./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN --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 d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 --- 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-6b4ec56 [2022-11-20 09:32:29,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:32:29,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:32:29,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:32:29,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:32:29,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:32:29,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:32:29,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:32:29,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:32:29,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:32:29,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:32:29,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:32:29,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:32:29,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:32:29,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:32:29,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:32:29,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:32:29,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:32:29,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:32:29,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:32:29,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:32:29,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:32:29,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:32:29,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:32:29,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:32:29,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:32:29,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:32:29,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:32:29,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:32:29,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:32:29,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:32:29,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:32:29,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:32:29,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:32:29,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:32:29,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:32:29,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:32:29,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:32:29,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:32:29,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:32:29,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:32:29,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 09:32:30,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:32:30,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:32:30,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:32:30,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:32:30,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:32:30,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:32:30,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:32:30,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:32:30,013 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:32:30,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:32:30,016 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:32:30,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:32:30,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:32:30,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:32:30,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:32:30,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:32:30,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:32:30,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:32:30,019 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 09:32:30,019 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:32:30,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:32:30,019 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:32:30,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:32:30,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:32:30,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:32:30,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:32:30,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:32:30,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:32:30,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:32:30,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:32:30,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:32:30,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:32:30,024 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:32:30,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:32:30,025 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:32:30,025 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_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d6a1dd92aa2998cfb1326128fd549d301e029b328accb048c4d2ec692e416e63 [2022-11-20 09:32:30,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:32:30,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:32:30,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:32:30,431 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:32:30,432 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:32:30,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2022-11-20 09:32:33,681 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:32:33,900 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:32:33,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c [2022-11-20 09:32:33,907 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/data/6b5829b7c/5a9f6eb787cf401bb4ea3f3bb678ee8f/FLAG85e85a15d [2022-11-20 09:32:33,923 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/data/6b5829b7c/5a9f6eb787cf401bb4ea3f3bb678ee8f [2022-11-20 09:32:33,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:32:33,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:32:33,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:32:33,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:32:33,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:32:33,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:32:33" (1/1) ... [2022-11-20 09:32:33,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eeccc96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:33, skipping insertion in model container [2022-11-20 09:32:33,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:32:33" (1/1) ... [2022-11-20 09:32:33,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:32:33,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:32:34,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-11-20 09:32:34,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:32:34,174 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:32:34,221 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/sv-benchmarks/c/weaver/bench-exp2x9.wvr.c[2669,2682] [2022-11-20 09:32:34,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:32:34,237 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:32:34,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34 WrapperNode [2022-11-20 09:32:34,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:32:34,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:32:34,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:32:34,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:32:34,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (1/1) ... [2022-11-20 09:32:34,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (1/1) ... [2022-11-20 09:32:34,297 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2022-11-20 09:32:34,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:32:34,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:32:34,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:32:34,299 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:32:34,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (1/1) ... [2022-11-20 09:32:34,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (1/1) ... [2022-11-20 09:32:34,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (1/1) ... [2022-11-20 09:32:34,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (1/1) ... [2022-11-20 09:32:34,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (1/1) ... [2022-11-20 09:32:34,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (1/1) ... [2022-11-20 09:32:34,334 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (1/1) ... [2022-11-20 09:32:34,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (1/1) ... [2022-11-20 09:32:34,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:32:34,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:32:34,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:32:34,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:32:34,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (1/1) ... [2022-11-20 09:32:34,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:32:34,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:32:34,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:32:34,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:32:34,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:32:34,436 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 09:32:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 09:32:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 09:32:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 09:32:34,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 09:32:34,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 09:32:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 09:32:34,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 09:32:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:32:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:32:34,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:32:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:32:34,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:32:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:32:34,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:32:34,441 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 09:32:34,554 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:32:34,556 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:32:35,481 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:32:35,501 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:32:35,501 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 09:32:35,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:32:35 BoogieIcfgContainer [2022-11-20 09:32:35,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:32:35,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:32:35,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:32:35,513 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:32:35,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:32:33" (1/3) ... [2022-11-20 09:32:35,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da73c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:32:35, skipping insertion in model container [2022-11-20 09:32:35,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:32:34" (2/3) ... [2022-11-20 09:32:35,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da73c83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:32:35, skipping insertion in model container [2022-11-20 09:32:35,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:32:35" (3/3) ... [2022-11-20 09:32:35,517 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x9.wvr.c [2022-11-20 09:32:35,528 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 09:32:35,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:32:35,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 111 error locations. [2022-11-20 09:32:35,543 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 09:32:35,785 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-20 09:32:35,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 578 places, 579 transitions, 1190 flow [2022-11-20 09:32:36,242 INFO L130 PetriNetUnfolder]: 14/575 cut-off events. [2022-11-20 09:32:36,243 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 09:32:36,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 592 conditions, 575 events. 14/575 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1939 event pairs, 0 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 419. Up to 2 conditions per place. [2022-11-20 09:32:36,271 INFO L82 GeneralOperation]: Start removeDead. Operand has 578 places, 579 transitions, 1190 flow [2022-11-20 09:32:36,297 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 551 places, 550 transitions, 1124 flow [2022-11-20 09:32:36,310 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:32:36,318 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;@639ad207, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:32:36,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 207 error locations. [2022-11-20 09:32:36,324 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-20 09:32:36,325 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 09:32:36,325 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:36,326 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] [2022-11-20 09:32:36,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:36,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:36,334 INFO L85 PathProgramCache]: Analyzing trace with hash 642133218, now seen corresponding path program 1 times [2022-11-20 09:32:36,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:36,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761341830] [2022-11-20 09:32:36,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:36,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:36,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:36,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761341830] [2022-11-20 09:32:36,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761341830] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:36,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:36,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:36,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366513862] [2022-11-20 09:32:36,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:36,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:36,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:36,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:36,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:36,716 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 483 out of 579 [2022-11-20 09:32:36,723 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 550 transitions, 1124 flow. Second operand has 3 states, 3 states have (on average 484.3333333333333) internal successors, (1453), 3 states have internal predecessors, (1453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:36,723 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:36,724 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 483 of 579 [2022-11-20 09:32:36,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:37,539 INFO L130 PetriNetUnfolder]: 208/1024 cut-off events. [2022-11-20 09:32:37,539 INFO L131 PetriNetUnfolder]: For 214/221 co-relation queries the response was YES. [2022-11-20 09:32:37,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1922 conditions, 1024 events. 208/1024 cut-off events. For 214/221 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6548 event pairs, 198 based on Foata normal form. 409/1235 useless extension candidates. Maximal degree in co-relation 1750. Up to 483 conditions per place. [2022-11-20 09:32:37,611 INFO L137 encePairwiseOnDemand]: 571/579 looper letters, 86 selfloop transitions, 2 changer transitions 1/544 dead transitions. [2022-11-20 09:32:37,611 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 544 transitions, 1288 flow [2022-11-20 09:32:37,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1543 transitions. [2022-11-20 09:32:37,637 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8883131836499712 [2022-11-20 09:32:37,638 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1543 transitions. [2022-11-20 09:32:37,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1543 transitions. [2022-11-20 09:32:37,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:37,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1543 transitions. [2022-11-20 09:32:37,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 514.3333333333334) internal successors, (1543), 3 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:37,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:37,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:37,724 INFO L175 Difference]: Start difference. First operand has 551 places, 550 transitions, 1124 flow. Second operand 3 states and 1543 transitions. [2022-11-20 09:32:37,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 544 transitions, 1288 flow [2022-11-20 09:32:37,736 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 544 transitions, 1272 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-20 09:32:37,754 INFO L231 Difference]: Finished difference. Result has 544 places, 543 transitions, 1098 flow [2022-11-20 09:32:37,757 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1096, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=544, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1098, PETRI_PLACES=544, PETRI_TRANSITIONS=543} [2022-11-20 09:32:37,761 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -7 predicate places. [2022-11-20 09:32:37,762 INFO L495 AbstractCegarLoop]: Abstraction has has 544 places, 543 transitions, 1098 flow [2022-11-20 09:32:37,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 484.3333333333333) internal successors, (1453), 3 states have internal predecessors, (1453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:37,763 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:37,764 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] [2022-11-20 09:32:37,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:32:37,765 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:37,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:37,767 INFO L85 PathProgramCache]: Analyzing trace with hash -178721102, now seen corresponding path program 1 times [2022-11-20 09:32:37,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:37,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480014521] [2022-11-20 09:32:37,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:37,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:37,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:37,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480014521] [2022-11-20 09:32:37,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480014521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:37,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:37,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:37,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026271498] [2022-11-20 09:32:37,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:37,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:37,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:37,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:37,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:37,910 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 486 out of 579 [2022-11-20 09:32:37,914 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 543 transitions, 1098 flow. Second operand has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:37,914 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:37,914 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 486 of 579 [2022-11-20 09:32:37,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:38,679 INFO L130 PetriNetUnfolder]: 208/1022 cut-off events. [2022-11-20 09:32:38,679 INFO L131 PetriNetUnfolder]: For 70/76 co-relation queries the response was YES. [2022-11-20 09:32:38,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1644 conditions, 1022 events. 208/1022 cut-off events. For 70/76 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7209 event pairs, 198 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 1611. Up to 480 conditions per place. [2022-11-20 09:32:38,824 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 83 selfloop transitions, 2 changer transitions 0/542 dead transitions. [2022-11-20 09:32:38,827 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 542 transitions, 1266 flow [2022-11-20 09:32:38,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:38,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1544 transitions. [2022-11-20 09:32:38,833 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2022-11-20 09:32:38,833 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1544 transitions. [2022-11-20 09:32:38,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1544 transitions. [2022-11-20 09:32:38,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:38,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1544 transitions. [2022-11-20 09:32:38,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 514.6666666666666) internal successors, (1544), 3 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:38,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:38,846 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:38,846 INFO L175 Difference]: Start difference. First operand has 544 places, 543 transitions, 1098 flow. Second operand 3 states and 1544 transitions. [2022-11-20 09:32:38,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 542 transitions, 1266 flow [2022-11-20 09:32:38,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 542 transitions, 1262 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:32:38,860 INFO L231 Difference]: Finished difference. Result has 542 places, 542 transitions, 1096 flow [2022-11-20 09:32:38,861 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=542, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1096, PETRI_PLACES=542, PETRI_TRANSITIONS=542} [2022-11-20 09:32:38,862 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -9 predicate places. [2022-11-20 09:32:38,862 INFO L495 AbstractCegarLoop]: Abstraction has has 542 places, 542 transitions, 1096 flow [2022-11-20 09:32:38,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:38,864 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:38,864 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] [2022-11-20 09:32:38,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:32:38,865 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:38,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:38,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1906417989, now seen corresponding path program 1 times [2022-11-20 09:32:38,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:38,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115856123] [2022-11-20 09:32:38,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:38,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:38,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:38,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115856123] [2022-11-20 09:32:38,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115856123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:38,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:38,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:38,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95461129] [2022-11-20 09:32:38,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:38,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:38,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:38,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:38,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:38,963 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 483 out of 579 [2022-11-20 09:32:38,965 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 542 transitions, 1096 flow. Second operand has 3 states, 3 states have (on average 484.3333333333333) internal successors, (1453), 3 states have internal predecessors, (1453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:38,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:38,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 483 of 579 [2022-11-20 09:32:38,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:39,848 INFO L130 PetriNetUnfolder]: 208/1021 cut-off events. [2022-11-20 09:32:39,848 INFO L131 PetriNetUnfolder]: For 136/142 co-relation queries the response was YES. [2022-11-20 09:32:39,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1580 conditions, 1021 events. 208/1021 cut-off events. For 136/142 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7290 event pairs, 198 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 1541. Up to 483 conditions per place. [2022-11-20 09:32:39,920 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 86 selfloop transitions, 2 changer transitions 0/541 dead transitions. [2022-11-20 09:32:39,920 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 541 transitions, 1270 flow [2022-11-20 09:32:39,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:39,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1538 transitions. [2022-11-20 09:32:39,927 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8854346574553829 [2022-11-20 09:32:39,928 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1538 transitions. [2022-11-20 09:32:39,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1538 transitions. [2022-11-20 09:32:39,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:39,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1538 transitions. [2022-11-20 09:32:39,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 512.6666666666666) internal successors, (1538), 3 states have internal predecessors, (1538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:39,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:39,942 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:39,943 INFO L175 Difference]: Start difference. First operand has 542 places, 542 transitions, 1096 flow. Second operand 3 states and 1538 transitions. [2022-11-20 09:32:39,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 541 transitions, 1270 flow [2022-11-20 09:32:39,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 541 transitions, 1266 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:32:39,962 INFO L231 Difference]: Finished difference. Result has 541 places, 541 transitions, 1094 flow [2022-11-20 09:32:39,963 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1090, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=541, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=539, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1094, PETRI_PLACES=541, PETRI_TRANSITIONS=541} [2022-11-20 09:32:39,966 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -10 predicate places. [2022-11-20 09:32:39,966 INFO L495 AbstractCegarLoop]: Abstraction has has 541 places, 541 transitions, 1094 flow [2022-11-20 09:32:39,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 484.3333333333333) internal successors, (1453), 3 states have internal predecessors, (1453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:39,968 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:39,968 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] [2022-11-20 09:32:39,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:32:39,969 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:39,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:39,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1905793287, now seen corresponding path program 1 times [2022-11-20 09:32:39,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:39,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211947390] [2022-11-20 09:32:39,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:39,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:40,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:40,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211947390] [2022-11-20 09:32:40,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211947390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:40,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:40,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:40,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563722005] [2022-11-20 09:32:40,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:40,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:40,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:40,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:40,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:40,086 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 486 out of 579 [2022-11-20 09:32:40,089 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 541 transitions, 1094 flow. Second operand has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:40,089 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:40,089 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 486 of 579 [2022-11-20 09:32:40,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:40,784 INFO L130 PetriNetUnfolder]: 208/1020 cut-off events. [2022-11-20 09:32:40,784 INFO L131 PetriNetUnfolder]: For 202/208 co-relation queries the response was YES. [2022-11-20 09:32:40,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1509 conditions, 1020 events. 208/1020 cut-off events. For 202/208 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 7516 event pairs, 198 based on Foata normal form. 0/817 useless extension candidates. Maximal degree in co-relation 1464. Up to 479 conditions per place. [2022-11-20 09:32:40,828 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 82 selfloop transitions, 2 changer transitions 0/540 dead transitions. [2022-11-20 09:32:40,828 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 540 transitions, 1260 flow [2022-11-20 09:32:40,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:40,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:40,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1543 transitions. [2022-11-20 09:32:40,833 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8883131836499712 [2022-11-20 09:32:40,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1543 transitions. [2022-11-20 09:32:40,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1543 transitions. [2022-11-20 09:32:40,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:40,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1543 transitions. [2022-11-20 09:32:40,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 514.3333333333334) internal successors, (1543), 3 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:40,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:40,848 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:40,848 INFO L175 Difference]: Start difference. First operand has 541 places, 541 transitions, 1094 flow. Second operand 3 states and 1543 transitions. [2022-11-20 09:32:40,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 540 transitions, 1260 flow [2022-11-20 09:32:40,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 540 transitions, 1256 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:32:40,863 INFO L231 Difference]: Finished difference. Result has 540 places, 540 transitions, 1092 flow [2022-11-20 09:32:40,864 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=540, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=538, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1092, PETRI_PLACES=540, PETRI_TRANSITIONS=540} [2022-11-20 09:32:40,866 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -11 predicate places. [2022-11-20 09:32:40,866 INFO L495 AbstractCegarLoop]: Abstraction has has 540 places, 540 transitions, 1092 flow [2022-11-20 09:32:40,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:40,867 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:40,867 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:32:40,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:32:40,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:40,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:40,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1236202634, now seen corresponding path program 1 times [2022-11-20 09:32:40,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:40,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806246704] [2022-11-20 09:32:40,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:40,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:40,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:40,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:40,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806246704] [2022-11-20 09:32:40,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806246704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:40,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:40,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:40,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611143421] [2022-11-20 09:32:40,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:40,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:40,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:40,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:40,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:40,934 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 579 [2022-11-20 09:32:40,937 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 540 transitions, 1092 flow. Second operand has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:40,937 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:40,937 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 579 [2022-11-20 09:32:40,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:45,827 INFO L130 PetriNetUnfolder]: 1030/16607 cut-off events. [2022-11-20 09:32:45,827 INFO L131 PetriNetUnfolder]: For 85/193 co-relation queries the response was YES. [2022-11-20 09:32:46,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17982 conditions, 16607 events. 1030/16607 cut-off events. For 85/193 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 223638 event pairs, 855 based on Foata normal form. 0/12398 useless extension candidates. Maximal degree in co-relation 17931. Up to 1284 conditions per place. [2022-11-20 09:32:46,349 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 23 selfloop transitions, 2 changer transitions 0/539 dead transitions. [2022-11-20 09:32:46,350 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 539 transitions, 1140 flow [2022-11-20 09:32:46,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:46,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1664 transitions. [2022-11-20 09:32:46,355 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9579735175590098 [2022-11-20 09:32:46,355 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1664 transitions. [2022-11-20 09:32:46,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1664 transitions. [2022-11-20 09:32:46,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:46,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1664 transitions. [2022-11-20 09:32:46,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 554.6666666666666) internal successors, (1664), 3 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:46,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:46,369 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:46,369 INFO L175 Difference]: Start difference. First operand has 540 places, 540 transitions, 1092 flow. Second operand 3 states and 1664 transitions. [2022-11-20 09:32:46,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 539 transitions, 1140 flow [2022-11-20 09:32:46,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 539 places, 539 transitions, 1136 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:32:46,379 INFO L231 Difference]: Finished difference. Result has 539 places, 539 transitions, 1090 flow [2022-11-20 09:32:46,380 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1086, PETRI_DIFFERENCE_MINUEND_PLACES=537, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=539, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=537, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1090, PETRI_PLACES=539, PETRI_TRANSITIONS=539} [2022-11-20 09:32:46,383 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -12 predicate places. [2022-11-20 09:32:46,384 INFO L495 AbstractCegarLoop]: Abstraction has has 539 places, 539 transitions, 1090 flow [2022-11-20 09:32:46,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.3333333333334) internal successors, (1642), 3 states have internal predecessors, (1642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:46,385 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:46,385 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] [2022-11-20 09:32:46,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 09:32:46,386 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:46,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:46,387 INFO L85 PathProgramCache]: Analyzing trace with hash -921526617, now seen corresponding path program 1 times [2022-11-20 09:32:46,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:46,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6197040] [2022-11-20 09:32:46,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:46,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:46,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:46,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6197040] [2022-11-20 09:32:46,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6197040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:46,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:46,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:46,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577838484] [2022-11-20 09:32:46,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:46,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:46,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:46,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:46,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:46,470 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 486 out of 579 [2022-11-20 09:32:46,472 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 539 places, 539 transitions, 1090 flow. Second operand has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:46,472 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:46,473 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 486 of 579 [2022-11-20 09:32:46,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:47,069 INFO L130 PetriNetUnfolder]: 163/915 cut-off events. [2022-11-20 09:32:47,069 INFO L131 PetriNetUnfolder]: For 4/9 co-relation queries the response was YES. [2022-11-20 09:32:47,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1454 conditions, 915 events. 163/915 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5612 event pairs, 90 based on Foata normal form. 0/788 useless extension candidates. Maximal degree in co-relation 1396. Up to 228 conditions per place. [2022-11-20 09:32:47,108 INFO L137 encePairwiseOnDemand]: 546/579 looper letters, 56 selfloop transitions, 15 changer transitions 0/525 dead transitions. [2022-11-20 09:32:47,109 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 525 transitions, 1207 flow [2022-11-20 09:32:47,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:47,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions. [2022-11-20 09:32:47,113 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8906160046056419 [2022-11-20 09:32:47,113 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1547 transitions. [2022-11-20 09:32:47,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1547 transitions. [2022-11-20 09:32:47,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:47,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1547 transitions. [2022-11-20 09:32:47,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 515.6666666666666) internal successors, (1547), 3 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:47,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:47,125 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:47,126 INFO L175 Difference]: Start difference. First operand has 539 places, 539 transitions, 1090 flow. Second operand 3 states and 1547 transitions. [2022-11-20 09:32:47,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 523 places, 525 transitions, 1207 flow [2022-11-20 09:32:47,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 525 transitions, 1203 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:32:47,137 INFO L231 Difference]: Finished difference. Result has 522 places, 522 transitions, 1099 flow [2022-11-20 09:32:47,139 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=519, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1099, PETRI_PLACES=522, PETRI_TRANSITIONS=522} [2022-11-20 09:32:47,142 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -29 predicate places. [2022-11-20 09:32:47,142 INFO L495 AbstractCegarLoop]: Abstraction has has 522 places, 522 transitions, 1099 flow [2022-11-20 09:32:47,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:47,145 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:47,145 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] [2022-11-20 09:32:47,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 09:32:47,146 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:47,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:47,147 INFO L85 PathProgramCache]: Analyzing trace with hash -823776531, now seen corresponding path program 1 times [2022-11-20 09:32:47,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:47,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930660421] [2022-11-20 09:32:47,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:47,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:47,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:47,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930660421] [2022-11-20 09:32:47,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930660421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:47,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:47,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:47,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818408175] [2022-11-20 09:32:47,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:47,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:47,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:47,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:47,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:47,229 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 489 out of 579 [2022-11-20 09:32:47,231 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 522 places, 522 transitions, 1099 flow. Second operand has 3 states, 3 states have (on average 490.3333333333333) internal successors, (1471), 3 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:47,231 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:47,231 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 489 of 579 [2022-11-20 09:32:47,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:47,804 INFO L130 PetriNetUnfolder]: 163/899 cut-off events. [2022-11-20 09:32:47,804 INFO L131 PetriNetUnfolder]: For 62/66 co-relation queries the response was YES. [2022-11-20 09:32:47,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1407 conditions, 899 events. 163/899 cut-off events. For 62/66 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5646 event pairs, 90 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1262. Up to 226 conditions per place. [2022-11-20 09:32:47,842 INFO L137 encePairwiseOnDemand]: 547/579 looper letters, 54 selfloop transitions, 15 changer transitions 0/509 dead transitions. [2022-11-20 09:32:47,842 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 509 transitions, 1214 flow [2022-11-20 09:32:47,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:47,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1553 transitions. [2022-11-20 09:32:47,846 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8940702360391479 [2022-11-20 09:32:47,847 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1553 transitions. [2022-11-20 09:32:47,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1553 transitions. [2022-11-20 09:32:47,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:47,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1553 transitions. [2022-11-20 09:32:47,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 517.6666666666666) internal successors, (1553), 3 states have internal predecessors, (1553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:47,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:47,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:47,856 INFO L175 Difference]: Start difference. First operand has 522 places, 522 transitions, 1099 flow. Second operand 3 states and 1553 transitions. [2022-11-20 09:32:47,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 509 transitions, 1214 flow [2022-11-20 09:32:47,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 509 transitions, 1199 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 09:32:47,865 INFO L231 Difference]: Finished difference. Result has 507 places, 506 transitions, 1099 flow [2022-11-20 09:32:47,866 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1099, PETRI_PLACES=507, PETRI_TRANSITIONS=506} [2022-11-20 09:32:47,867 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -44 predicate places. [2022-11-20 09:32:47,867 INFO L495 AbstractCegarLoop]: Abstraction has has 507 places, 506 transitions, 1099 flow [2022-11-20 09:32:47,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 490.3333333333333) internal successors, (1471), 3 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:47,884 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:47,884 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] [2022-11-20 09:32:47,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 09:32:47,885 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:47,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:47,885 INFO L85 PathProgramCache]: Analyzing trace with hash 166114238, now seen corresponding path program 1 times [2022-11-20 09:32:47,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:47,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910751740] [2022-11-20 09:32:47,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:47,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:47,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:47,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910751740] [2022-11-20 09:32:47,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910751740] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:47,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:47,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:47,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794375146] [2022-11-20 09:32:47,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:47,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:47,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:47,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:47,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:47,936 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 486 out of 579 [2022-11-20 09:32:47,938 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 506 transitions, 1099 flow. Second operand has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:47,938 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:47,938 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 486 of 579 [2022-11-20 09:32:47,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:48,505 INFO L130 PetriNetUnfolder]: 170/1198 cut-off events. [2022-11-20 09:32:48,505 INFO L131 PetriNetUnfolder]: For 122/126 co-relation queries the response was YES. [2022-11-20 09:32:48,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1722 conditions, 1198 events. 170/1198 cut-off events. For 122/126 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 8607 event pairs, 63 based on Foata normal form. 1/1059 useless extension candidates. Maximal degree in co-relation 1487. Up to 229 conditions per place. [2022-11-20 09:32:48,548 INFO L137 encePairwiseOnDemand]: 545/579 looper letters, 59 selfloop transitions, 16 changer transitions 0/496 dead transitions. [2022-11-20 09:32:48,549 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 496 transitions, 1235 flow [2022-11-20 09:32:48,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1551 transitions. [2022-11-20 09:32:48,561 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8929188255613126 [2022-11-20 09:32:48,561 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1551 transitions. [2022-11-20 09:32:48,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1551 transitions. [2022-11-20 09:32:48,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:48,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1551 transitions. [2022-11-20 09:32:48,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 517.0) internal successors, (1551), 3 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:48,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:48,576 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:48,576 INFO L175 Difference]: Start difference. First operand has 507 places, 506 transitions, 1099 flow. Second operand 3 states and 1551 transitions. [2022-11-20 09:32:48,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 496 transitions, 1235 flow [2022-11-20 09:32:48,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 496 transitions, 1220 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 09:32:48,590 INFO L231 Difference]: Finished difference. Result has 491 places, 490 transitions, 1104 flow [2022-11-20 09:32:48,591 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1104, PETRI_PLACES=491, PETRI_TRANSITIONS=490} [2022-11-20 09:32:48,594 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -60 predicate places. [2022-11-20 09:32:48,595 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 490 transitions, 1104 flow [2022-11-20 09:32:48,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 487.3333333333333) internal successors, (1462), 3 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:48,596 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:48,596 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] [2022-11-20 09:32:48,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 09:32:48,596 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:48,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:48,597 INFO L85 PathProgramCache]: Analyzing trace with hash 722031064, now seen corresponding path program 1 times [2022-11-20 09:32:48,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:48,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337161521] [2022-11-20 09:32:48,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:48,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:48,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:48,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337161521] [2022-11-20 09:32:48,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337161521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:48,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:48,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:32:48,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182958263] [2022-11-20 09:32:48,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:48,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:32:48,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:48,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:32:48,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:32:48,726 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 552 out of 579 [2022-11-20 09:32:48,729 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 490 transitions, 1104 flow. Second operand has 4 states, 4 states have (on average 553.25) internal successors, (2213), 4 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:48,729 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:48,729 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 552 of 579 [2022-11-20 09:32:48,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:49,062 INFO L130 PetriNetUnfolder]: 12/837 cut-off events. [2022-11-20 09:32:49,063 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-20 09:32:49,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 977 conditions, 837 events. 12/837 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3967 event pairs, 0 based on Foata normal form. 0/731 useless extension candidates. Maximal degree in co-relation 682. Up to 27 conditions per place. [2022-11-20 09:32:49,084 INFO L137 encePairwiseOnDemand]: 573/579 looper letters, 22 selfloop transitions, 5 changer transitions 0/497 dead transitions. [2022-11-20 09:32:49,084 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 497 transitions, 1172 flow [2022-11-20 09:32:49,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:32:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-20 09:32:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2788 transitions. [2022-11-20 09:32:49,095 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9630397236614853 [2022-11-20 09:32:49,095 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2788 transitions. [2022-11-20 09:32:49,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2788 transitions. [2022-11-20 09:32:49,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:49,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2788 transitions. [2022-11-20 09:32:49,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 557.6) internal successors, (2788), 5 states have internal predecessors, (2788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:49,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 579.0) internal successors, (3474), 6 states have internal predecessors, (3474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:49,121 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 579.0) internal successors, (3474), 6 states have internal predecessors, (3474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:49,121 INFO L175 Difference]: Start difference. First operand has 491 places, 490 transitions, 1104 flow. Second operand 5 states and 2788 transitions. [2022-11-20 09:32:49,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 497 transitions, 1172 flow [2022-11-20 09:32:49,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 497 transitions, 1156 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 09:32:49,139 INFO L231 Difference]: Finished difference. Result has 498 places, 494 transitions, 1126 flow [2022-11-20 09:32:49,140 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1088, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1126, PETRI_PLACES=498, PETRI_TRANSITIONS=494} [2022-11-20 09:32:49,141 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -53 predicate places. [2022-11-20 09:32:49,141 INFO L495 AbstractCegarLoop]: Abstraction has has 498 places, 494 transitions, 1126 flow [2022-11-20 09:32:49,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 553.25) internal successors, (2213), 4 states have internal predecessors, (2213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:49,143 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:49,143 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] [2022-11-20 09:32:49,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 09:32:49,143 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:49,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:49,144 INFO L85 PathProgramCache]: Analyzing trace with hash 684487429, now seen corresponding path program 1 times [2022-11-20 09:32:49,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:49,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681880916] [2022-11-20 09:32:49,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:49,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:49,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:49,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681880916] [2022-11-20 09:32:49,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681880916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:49,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:49,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:49,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915254635] [2022-11-20 09:32:49,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:49,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:49,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:49,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:49,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:49,234 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 489 out of 579 [2022-11-20 09:32:49,236 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 494 transitions, 1126 flow. Second operand has 3 states, 3 states have (on average 490.3333333333333) internal successors, (1471), 3 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:49,236 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:49,236 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 489 of 579 [2022-11-20 09:32:49,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:50,079 INFO L130 PetriNetUnfolder]: 278/1758 cut-off events. [2022-11-20 09:32:50,079 INFO L131 PetriNetUnfolder]: For 268/272 co-relation queries the response was YES. [2022-11-20 09:32:50,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2568 conditions, 1758 events. 278/1758 cut-off events. For 268/272 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 14510 event pairs, 105 based on Foata normal form. 2/1596 useless extension candidates. Maximal degree in co-relation 2071. Up to 375 conditions per place. [2022-11-20 09:32:50,132 INFO L137 encePairwiseOnDemand]: 547/579 looper letters, 55 selfloop transitions, 15 changer transitions 11/485 dead transitions. [2022-11-20 09:32:50,132 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 485 transitions, 1259 flow [2022-11-20 09:32:50,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1556 transitions. [2022-11-20 09:32:50,137 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.895797351755901 [2022-11-20 09:32:50,137 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1556 transitions. [2022-11-20 09:32:50,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1556 transitions. [2022-11-20 09:32:50,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:50,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1556 transitions. [2022-11-20 09:32:50,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 518.6666666666666) internal successors, (1556), 3 states have internal predecessors, (1556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:50,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:50,149 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:50,149 INFO L175 Difference]: Start difference. First operand has 498 places, 494 transitions, 1126 flow. Second operand 3 states and 1556 transitions. [2022-11-20 09:32:50,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 485 transitions, 1259 flow [2022-11-20 09:32:50,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 485 transitions, 1259 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 09:32:50,162 INFO L231 Difference]: Finished difference. Result has 484 places, 467 transitions, 1118 flow [2022-11-20 09:32:50,163 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1118, PETRI_PLACES=484, PETRI_TRANSITIONS=467} [2022-11-20 09:32:50,164 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -67 predicate places. [2022-11-20 09:32:50,164 INFO L495 AbstractCegarLoop]: Abstraction has has 484 places, 467 transitions, 1118 flow [2022-11-20 09:32:50,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 490.3333333333333) internal successors, (1471), 3 states have internal predecessors, (1471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:50,165 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:50,165 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] [2022-11-20 09:32:50,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 09:32:50,166 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:50,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:50,167 INFO L85 PathProgramCache]: Analyzing trace with hash -968945318, now seen corresponding path program 1 times [2022-11-20 09:32:50,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:50,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297197476] [2022-11-20 09:32:50,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:50,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:50,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:50,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297197476] [2022-11-20 09:32:50,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297197476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:50,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:50,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:50,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367521075] [2022-11-20 09:32:50,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:50,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:50,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:50,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:50,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:50,231 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 549 out of 579 [2022-11-20 09:32:50,234 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 467 transitions, 1118 flow. Second operand has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 3 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:50,234 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:50,234 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 549 of 579 [2022-11-20 09:32:50,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:53,483 INFO L130 PetriNetUnfolder]: 733/14256 cut-off events. [2022-11-20 09:32:53,484 INFO L131 PetriNetUnfolder]: For 439/534 co-relation queries the response was YES. [2022-11-20 09:32:53,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18010 conditions, 14256 events. 733/14256 cut-off events. For 439/534 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 186286 event pairs, 276 based on Foata normal form. 3/12708 useless extension candidates. Maximal degree in co-relation 13568. Up to 929 conditions per place. [2022-11-20 09:32:53,786 INFO L137 encePairwiseOnDemand]: 571/579 looper letters, 20 selfloop transitions, 4 changer transitions 0/470 dead transitions. [2022-11-20 09:32:53,786 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 470 transitions, 1175 flow [2022-11-20 09:32:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:53,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1675 transitions. [2022-11-20 09:32:53,791 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9643062751871042 [2022-11-20 09:32:53,791 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1675 transitions. [2022-11-20 09:32:53,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1675 transitions. [2022-11-20 09:32:53,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:53,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1675 transitions. [2022-11-20 09:32:53,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 558.3333333333334) internal successors, (1675), 3 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:53,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:53,802 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:53,802 INFO L175 Difference]: Start difference. First operand has 484 places, 467 transitions, 1118 flow. Second operand 3 states and 1675 transitions. [2022-11-20 09:32:53,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 470 transitions, 1175 flow [2022-11-20 09:32:53,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 470 transitions, 1160 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 09:32:53,825 INFO L231 Difference]: Finished difference. Result has 471 places, 467 transitions, 1123 flow [2022-11-20 09:32:53,826 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1095, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1123, PETRI_PLACES=471, PETRI_TRANSITIONS=467} [2022-11-20 09:32:53,827 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -80 predicate places. [2022-11-20 09:32:53,827 INFO L495 AbstractCegarLoop]: Abstraction has has 471 places, 467 transitions, 1123 flow [2022-11-20 09:32:53,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 550.6666666666666) internal successors, (1652), 3 states have internal predecessors, (1652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:53,828 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:53,828 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] [2022-11-20 09:32:53,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 09:32:53,828 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:53,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:53,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1393198253, now seen corresponding path program 1 times [2022-11-20 09:32:53,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:53,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557940677] [2022-11-20 09:32:53,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:53,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:53,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:53,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557940677] [2022-11-20 09:32:53,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557940677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:53,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:53,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:53,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035341712] [2022-11-20 09:32:53,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:53,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:53,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:53,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:53,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:53,883 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:32:53,885 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 467 transitions, 1123 flow. Second operand has 3 states, 3 states have (on average 488.6666666666667) internal successors, (1466), 3 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:53,886 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:53,886 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:32:53,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:55,408 INFO L130 PetriNetUnfolder]: 615/4641 cut-off events. [2022-11-20 09:32:55,409 INFO L131 PetriNetUnfolder]: For 166/181 co-relation queries the response was YES. [2022-11-20 09:32:55,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7198 conditions, 4641 events. 615/4641 cut-off events. For 166/181 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 47100 event pairs, 478 based on Foata normal form. 0/4194 useless extension candidates. Maximal degree in co-relation 4895. Up to 1119 conditions per place. [2022-11-20 09:32:55,514 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 67 selfloop transitions, 2 changer transitions 0/469 dead transitions. [2022-11-20 09:32:55,514 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 469 transitions, 1268 flow [2022-11-20 09:32:55,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1521 transitions. [2022-11-20 09:32:55,518 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8756476683937824 [2022-11-20 09:32:55,519 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1521 transitions. [2022-11-20 09:32:55,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1521 transitions. [2022-11-20 09:32:55,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:55,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1521 transitions. [2022-11-20 09:32:55,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:55,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:55,528 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:55,528 INFO L175 Difference]: Start difference. First operand has 471 places, 467 transitions, 1123 flow. Second operand 3 states and 1521 transitions. [2022-11-20 09:32:55,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 469 transitions, 1268 flow [2022-11-20 09:32:55,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 472 places, 469 transitions, 1268 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 09:32:55,541 INFO L231 Difference]: Finished difference. Result has 472 places, 466 transitions, 1125 flow [2022-11-20 09:32:55,542 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1121, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1125, PETRI_PLACES=472, PETRI_TRANSITIONS=466} [2022-11-20 09:32:55,542 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -79 predicate places. [2022-11-20 09:32:55,543 INFO L495 AbstractCegarLoop]: Abstraction has has 472 places, 466 transitions, 1125 flow [2022-11-20 09:32:55,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 488.6666666666667) internal successors, (1466), 3 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:55,543 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:55,544 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] [2022-11-20 09:32:55,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 09:32:55,544 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:55,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:55,545 INFO L85 PathProgramCache]: Analyzing trace with hash -436056440, now seen corresponding path program 1 times [2022-11-20 09:32:55,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:55,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199149229] [2022-11-20 09:32:55,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:55,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:55,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:55,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:55,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199149229] [2022-11-20 09:32:55,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199149229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:55,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:55,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:55,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203872372] [2022-11-20 09:32:55,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:55,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:55,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:55,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:55,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:55,609 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:32:55,610 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 472 places, 466 transitions, 1125 flow. Second operand has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:55,611 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:55,611 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:32:55,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:57,420 INFO L130 PetriNetUnfolder]: 938/5324 cut-off events. [2022-11-20 09:32:57,421 INFO L131 PetriNetUnfolder]: For 439/460 co-relation queries the response was YES. [2022-11-20 09:32:57,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8885 conditions, 5324 events. 938/5324 cut-off events. For 439/460 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 56503 event pairs, 778 based on Foata normal form. 0/4844 useless extension candidates. Maximal degree in co-relation 8582. Up to 1864 conditions per place. [2022-11-20 09:32:57,613 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 65 selfloop transitions, 2 changer transitions 0/468 dead transitions. [2022-11-20 09:32:57,613 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 468 transitions, 1266 flow [2022-11-20 09:32:57,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:57,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1528 transitions. [2022-11-20 09:32:57,617 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8796776050662061 [2022-11-20 09:32:57,618 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1528 transitions. [2022-11-20 09:32:57,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1528 transitions. [2022-11-20 09:32:57,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:57,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1528 transitions. [2022-11-20 09:32:57,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:57,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:57,627 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:57,628 INFO L175 Difference]: Start difference. First operand has 472 places, 466 transitions, 1125 flow. Second operand 3 states and 1528 transitions. [2022-11-20 09:32:57,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 468 transitions, 1266 flow [2022-11-20 09:32:57,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 468 transitions, 1262 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:32:57,641 INFO L231 Difference]: Finished difference. Result has 471 places, 465 transitions, 1123 flow [2022-11-20 09:32:57,642 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1119, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=465, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=463, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1123, PETRI_PLACES=471, PETRI_TRANSITIONS=465} [2022-11-20 09:32:57,642 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -80 predicate places. [2022-11-20 09:32:57,643 INFO L495 AbstractCegarLoop]: Abstraction has has 471 places, 465 transitions, 1123 flow [2022-11-20 09:32:57,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:57,644 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:57,644 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] [2022-11-20 09:32:57,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 09:32:57,644 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:57,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:57,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1913186106, now seen corresponding path program 1 times [2022-11-20 09:32:57,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:57,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834243321] [2022-11-20 09:32:57,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:57,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:57,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:57,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:57,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834243321] [2022-11-20 09:32:57,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834243321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:57,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:57,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:57,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122897711] [2022-11-20 09:32:57,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:57,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:57,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:57,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:57,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:57,715 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:32:57,717 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 465 transitions, 1123 flow. Second operand has 3 states, 3 states have (on average 490.6666666666667) internal successors, (1472), 3 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:57,717 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:57,717 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:32:57,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:32:59,015 INFO L130 PetriNetUnfolder]: 606/4608 cut-off events. [2022-11-20 09:32:59,016 INFO L131 PetriNetUnfolder]: For 178/193 co-relation queries the response was YES. [2022-11-20 09:32:59,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7160 conditions, 4608 events. 606/4608 cut-off events. For 178/193 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 46777 event pairs, 469 based on Foata normal form. 0/4185 useless extension candidates. Maximal degree in co-relation 6128. Up to 1098 conditions per place. [2022-11-20 09:32:59,173 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 66 selfloop transitions, 2 changer transitions 0/467 dead transitions. [2022-11-20 09:32:59,173 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 467 transitions, 1266 flow [2022-11-20 09:32:59,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:32:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:32:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1520 transitions. [2022-11-20 09:32:59,176 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8750719631548647 [2022-11-20 09:32:59,177 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1520 transitions. [2022-11-20 09:32:59,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1520 transitions. [2022-11-20 09:32:59,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:32:59,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1520 transitions. [2022-11-20 09:32:59,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:59,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:59,186 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:59,186 INFO L175 Difference]: Start difference. First operand has 471 places, 465 transitions, 1123 flow. Second operand 3 states and 1520 transitions. [2022-11-20 09:32:59,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 467 transitions, 1266 flow [2022-11-20 09:32:59,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 467 transitions, 1262 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:32:59,199 INFO L231 Difference]: Finished difference. Result has 470 places, 464 transitions, 1121 flow [2022-11-20 09:32:59,200 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1117, PETRI_DIFFERENCE_MINUEND_PLACES=468, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=462, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1121, PETRI_PLACES=470, PETRI_TRANSITIONS=464} [2022-11-20 09:32:59,201 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -81 predicate places. [2022-11-20 09:32:59,201 INFO L495 AbstractCegarLoop]: Abstraction has has 470 places, 464 transitions, 1121 flow [2022-11-20 09:32:59,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 490.6666666666667) internal successors, (1472), 3 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:59,202 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:32:59,203 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] [2022-11-20 09:32:59,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 09:32:59,203 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:32:59,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:59,204 INFO L85 PathProgramCache]: Analyzing trace with hash 2026412724, now seen corresponding path program 1 times [2022-11-20 09:32:59,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:59,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744867464] [2022-11-20 09:32:59,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:59,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:59,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:32:59,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:59,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744867464] [2022-11-20 09:32:59,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744867464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:59,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:59,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:32:59,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054133704] [2022-11-20 09:32:59,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:59,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:32:59,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:59,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:32:59,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:32:59,263 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:32:59,265 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 464 transitions, 1121 flow. Second operand has 3 states, 3 states have (on average 488.6666666666667) internal successors, (1466), 3 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:32:59,265 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:32:59,265 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:32:59,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:00,841 INFO L130 PetriNetUnfolder]: 661/4530 cut-off events. [2022-11-20 09:33:00,842 INFO L131 PetriNetUnfolder]: For 461/485 co-relation queries the response was YES. [2022-11-20 09:33:00,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7237 conditions, 4530 events. 661/4530 cut-off events. For 461/485 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 46209 event pairs, 523 based on Foata normal form. 0/4109 useless extension candidates. Maximal degree in co-relation 6978. Up to 1459 conditions per place. [2022-11-20 09:33:00,977 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 68 selfloop transitions, 2 changer transitions 0/466 dead transitions. [2022-11-20 09:33:00,977 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 466 transitions, 1268 flow [2022-11-20 09:33:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1521 transitions. [2022-11-20 09:33:00,982 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8756476683937824 [2022-11-20 09:33:00,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1521 transitions. [2022-11-20 09:33:00,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1521 transitions. [2022-11-20 09:33:00,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:00,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1521 transitions. [2022-11-20 09:33:00,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:00,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:00,991 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:00,991 INFO L175 Difference]: Start difference. First operand has 470 places, 464 transitions, 1121 flow. Second operand 3 states and 1521 transitions. [2022-11-20 09:33:00,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 466 transitions, 1268 flow [2022-11-20 09:33:00,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 466 transitions, 1264 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:01,003 INFO L231 Difference]: Finished difference. Result has 469 places, 463 transitions, 1119 flow [2022-11-20 09:33:01,005 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1115, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=461, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1119, PETRI_PLACES=469, PETRI_TRANSITIONS=463} [2022-11-20 09:33:01,005 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -82 predicate places. [2022-11-20 09:33:01,005 INFO L495 AbstractCegarLoop]: Abstraction has has 469 places, 463 transitions, 1119 flow [2022-11-20 09:33:01,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 488.6666666666667) internal successors, (1466), 3 states have internal predecessors, (1466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:01,006 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:01,007 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] [2022-11-20 09:33:01,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 09:33:01,007 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:01,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:01,008 INFO L85 PathProgramCache]: Analyzing trace with hash -618502965, now seen corresponding path program 1 times [2022-11-20 09:33:01,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:01,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038652191] [2022-11-20 09:33:01,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:01,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:01,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:01,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038652191] [2022-11-20 09:33:01,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038652191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:01,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:01,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:33:01,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602978922] [2022-11-20 09:33:01,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:01,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:33:01,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:01,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:33:01,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:33:01,444 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 579 [2022-11-20 09:33:01,447 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 463 transitions, 1119 flow. Second operand has 6 states, 6 states have (on average 536.1666666666666) internal successors, (3217), 6 states have internal predecessors, (3217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:01,447 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:01,447 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 579 [2022-11-20 09:33:01,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:02,296 INFO L130 PetriNetUnfolder]: 88/2666 cut-off events. [2022-11-20 09:33:02,296 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-20 09:33:02,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3396 conditions, 2666 events. 88/2666 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 22226 event pairs, 8 based on Foata normal form. 0/2402 useless extension candidates. Maximal degree in co-relation 2570. Up to 108 conditions per place. [2022-11-20 09:33:02,353 INFO L137 encePairwiseOnDemand]: 574/579 looper letters, 30 selfloop transitions, 4 changer transitions 0/462 dead transitions. [2022-11-20 09:33:02,353 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 473 places, 462 transitions, 1185 flow [2022-11-20 09:33:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:33:02,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 09:33:02,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3239 transitions. [2022-11-20 09:33:02,361 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9323546344271733 [2022-11-20 09:33:02,361 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3239 transitions. [2022-11-20 09:33:02,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3239 transitions. [2022-11-20 09:33:02,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:02,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3239 transitions. [2022-11-20 09:33:02,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 539.8333333333334) internal successors, (3239), 6 states have internal predecessors, (3239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:02,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:02,375 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:02,376 INFO L175 Difference]: Start difference. First operand has 469 places, 463 transitions, 1119 flow. Second operand 6 states and 3239 transitions. [2022-11-20 09:33:02,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 473 places, 462 transitions, 1185 flow [2022-11-20 09:33:02,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 462 transitions, 1181 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:02,387 INFO L231 Difference]: Finished difference. Result has 471 places, 462 transitions, 1121 flow [2022-11-20 09:33:02,388 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1113, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1121, PETRI_PLACES=471, PETRI_TRANSITIONS=462} [2022-11-20 09:33:02,388 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -80 predicate places. [2022-11-20 09:33:02,388 INFO L495 AbstractCegarLoop]: Abstraction has has 471 places, 462 transitions, 1121 flow [2022-11-20 09:33:02,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 536.1666666666666) internal successors, (3217), 6 states have internal predecessors, (3217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:02,390 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:02,390 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] [2022-11-20 09:33:02,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 09:33:02,391 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:02,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:02,391 INFO L85 PathProgramCache]: Analyzing trace with hash -529676758, now seen corresponding path program 1 times [2022-11-20 09:33:02,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:02,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216136031] [2022-11-20 09:33:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:02,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:02,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:02,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216136031] [2022-11-20 09:33:02,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216136031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:02,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:02,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:02,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027752739] [2022-11-20 09:33:02,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:02,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:02,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:02,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:02,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:02,441 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:02,442 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 462 transitions, 1121 flow. Second operand has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:02,443 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:02,443 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:02,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:04,157 INFO L130 PetriNetUnfolder]: 923/5266 cut-off events. [2022-11-20 09:33:04,157 INFO L131 PetriNetUnfolder]: For 433/454 co-relation queries the response was YES. [2022-11-20 09:33:04,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8785 conditions, 5266 events. 923/5266 cut-off events. For 433/454 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 55609 event pairs, 763 based on Foata normal form. 0/4829 useless extension candidates. Maximal degree in co-relation 7448. Up to 1828 conditions per place. [2022-11-20 09:33:04,267 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 64 selfloop transitions, 2 changer transitions 0/464 dead transitions. [2022-11-20 09:33:04,268 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 464 transitions, 1260 flow [2022-11-20 09:33:04,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:04,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1527 transitions. [2022-11-20 09:33:04,272 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8791018998272885 [2022-11-20 09:33:04,273 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1527 transitions. [2022-11-20 09:33:04,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1527 transitions. [2022-11-20 09:33:04,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:04,273 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1527 transitions. [2022-11-20 09:33:04,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:04,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:04,279 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:04,279 INFO L175 Difference]: Start difference. First operand has 471 places, 462 transitions, 1121 flow. Second operand 3 states and 1527 transitions. [2022-11-20 09:33:04,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 464 transitions, 1260 flow [2022-11-20 09:33:04,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 468 places, 464 transitions, 1253 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 09:33:04,289 INFO L231 Difference]: Finished difference. Result has 468 places, 461 transitions, 1116 flow [2022-11-20 09:33:04,290 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1112, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=461, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=459, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1116, PETRI_PLACES=468, PETRI_TRANSITIONS=461} [2022-11-20 09:33:04,291 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -83 predicate places. [2022-11-20 09:33:04,291 INFO L495 AbstractCegarLoop]: Abstraction has has 468 places, 461 transitions, 1116 flow [2022-11-20 09:33:04,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:04,292 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:04,292 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:04,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 09:33:04,292 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:04,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:04,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1898706215, now seen corresponding path program 1 times [2022-11-20 09:33:04,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:04,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864705878] [2022-11-20 09:33:04,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:04,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:04,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:04,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864705878] [2022-11-20 09:33:04,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864705878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:04,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:04,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:04,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881180222] [2022-11-20 09:33:04,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:04,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:04,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:04,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:04,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:04,335 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:33:04,337 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 461 transitions, 1116 flow. Second operand has 3 states, 3 states have (on average 492.6666666666667) internal successors, (1478), 3 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:04,337 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:04,337 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:33:04,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:05,564 INFO L130 PetriNetUnfolder]: 597/4558 cut-off events. [2022-11-20 09:33:05,564 INFO L131 PetriNetUnfolder]: For 178/193 co-relation queries the response was YES. [2022-11-20 09:33:05,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7083 conditions, 4558 events. 597/4558 cut-off events. For 178/193 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 46144 event pairs, 460 based on Foata normal form. 0/4176 useless extension candidates. Maximal degree in co-relation 6195. Up to 1077 conditions per place. [2022-11-20 09:33:05,702 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 65 selfloop transitions, 2 changer transitions 0/463 dead transitions. [2022-11-20 09:33:05,702 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 463 transitions, 1257 flow [2022-11-20 09:33:05,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:05,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1519 transitions. [2022-11-20 09:33:05,708 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.874496257915947 [2022-11-20 09:33:05,708 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1519 transitions. [2022-11-20 09:33:05,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1519 transitions. [2022-11-20 09:33:05,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:05,709 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1519 transitions. [2022-11-20 09:33:05,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:05,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:05,715 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:05,716 INFO L175 Difference]: Start difference. First operand has 468 places, 461 transitions, 1116 flow. Second operand 3 states and 1519 transitions. [2022-11-20 09:33:05,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 463 transitions, 1257 flow [2022-11-20 09:33:05,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 467 places, 463 transitions, 1253 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:05,728 INFO L231 Difference]: Finished difference. Result has 467 places, 460 transitions, 1114 flow [2022-11-20 09:33:05,729 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=460, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1114, PETRI_PLACES=467, PETRI_TRANSITIONS=460} [2022-11-20 09:33:05,729 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -84 predicate places. [2022-11-20 09:33:05,729 INFO L495 AbstractCegarLoop]: Abstraction has has 467 places, 460 transitions, 1114 flow [2022-11-20 09:33:05,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.6666666666667) internal successors, (1478), 3 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:05,730 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:05,730 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:05,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 09:33:05,731 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:05,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:05,731 INFO L85 PathProgramCache]: Analyzing trace with hash 248372598, now seen corresponding path program 1 times [2022-11-20 09:33:05,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:05,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817581872] [2022-11-20 09:33:05,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:05,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:05,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:05,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:05,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817581872] [2022-11-20 09:33:05,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817581872] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:05,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:05,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:05,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018783375] [2022-11-20 09:33:05,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:05,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:05,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:05,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:05,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:05,776 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:05,777 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 460 transitions, 1114 flow. Second operand has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:05,778 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:05,778 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:05,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:06,881 INFO L130 PetriNetUnfolder]: 428/3725 cut-off events. [2022-11-20 09:33:06,881 INFO L131 PetriNetUnfolder]: For 485/495 co-relation queries the response was YES. [2022-11-20 09:33:06,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5457 conditions, 3725 events. 428/3725 cut-off events. For 485/495 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 36289 event pairs, 318 based on Foata normal form. 0/3385 useless extension candidates. Maximal degree in co-relation 5242. Up to 943 conditions per place. [2022-11-20 09:33:07,001 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 65 selfloop transitions, 2 changer transitions 0/462 dead transitions. [2022-11-20 09:33:07,001 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 462 transitions, 1255 flow [2022-11-20 09:33:07,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1528 transitions. [2022-11-20 09:33:07,006 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8796776050662061 [2022-11-20 09:33:07,006 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1528 transitions. [2022-11-20 09:33:07,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1528 transitions. [2022-11-20 09:33:07,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:07,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1528 transitions. [2022-11-20 09:33:07,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:07,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:07,014 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:07,014 INFO L175 Difference]: Start difference. First operand has 467 places, 460 transitions, 1114 flow. Second operand 3 states and 1528 transitions. [2022-11-20 09:33:07,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 462 transitions, 1255 flow [2022-11-20 09:33:07,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 462 transitions, 1251 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:07,025 INFO L231 Difference]: Finished difference. Result has 466 places, 459 transitions, 1112 flow [2022-11-20 09:33:07,026 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1108, PETRI_DIFFERENCE_MINUEND_PLACES=464, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=459, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=457, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1112, PETRI_PLACES=466, PETRI_TRANSITIONS=459} [2022-11-20 09:33:07,027 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -85 predicate places. [2022-11-20 09:33:07,027 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 459 transitions, 1112 flow [2022-11-20 09:33:07,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:07,028 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:07,028 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] [2022-11-20 09:33:07,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 09:33:07,028 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:07,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:07,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1316684707, now seen corresponding path program 1 times [2022-11-20 09:33:07,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:07,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197448501] [2022-11-20 09:33:07,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:07,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:07,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:07,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:07,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197448501] [2022-11-20 09:33:07,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197448501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:07,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:07,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:07,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093300358] [2022-11-20 09:33:07,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:07,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:07,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:07,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:07,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:07,076 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:33:07,078 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 459 transitions, 1112 flow. Second operand has 3 states, 3 states have (on average 490.6666666666667) internal successors, (1472), 3 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:07,078 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:07,078 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:33:07,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:08,441 INFO L130 PetriNetUnfolder]: 651/4471 cut-off events. [2022-11-20 09:33:08,441 INFO L131 PetriNetUnfolder]: For 465/489 co-relation queries the response was YES. [2022-11-20 09:33:08,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7163 conditions, 4471 events. 651/4471 cut-off events. For 465/489 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 45313 event pairs, 513 based on Foata normal form. 0/4099 useless extension candidates. Maximal degree in co-relation 6276. Up to 1431 conditions per place. [2022-11-20 09:33:08,575 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 67 selfloop transitions, 2 changer transitions 0/461 dead transitions. [2022-11-20 09:33:08,575 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 461 transitions, 1257 flow [2022-11-20 09:33:08,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1520 transitions. [2022-11-20 09:33:08,578 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8750719631548647 [2022-11-20 09:33:08,578 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1520 transitions. [2022-11-20 09:33:08,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1520 transitions. [2022-11-20 09:33:08,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:08,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1520 transitions. [2022-11-20 09:33:08,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:08,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:08,583 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:08,583 INFO L175 Difference]: Start difference. First operand has 466 places, 459 transitions, 1112 flow. Second operand 3 states and 1520 transitions. [2022-11-20 09:33:08,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 461 transitions, 1257 flow [2022-11-20 09:33:08,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 461 transitions, 1253 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:08,595 INFO L231 Difference]: Finished difference. Result has 465 places, 458 transitions, 1110 flow [2022-11-20 09:33:08,596 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1106, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1110, PETRI_PLACES=465, PETRI_TRANSITIONS=458} [2022-11-20 09:33:08,597 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -86 predicate places. [2022-11-20 09:33:08,597 INFO L495 AbstractCegarLoop]: Abstraction has has 465 places, 458 transitions, 1110 flow [2022-11-20 09:33:08,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 490.6666666666667) internal successors, (1472), 3 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:08,597 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:08,598 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] [2022-11-20 09:33:08,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 09:33:08,598 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:08,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:08,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1977041196, now seen corresponding path program 1 times [2022-11-20 09:33:08,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:08,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672528773] [2022-11-20 09:33:08,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:08,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:08,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:08,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672528773] [2022-11-20 09:33:08,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672528773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:08,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:08,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:08,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358711222] [2022-11-20 09:33:08,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:08,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:08,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:08,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:08,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:08,653 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:08,654 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 458 transitions, 1110 flow. Second operand has 3 states, 3 states have (on average 496.0) internal successors, (1488), 3 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:08,655 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:08,655 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:08,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:10,113 INFO L130 PetriNetUnfolder]: 908/5198 cut-off events. [2022-11-20 09:33:10,113 INFO L131 PetriNetUnfolder]: For 446/467 co-relation queries the response was YES. [2022-11-20 09:33:10,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8692 conditions, 5198 events. 908/5198 cut-off events. For 446/467 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 54536 event pairs, 748 based on Foata normal form. 0/4814 useless extension candidates. Maximal degree in co-relation 7579. Up to 1792 conditions per place. [2022-11-20 09:33:10,238 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 63 selfloop transitions, 2 changer transitions 0/460 dead transitions. [2022-11-20 09:33:10,238 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 460 transitions, 1247 flow [2022-11-20 09:33:10,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:10,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:10,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1526 transitions. [2022-11-20 09:33:10,242 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8785261945883708 [2022-11-20 09:33:10,243 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1526 transitions. [2022-11-20 09:33:10,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1526 transitions. [2022-11-20 09:33:10,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:10,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1526 transitions. [2022-11-20 09:33:10,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:10,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:10,247 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:10,247 INFO L175 Difference]: Start difference. First operand has 465 places, 458 transitions, 1110 flow. Second operand 3 states and 1526 transitions. [2022-11-20 09:33:10,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 460 transitions, 1247 flow [2022-11-20 09:33:10,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 460 transitions, 1243 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:10,259 INFO L231 Difference]: Finished difference. Result has 464 places, 457 transitions, 1108 flow [2022-11-20 09:33:10,259 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1104, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=457, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1108, PETRI_PLACES=464, PETRI_TRANSITIONS=457} [2022-11-20 09:33:10,260 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -87 predicate places. [2022-11-20 09:33:10,260 INFO L495 AbstractCegarLoop]: Abstraction has has 464 places, 457 transitions, 1108 flow [2022-11-20 09:33:10,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 496.0) internal successors, (1488), 3 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:10,261 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:10,261 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] [2022-11-20 09:33:10,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 09:33:10,261 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:10,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:10,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1248741326, now seen corresponding path program 1 times [2022-11-20 09:33:10,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:10,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125949658] [2022-11-20 09:33:10,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:10,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:10,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:10,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:10,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125949658] [2022-11-20 09:33:10,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125949658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:10,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:10,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:10,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826186940] [2022-11-20 09:33:10,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:10,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:10,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:10,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:10,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:10,304 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:33:10,305 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 457 transitions, 1108 flow. Second operand has 3 states, 3 states have (on average 494.6666666666667) internal successors, (1484), 3 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:10,305 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:10,305 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:33:10,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:11,535 INFO L130 PetriNetUnfolder]: 588/4501 cut-off events. [2022-11-20 09:33:11,536 INFO L131 PetriNetUnfolder]: For 178/193 co-relation queries the response was YES. [2022-11-20 09:33:11,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6996 conditions, 4501 events. 588/4501 cut-off events. For 178/193 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 45404 event pairs, 451 based on Foata normal form. 0/4167 useless extension candidates. Maximal degree in co-relation 6252. Up to 1056 conditions per place. [2022-11-20 09:33:11,671 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 64 selfloop transitions, 2 changer transitions 0/459 dead transitions. [2022-11-20 09:33:11,671 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 459 transitions, 1247 flow [2022-11-20 09:33:11,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:11,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1518 transitions. [2022-11-20 09:33:11,676 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8739205526770294 [2022-11-20 09:33:11,676 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1518 transitions. [2022-11-20 09:33:11,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1518 transitions. [2022-11-20 09:33:11,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:11,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1518 transitions. [2022-11-20 09:33:11,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:11,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:11,680 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:11,680 INFO L175 Difference]: Start difference. First operand has 464 places, 457 transitions, 1108 flow. Second operand 3 states and 1518 transitions. [2022-11-20 09:33:11,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 459 transitions, 1247 flow [2022-11-20 09:33:11,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 459 transitions, 1243 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:11,691 INFO L231 Difference]: Finished difference. Result has 463 places, 456 transitions, 1106 flow [2022-11-20 09:33:11,692 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1102, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=454, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1106, PETRI_PLACES=463, PETRI_TRANSITIONS=456} [2022-11-20 09:33:11,692 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -88 predicate places. [2022-11-20 09:33:11,693 INFO L495 AbstractCegarLoop]: Abstraction has has 463 places, 456 transitions, 1106 flow [2022-11-20 09:33:11,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.6666666666667) internal successors, (1484), 3 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:11,693 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:11,693 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] [2022-11-20 09:33:11,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 09:33:11,694 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:11,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:11,694 INFO L85 PathProgramCache]: Analyzing trace with hash -86358854, now seen corresponding path program 1 times [2022-11-20 09:33:11,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:11,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668590222] [2022-11-20 09:33:11,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:11,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:11,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:11,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668590222] [2022-11-20 09:33:11,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668590222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:11,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:11,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:11,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198851361] [2022-11-20 09:33:11,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:11,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:11,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:11,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:11,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:11,740 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:11,742 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 456 transitions, 1106 flow. Second operand has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:11,742 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:11,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:11,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:12,767 INFO L130 PetriNetUnfolder]: 422/3680 cut-off events. [2022-11-20 09:33:12,767 INFO L131 PetriNetUnfolder]: For 479/489 co-relation queries the response was YES. [2022-11-20 09:33:12,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5394 conditions, 3680 events. 422/3680 cut-off events. For 479/489 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 35648 event pairs, 312 based on Foata normal form. 0/3379 useless extension candidates. Maximal degree in co-relation 5215. Up to 925 conditions per place. [2022-11-20 09:33:12,864 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 64 selfloop transitions, 2 changer transitions 0/458 dead transitions. [2022-11-20 09:33:12,864 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 458 transitions, 1245 flow [2022-11-20 09:33:12,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:12,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1527 transitions. [2022-11-20 09:33:12,869 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8791018998272885 [2022-11-20 09:33:12,869 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1527 transitions. [2022-11-20 09:33:12,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1527 transitions. [2022-11-20 09:33:12,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:12,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1527 transitions. [2022-11-20 09:33:12,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 509.0) internal successors, (1527), 3 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:12,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:12,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:12,872 INFO L175 Difference]: Start difference. First operand has 463 places, 456 transitions, 1106 flow. Second operand 3 states and 1527 transitions. [2022-11-20 09:33:12,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 458 transitions, 1245 flow [2022-11-20 09:33:12,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 458 transitions, 1241 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:12,881 INFO L231 Difference]: Finished difference. Result has 462 places, 455 transitions, 1104 flow [2022-11-20 09:33:12,882 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1100, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1104, PETRI_PLACES=462, PETRI_TRANSITIONS=455} [2022-11-20 09:33:12,882 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -89 predicate places. [2022-11-20 09:33:12,882 INFO L495 AbstractCegarLoop]: Abstraction has has 462 places, 455 transitions, 1104 flow [2022-11-20 09:33:12,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:12,883 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:12,883 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] [2022-11-20 09:33:12,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 09:33:12,883 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:12,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:12,884 INFO L85 PathProgramCache]: Analyzing trace with hash -529219855, now seen corresponding path program 1 times [2022-11-20 09:33:12,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:12,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940058906] [2022-11-20 09:33:12,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:12,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:13,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:13,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:13,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940058906] [2022-11-20 09:33:13,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940058906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:13,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:13,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:33:13,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207478223] [2022-11-20 09:33:13,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:13,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:33:13,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:13,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:33:13,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:33:13,340 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 579 [2022-11-20 09:33:13,342 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 455 transitions, 1104 flow. Second operand has 6 states, 6 states have (on average 537.1666666666666) internal successors, (3223), 6 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:13,342 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:13,343 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 579 [2022-11-20 09:33:13,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:14,017 INFO L130 PetriNetUnfolder]: 88/2615 cut-off events. [2022-11-20 09:33:14,018 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-20 09:33:14,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3337 conditions, 2615 events. 88/2615 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 21610 event pairs, 8 based on Foata normal form. 0/2402 useless extension candidates. Maximal degree in co-relation 2887. Up to 108 conditions per place. [2022-11-20 09:33:14,070 INFO L137 encePairwiseOnDemand]: 574/579 looper letters, 29 selfloop transitions, 4 changer transitions 0/454 dead transitions. [2022-11-20 09:33:14,071 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 454 transitions, 1168 flow [2022-11-20 09:33:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:33:14,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 09:33:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3238 transitions. [2022-11-20 09:33:14,079 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9320667818077144 [2022-11-20 09:33:14,079 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3238 transitions. [2022-11-20 09:33:14,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3238 transitions. [2022-11-20 09:33:14,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:14,081 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3238 transitions. [2022-11-20 09:33:14,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 539.6666666666666) internal successors, (3238), 6 states have internal predecessors, (3238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:14,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:14,091 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:14,091 INFO L175 Difference]: Start difference. First operand has 462 places, 455 transitions, 1104 flow. Second operand 6 states and 3238 transitions. [2022-11-20 09:33:14,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 454 transitions, 1168 flow [2022-11-20 09:33:14,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 454 transitions, 1164 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:14,102 INFO L231 Difference]: Finished difference. Result has 464 places, 454 transitions, 1106 flow [2022-11-20 09:33:14,103 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1098, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1106, PETRI_PLACES=464, PETRI_TRANSITIONS=454} [2022-11-20 09:33:14,103 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -87 predicate places. [2022-11-20 09:33:14,103 INFO L495 AbstractCegarLoop]: Abstraction has has 464 places, 454 transitions, 1106 flow [2022-11-20 09:33:14,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 537.1666666666666) internal successors, (3223), 6 states have internal predecessors, (3223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:14,104 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:14,105 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] [2022-11-20 09:33:14,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 09:33:14,105 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:14,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:14,106 INFO L85 PathProgramCache]: Analyzing trace with hash 106455776, now seen corresponding path program 1 times [2022-11-20 09:33:14,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:14,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479172439] [2022-11-20 09:33:14,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:14,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:14,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:14,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479172439] [2022-11-20 09:33:14,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479172439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:14,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:14,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:14,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350283727] [2022-11-20 09:33:14,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:14,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:14,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:14,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:14,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:14,148 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:33:14,150 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 454 transitions, 1106 flow. Second operand has 3 states, 3 states have (on average 492.6666666666667) internal successors, (1478), 3 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:14,150 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:14,150 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:33:14,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:15,416 INFO L130 PetriNetUnfolder]: 641/4412 cut-off events. [2022-11-20 09:33:15,416 INFO L131 PetriNetUnfolder]: For 450/474 co-relation queries the response was YES. [2022-11-20 09:33:15,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7060 conditions, 4412 events. 641/4412 cut-off events. For 450/474 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 44727 event pairs, 503 based on Foata normal form. 0/4089 useless extension candidates. Maximal degree in co-relation 6298. Up to 1403 conditions per place. [2022-11-20 09:33:15,532 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 66 selfloop transitions, 2 changer transitions 0/456 dead transitions. [2022-11-20 09:33:15,532 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 456 transitions, 1249 flow [2022-11-20 09:33:15,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1519 transitions. [2022-11-20 09:33:15,537 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.874496257915947 [2022-11-20 09:33:15,537 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1519 transitions. [2022-11-20 09:33:15,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1519 transitions. [2022-11-20 09:33:15,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:15,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1519 transitions. [2022-11-20 09:33:15,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.3333333333333) internal successors, (1519), 3 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:15,541 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:15,541 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:15,541 INFO L175 Difference]: Start difference. First operand has 464 places, 454 transitions, 1106 flow. Second operand 3 states and 1519 transitions. [2022-11-20 09:33:15,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 456 transitions, 1249 flow [2022-11-20 09:33:15,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 456 transitions, 1242 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 09:33:15,549 INFO L231 Difference]: Finished difference. Result has 461 places, 453 transitions, 1101 flow [2022-11-20 09:33:15,549 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1097, PETRI_DIFFERENCE_MINUEND_PLACES=459, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=453, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1101, PETRI_PLACES=461, PETRI_TRANSITIONS=453} [2022-11-20 09:33:15,550 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -90 predicate places. [2022-11-20 09:33:15,550 INFO L495 AbstractCegarLoop]: Abstraction has has 461 places, 453 transitions, 1101 flow [2022-11-20 09:33:15,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.6666666666667) internal successors, (1478), 3 states have internal predecessors, (1478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:15,550 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:15,550 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] [2022-11-20 09:33:15,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 09:33:15,551 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:15,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:15,551 INFO L85 PathProgramCache]: Analyzing trace with hash -239018122, now seen corresponding path program 1 times [2022-11-20 09:33:15,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:15,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942610541] [2022-11-20 09:33:15,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:15,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:15,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:15,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942610541] [2022-11-20 09:33:15,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942610541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:15,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:15,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:15,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707992578] [2022-11-20 09:33:15,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:15,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:15,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:15,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:15,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:15,592 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:15,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 461 places, 453 transitions, 1101 flow. Second operand has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:15,594 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:15,594 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:15,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:16,967 INFO L130 PetriNetUnfolder]: 893/5127 cut-off events. [2022-11-20 09:33:16,967 INFO L131 PetriNetUnfolder]: For 443/464 co-relation queries the response was YES. [2022-11-20 09:33:17,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8576 conditions, 5127 events. 893/5127 cut-off events. For 443/464 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 53454 event pairs, 733 based on Foata normal form. 0/4799 useless extension candidates. Maximal degree in co-relation 7655. Up to 1756 conditions per place. [2022-11-20 09:33:17,128 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 62 selfloop transitions, 2 changer transitions 0/455 dead transitions. [2022-11-20 09:33:17,128 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 455 transitions, 1236 flow [2022-11-20 09:33:17,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:17,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1525 transitions. [2022-11-20 09:33:17,133 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8779504893494531 [2022-11-20 09:33:17,133 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1525 transitions. [2022-11-20 09:33:17,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1525 transitions. [2022-11-20 09:33:17,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:17,134 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1525 transitions. [2022-11-20 09:33:17,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:17,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:17,138 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:17,138 INFO L175 Difference]: Start difference. First operand has 461 places, 453 transitions, 1101 flow. Second operand 3 states and 1525 transitions. [2022-11-20 09:33:17,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 455 transitions, 1236 flow [2022-11-20 09:33:17,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 455 transitions, 1232 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:17,149 INFO L231 Difference]: Finished difference. Result has 460 places, 452 transitions, 1099 flow [2022-11-20 09:33:17,150 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1095, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1099, PETRI_PLACES=460, PETRI_TRANSITIONS=452} [2022-11-20 09:33:17,150 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -91 predicate places. [2022-11-20 09:33:17,151 INFO L495 AbstractCegarLoop]: Abstraction has has 460 places, 452 transitions, 1099 flow [2022-11-20 09:33:17,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:17,151 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:17,151 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] [2022-11-20 09:33:17,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 09:33:17,152 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread1Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:17,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:17,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1004144379, now seen corresponding path program 1 times [2022-11-20 09:33:17,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:17,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002672429] [2022-11-20 09:33:17,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:17,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:17,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:17,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002672429] [2022-11-20 09:33:17,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002672429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:17,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:17,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:17,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864211445] [2022-11-20 09:33:17,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:17,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:17,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:17,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:17,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:17,194 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:33:17,196 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 460 places, 452 transitions, 1099 flow. Second operand has 3 states, 3 states have (on average 496.6666666666667) internal successors, (1490), 3 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:17,196 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:17,196 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:33:17,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:18,255 INFO L130 PetriNetUnfolder]: 579/4441 cut-off events. [2022-11-20 09:33:18,255 INFO L131 PetriNetUnfolder]: For 178/193 co-relation queries the response was YES. [2022-11-20 09:33:18,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6909 conditions, 4441 events. 579/4441 cut-off events. For 178/193 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 44630 event pairs, 442 based on Foata normal form. 0/4158 useless extension candidates. Maximal degree in co-relation 6309. Up to 1035 conditions per place. [2022-11-20 09:33:18,385 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 63 selfloop transitions, 2 changer transitions 0/454 dead transitions. [2022-11-20 09:33:18,385 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 454 transitions, 1236 flow [2022-11-20 09:33:18,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:18,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:18,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1517 transitions. [2022-11-20 09:33:18,389 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8733448474381117 [2022-11-20 09:33:18,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1517 transitions. [2022-11-20 09:33:18,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1517 transitions. [2022-11-20 09:33:18,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:18,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1517 transitions. [2022-11-20 09:33:18,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.6666666666667) internal successors, (1517), 3 states have internal predecessors, (1517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:18,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:18,394 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:18,394 INFO L175 Difference]: Start difference. First operand has 460 places, 452 transitions, 1099 flow. Second operand 3 states and 1517 transitions. [2022-11-20 09:33:18,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 454 transitions, 1236 flow [2022-11-20 09:33:18,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 454 transitions, 1232 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:18,403 INFO L231 Difference]: Finished difference. Result has 459 places, 451 transitions, 1097 flow [2022-11-20 09:33:18,404 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1093, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1097, PETRI_PLACES=459, PETRI_TRANSITIONS=451} [2022-11-20 09:33:18,404 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -92 predicate places. [2022-11-20 09:33:18,404 INFO L495 AbstractCegarLoop]: Abstraction has has 459 places, 451 transitions, 1097 flow [2022-11-20 09:33:18,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 496.6666666666667) internal successors, (1490), 3 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:18,405 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:18,405 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] [2022-11-20 09:33:18,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-20 09:33:18,405 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:18,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:18,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1375026174, now seen corresponding path program 1 times [2022-11-20 09:33:18,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:18,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902829698] [2022-11-20 09:33:18,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:18,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:18,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:18,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902829698] [2022-11-20 09:33:18,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902829698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:18,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:18,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:18,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340909175] [2022-11-20 09:33:18,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:18,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:18,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:18,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:18,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:18,455 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:18,456 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 451 transitions, 1097 flow. Second operand has 3 states, 3 states have (on average 496.0) internal successors, (1488), 3 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:18,457 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:18,457 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:18,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:19,449 INFO L130 PetriNetUnfolder]: 416/3632 cut-off events. [2022-11-20 09:33:19,450 INFO L131 PetriNetUnfolder]: For 473/483 co-relation queries the response was YES. [2022-11-20 09:33:19,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5331 conditions, 3632 events. 416/3632 cut-off events. For 473/483 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 35090 event pairs, 306 based on Foata normal form. 0/3373 useless extension candidates. Maximal degree in co-relation 5188. Up to 907 conditions per place. [2022-11-20 09:33:19,550 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 63 selfloop transitions, 2 changer transitions 0/453 dead transitions. [2022-11-20 09:33:19,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 453 transitions, 1234 flow [2022-11-20 09:33:19,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:19,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1526 transitions. [2022-11-20 09:33:19,555 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8785261945883708 [2022-11-20 09:33:19,555 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1526 transitions. [2022-11-20 09:33:19,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1526 transitions. [2022-11-20 09:33:19,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:19,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1526 transitions. [2022-11-20 09:33:19,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.6666666666667) internal successors, (1526), 3 states have internal predecessors, (1526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:19,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:19,560 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:19,560 INFO L175 Difference]: Start difference. First operand has 459 places, 451 transitions, 1097 flow. Second operand 3 states and 1526 transitions. [2022-11-20 09:33:19,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 453 transitions, 1234 flow [2022-11-20 09:33:19,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 453 transitions, 1230 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:19,568 INFO L231 Difference]: Finished difference. Result has 458 places, 450 transitions, 1095 flow [2022-11-20 09:33:19,568 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1091, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1095, PETRI_PLACES=458, PETRI_TRANSITIONS=450} [2022-11-20 09:33:19,568 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -93 predicate places. [2022-11-20 09:33:19,569 INFO L495 AbstractCegarLoop]: Abstraction has has 458 places, 450 transitions, 1095 flow [2022-11-20 09:33:19,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 496.0) internal successors, (1488), 3 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:19,569 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:19,570 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] [2022-11-20 09:33:19,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-20 09:33:19,570 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:19,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:19,570 INFO L85 PathProgramCache]: Analyzing trace with hash 356751817, now seen corresponding path program 1 times [2022-11-20 09:33:19,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:19,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152239160] [2022-11-20 09:33:19,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:19,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:19,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:19,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152239160] [2022-11-20 09:33:19,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152239160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:19,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:19,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:19,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576687034] [2022-11-20 09:33:19,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:19,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:19,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:19,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:19,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:19,621 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:33:19,623 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 450 transitions, 1095 flow. Second operand has 3 states, 3 states have (on average 494.6666666666667) internal successors, (1484), 3 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:19,623 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:19,623 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:33:19,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:20,783 INFO L130 PetriNetUnfolder]: 631/4356 cut-off events. [2022-11-20 09:33:20,783 INFO L131 PetriNetUnfolder]: For 457/481 co-relation queries the response was YES. [2022-11-20 09:33:20,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6983 conditions, 4356 events. 631/4356 cut-off events. For 457/481 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 43965 event pairs, 493 based on Foata normal form. 0/4079 useless extension candidates. Maximal degree in co-relation 6360. Up to 1375 conditions per place. [2022-11-20 09:33:20,903 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 65 selfloop transitions, 2 changer transitions 0/452 dead transitions. [2022-11-20 09:33:20,903 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 452 transitions, 1236 flow [2022-11-20 09:33:20,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:20,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:20,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1518 transitions. [2022-11-20 09:33:20,907 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8739205526770294 [2022-11-20 09:33:20,908 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1518 transitions. [2022-11-20 09:33:20,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1518 transitions. [2022-11-20 09:33:20,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:20,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1518 transitions. [2022-11-20 09:33:20,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:20,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:20,913 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:20,913 INFO L175 Difference]: Start difference. First operand has 458 places, 450 transitions, 1095 flow. Second operand 3 states and 1518 transitions. [2022-11-20 09:33:20,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 452 transitions, 1236 flow [2022-11-20 09:33:20,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 457 places, 452 transitions, 1232 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:20,924 INFO L231 Difference]: Finished difference. Result has 457 places, 449 transitions, 1093 flow [2022-11-20 09:33:20,925 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1089, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1093, PETRI_PLACES=457, PETRI_TRANSITIONS=449} [2022-11-20 09:33:20,926 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -94 predicate places. [2022-11-20 09:33:20,926 INFO L495 AbstractCegarLoop]: Abstraction has has 457 places, 449 transitions, 1093 flow [2022-11-20 09:33:20,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.6666666666667) internal successors, (1484), 3 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:20,927 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:20,927 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] [2022-11-20 09:33:20,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-20 09:33:20,927 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:20,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:20,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1149415648, now seen corresponding path program 1 times [2022-11-20 09:33:20,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:20,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942697636] [2022-11-20 09:33:20,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:20,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:20,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:20,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942697636] [2022-11-20 09:33:20,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942697636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:20,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:20,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:20,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114684665] [2022-11-20 09:33:20,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:20,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:20,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:20,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:20,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:20,978 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:20,979 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 449 transitions, 1093 flow. Second operand has 3 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:20,979 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:20,980 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:20,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:22,288 INFO L130 PetriNetUnfolder]: 878/5059 cut-off events. [2022-11-20 09:33:22,288 INFO L131 PetriNetUnfolder]: For 440/461 co-relation queries the response was YES. [2022-11-20 09:33:22,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8460 conditions, 5059 events. 878/5059 cut-off events. For 440/461 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 52371 event pairs, 718 based on Foata normal form. 0/4784 useless extension candidates. Maximal degree in co-relation 7731. Up to 1720 conditions per place. [2022-11-20 09:33:22,412 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 61 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2022-11-20 09:33:22,412 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 451 transitions, 1226 flow [2022-11-20 09:33:22,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1524 transitions. [2022-11-20 09:33:22,417 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8773747841105354 [2022-11-20 09:33:22,417 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1524 transitions. [2022-11-20 09:33:22,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1524 transitions. [2022-11-20 09:33:22,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:22,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1524 transitions. [2022-11-20 09:33:22,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:22,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:22,422 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:22,422 INFO L175 Difference]: Start difference. First operand has 457 places, 449 transitions, 1093 flow. Second operand 3 states and 1524 transitions. [2022-11-20 09:33:22,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 451 transitions, 1226 flow [2022-11-20 09:33:22,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 451 transitions, 1222 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:22,433 INFO L231 Difference]: Finished difference. Result has 456 places, 448 transitions, 1091 flow [2022-11-20 09:33:22,433 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1087, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1091, PETRI_PLACES=456, PETRI_TRANSITIONS=448} [2022-11-20 09:33:22,434 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -95 predicate places. [2022-11-20 09:33:22,434 INFO L495 AbstractCegarLoop]: Abstraction has has 456 places, 448 transitions, 1091 flow [2022-11-20 09:33:22,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:22,435 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:22,435 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] [2022-11-20 09:33:22,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-20 09:33:22,435 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:22,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:22,436 INFO L85 PathProgramCache]: Analyzing trace with hash -122709443, now seen corresponding path program 1 times [2022-11-20 09:33:22,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:22,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723583021] [2022-11-20 09:33:22,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:22,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:22,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:22,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723583021] [2022-11-20 09:33:22,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723583021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:22,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:22,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:33:22,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468884708] [2022-11-20 09:33:22,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:22,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:33:22,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:22,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:33:22,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:33:22,864 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 579 [2022-11-20 09:33:22,866 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 448 transitions, 1091 flow. Second operand has 6 states, 6 states have (on average 538.1666666666666) internal successors, (3229), 6 states have internal predecessors, (3229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:22,867 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:22,867 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 579 [2022-11-20 09:33:22,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:23,501 INFO L130 PetriNetUnfolder]: 88/2559 cut-off events. [2022-11-20 09:33:23,502 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-20 09:33:23,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3289 conditions, 2559 events. 88/2559 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 20893 event pairs, 8 based on Foata normal form. 0/2402 useless extension candidates. Maximal degree in co-relation 2915. Up to 108 conditions per place. [2022-11-20 09:33:23,546 INFO L137 encePairwiseOnDemand]: 574/579 looper letters, 28 selfloop transitions, 4 changer transitions 0/447 dead transitions. [2022-11-20 09:33:23,546 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 447 transitions, 1153 flow [2022-11-20 09:33:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:33:23,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 09:33:23,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3237 transitions. [2022-11-20 09:33:23,552 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9317789291882557 [2022-11-20 09:33:23,552 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3237 transitions. [2022-11-20 09:33:23,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3237 transitions. [2022-11-20 09:33:23,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:23,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3237 transitions. [2022-11-20 09:33:23,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 539.5) internal successors, (3237), 6 states have internal predecessors, (3237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:23,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:23,561 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:23,562 INFO L175 Difference]: Start difference. First operand has 456 places, 448 transitions, 1091 flow. Second operand 6 states and 3237 transitions. [2022-11-20 09:33:23,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 447 transitions, 1153 flow [2022-11-20 09:33:23,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 447 transitions, 1149 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:23,572 INFO L231 Difference]: Finished difference. Result has 458 places, 447 transitions, 1093 flow [2022-11-20 09:33:23,572 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1085, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1093, PETRI_PLACES=458, PETRI_TRANSITIONS=447} [2022-11-20 09:33:23,573 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -93 predicate places. [2022-11-20 09:33:23,573 INFO L495 AbstractCegarLoop]: Abstraction has has 458 places, 447 transitions, 1093 flow [2022-11-20 09:33:23,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 538.1666666666666) internal successors, (3229), 6 states have internal predecessors, (3229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:23,574 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:23,574 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] [2022-11-20 09:33:23,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-20 09:33:23,575 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread1Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:23,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:23,575 INFO L85 PathProgramCache]: Analyzing trace with hash -224858210, now seen corresponding path program 1 times [2022-11-20 09:33:23,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:23,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862624375] [2022-11-20 09:33:23,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:23,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:23,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:23,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:23,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862624375] [2022-11-20 09:33:23,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862624375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:23,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:23,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:23,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641744369] [2022-11-20 09:33:23,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:23,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:23,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:23,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:23,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:23,630 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:33:23,632 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 447 transitions, 1093 flow. Second operand has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:23,632 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:23,632 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:33:23,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:24,772 INFO L130 PetriNetUnfolder]: 570/4381 cut-off events. [2022-11-20 09:33:24,772 INFO L131 PetriNetUnfolder]: For 166/181 co-relation queries the response was YES. [2022-11-20 09:33:24,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6807 conditions, 4381 events. 570/4381 cut-off events. For 166/181 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 43803 event pairs, 433 based on Foata normal form. 0/4149 useless extension candidates. Maximal degree in co-relation 6748. Up to 1014 conditions per place. [2022-11-20 09:33:24,836 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 62 selfloop transitions, 2 changer transitions 0/449 dead transitions. [2022-11-20 09:33:24,836 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 449 transitions, 1228 flow [2022-11-20 09:33:24,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1516 transitions. [2022-11-20 09:33:24,838 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.872769142199194 [2022-11-20 09:33:24,838 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1516 transitions. [2022-11-20 09:33:24,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1516 transitions. [2022-11-20 09:33:24,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:24,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1516 transitions. [2022-11-20 09:33:24,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:24,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:24,844 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:24,844 INFO L175 Difference]: Start difference. First operand has 458 places, 447 transitions, 1093 flow. Second operand 3 states and 1516 transitions. [2022-11-20 09:33:24,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 449 transitions, 1228 flow [2022-11-20 09:33:24,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 449 transitions, 1221 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 09:33:24,854 INFO L231 Difference]: Finished difference. Result has 455 places, 446 transitions, 1088 flow [2022-11-20 09:33:24,855 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1084, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1088, PETRI_PLACES=455, PETRI_TRANSITIONS=446} [2022-11-20 09:33:24,855 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -96 predicate places. [2022-11-20 09:33:24,855 INFO L495 AbstractCegarLoop]: Abstraction has has 455 places, 446 transitions, 1088 flow [2022-11-20 09:33:24,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:24,856 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:24,856 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] [2022-11-20 09:33:24,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-20 09:33:24,857 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:24,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:24,857 INFO L85 PathProgramCache]: Analyzing trace with hash 374861766, now seen corresponding path program 1 times [2022-11-20 09:33:24,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:24,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479871] [2022-11-20 09:33:24,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:24,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:24,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:24,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479871] [2022-11-20 09:33:24,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:24,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:24,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:24,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804983411] [2022-11-20 09:33:24,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:24,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:24,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:24,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:24,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:24,899 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:24,900 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 446 transitions, 1088 flow. Second operand has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:24,901 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:24,901 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:24,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:25,820 INFO L130 PetriNetUnfolder]: 410/3580 cut-off events. [2022-11-20 09:33:25,820 INFO L131 PetriNetUnfolder]: For 467/477 co-relation queries the response was YES. [2022-11-20 09:33:25,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5268 conditions, 3580 events. 410/3580 cut-off events. For 467/477 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 34431 event pairs, 300 based on Foata normal form. 0/3367 useless extension candidates. Maximal degree in co-relation 5161. Up to 889 conditions per place. [2022-11-20 09:33:25,889 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 62 selfloop transitions, 2 changer transitions 0/448 dead transitions. [2022-11-20 09:33:25,890 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 448 transitions, 1223 flow [2022-11-20 09:33:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:25,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:25,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1525 transitions. [2022-11-20 09:33:25,892 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8779504893494531 [2022-11-20 09:33:25,892 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1525 transitions. [2022-11-20 09:33:25,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1525 transitions. [2022-11-20 09:33:25,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:25,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1525 transitions. [2022-11-20 09:33:25,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.3333333333333) internal successors, (1525), 3 states have internal predecessors, (1525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:25,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:25,895 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:25,895 INFO L175 Difference]: Start difference. First operand has 455 places, 446 transitions, 1088 flow. Second operand 3 states and 1525 transitions. [2022-11-20 09:33:25,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 448 transitions, 1223 flow [2022-11-20 09:33:25,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 448 transitions, 1219 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:25,904 INFO L231 Difference]: Finished difference. Result has 454 places, 445 transitions, 1086 flow [2022-11-20 09:33:25,905 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1082, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1086, PETRI_PLACES=454, PETRI_TRANSITIONS=445} [2022-11-20 09:33:25,905 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -97 predicate places. [2022-11-20 09:33:25,905 INFO L495 AbstractCegarLoop]: Abstraction has has 454 places, 445 transitions, 1086 flow [2022-11-20 09:33:25,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:25,906 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:25,906 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] [2022-11-20 09:33:25,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-20 09:33:25,907 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:25,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:25,907 INFO L85 PathProgramCache]: Analyzing trace with hash -719056116, now seen corresponding path program 1 times [2022-11-20 09:33:25,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:25,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786962567] [2022-11-20 09:33:25,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:25,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:25,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:25,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786962567] [2022-11-20 09:33:25,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786962567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:25,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:25,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:25,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467359968] [2022-11-20 09:33:25,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:25,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:25,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:25,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:25,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:25,949 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:33:25,950 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 445 transitions, 1086 flow. Second operand has 3 states, 3 states have (on average 496.6666666666667) internal successors, (1490), 3 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:25,951 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:25,951 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:33:25,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:27,095 INFO L130 PetriNetUnfolder]: 621/4293 cut-off events. [2022-11-20 09:33:27,096 INFO L131 PetriNetUnfolder]: For 453/477 co-relation queries the response was YES. [2022-11-20 09:33:27,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6893 conditions, 4293 events. 621/4293 cut-off events. For 453/477 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 42989 event pairs, 483 based on Foata normal form. 0/4069 useless extension candidates. Maximal degree in co-relation 6402. Up to 1347 conditions per place. [2022-11-20 09:33:27,209 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 64 selfloop transitions, 2 changer transitions 0/447 dead transitions. [2022-11-20 09:33:27,210 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 447 transitions, 1225 flow [2022-11-20 09:33:27,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:27,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1517 transitions. [2022-11-20 09:33:27,212 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8733448474381117 [2022-11-20 09:33:27,212 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1517 transitions. [2022-11-20 09:33:27,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1517 transitions. [2022-11-20 09:33:27,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:27,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1517 transitions. [2022-11-20 09:33:27,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.6666666666667) internal successors, (1517), 3 states have internal predecessors, (1517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:27,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:27,215 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:27,215 INFO L175 Difference]: Start difference. First operand has 454 places, 445 transitions, 1086 flow. Second operand 3 states and 1517 transitions. [2022-11-20 09:33:27,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 447 transitions, 1225 flow [2022-11-20 09:33:27,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 447 transitions, 1221 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:27,226 INFO L231 Difference]: Finished difference. Result has 453 places, 444 transitions, 1084 flow [2022-11-20 09:33:27,227 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1080, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1084, PETRI_PLACES=453, PETRI_TRANSITIONS=444} [2022-11-20 09:33:27,227 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -98 predicate places. [2022-11-20 09:33:27,228 INFO L495 AbstractCegarLoop]: Abstraction has has 453 places, 444 transitions, 1084 flow [2022-11-20 09:33:27,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 496.6666666666667) internal successors, (1490), 3 states have internal predecessors, (1490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:27,228 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:27,228 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] [2022-11-20 09:33:27,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-20 09:33:27,229 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:27,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:27,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1748379454, now seen corresponding path program 1 times [2022-11-20 09:33:27,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:27,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779127998] [2022-11-20 09:33:27,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:27,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:27,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:27,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779127998] [2022-11-20 09:33:27,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779127998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:27,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:27,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:27,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141819571] [2022-11-20 09:33:27,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:27,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:27,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:27,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:27,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:27,274 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:27,275 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 444 transitions, 1084 flow. Second operand has 3 states, 3 states have (on average 502.0) internal successors, (1506), 3 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:27,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:27,275 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:27,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:28,558 INFO L130 PetriNetUnfolder]: 863/4988 cut-off events. [2022-11-20 09:33:28,558 INFO L131 PetriNetUnfolder]: For 437/458 co-relation queries the response was YES. [2022-11-20 09:33:28,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8344 conditions, 4988 events. 863/4988 cut-off events. For 437/458 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 51154 event pairs, 703 based on Foata normal form. 0/4769 useless extension candidates. Maximal degree in co-relation 7807. Up to 1684 conditions per place. [2022-11-20 09:33:28,681 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 60 selfloop transitions, 2 changer transitions 0/446 dead transitions. [2022-11-20 09:33:28,682 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 446 transitions, 1215 flow [2022-11-20 09:33:28,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1523 transitions. [2022-11-20 09:33:28,685 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8767990788716177 [2022-11-20 09:33:28,686 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1523 transitions. [2022-11-20 09:33:28,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1523 transitions. [2022-11-20 09:33:28,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:28,686 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1523 transitions. [2022-11-20 09:33:28,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:28,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:28,690 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:28,690 INFO L175 Difference]: Start difference. First operand has 453 places, 444 transitions, 1084 flow. Second operand 3 states and 1523 transitions. [2022-11-20 09:33:28,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 446 transitions, 1215 flow [2022-11-20 09:33:28,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 446 transitions, 1211 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:28,701 INFO L231 Difference]: Finished difference. Result has 452 places, 443 transitions, 1082 flow [2022-11-20 09:33:28,701 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1078, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1082, PETRI_PLACES=452, PETRI_TRANSITIONS=443} [2022-11-20 09:33:28,702 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -99 predicate places. [2022-11-20 09:33:28,702 INFO L495 AbstractCegarLoop]: Abstraction has has 452 places, 443 transitions, 1082 flow [2022-11-20 09:33:28,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.0) internal successors, (1506), 3 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:28,703 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:28,703 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] [2022-11-20 09:33:28,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-20 09:33:28,703 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:28,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:28,704 INFO L85 PathProgramCache]: Analyzing trace with hash -659140815, now seen corresponding path program 1 times [2022-11-20 09:33:28,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:28,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243598269] [2022-11-20 09:33:28,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:28,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:28,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:28,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:28,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243598269] [2022-11-20 09:33:28,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243598269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:28,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:28,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:28,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356342917] [2022-11-20 09:33:28,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:28,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:28,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:28,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:28,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:28,745 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:33:28,746 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 443 transitions, 1082 flow. Second operand has 3 states, 3 states have (on average 500.6666666666667) internal successors, (1502), 3 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:28,746 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:28,746 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:33:28,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:29,785 INFO L130 PetriNetUnfolder]: 561/4324 cut-off events. [2022-11-20 09:33:29,785 INFO L131 PetriNetUnfolder]: For 178/193 co-relation queries the response was YES. [2022-11-20 09:33:29,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6735 conditions, 4324 events. 561/4324 cut-off events. For 178/193 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 43131 event pairs, 424 based on Foata normal form. 0/4140 useless extension candidates. Maximal degree in co-relation 6423. Up to 993 conditions per place. [2022-11-20 09:33:29,857 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 61 selfloop transitions, 2 changer transitions 0/445 dead transitions. [2022-11-20 09:33:29,857 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 445 transitions, 1215 flow [2022-11-20 09:33:29,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:29,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1515 transitions. [2022-11-20 09:33:29,859 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8721934369602763 [2022-11-20 09:33:29,859 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1515 transitions. [2022-11-20 09:33:29,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1515 transitions. [2022-11-20 09:33:29,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:29,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1515 transitions. [2022-11-20 09:33:29,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:29,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:29,864 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:29,865 INFO L175 Difference]: Start difference. First operand has 452 places, 443 transitions, 1082 flow. Second operand 3 states and 1515 transitions. [2022-11-20 09:33:29,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 445 transitions, 1215 flow [2022-11-20 09:33:29,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 445 transitions, 1211 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:29,874 INFO L231 Difference]: Finished difference. Result has 451 places, 442 transitions, 1080 flow [2022-11-20 09:33:29,875 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1076, PETRI_DIFFERENCE_MINUEND_PLACES=449, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1080, PETRI_PLACES=451, PETRI_TRANSITIONS=442} [2022-11-20 09:33:29,875 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -100 predicate places. [2022-11-20 09:33:29,876 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 442 transitions, 1080 flow [2022-11-20 09:33:29,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 500.6666666666667) internal successors, (1502), 3 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:29,876 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:29,876 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] [2022-11-20 09:33:29,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-20 09:33:29,876 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting thread4Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:29,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:29,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1956428430, now seen corresponding path program 1 times [2022-11-20 09:33:29,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:29,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319919342] [2022-11-20 09:33:29,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:29,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:29,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:29,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319919342] [2022-11-20 09:33:29,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319919342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:29,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:29,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:29,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821745359] [2022-11-20 09:33:29,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:29,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:29,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:29,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:29,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:29,920 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:29,921 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 442 transitions, 1080 flow. Second operand has 3 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:29,921 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:29,921 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:29,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:30,906 INFO L130 PetriNetUnfolder]: 404/3535 cut-off events. [2022-11-20 09:33:30,906 INFO L131 PetriNetUnfolder]: For 461/471 co-relation queries the response was YES. [2022-11-20 09:33:30,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5205 conditions, 3535 events. 404/3535 cut-off events. For 461/471 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 33906 event pairs, 294 based on Foata normal form. 0/3361 useless extension candidates. Maximal degree in co-relation 5134. Up to 871 conditions per place. [2022-11-20 09:33:30,976 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 61 selfloop transitions, 2 changer transitions 0/444 dead transitions. [2022-11-20 09:33:30,977 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 444 transitions, 1213 flow [2022-11-20 09:33:30,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:30,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1524 transitions. [2022-11-20 09:33:30,979 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8773747841105354 [2022-11-20 09:33:30,980 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1524 transitions. [2022-11-20 09:33:30,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1524 transitions. [2022-11-20 09:33:30,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:30,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1524 transitions. [2022-11-20 09:33:30,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:30,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:30,984 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:30,984 INFO L175 Difference]: Start difference. First operand has 451 places, 442 transitions, 1080 flow. Second operand 3 states and 1524 transitions. [2022-11-20 09:33:30,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 444 transitions, 1213 flow [2022-11-20 09:33:30,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 444 transitions, 1209 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:30,992 INFO L231 Difference]: Finished difference. Result has 450 places, 441 transitions, 1078 flow [2022-11-20 09:33:30,992 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1074, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1078, PETRI_PLACES=450, PETRI_TRANSITIONS=441} [2022-11-20 09:33:30,993 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -101 predicate places. [2022-11-20 09:33:30,993 INFO L495 AbstractCegarLoop]: Abstraction has has 450 places, 441 transitions, 1078 flow [2022-11-20 09:33:30,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:30,994 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:30,994 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] [2022-11-20 09:33:30,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-20 09:33:30,994 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting thread3Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:30,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:30,995 INFO L85 PathProgramCache]: Analyzing trace with hash -122990795, now seen corresponding path program 1 times [2022-11-20 09:33:30,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:30,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048545392] [2022-11-20 09:33:30,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:30,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:31,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:31,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048545392] [2022-11-20 09:33:31,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048545392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:31,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:31,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:31,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061238408] [2022-11-20 09:33:31,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:31,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:31,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:31,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:31,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:31,045 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:33:31,046 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 441 transitions, 1078 flow. Second operand has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:31,046 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:31,047 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:33:31,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:32,126 INFO L130 PetriNetUnfolder]: 611/4237 cut-off events. [2022-11-20 09:33:32,126 INFO L131 PetriNetUnfolder]: For 449/473 co-relation queries the response was YES. [2022-11-20 09:33:32,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6803 conditions, 4237 events. 611/4237 cut-off events. For 449/473 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 42491 event pairs, 473 based on Foata normal form. 0/4059 useless extension candidates. Maximal degree in co-relation 6444. Up to 1319 conditions per place. [2022-11-20 09:33:32,219 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 63 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2022-11-20 09:33:32,219 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 443 transitions, 1215 flow [2022-11-20 09:33:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1516 transitions. [2022-11-20 09:33:32,221 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.872769142199194 [2022-11-20 09:33:32,222 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1516 transitions. [2022-11-20 09:33:32,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1516 transitions. [2022-11-20 09:33:32,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:32,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1516 transitions. [2022-11-20 09:33:32,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.3333333333333) internal successors, (1516), 3 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:32,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:32,226 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:32,226 INFO L175 Difference]: Start difference. First operand has 450 places, 441 transitions, 1078 flow. Second operand 3 states and 1516 transitions. [2022-11-20 09:33:32,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 443 transitions, 1215 flow [2022-11-20 09:33:32,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 443 transitions, 1211 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:32,235 INFO L231 Difference]: Finished difference. Result has 449 places, 440 transitions, 1076 flow [2022-11-20 09:33:32,236 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1076, PETRI_PLACES=449, PETRI_TRANSITIONS=440} [2022-11-20 09:33:32,237 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -102 predicate places. [2022-11-20 09:33:32,237 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 440 transitions, 1076 flow [2022-11-20 09:33:32,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:32,237 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:32,238 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] [2022-11-20 09:33:32,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-20 09:33:32,238 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:32,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:32,238 INFO L85 PathProgramCache]: Analyzing trace with hash -640667219, now seen corresponding path program 1 times [2022-11-20 09:33:32,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:32,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681311210] [2022-11-20 09:33:32,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:32,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:32,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:32,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681311210] [2022-11-20 09:33:32,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681311210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:32,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:32,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:33:32,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677316248] [2022-11-20 09:33:32,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:32,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:33:32,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:32,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:33:32,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:33:32,695 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 534 out of 579 [2022-11-20 09:33:32,697 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 440 transitions, 1076 flow. Second operand has 6 states, 6 states have (on average 539.1666666666666) internal successors, (3235), 6 states have internal predecessors, (3235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:32,698 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:32,698 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 534 of 579 [2022-11-20 09:33:32,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:33,300 INFO L130 PetriNetUnfolder]: 88/2508 cut-off events. [2022-11-20 09:33:33,300 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-20 09:33:33,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3238 conditions, 2508 events. 88/2508 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 20318 event pairs, 8 based on Foata normal form. 0/2402 useless extension candidates. Maximal degree in co-relation 3012. Up to 108 conditions per place. [2022-11-20 09:33:33,346 INFO L137 encePairwiseOnDemand]: 574/579 looper letters, 27 selfloop transitions, 4 changer transitions 0/439 dead transitions. [2022-11-20 09:33:33,346 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 439 transitions, 1136 flow [2022-11-20 09:33:33,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:33:33,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 09:33:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3236 transitions. [2022-11-20 09:33:33,349 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9314910765687968 [2022-11-20 09:33:33,350 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3236 transitions. [2022-11-20 09:33:33,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3236 transitions. [2022-11-20 09:33:33,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:33,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3236 transitions. [2022-11-20 09:33:33,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 539.3333333333334) internal successors, (3236), 6 states have internal predecessors, (3236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:33,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:33,359 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 579.0) internal successors, (4053), 7 states have internal predecessors, (4053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:33,359 INFO L175 Difference]: Start difference. First operand has 449 places, 440 transitions, 1076 flow. Second operand 6 states and 3236 transitions. [2022-11-20 09:33:33,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 439 transitions, 1136 flow [2022-11-20 09:33:33,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 439 transitions, 1132 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:33,366 INFO L231 Difference]: Finished difference. Result has 451 places, 439 transitions, 1078 flow [2022-11-20 09:33:33,367 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1070, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1078, PETRI_PLACES=451, PETRI_TRANSITIONS=439} [2022-11-20 09:33:33,367 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -100 predicate places. [2022-11-20 09:33:33,367 INFO L495 AbstractCegarLoop]: Abstraction has has 451 places, 439 transitions, 1078 flow [2022-11-20 09:33:33,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 539.1666666666666) internal successors, (3235), 6 states have internal predecessors, (3235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:33,368 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:33,368 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] [2022-11-20 09:33:33,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-20 09:33:33,369 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting thread2Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:33,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:33,369 INFO L85 PathProgramCache]: Analyzing trace with hash 381157228, now seen corresponding path program 1 times [2022-11-20 09:33:33,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:33,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843514304] [2022-11-20 09:33:33,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:33,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:33,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:33,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:33,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843514304] [2022-11-20 09:33:33,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843514304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:33,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:33,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:33,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458671758] [2022-11-20 09:33:33,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:33,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:33,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:33,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:33,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:33,422 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:33,423 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 439 transitions, 1078 flow. Second operand has 3 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:33,424 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:33,424 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:33,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:34,718 INFO L130 PetriNetUnfolder]: 848/4918 cut-off events. [2022-11-20 09:33:34,718 INFO L131 PetriNetUnfolder]: For 418/439 co-relation queries the response was YES. [2022-11-20 09:33:34,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8202 conditions, 4918 events. 848/4918 cut-off events. For 418/439 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 50305 event pairs, 688 based on Foata normal form. 0/4754 useless extension candidates. Maximal degree in co-relation 8172. Up to 1648 conditions per place. [2022-11-20 09:33:34,827 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 59 selfloop transitions, 2 changer transitions 0/441 dead transitions. [2022-11-20 09:33:34,827 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 441 transitions, 1207 flow [2022-11-20 09:33:34,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:34,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1522 transitions. [2022-11-20 09:33:34,830 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8762233736327001 [2022-11-20 09:33:34,830 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1522 transitions. [2022-11-20 09:33:34,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1522 transitions. [2022-11-20 09:33:34,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:34,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1522 transitions. [2022-11-20 09:33:34,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:34,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:34,832 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:34,832 INFO L175 Difference]: Start difference. First operand has 451 places, 439 transitions, 1078 flow. Second operand 3 states and 1522 transitions. [2022-11-20 09:33:34,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 441 transitions, 1207 flow [2022-11-20 09:33:34,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 441 transitions, 1200 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 09:33:34,840 INFO L231 Difference]: Finished difference. Result has 448 places, 438 transitions, 1073 flow [2022-11-20 09:33:34,840 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1069, PETRI_DIFFERENCE_MINUEND_PLACES=446, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1073, PETRI_PLACES=448, PETRI_TRANSITIONS=438} [2022-11-20 09:33:34,841 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -103 predicate places. [2022-11-20 09:33:34,841 INFO L495 AbstractCegarLoop]: Abstraction has has 448 places, 438 transitions, 1073 flow [2022-11-20 09:33:34,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:34,841 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:34,842 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] [2022-11-20 09:33:34,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-20 09:33:34,842 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting thread4Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:34,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:34,843 INFO L85 PathProgramCache]: Analyzing trace with hash 288525010, now seen corresponding path program 1 times [2022-11-20 09:33:34,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:34,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964509961] [2022-11-20 09:33:34,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:34,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:34,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:34,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964509961] [2022-11-20 09:33:34,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964509961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:34,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:34,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:34,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132044736] [2022-11-20 09:33:34,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:34,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:34,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:34,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:34,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:34,893 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:34,894 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 438 transitions, 1073 flow. Second operand has 3 states, 3 states have (on average 502.0) internal successors, (1506), 3 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:34,895 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:34,895 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:34,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:35,838 INFO L130 PetriNetUnfolder]: 398/3490 cut-off events. [2022-11-20 09:33:35,839 INFO L131 PetriNetUnfolder]: For 464/474 co-relation queries the response was YES. [2022-11-20 09:33:35,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5163 conditions, 3490 events. 398/3490 cut-off events. For 464/474 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 33183 event pairs, 288 based on Foata normal form. 0/3355 useless extension candidates. Maximal degree in co-relation 5005. Up to 853 conditions per place. [2022-11-20 09:33:35,901 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 60 selfloop transitions, 2 changer transitions 0/440 dead transitions. [2022-11-20 09:33:35,901 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 440 transitions, 1204 flow [2022-11-20 09:33:35,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1523 transitions. [2022-11-20 09:33:35,904 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8767990788716177 [2022-11-20 09:33:35,904 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1523 transitions. [2022-11-20 09:33:35,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1523 transitions. [2022-11-20 09:33:35,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:35,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1523 transitions. [2022-11-20 09:33:35,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.6666666666667) internal successors, (1523), 3 states have internal predecessors, (1523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:35,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:35,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:35,907 INFO L175 Difference]: Start difference. First operand has 448 places, 438 transitions, 1073 flow. Second operand 3 states and 1523 transitions. [2022-11-20 09:33:35,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 440 transitions, 1204 flow [2022-11-20 09:33:35,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 440 transitions, 1200 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:35,916 INFO L231 Difference]: Finished difference. Result has 447 places, 437 transitions, 1071 flow [2022-11-20 09:33:35,917 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1067, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1071, PETRI_PLACES=447, PETRI_TRANSITIONS=437} [2022-11-20 09:33:35,918 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -104 predicate places. [2022-11-20 09:33:35,918 INFO L495 AbstractCegarLoop]: Abstraction has has 447 places, 437 transitions, 1071 flow [2022-11-20 09:33:35,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.0) internal successors, (1506), 3 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:35,918 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:35,919 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] [2022-11-20 09:33:35,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-11-20 09:33:35,919 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting thread3Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:35,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:35,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1795052744, now seen corresponding path program 1 times [2022-11-20 09:33:35,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:35,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308870971] [2022-11-20 09:33:35,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:35,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:35,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:35,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308870971] [2022-11-20 09:33:35,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308870971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:35,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:35,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:35,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96413741] [2022-11-20 09:33:35,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:35,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:35,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:35,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:35,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:35,963 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 484 out of 579 [2022-11-20 09:33:35,964 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 437 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 500.6666666666667) internal successors, (1502), 3 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:35,964 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:35,965 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 484 of 579 [2022-11-20 09:33:35,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:37,085 INFO L130 PetriNetUnfolder]: 600/4180 cut-off events. [2022-11-20 09:33:37,085 INFO L131 PetriNetUnfolder]: For 448/472 co-relation queries the response was YES. [2022-11-20 09:33:37,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6714 conditions, 4180 events. 600/4180 cut-off events. For 448/472 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 41778 event pairs, 461 based on Foata normal form. 0/4048 useless extension candidates. Maximal degree in co-relation 6487. Up to 1290 conditions per place. [2022-11-20 09:33:37,186 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 62 selfloop transitions, 2 changer transitions 0/439 dead transitions. [2022-11-20 09:33:37,186 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 439 transitions, 1206 flow [2022-11-20 09:33:37,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1515 transitions. [2022-11-20 09:33:37,189 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8721934369602763 [2022-11-20 09:33:37,189 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1515 transitions. [2022-11-20 09:33:37,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1515 transitions. [2022-11-20 09:33:37,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:37,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1515 transitions. [2022-11-20 09:33:37,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:37,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:37,194 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:37,194 INFO L175 Difference]: Start difference. First operand has 447 places, 437 transitions, 1071 flow. Second operand 3 states and 1515 transitions. [2022-11-20 09:33:37,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 439 transitions, 1206 flow [2022-11-20 09:33:37,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 439 transitions, 1202 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:37,204 INFO L231 Difference]: Finished difference. Result has 446 places, 436 transitions, 1069 flow [2022-11-20 09:33:37,205 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1069, PETRI_PLACES=446, PETRI_TRANSITIONS=436} [2022-11-20 09:33:37,206 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -105 predicate places. [2022-11-20 09:33:37,206 INFO L495 AbstractCegarLoop]: Abstraction has has 446 places, 436 transitions, 1069 flow [2022-11-20 09:33:37,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 500.6666666666667) internal successors, (1502), 3 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:37,207 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:33:37,207 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] [2022-11-20 09:33:37,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-20 09:33:37,207 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting thread4Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 203 more)] === [2022-11-20 09:33:37,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:37,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1117798118, now seen corresponding path program 1 times [2022-11-20 09:33:37,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:37,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518635725] [2022-11-20 09:33:37,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:37,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:37,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:33:37,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:37,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518635725] [2022-11-20 09:33:37,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518635725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:37,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:37,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:33:37,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062517794] [2022-11-20 09:33:37,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:37,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:33:37,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:37,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:33:37,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:33:37,257 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 579 [2022-11-20 09:33:37,258 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 436 transitions, 1069 flow. Second operand has 3 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:37,258 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 09:33:37,258 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 579 [2022-11-20 09:33:37,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 09:33:38,130 INFO L130 PetriNetUnfolder]: 388/3456 cut-off events. [2022-11-20 09:33:38,131 INFO L131 PetriNetUnfolder]: For 460/470 co-relation queries the response was YES. [2022-11-20 09:33:38,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5107 conditions, 3456 events. 388/3456 cut-off events. For 460/470 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 32779 event pairs, 276 based on Foata normal form. 0/3345 useless extension candidates. Maximal degree in co-relation 4987. Up to 831 conditions per place. [2022-11-20 09:33:38,183 INFO L137 encePairwiseOnDemand]: 576/579 looper letters, 0 selfloop transitions, 0 changer transitions 438/438 dead transitions. [2022-11-20 09:33:38,183 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 438 transitions, 1198 flow [2022-11-20 09:33:38,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:33:38,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 09:33:38,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1522 transitions. [2022-11-20 09:33:38,186 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8762233736327001 [2022-11-20 09:33:38,186 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1522 transitions. [2022-11-20 09:33:38,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1522 transitions. [2022-11-20 09:33:38,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:38,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1522 transitions. [2022-11-20 09:33:38,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.3333333333333) internal successors, (1522), 3 states have internal predecessors, (1522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:38,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:38,189 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 579.0) internal successors, (2316), 4 states have internal predecessors, (2316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:38,189 INFO L175 Difference]: Start difference. First operand has 446 places, 436 transitions, 1069 flow. Second operand 3 states and 1522 transitions. [2022-11-20 09:33:38,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 438 transitions, 1198 flow [2022-11-20 09:33:38,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 445 places, 438 transitions, 1194 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 09:33:38,195 INFO L231 Difference]: Finished difference. Result has 445 places, 0 transitions, 0 flow [2022-11-20 09:33:38,196 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=579, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=443, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=445, PETRI_TRANSITIONS=0} [2022-11-20 09:33:38,196 INFO L288 CegarLoopForPetriNet]: 551 programPoint places, -106 predicate places. [2022-11-20 09:33:38,196 INFO L495 AbstractCegarLoop]: Abstraction has has 445 places, 0 transitions, 0 flow [2022-11-20 09:33:38,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:38,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (206 of 207 remaining) [2022-11-20 09:33:38,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (205 of 207 remaining) [2022-11-20 09:33:38,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (204 of 207 remaining) [2022-11-20 09:33:38,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (203 of 207 remaining) [2022-11-20 09:33:38,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (202 of 207 remaining) [2022-11-20 09:33:38,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (201 of 207 remaining) [2022-11-20 09:33:38,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (200 of 207 remaining) [2022-11-20 09:33:38,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (199 of 207 remaining) [2022-11-20 09:33:38,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (198 of 207 remaining) [2022-11-20 09:33:38,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (197 of 207 remaining) [2022-11-20 09:33:38,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (196 of 207 remaining) [2022-11-20 09:33:38,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (195 of 207 remaining) [2022-11-20 09:33:38,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (194 of 207 remaining) [2022-11-20 09:33:38,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (193 of 207 remaining) [2022-11-20 09:33:38,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (192 of 207 remaining) [2022-11-20 09:33:38,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (191 of 207 remaining) [2022-11-20 09:33:38,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (190 of 207 remaining) [2022-11-20 09:33:38,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (189 of 207 remaining) [2022-11-20 09:33:38,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (188 of 207 remaining) [2022-11-20 09:33:38,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (187 of 207 remaining) [2022-11-20 09:33:38,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (186 of 207 remaining) [2022-11-20 09:33:38,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (185 of 207 remaining) [2022-11-20 09:33:38,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (184 of 207 remaining) [2022-11-20 09:33:38,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (183 of 207 remaining) [2022-11-20 09:33:38,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (182 of 207 remaining) [2022-11-20 09:33:38,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (181 of 207 remaining) [2022-11-20 09:33:38,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (180 of 207 remaining) [2022-11-20 09:33:38,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (179 of 207 remaining) [2022-11-20 09:33:38,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (178 of 207 remaining) [2022-11-20 09:33:38,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (177 of 207 remaining) [2022-11-20 09:33:38,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (176 of 207 remaining) [2022-11-20 09:33:38,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (175 of 207 remaining) [2022-11-20 09:33:38,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (174 of 207 remaining) [2022-11-20 09:33:38,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (173 of 207 remaining) [2022-11-20 09:33:38,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (172 of 207 remaining) [2022-11-20 09:33:38,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (171 of 207 remaining) [2022-11-20 09:33:38,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (170 of 207 remaining) [2022-11-20 09:33:38,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (169 of 207 remaining) [2022-11-20 09:33:38,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (168 of 207 remaining) [2022-11-20 09:33:38,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (167 of 207 remaining) [2022-11-20 09:33:38,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (166 of 207 remaining) [2022-11-20 09:33:38,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (165 of 207 remaining) [2022-11-20 09:33:38,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (164 of 207 remaining) [2022-11-20 09:33:38,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (163 of 207 remaining) [2022-11-20 09:33:38,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (162 of 207 remaining) [2022-11-20 09:33:38,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (161 of 207 remaining) [2022-11-20 09:33:38,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (160 of 207 remaining) [2022-11-20 09:33:38,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (159 of 207 remaining) [2022-11-20 09:33:38,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (158 of 207 remaining) [2022-11-20 09:33:38,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (157 of 207 remaining) [2022-11-20 09:33:38,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (156 of 207 remaining) [2022-11-20 09:33:38,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (155 of 207 remaining) [2022-11-20 09:33:38,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (154 of 207 remaining) [2022-11-20 09:33:38,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (153 of 207 remaining) [2022-11-20 09:33:38,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (152 of 207 remaining) [2022-11-20 09:33:38,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (151 of 207 remaining) [2022-11-20 09:33:38,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (150 of 207 remaining) [2022-11-20 09:33:38,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (149 of 207 remaining) [2022-11-20 09:33:38,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (148 of 207 remaining) [2022-11-20 09:33:38,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (147 of 207 remaining) [2022-11-20 09:33:38,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (146 of 207 remaining) [2022-11-20 09:33:38,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (145 of 207 remaining) [2022-11-20 09:33:38,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (144 of 207 remaining) [2022-11-20 09:33:38,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (143 of 207 remaining) [2022-11-20 09:33:38,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (142 of 207 remaining) [2022-11-20 09:33:38,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (141 of 207 remaining) [2022-11-20 09:33:38,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (140 of 207 remaining) [2022-11-20 09:33:38,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (139 of 207 remaining) [2022-11-20 09:33:38,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (138 of 207 remaining) [2022-11-20 09:33:38,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (137 of 207 remaining) [2022-11-20 09:33:38,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (136 of 207 remaining) [2022-11-20 09:33:38,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (135 of 207 remaining) [2022-11-20 09:33:38,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (134 of 207 remaining) [2022-11-20 09:33:38,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (133 of 207 remaining) [2022-11-20 09:33:38,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (132 of 207 remaining) [2022-11-20 09:33:38,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (131 of 207 remaining) [2022-11-20 09:33:38,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (130 of 207 remaining) [2022-11-20 09:33:38,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (129 of 207 remaining) [2022-11-20 09:33:38,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (128 of 207 remaining) [2022-11-20 09:33:38,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (127 of 207 remaining) [2022-11-20 09:33:38,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (126 of 207 remaining) [2022-11-20 09:33:38,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (125 of 207 remaining) [2022-11-20 09:33:38,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (124 of 207 remaining) [2022-11-20 09:33:38,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (123 of 207 remaining) [2022-11-20 09:33:38,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (122 of 207 remaining) [2022-11-20 09:33:38,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (121 of 207 remaining) [2022-11-20 09:33:38,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (120 of 207 remaining) [2022-11-20 09:33:38,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (119 of 207 remaining) [2022-11-20 09:33:38,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (118 of 207 remaining) [2022-11-20 09:33:38,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (117 of 207 remaining) [2022-11-20 09:33:38,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (116 of 207 remaining) [2022-11-20 09:33:38,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (115 of 207 remaining) [2022-11-20 09:33:38,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (114 of 207 remaining) [2022-11-20 09:33:38,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (113 of 207 remaining) [2022-11-20 09:33:38,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (112 of 207 remaining) [2022-11-20 09:33:38,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (111 of 207 remaining) [2022-11-20 09:33:38,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (110 of 207 remaining) [2022-11-20 09:33:38,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (109 of 207 remaining) [2022-11-20 09:33:38,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (108 of 207 remaining) [2022-11-20 09:33:38,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (107 of 207 remaining) [2022-11-20 09:33:38,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (106 of 207 remaining) [2022-11-20 09:33:38,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (105 of 207 remaining) [2022-11-20 09:33:38,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (104 of 207 remaining) [2022-11-20 09:33:38,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (103 of 207 remaining) [2022-11-20 09:33:38,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (102 of 207 remaining) [2022-11-20 09:33:38,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (101 of 207 remaining) [2022-11-20 09:33:38,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (100 of 207 remaining) [2022-11-20 09:33:38,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (99 of 207 remaining) [2022-11-20 09:33:38,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (98 of 207 remaining) [2022-11-20 09:33:38,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (97 of 207 remaining) [2022-11-20 09:33:38,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (96 of 207 remaining) [2022-11-20 09:33:38,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (95 of 207 remaining) [2022-11-20 09:33:38,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (94 of 207 remaining) [2022-11-20 09:33:38,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (93 of 207 remaining) [2022-11-20 09:33:38,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (92 of 207 remaining) [2022-11-20 09:33:38,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (91 of 207 remaining) [2022-11-20 09:33:38,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (90 of 207 remaining) [2022-11-20 09:33:38,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (89 of 207 remaining) [2022-11-20 09:33:38,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (88 of 207 remaining) [2022-11-20 09:33:38,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (87 of 207 remaining) [2022-11-20 09:33:38,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (86 of 207 remaining) [2022-11-20 09:33:38,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (85 of 207 remaining) [2022-11-20 09:33:38,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (84 of 207 remaining) [2022-11-20 09:33:38,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (83 of 207 remaining) [2022-11-20 09:33:38,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (82 of 207 remaining) [2022-11-20 09:33:38,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (81 of 207 remaining) [2022-11-20 09:33:38,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (80 of 207 remaining) [2022-11-20 09:33:38,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (79 of 207 remaining) [2022-11-20 09:33:38,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (78 of 207 remaining) [2022-11-20 09:33:38,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (77 of 207 remaining) [2022-11-20 09:33:38,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (76 of 207 remaining) [2022-11-20 09:33:38,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (75 of 207 remaining) [2022-11-20 09:33:38,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (74 of 207 remaining) [2022-11-20 09:33:38,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (73 of 207 remaining) [2022-11-20 09:33:38,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (72 of 207 remaining) [2022-11-20 09:33:38,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (71 of 207 remaining) [2022-11-20 09:33:38,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (70 of 207 remaining) [2022-11-20 09:33:38,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (69 of 207 remaining) [2022-11-20 09:33:38,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (68 of 207 remaining) [2022-11-20 09:33:38,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (67 of 207 remaining) [2022-11-20 09:33:38,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (66 of 207 remaining) [2022-11-20 09:33:38,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (65 of 207 remaining) [2022-11-20 09:33:38,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 207 remaining) [2022-11-20 09:33:38,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (63 of 207 remaining) [2022-11-20 09:33:38,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (62 of 207 remaining) [2022-11-20 09:33:38,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 207 remaining) [2022-11-20 09:33:38,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 207 remaining) [2022-11-20 09:33:38,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (59 of 207 remaining) [2022-11-20 09:33:38,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (58 of 207 remaining) [2022-11-20 09:33:38,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (57 of 207 remaining) [2022-11-20 09:33:38,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (56 of 207 remaining) [2022-11-20 09:33:38,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (55 of 207 remaining) [2022-11-20 09:33:38,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (54 of 207 remaining) [2022-11-20 09:33:38,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (53 of 207 remaining) [2022-11-20 09:33:38,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (52 of 207 remaining) [2022-11-20 09:33:38,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (51 of 207 remaining) [2022-11-20 09:33:38,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (50 of 207 remaining) [2022-11-20 09:33:38,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (49 of 207 remaining) [2022-11-20 09:33:38,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (48 of 207 remaining) [2022-11-20 09:33:38,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (47 of 207 remaining) [2022-11-20 09:33:38,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (46 of 207 remaining) [2022-11-20 09:33:38,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 207 remaining) [2022-11-20 09:33:38,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 207 remaining) [2022-11-20 09:33:38,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 207 remaining) [2022-11-20 09:33:38,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 207 remaining) [2022-11-20 09:33:38,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 207 remaining) [2022-11-20 09:33:38,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 207 remaining) [2022-11-20 09:33:38,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 207 remaining) [2022-11-20 09:33:38,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 207 remaining) [2022-11-20 09:33:38,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (37 of 207 remaining) [2022-11-20 09:33:38,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (36 of 207 remaining) [2022-11-20 09:33:38,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (35 of 207 remaining) [2022-11-20 09:33:38,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (34 of 207 remaining) [2022-11-20 09:33:38,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (33 of 207 remaining) [2022-11-20 09:33:38,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (32 of 207 remaining) [2022-11-20 09:33:38,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (31 of 207 remaining) [2022-11-20 09:33:38,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (30 of 207 remaining) [2022-11-20 09:33:38,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (29 of 207 remaining) [2022-11-20 09:33:38,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (28 of 207 remaining) [2022-11-20 09:33:38,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (27 of 207 remaining) [2022-11-20 09:33:38,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (26 of 207 remaining) [2022-11-20 09:33:38,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (25 of 207 remaining) [2022-11-20 09:33:38,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (24 of 207 remaining) [2022-11-20 09:33:38,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (23 of 207 remaining) [2022-11-20 09:33:38,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (22 of 207 remaining) [2022-11-20 09:33:38,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (21 of 207 remaining) [2022-11-20 09:33:38,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (20 of 207 remaining) [2022-11-20 09:33:38,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (19 of 207 remaining) [2022-11-20 09:33:38,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (18 of 207 remaining) [2022-11-20 09:33:38,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (17 of 207 remaining) [2022-11-20 09:33:38,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (16 of 207 remaining) [2022-11-20 09:33:38,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (15 of 207 remaining) [2022-11-20 09:33:38,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (14 of 207 remaining) [2022-11-20 09:33:38,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (13 of 207 remaining) [2022-11-20 09:33:38,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (12 of 207 remaining) [2022-11-20 09:33:38,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (11 of 207 remaining) [2022-11-20 09:33:38,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (10 of 207 remaining) [2022-11-20 09:33:38,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (9 of 207 remaining) [2022-11-20 09:33:38,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (8 of 207 remaining) [2022-11-20 09:33:38,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (7 of 207 remaining) [2022-11-20 09:33:38,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (6 of 207 remaining) [2022-11-20 09:33:38,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (5 of 207 remaining) [2022-11-20 09:33:38,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (4 of 207 remaining) [2022-11-20 09:33:38,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (3 of 207 remaining) [2022-11-20 09:33:38,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (2 of 207 remaining) [2022-11-20 09:33:38,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (1 of 207 remaining) [2022-11-20 09:33:38,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (0 of 207 remaining) [2022-11-20 09:33:38,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-20 09:33:38,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:33:38,251 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 09:33:38,251 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:33:38,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:33:38 BasicIcfg [2022-11-20 09:33:38,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:33:38,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:33:38,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:33:38,258 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:33:38,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:32:35" (3/4) ... [2022-11-20 09:33:38,261 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:33:38,267 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 09:33:38,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 09:33:38,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 09:33:38,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-20 09:33:38,273 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-20 09:33:38,274 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 09:33:38,274 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 09:33:38,274 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:33:38,330 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:33:38,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:33:38,331 INFO L158 Benchmark]: Toolchain (without parser) took 64403.68ms. Allocated memory was 163.6MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 122.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-11-20 09:33:38,331 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:33:38,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.72ms. Allocated memory is still 163.6MB. Free memory was 121.4MB in the beginning and 108.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 09:33:38,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.08ms. Allocated memory is still 163.6MB. Free memory was 108.1MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:33:38,333 INFO L158 Benchmark]: Boogie Preprocessor took 41.10ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:33:38,333 INFO L158 Benchmark]: RCFGBuilder took 1165.01ms. Allocated memory is still 163.6MB. Free memory was 103.9MB in the beginning and 69.6MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 09:33:38,334 INFO L158 Benchmark]: TraceAbstraction took 62749.23ms. Allocated memory was 163.6MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 68.9MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-11-20 09:33:38,334 INFO L158 Benchmark]: Witness Printer took 72.50ms. Allocated memory is still 3.1GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:33:38,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.72ms. Allocated memory is still 163.6MB. Free memory was 121.4MB in the beginning and 108.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.08ms. Allocated memory is still 163.6MB. Free memory was 108.1MB in the beginning and 106.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.10ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 103.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1165.01ms. Allocated memory is still 163.6MB. Free memory was 103.9MB in the beginning and 69.6MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 62749.23ms. Allocated memory was 163.6MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 68.9MB in the beginning and 1.3GB in the end (delta: -1.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 72.50ms. Allocated memory is still 3.1GB. Free memory was 1.3GB in the beginning and 1.3GB 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: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: 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: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: 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: 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: 67]: 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: 68]: 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: 69]: 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: 70]: 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: 71]: 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: 72]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 82]: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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 9 procedures, 946 locations, 207 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: 62.4s, OverallIterations: 43, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 57.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 288 mSDsluCounter, 2052 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2880 IncrementalHoareTripleChecker+Invalid, 3093 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 2043 mSDtfsCounter, 2880 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1126occurred in iteration=9, InterpolantAutomatonStates: 143, 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, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 4495 NumberOfCodeBlocks, 4495 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 4452 ConstructedInterpolants, 0 QuantifiedInterpolants, 4854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 43 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 111 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 09:33:38,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4361c6ea-e7c6-4858-94d3-8bc949a560d6/bin/uautomizer-ug76WZFUDN/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