnfolder$Statistics]: this new event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,460 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,460 INFO L386 tUnfolder$Statistics]: existing Event has 241 ancestors and is cut-off event [2022-11-16 11:12:25,461 INFO L386 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-11-16 11:12:25,461 INFO L386 tUnfolder$Statistics]: existing Event has 249 ancestors and is cut-off event [2022-11-16 11:12:25,471 INFO L130 PetriNetUnfolder]: 395/5117 cut-off events. [2022-11-16 11:12:25,471 INFO L131 PetriNetUnfolder]: For 280/329 co-relation queries the response was YES. [2022-11-16 11:12:25,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6468 conditions, 5117 events. 395/5117 cut-off events. For 280/329 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 55331 event pairs, 96 based on Foata normal form. 0/4679 useless extension candidates. Maximal degree in co-relation 6343. Up to 507 conditions per place. [2022-11-16 11:12:25,543 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 15 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2022-11-16 11:12:25,543 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 380 transitions, 923 flow [2022-11-16 11:12:25,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:25,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:25,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1215 transitions. [2022-11-16 11:12:25,549 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9529411764705882 [2022-11-16 11:12:25,549 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1215 transitions. [2022-11-16 11:12:25,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1215 transitions. [2022-11-16 11:12:25,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:25,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1215 transitions. [2022-11-16 11:12:25,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 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 11:12:25,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:25,560 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:25,561 INFO L175 Difference]: Start difference. First operand has 375 places, 379 transitions, 885 flow. Second operand 3 states and 1215 transitions. [2022-11-16 11:12:25,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 380 transitions, 923 flow [2022-11-16 11:12:25,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 380 transitions, 923 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:12:25,572 INFO L231 Difference]: Finished difference. Result has 376 places, 378 transitions, 887 flow [2022-11-16 11:12:25,572 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=883, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=887, PETRI_PLACES=376, PETRI_TRANSITIONS=378} [2022-11-16 11:12:25,573 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -14 predicate places. [2022-11-16 11:12:25,573 INFO L495 AbstractCegarLoop]: Abstraction has has 376 places, 378 transitions, 887 flow [2022-11-16 11:12:25,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.0) internal successors, (1203), 3 states have internal predecessors, (1203), 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 11:12:25,574 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:25,575 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:25,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 11:12:25,575 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:25,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:25,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1682185642, now seen corresponding path program 1 times [2022-11-16 11:12:25,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:25,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448798759] [2022-11-16 11:12:25,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:25,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:26,345 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 11:12:26,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:26,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448798759] [2022-11-16 11:12:26,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448798759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:26,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:26,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:12:26,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543327410] [2022-11-16 11:12:26,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:26,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:12:26,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:26,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:12:26,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:12:26,351 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 425 [2022-11-16 11:12:26,353 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 378 transitions, 887 flow. Second operand has 6 states, 6 states have (on average 389.0) internal successors, (2334), 6 states have internal predecessors, (2334), 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 11:12:26,354 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:26,354 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 425 [2022-11-16 11:12:26,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:27,121 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][353], [Black: 477#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 508#true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 317#L80-7true, Black: 463#true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, Black: 472#true]) [2022-11-16 11:12:27,122 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-16 11:12:27,122 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-16 11:12:27,122 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-16 11:12:27,122 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-16 11:12:27,177 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][353], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 317#L80-7true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:27,178 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-16 11:12:27,178 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:27,178 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:27,178 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:27,179 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][353], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 317#L80-7true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:27,179 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is cut-off event [2022-11-16 11:12:27,179 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-16 11:12:27,179 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:27,179 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:27,180 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:27,180 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][353], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 513#true, 317#L80-7true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:27,180 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-16 11:12:27,180 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-16 11:12:27,180 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:27,181 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:27,181 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:27,181 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:27,191 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][353], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 317#L80-7true, 474#(= |#race~is_null_6~0| 0), 513#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:27,192 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-16 11:12:27,192 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is not cut-off event [2022-11-16 11:12:27,192 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-16 11:12:27,192 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-16 11:12:27,192 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-16 11:12:27,193 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-16 11:12:27,193 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-16 11:12:27,197 INFO L130 PetriNetUnfolder]: 133/3974 cut-off events. [2022-11-16 11:12:27,197 INFO L131 PetriNetUnfolder]: For 7/106 co-relation queries the response was YES. [2022-11-16 11:12:27,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4718 conditions, 3974 events. 133/3974 cut-off events. For 7/106 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 38449 event pairs, 0 based on Foata normal form. 20/3702 useless extension candidates. Maximal degree in co-relation 4585. Up to 107 conditions per place. [2022-11-16 11:12:27,257 INFO L137 encePairwiseOnDemand]: 420/425 looper letters, 22 selfloop transitions, 4 changer transitions 0/377 dead transitions. [2022-11-16 11:12:27,258 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 377 transitions, 937 flow [2022-11-16 11:12:27,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:12:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:12:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2343 transitions. [2022-11-16 11:12:27,264 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9188235294117647 [2022-11-16 11:12:27,264 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2343 transitions. [2022-11-16 11:12:27,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2343 transitions. [2022-11-16 11:12:27,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:27,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2343 transitions. [2022-11-16 11:12:27,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 390.5) internal successors, (2343), 6 states have internal predecessors, (2343), 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 11:12:27,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 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 11:12:27,278 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 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 11:12:27,278 INFO L175 Difference]: Start difference. First operand has 376 places, 378 transitions, 887 flow. Second operand 6 states and 2343 transitions. [2022-11-16 11:12:27,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 377 transitions, 937 flow [2022-11-16 11:12:27,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 377 transitions, 933 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:12:27,291 INFO L231 Difference]: Finished difference. Result has 378 places, 377 transitions, 889 flow [2022-11-16 11:12:27,292 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=889, PETRI_PLACES=378, PETRI_TRANSITIONS=377} [2022-11-16 11:12:27,292 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-16 11:12:27,292 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 377 transitions, 889 flow [2022-11-16 11:12:27,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 389.0) internal successors, (2334), 6 states have internal predecessors, (2334), 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 11:12:27,293 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:27,294 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, 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, 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 11:12:27,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 11:12:27,294 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:27,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:27,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1649421895, now seen corresponding path program 1 times [2022-11-16 11:12:27,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:27,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599945151] [2022-11-16 11:12:27,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:27,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:27,855 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 11:12:27,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:27,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599945151] [2022-11-16 11:12:27,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599945151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:27,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:27,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:12:27,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096262592] [2022-11-16 11:12:27,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:27,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:12:27,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:27,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:12:27,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:12:27,859 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 386 out of 425 [2022-11-16 11:12:27,862 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 377 transitions, 889 flow. Second operand has 6 states, 6 states have (on average 390.0) internal successors, (2340), 6 states have internal predecessors, (2340), 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 11:12:27,862 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:27,862 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 386 of 425 [2022-11-16 11:12:27,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:28,605 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 477#true, 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 508#true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, Black: 472#true]) [2022-11-16 11:12:28,605 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is not cut-off event [2022-11-16 11:12:28,606 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-16 11:12:28,606 INFO L386 tUnfolder$Statistics]: existing Event has 195 ancestors and is not cut-off event [2022-11-16 11:12:28,606 INFO L386 tUnfolder$Statistics]: existing Event has 203 ancestors and is not cut-off event [2022-11-16 11:12:28,642 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:28,642 INFO L383 tUnfolder$Statistics]: this new event has 287 ancestors and is cut-off event [2022-11-16 11:12:28,642 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:28,642 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:28,642 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:28,642 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 317#L80-7true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:28,642 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is cut-off event [2022-11-16 11:12:28,642 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:28,643 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-16 11:12:28,643 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:28,643 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:28,643 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:28,643 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-16 11:12:28,643 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:28,644 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is cut-off event [2022-11-16 11:12:28,644 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:28,644 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:28,644 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:28,652 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true]) [2022-11-16 11:12:28,652 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-16 11:12:28,652 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-16 11:12:28,652 INFO L386 tUnfolder$Statistics]: existing Event has 287 ancestors and is not cut-off event [2022-11-16 11:12:28,652 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-16 11:12:28,652 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-16 11:12:28,652 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-16 11:12:28,652 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-16 11:12:28,655 INFO L130 PetriNetUnfolder]: 133/3965 cut-off events. [2022-11-16 11:12:28,656 INFO L131 PetriNetUnfolder]: For 10/106 co-relation queries the response was YES. [2022-11-16 11:12:28,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4544 conditions, 3965 events. 133/3965 cut-off events. For 10/106 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 38345 event pairs, 0 based on Foata normal form. 12/3694 useless extension candidates. Maximal degree in co-relation 4411. Up to 107 conditions per place. [2022-11-16 11:12:28,686 INFO L137 encePairwiseOnDemand]: 420/425 looper letters, 21 selfloop transitions, 4 changer transitions 0/376 dead transitions. [2022-11-16 11:12:28,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 376 transitions, 937 flow [2022-11-16 11:12:28,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:12:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:12:28,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2342 transitions. [2022-11-16 11:12:28,691 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9184313725490196 [2022-11-16 11:12:28,691 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2342 transitions. [2022-11-16 11:12:28,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2342 transitions. [2022-11-16 11:12:28,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:28,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2342 transitions. [2022-11-16 11:12:28,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 390.3333333333333) internal successors, (2342), 6 states have internal predecessors, (2342), 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 11:12:28,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 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 11:12:28,704 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 425.0) internal successors, (2975), 7 states have internal predecessors, (2975), 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 11:12:28,704 INFO L175 Difference]: Start difference. First operand has 378 places, 377 transitions, 889 flow. Second operand 6 states and 2342 transitions. [2022-11-16 11:12:28,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 376 transitions, 937 flow [2022-11-16 11:12:28,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 376 transitions, 930 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:12:28,711 INFO L231 Difference]: Finished difference. Result has 378 places, 376 transitions, 888 flow [2022-11-16 11:12:28,712 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=888, PETRI_PLACES=378, PETRI_TRANSITIONS=376} [2022-11-16 11:12:28,712 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2022-11-16 11:12:28,713 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 376 transitions, 888 flow [2022-11-16 11:12:28,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 390.0) internal successors, (2340), 6 states have internal predecessors, (2340), 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 11:12:28,714 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:28,714 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, 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, 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] [2022-11-16 11:12:28,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 11:12:28,714 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:28,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:28,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1224021667, now seen corresponding path program 1 times [2022-11-16 11:12:28,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:28,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493985883] [2022-11-16 11:12:28,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:28,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:28,795 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 11:12:28,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:28,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493985883] [2022-11-16 11:12:28,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493985883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:28,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:28,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:28,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046832992] [2022-11-16 11:12:28,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:28,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:28,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:28,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:28,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:28,798 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 404 out of 425 [2022-11-16 11:12:28,799 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 376 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 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 11:12:28,800 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:28,800 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 404 of 425 [2022-11-16 11:12:28,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:29,833 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 463#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true, 531#true]) [2022-11-16 11:12:29,834 INFO L383 tUnfolder$Statistics]: this new event has 259 ancestors and is cut-off event [2022-11-16 11:12:29,834 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:29,834 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is cut-off event [2022-11-16 11:12:29,834 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is cut-off event [2022-11-16 11:12:29,843 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 463#true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true, 531#true]) [2022-11-16 11:12:29,844 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-16 11:12:29,844 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-16 11:12:29,844 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-16 11:12:29,844 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-16 11:12:29,844 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-16 11:12:29,848 INFO L130 PetriNetUnfolder]: 199/5528 cut-off events. [2022-11-16 11:12:29,848 INFO L131 PetriNetUnfolder]: For 34/61 co-relation queries the response was YES. [2022-11-16 11:12:29,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6325 conditions, 5528 events. 199/5528 cut-off events. For 34/61 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 58457 event pairs, 12 based on Foata normal form. 0/5165 useless extension candidates. Maximal degree in co-relation 5900. Up to 147 conditions per place. [2022-11-16 11:12:29,904 INFO L137 encePairwiseOnDemand]: 423/425 looper letters, 9 selfloop transitions, 1 changer transitions 0/375 dead transitions. [2022-11-16 11:12:29,904 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 375 transitions, 906 flow [2022-11-16 11:12:29,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:29,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:29,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1223 transitions. [2022-11-16 11:12:29,908 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9592156862745098 [2022-11-16 11:12:29,908 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1223 transitions. [2022-11-16 11:12:29,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1223 transitions. [2022-11-16 11:12:29,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:29,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1223 transitions. [2022-11-16 11:12:29,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 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 11:12:29,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:29,918 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:29,918 INFO L175 Difference]: Start difference. First operand has 378 places, 376 transitions, 888 flow. Second operand 3 states and 1223 transitions. [2022-11-16 11:12:29,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 375 transitions, 906 flow [2022-11-16 11:12:29,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 375 transitions, 899 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:12:29,927 INFO L231 Difference]: Finished difference. Result has 375 places, 375 transitions, 881 flow [2022-11-16 11:12:29,928 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=879, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=881, PETRI_PLACES=375, PETRI_TRANSITIONS=375} [2022-11-16 11:12:29,928 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2022-11-16 11:12:29,929 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 375 transitions, 881 flow [2022-11-16 11:12:29,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 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 11:12:29,930 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:29,930 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, 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, 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, 1, 1, 1, 1] [2022-11-16 11:12:29,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-16 11:12:29,930 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:29,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:29,931 INFO L85 PathProgramCache]: Analyzing trace with hash 483030182, now seen corresponding path program 1 times [2022-11-16 11:12:29,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:29,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732578713] [2022-11-16 11:12:29,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:29,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:30,011 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 11:12:30,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:30,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732578713] [2022-11-16 11:12:30,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732578713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:30,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:30,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:30,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323390319] [2022-11-16 11:12:30,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:30,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:30,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:30,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:30,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:30,014 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-16 11:12:30,015 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 375 transitions, 881 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 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 11:12:30,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:30,016 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-16 11:12:30,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:31,041 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1178] thread3EXIT-->L80-7: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem45#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork0_thidvar0_4)) InVars {ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem45#1=|v_ULTIMATE.start_main_#t~mem45#1_5|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][352], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), 529#(and (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ |ULTIMATE.start_main_~#t3~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) |ULTIMATE.start_main_~#t3~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t3~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t3~0#1.offset|)) 0)), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), 317#L80-7true, Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 472#true, 531#true]) [2022-11-16 11:12:31,042 INFO L383 tUnfolder$Statistics]: this new event has 251 ancestors and is not cut-off event [2022-11-16 11:12:31,042 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-16 11:12:31,042 INFO L386 tUnfolder$Statistics]: existing Event has 259 ancestors and is not cut-off event [2022-11-16 11:12:31,042 INFO L386 tUnfolder$Statistics]: existing Event has 251 ancestors and is not cut-off event [2022-11-16 11:12:31,045 INFO L130 PetriNetUnfolder]: 217/6058 cut-off events. [2022-11-16 11:12:31,046 INFO L131 PetriNetUnfolder]: For 51/105 co-relation queries the response was YES. [2022-11-16 11:12:31,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6967 conditions, 6058 events. 217/6058 cut-off events. For 51/105 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 66032 event pairs, 36 based on Foata normal form. 0/5680 useless extension candidates. Maximal degree in co-relation 6667. Up to 166 conditions per place. [2022-11-16 11:12:31,106 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 11 selfloop transitions, 1 changer transitions 0/373 dead transitions. [2022-11-16 11:12:31,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 373 transitions, 901 flow [2022-11-16 11:12:31,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:31,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1217 transitions. [2022-11-16 11:12:31,110 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9545098039215686 [2022-11-16 11:12:31,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1217 transitions. [2022-11-16 11:12:31,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1217 transitions. [2022-11-16 11:12:31,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:31,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1217 transitions. [2022-11-16 11:12:31,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 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 11:12:31,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:31,117 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:31,117 INFO L175 Difference]: Start difference. First operand has 375 places, 375 transitions, 881 flow. Second operand 3 states and 1217 transitions. [2022-11-16 11:12:31,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 373 transitions, 901 flow [2022-11-16 11:12:31,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 373 transitions, 900 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:12:31,125 INFO L231 Difference]: Finished difference. Result has 374 places, 373 transitions, 878 flow [2022-11-16 11:12:31,126 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=878, PETRI_PLACES=374, PETRI_TRANSITIONS=373} [2022-11-16 11:12:31,126 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -16 predicate places. [2022-11-16 11:12:31,126 INFO L495 AbstractCegarLoop]: Abstraction has has 374 places, 373 transitions, 878 flow [2022-11-16 11:12:31,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 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 11:12:31,127 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:12:31,127 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, 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, 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, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:31,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-16 11:12:31,128 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-16 11:12:31,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:31,128 INFO L85 PathProgramCache]: Analyzing trace with hash -2130177276, now seen corresponding path program 1 times [2022-11-16 11:12:31,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:31,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047255762] [2022-11-16 11:12:31,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:31,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:31,223 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 11:12:31,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:12:31,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047255762] [2022-11-16 11:12:31,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047255762] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:12:31,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:12:31,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:12:31,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110283699] [2022-11-16 11:12:31,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:12:31,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:12:31,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:12:31,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:12:31,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:12:31,229 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 401 out of 425 [2022-11-16 11:12:31,230 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 373 transitions, 878 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 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 11:12:31,230 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:12:31,230 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 401 of 425 [2022-11-16 11:12:31,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:12:31,944 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 477#true, 535#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 491#true, 465#(= 0 |#race~filename_is_null_2~0|), 234#L56-40true, 508#true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 482#true, 207#L79-7true, 539#true, Black: 472#true]) [2022-11-16 11:12:31,944 INFO L383 tUnfolder$Statistics]: this new event has 178 ancestors and is not cut-off event [2022-11-16 11:12:31,944 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is not cut-off event [2022-11-16 11:12:31,944 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is not cut-off event [2022-11-16 11:12:31,944 INFO L386 tUnfolder$Statistics]: existing Event has 186 ancestors and is not cut-off event [2022-11-16 11:12:31,999 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), 479#(= 0 |#race~filename_is_null_5~0|), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 539#true, 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:31,999 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-16 11:12:31,999 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:31,999 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:31,999 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-16 11:12:32,047 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 539#true, 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:32,047 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-16 11:12:32,047 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-16 11:12:32,047 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:32,048 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:32,048 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-16 11:12:32,048 INFO L381 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 539#true, 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:32,048 INFO L383 tUnfolder$Statistics]: this new event has 270 ancestors and is cut-off event [2022-11-16 11:12:32,048 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-16 11:12:32,048 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:32,048 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:32,049 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-16 11:12:32,049 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-16 11:12:32,049 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 539#true, Black: 472#true]) [2022-11-16 11:12:32,049 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is cut-off event [2022-11-16 11:12:32,049 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-16 11:12:32,050 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:32,050 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:32,051 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 539#true, Black: 472#true]) [2022-11-16 11:12:32,051 INFO L383 tUnfolder$Statistics]: this new event has 242 ancestors and is cut-off event [2022-11-16 11:12:32,051 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is cut-off event [2022-11-16 11:12:32,052 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:32,052 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:32,052 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is cut-off event [2022-11-16 11:12:32,052 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 484#(= |#race~filename_1~0| 0), 510#(= |#race~filename_7~0| 0), 173#L56-41true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 539#true, Black: 472#true]) [2022-11-16 11:12:32,052 INFO L383 tUnfolder$Statistics]: this new event has 243 ancestors and is cut-off event [2022-11-16 11:12:32,052 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-16 11:12:32,053 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-16 11:12:32,053 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-16 11:12:32,064 INFO L381 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([1112] L56-39-->L56-40: Formula: (= |v_thread3Thread1of1ForFork0_#t~nondet18#1_3| |v_#race~result_11~0_1|) InVars {thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} OutVars{#race~result_11~0=|v_#race~result_11~0_1|, thread3Thread1of1ForFork0_#t~nondet18#1=|v_thread3Thread1of1ForFork0_#t~nondet18#1_3|} AuxVars[] AssignedVars[#race~result_11~0][224], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 234#L56-40true, 498#(= 0 |#race~filename_is_null_8~0|), Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 539#true, 207#L79-7true, Black: 472#true]) [2022-11-16 11:12:32,065 INFO L383 tUnfolder$Statistics]: this new event has 234 ancestors and is not cut-off event [2022-11-16 11:12:32,065 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-11-16 11:12:32,065 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is not cut-off event [2022-11-16 11:12:32,065 INFO L386 tUnfolder$Statistics]: existing Event has 234 ancestors and is not cut-off event [2022-11-16 11:12:32,065 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-11-16 11:12:32,065 INFO L386 tUnfolder$Statistics]: existing Event has 242 ancestors and is not cut-off event [2022-11-16 11:12:32,066 INFO L386 tUnfolder$Statistics]: existing Event has 270 ancestors and is not cut-off event [2022-11-16 11:12:32,066 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([1177] thread2EXIT-->L79-7: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem44#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread2Thread1of1ForFork2_thidvar0_4) (= 0 v_thread2Thread1of1ForFork2_thidvar1_4)) InVars {ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem44#1=|v_ULTIMATE.start_main_#t~mem44#1_5|, thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_4, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_4, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][339], [Black: 508#true, Black: 477#true, 493#(= |#race~filename_4~0| 0), Black: 482#true, 535#true, 479#(= 0 |#race~filename_is_null_5~0|), 522#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 453#true, 465#(= 0 |#race~filename_is_null_2~0|), 510#(= |#race~filename_7~0| 0), 484#(= |#race~filename_1~0| 0), 498#(= 0 |#race~filename_is_null_8~0|), 173#L56-41true, Black: 458#true, Black: 491#true, 455#(= |#race~is_null_0~0| 0), 460#(= |#race~is_null_3~0| 0), Black: 463#true, 474#(= |#race~is_null_6~0| 0), Black: 496#true, 506#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 207#L79-7true, 539#true, Black: 472#true]) [2022-11-16 11:12:32,066 INFO L383 tUnfolder$Statistics]: this new event has 235 ancestors and is cut-off event [2022-11-16 11:12:32,066 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-16 11:12:32,066 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-16 11:12:32,067 INFO L386 tUnfolder$Statistics]: existing Event has 243 ancestors and is cut-off event [2022-11-16 11:12:32,067 INFO L386 tUnfolder$Statistics]: existing Event has 235 ancestors and is cut-off event [2022-11-16 11:12:32,075 INFO L130 PetriNetUnfolder]: 267/4736 cut-off events. [2022-11-16 11:12:32,075 INFO L131 PetriNetUnfolder]: For 152/197 co-relation queries the response was YES. [2022-11-16 11:12:32,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5733 conditions, 4736 events. 267/4736 cut-off events. For 152/197 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 49839 event pairs, 96 based on Foata normal form. 12/4435 useless extension candidates. Maximal degree in co-relation 5607. Up to 447 conditions per place. [2022-11-16 11:12:32,108 INFO L137 encePairwiseOnDemand]: 422/425 looper letters, 0 selfloop transitions, 0 changer transitions 371/371 dead transitions. [2022-11-16 11:12:32,108 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 371 transitions, 896 flow [2022-11-16 11:12:32,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:12:32,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:12:32,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2022-11-16 11:12:32,112 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9537254901960784 [2022-11-16 11:12:32,112 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2022-11-16 11:12:32,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2022-11-16 11:12:32,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:32,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2022-11-16 11:12:32,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 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 11:12:32,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:32,118 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 425.0) internal successors, (1700), 4 states have internal predecessors, (1700), 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 11:12:32,118 INFO L175 Difference]: Start difference. First operand has 374 places, 373 transitions, 878 flow. Second operand 3 states and 1216 transitions. [2022-11-16 11:12:32,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 371 transitions, 896 flow [2022-11-16 11:12:32,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 371 transitions, 895 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:12:32,124 INFO L231 Difference]: Finished difference. Result has 373 places, 0 transitions, 0 flow [2022-11-16 11:12:32,124 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=425, PETRI_DIFFERENCE_MINUEND_FLOW=873, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=373, PETRI_TRANSITIONS=0} [2022-11-16 11:12:32,125 INFO L288 CegarLoopForPetriNet]: 390 programPoint places, -17 predicate places. [2022-11-16 11:12:32,125 INFO L495 AbstractCegarLoop]: Abstraction has has 373 places, 0 transitions, 0 flow [2022-11-16 11:12:32,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 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 11:12:32,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2022-11-16 11:12:32,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2022-11-16 11:12:32,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2022-11-16 11:12:32,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2022-11-16 11:12:32,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2022-11-16 11:12:32,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2022-11-16 11:12:32,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2022-11-16 11:12:32,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2022-11-16 11:12:32,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2022-11-16 11:12:32,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2022-11-16 11:12:32,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2022-11-16 11:12:32,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2022-11-16 11:12:32,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2022-11-16 11:12:32,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2022-11-16 11:12:32,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2022-11-16 11:12:32,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2022-11-16 11:12:32,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2022-11-16 11:12:32,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2022-11-16 11:12:32,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2022-11-16 11:12:32,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2022-11-16 11:12:32,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2022-11-16 11:12:32,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2022-11-16 11:12:32,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2022-11-16 11:12:32,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2022-11-16 11:12:32,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2022-11-16 11:12:32,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2022-11-16 11:12:32,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2022-11-16 11:12:32,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2022-11-16 11:12:32,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2022-11-16 11:12:32,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2022-11-16 11:12:32,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2022-11-16 11:12:32,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2022-11-16 11:12:32,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2022-11-16 11:12:32,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2022-11-16 11:12:32,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2022-11-16 11:12:32,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2022-11-16 11:12:32,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2022-11-16 11:12:32,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2022-11-16 11:12:32,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2022-11-16 11:12:32,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2022-11-16 11:12:32,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2022-11-16 11:12:32,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2022-11-16 11:12:32,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2022-11-16 11:12:32,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2022-11-16 11:12:32,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2022-11-16 11:12:32,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2022-11-16 11:12:32,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 74 remaining) [2022-11-16 11:12:32,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2022-11-16 11:12:32,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2022-11-16 11:12:32,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2022-11-16 11:12:32,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2022-11-16 11:12:32,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2022-11-16 11:12:32,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2022-11-16 11:12:32,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2022-11-16 11:12:32,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2022-11-16 11:12:32,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2022-11-16 11:12:32,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2022-11-16 11:12:32,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2022-11-16 11:12:32,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2022-11-16 11:12:32,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2022-11-16 11:12:32,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2022-11-16 11:12:32,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2022-11-16 11:12:32,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2022-11-16 11:12:32,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2022-11-16 11:12:32,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2022-11-16 11:12:32,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2022-11-16 11:12:32,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2022-11-16 11:12:32,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2022-11-16 11:12:32,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2022-11-16 11:12:32,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2022-11-16 11:12:32,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2022-11-16 11:12:32,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2022-11-16 11:12:32,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2022-11-16 11:12:32,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2022-11-16 11:12:32,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-16 11:12:32,143 INFO L444 BasicCegarLoop]: Path program 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] [2022-11-16 11:12:32,150 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:12:32,150 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:12:32,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:12:32 BasicIcfg [2022-11-16 11:12:32,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:12:32,157 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:12:32,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:12:32,157 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:12:32,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:07" (3/4) ... [2022-11-16 11:12:32,160 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:12:32,167 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:12:32,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:12:32,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 11:12:32,175 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-16 11:12:32,176 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:12:32,176 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:12:32,177 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:12:32,237 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:12:32,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:12:32,238 INFO L158 Benchmark]: Toolchain (without parser) took 25935.38ms. Allocated memory was 134.2MB in the beginning and 1.1GB in the end (delta: 958.4MB). Free memory was 96.9MB in the beginning and 929.2MB in the end (delta: -832.3MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. [2022-11-16 11:12:32,238 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:32,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.19ms. Allocated memory is still 134.2MB. Free memory was 96.6MB in the beginning and 106.3MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:12:32,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.04ms. Allocated memory is still 134.2MB. Free memory was 106.3MB in the beginning and 103.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:12:32,239 INFO L158 Benchmark]: Boogie Preprocessor took 41.53ms. Allocated memory is still 134.2MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:12:32,240 INFO L158 Benchmark]: RCFGBuilder took 922.04ms. Allocated memory is still 134.2MB. Free memory was 101.5MB in the beginning and 73.4MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-16 11:12:32,240 INFO L158 Benchmark]: TraceAbstraction took 24511.48ms. Allocated memory was 134.2MB in the beginning and 1.1GB in the end (delta: 958.4MB). Free memory was 72.8MB in the beginning and 933.4MB in the end (delta: -860.6MB). Peak memory consumption was 666.8MB. Max. memory is 16.1GB. [2022-11-16 11:12:32,240 INFO L158 Benchmark]: Witness Printer took 80.86ms. Allocated memory is still 1.1GB. Free memory was 933.4MB in the beginning and 929.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:12:32,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.19ms. Allocated memory is still 134.2MB. Free memory was 96.6MB in the beginning and 106.3MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.04ms. Allocated memory is still 134.2MB. Free memory was 106.3MB in the beginning and 103.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.53ms. Allocated memory is still 134.2MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 922.04ms. Allocated memory is still 134.2MB. Free memory was 101.5MB in the beginning and 73.4MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 24511.48ms. Allocated memory was 134.2MB in the beginning and 1.1GB in the end (delta: 958.4MB). Free memory was 72.8MB in the beginning and 933.4MB in the end (delta: -860.6MB). Peak memory consumption was 666.8MB. Max. memory is 16.1GB. * Witness Printer took 80.86ms. Allocated memory is still 1.1GB. Free memory was 933.4MB in the beginning and 929.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 630 locations, 74 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 24.3s, OverallIterations: 27, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 238 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 601 IncrementalHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 238 mSDtfsCounter, 601 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=889occurred in iteration=23, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 2695 NumberOfCodeBlocks, 2695 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2668 ConstructedInterpolants, 0 QuantifiedInterpolants, 2959 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:12:32,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7fdcc5d-caf2-47c9-9939-6e85fdb5287a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE