./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i --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_cdf5f619-2f0c-4802-b925-06af01cd1e68/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/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_cdf5f619-2f0c-4802-b925-06af01cd1e68/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/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_cdf5f619-2f0c-4802-b925-06af01cd1e68/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 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 --- 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 12:47:30,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:47:30,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:47:30,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:47:30,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:47:30,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:47:30,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:47:30,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:47:30,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:47:30,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:47:30,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:47:30,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:47:30,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:47:30,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:47:31,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:47:31,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:47:31,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:47:31,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:47:31,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:47:31,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:47:31,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:47:31,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:47:31,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:47:31,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:47:31,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:47:31,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:47:31,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:47:31,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:47:31,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:47:31,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:47:31,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:47:31,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:47:31,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:47:31,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:47:31,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:47:31,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:47:31,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:47:31,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:47:31,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:47:31,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:47:31,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:47:31,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 12:47:31,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:47:31,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:47:31,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:47:31,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:47:31,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:47:31,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:47:31,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:47:31,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:47:31,108 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:47:31,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:47:31,110 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:47:31,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:47:31,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:47:31,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:47:31,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:47:31,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:47:31,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:47:31,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:47:31,111 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 12:47:31,112 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:47:31,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:47:31,112 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:47:31,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:47:31,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:47:31,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:47:31,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:47:31,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:47:31,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:47:31,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:47:31,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:47:31,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:47:31,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:47:31,115 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:47:31,115 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:47:31,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:47:31,116 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_cdf5f619-2f0c-4802-b925-06af01cd1e68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 [2022-11-20 12:47:31,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:47:31,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:47:31,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:47:31,419 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:47:31,420 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:47:31,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-20 12:47:34,579 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:47:34,897 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:47:34,897 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-20 12:47:34,912 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/bin/uautomizer-ug76WZFUDN/data/9e9d6e554/59d2d3837e27472098881eb6443beb3f/FLAG71fb2efe1 [2022-11-20 12:47:34,928 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/bin/uautomizer-ug76WZFUDN/data/9e9d6e554/59d2d3837e27472098881eb6443beb3f [2022-11-20 12:47:34,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:47:34,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:47:34,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:47:34,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:47:34,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:47:34,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:47:34" (1/1) ... [2022-11-20 12:47:34,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7acb2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:34, skipping insertion in model container [2022-11-20 12:47:34,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:47:34" (1/1) ... [2022-11-20 12:47:34,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:47:35,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:47:35,386 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_cdf5f619-2f0c-4802-b925-06af01cd1e68/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-20 12:47:35,396 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_cdf5f619-2f0c-4802-b925-06af01cd1e68/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-20 12:47:35,405 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_cdf5f619-2f0c-4802-b925-06af01cd1e68/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-20 12:47:35,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:47:35,433 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:47:35,497 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_cdf5f619-2f0c-4802-b925-06af01cd1e68/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-20 12:47:35,505 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_cdf5f619-2f0c-4802-b925-06af01cd1e68/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-20 12:47:35,508 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_cdf5f619-2f0c-4802-b925-06af01cd1e68/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-20 12:47:35,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:47:35,565 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:47:35,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35 WrapperNode [2022-11-20 12:47:35,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:47:35,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:47:35,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:47:35,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:47:35,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,634 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 250 [2022-11-20 12:47:35,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:47:35,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:47:35,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:47:35,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:47:35,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,667 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:47:35,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:47:35,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:47:35,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:47:35,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (1/1) ... [2022-11-20 12:47:35,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:47:35,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:47:35,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:47:35,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdf5f619-2f0c-4802-b925-06af01cd1e68/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:47:35,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:47:35,754 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 12:47:35,754 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 12:47:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 12:47:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 12:47:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:47:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 12:47:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:47:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:47:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:47:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:47:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:47:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:47:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:47:35,758 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 12:47:35,902 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:47:35,904 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:47:36,487 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:47:36,500 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:47:36,500 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:47:36,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:47:36 BoogieIcfgContainer [2022-11-20 12:47:36,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:47:36,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:47:36,507 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:47:36,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:47:36,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:47:34" (1/3) ... [2022-11-20 12:47:36,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3466a755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:47:36, skipping insertion in model container [2022-11-20 12:47:36,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:47:35" (2/3) ... [2022-11-20 12:47:36,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3466a755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:47:36, skipping insertion in model container [2022-11-20 12:47:36,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:47:36" (3/3) ... [2022-11-20 12:47:36,522 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2022-11-20 12:47:36,533 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 12:47:36,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:47:36,546 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-20 12:47:36,546 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 12:47:36,695 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-20 12:47:36,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 292 places, 298 transitions, 612 flow [2022-11-20 12:47:36,891 INFO L130 PetriNetUnfolder]: 13/296 cut-off events. [2022-11-20 12:47:36,891 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-20 12:47:36,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 296 events. 13/296 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 785 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 204. Up to 2 conditions per place. [2022-11-20 12:47:36,900 INFO L82 GeneralOperation]: Start removeDead. Operand has 292 places, 298 transitions, 612 flow [2022-11-20 12:47:36,909 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 280 places, 286 transitions, 581 flow [2022-11-20 12:47:36,919 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:47:36,926 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;@242271a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:47:36,926 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-11-20 12:47:36,936 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-11-20 12:47:36,936 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:47:36,936 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:36,937 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 12:47:36,938 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:36,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:36,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1867308915, now seen corresponding path program 1 times [2022-11-20 12:47:36,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:36,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127063457] [2022-11-20 12:47:36,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:36,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:37,323 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 12:47:37,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:37,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127063457] [2022-11-20 12:47:37,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127063457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:37,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:37,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:37,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721488882] [2022-11-20 12:47:37,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:37,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:37,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:37,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:37,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:37,416 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 298 [2022-11-20 12:47:37,424 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 286 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states 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 12:47:37,425 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:37,425 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 298 [2022-11-20 12:47:37,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:37,888 INFO L130 PetriNetUnfolder]: 116/1305 cut-off events. [2022-11-20 12:47:37,888 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-11-20 12:47:37,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 1305 events. 116/1305 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8025 event pairs, 51 based on Foata normal form. 47/1081 useless extension candidates. Maximal degree in co-relation 1279. Up to 148 conditions per place. [2022-11-20 12:47:37,907 INFO L137 encePairwiseOnDemand]: 290/298 looper letters, 21 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2022-11-20 12:47:37,908 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 277 transitions, 609 flow [2022-11-20 12:47:37,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:37,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:47:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 824 transitions. [2022-11-20 12:47:37,932 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9217002237136466 [2022-11-20 12:47:37,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 824 transitions. [2022-11-20 12:47:37,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 824 transitions. [2022-11-20 12:47:37,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:37,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 824 transitions. [2022-11-20 12:47:37,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 0 states have call successors, (0), 0 states 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 12:47:37,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:37,960 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:37,962 INFO L175 Difference]: Start difference. First operand has 280 places, 286 transitions, 581 flow. Second operand 3 states and 824 transitions. [2022-11-20 12:47:37,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 277 transitions, 609 flow [2022-11-20 12:47:37,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 277 transitions, 604 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-20 12:47:37,979 INFO L231 Difference]: Finished difference. Result has 275 places, 277 transitions, 562 flow [2022-11-20 12:47:37,982 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=562, PETRI_PLACES=275, PETRI_TRANSITIONS=277} [2022-11-20 12:47:37,988 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -5 predicate places. [2022-11-20 12:47:37,988 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 277 transitions, 562 flow [2022-11-20 12:47:37,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states 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 12:47:37,990 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:37,991 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] [2022-11-20 12:47:37,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:47:37,992 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:37,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:37,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1878517742, now seen corresponding path program 1 times [2022-11-20 12:47:37,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:37,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813803817] [2022-11-20 12:47:37,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:37,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:38,143 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 12:47:38,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:38,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813803817] [2022-11-20 12:47:38,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813803817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:38,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:38,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:38,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877336437] [2022-11-20 12:47:38,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:38,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:38,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:38,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:38,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:38,156 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 298 [2022-11-20 12:47:38,157 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 277 transitions, 562 flow. Second operand has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 0 states have call successors, (0), 0 states 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 12:47:38,157 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:38,157 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 298 [2022-11-20 12:47:38,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:38,446 INFO L130 PetriNetUnfolder]: 122/1106 cut-off events. [2022-11-20 12:47:38,446 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-20 12:47:38,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1326 conditions, 1106 events. 122/1106 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 6650 event pairs, 63 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 1276. Up to 181 conditions per place. [2022-11-20 12:47:38,458 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 27 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2022-11-20 12:47:38,459 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 276 transitions, 618 flow [2022-11-20 12:47:38,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:47:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 807 transitions. [2022-11-20 12:47:38,462 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9026845637583892 [2022-11-20 12:47:38,462 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 807 transitions. [2022-11-20 12:47:38,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 807 transitions. [2022-11-20 12:47:38,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:38,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 807 transitions. [2022-11-20 12:47:38,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.0) internal successors, (807), 3 states have internal predecessors, (807), 0 states have call successors, (0), 0 states 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 12:47:38,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:38,468 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:38,468 INFO L175 Difference]: Start difference. First operand has 275 places, 277 transitions, 562 flow. Second operand 3 states and 807 transitions. [2022-11-20 12:47:38,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 276 transitions, 618 flow [2022-11-20 12:47:38,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 276 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:47:38,477 INFO L231 Difference]: Finished difference. Result has 274 places, 276 transitions, 560 flow [2022-11-20 12:47:38,478 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=556, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=560, PETRI_PLACES=274, PETRI_TRANSITIONS=276} [2022-11-20 12:47:38,480 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -6 predicate places. [2022-11-20 12:47:38,480 INFO L495 AbstractCegarLoop]: Abstraction has has 274 places, 276 transitions, 560 flow [2022-11-20 12:47:38,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 260.3333333333333) internal successors, (781), 3 states have internal predecessors, (781), 0 states have call successors, (0), 0 states 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 12:47:38,481 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:38,481 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] [2022-11-20 12:47:38,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:47:38,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:38,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:38,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1369265947, now seen corresponding path program 1 times [2022-11-20 12:47:38,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:38,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919567008] [2022-11-20 12:47:38,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:38,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:38,597 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 12:47:38,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:38,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919567008] [2022-11-20 12:47:38,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919567008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:38,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:38,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:38,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441580312] [2022-11-20 12:47:38,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:38,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:38,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:38,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:38,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:38,602 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 298 [2022-11-20 12:47:38,604 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 276 transitions, 560 flow. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states 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 12:47:38,604 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:38,604 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 298 [2022-11-20 12:47:38,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:38,909 INFO L130 PetriNetUnfolder]: 103/1235 cut-off events. [2022-11-20 12:47:38,909 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-20 12:47:38,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1401 conditions, 1235 events. 103/1235 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7234 event pairs, 28 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 1344. Up to 113 conditions per place. [2022-11-20 12:47:38,925 INFO L137 encePairwiseOnDemand]: 287/298 looper letters, 22 selfloop transitions, 5 changer transitions 0/277 dead transitions. [2022-11-20 12:47:38,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 277 transitions, 618 flow [2022-11-20 12:47:38,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:47:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 819 transitions. [2022-11-20 12:47:38,930 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9161073825503355 [2022-11-20 12:47:38,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 819 transitions. [2022-11-20 12:47:38,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 819 transitions. [2022-11-20 12:47:38,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:38,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 819 transitions. [2022-11-20 12:47:38,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states 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 12:47:38,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:38,936 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:38,936 INFO L175 Difference]: Start difference. First operand has 274 places, 276 transitions, 560 flow. Second operand 3 states and 819 transitions. [2022-11-20 12:47:38,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 277 transitions, 618 flow [2022-11-20 12:47:38,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 277 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:47:38,942 INFO L231 Difference]: Finished difference. Result has 271 places, 274 transitions, 580 flow [2022-11-20 12:47:38,943 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=580, PETRI_PLACES=271, PETRI_TRANSITIONS=274} [2022-11-20 12:47:38,946 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -9 predicate places. [2022-11-20 12:47:38,946 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 274 transitions, 580 flow [2022-11-20 12:47:38,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states 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 12:47:38,947 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:38,947 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] [2022-11-20 12:47:38,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:47:38,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:38,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:38,948 INFO L85 PathProgramCache]: Analyzing trace with hash -94657469, now seen corresponding path program 1 times [2022-11-20 12:47:38,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:38,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024733428] [2022-11-20 12:47:38,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:38,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:39,039 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 12:47:39,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:39,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024733428] [2022-11-20 12:47:39,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024733428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:39,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:39,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:39,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81763679] [2022-11-20 12:47:39,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:39,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:39,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:39,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:39,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:39,043 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2022-11-20 12:47:39,044 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 274 transitions, 580 flow. Second operand has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 12:47:39,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:39,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2022-11-20 12:47:39,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:39,179 INFO L130 PetriNetUnfolder]: 42/641 cut-off events. [2022-11-20 12:47:39,179 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-11-20 12:47:39,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 641 events. 42/641 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2536 event pairs, 14 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 658. Up to 70 conditions per place. [2022-11-20 12:47:39,185 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 18 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2022-11-20 12:47:39,186 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 273 transitions, 618 flow [2022-11-20 12:47:39,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:39,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:47:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 825 transitions. [2022-11-20 12:47:39,188 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9228187919463087 [2022-11-20 12:47:39,188 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 825 transitions. [2022-11-20 12:47:39,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 825 transitions. [2022-11-20 12:47:39,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:39,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 825 transitions. [2022-11-20 12:47:39,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 275.0) internal successors, (825), 3 states have internal predecessors, (825), 0 states have call successors, (0), 0 states 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 12:47:39,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:39,194 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:39,194 INFO L175 Difference]: Start difference. First operand has 271 places, 274 transitions, 580 flow. Second operand 3 states and 825 transitions. [2022-11-20 12:47:39,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 273 transitions, 618 flow [2022-11-20 12:47:39,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 273 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:47:39,201 INFO L231 Difference]: Finished difference. Result has 270 places, 273 transitions, 572 flow [2022-11-20 12:47:39,201 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=270, PETRI_TRANSITIONS=273} [2022-11-20 12:47:39,202 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -10 predicate places. [2022-11-20 12:47:39,202 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 273 transitions, 572 flow [2022-11-20 12:47:39,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states 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 12:47:39,203 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:39,203 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] [2022-11-20 12:47:39,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:47:39,204 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:39,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:39,204 INFO L85 PathProgramCache]: Analyzing trace with hash -209836349, now seen corresponding path program 1 times [2022-11-20 12:47:39,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:39,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824329871] [2022-11-20 12:47:39,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:39,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:39,261 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 12:47:39,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:39,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824329871] [2022-11-20 12:47:39,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824329871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:39,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:39,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:39,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623107331] [2022-11-20 12:47:39,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:39,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:39,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:39,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:39,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:39,266 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-20 12:47:39,267 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 273 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states 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 12:47:39,267 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:39,268 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-20 12:47:39,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:39,502 INFO L130 PetriNetUnfolder]: 97/1287 cut-off events. [2022-11-20 12:47:39,502 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-20 12:47:39,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1446 conditions, 1287 events. 97/1287 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7304 event pairs, 30 based on Foata normal form. 0/1047 useless extension candidates. Maximal degree in co-relation 1382. Up to 95 conditions per place. [2022-11-20 12:47:39,513 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 15 selfloop transitions, 2 changer transitions 0/272 dead transitions. [2022-11-20 12:47:39,513 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 272 transitions, 604 flow [2022-11-20 12:47:39,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:39,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:47:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2022-11-20 12:47:39,516 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9295302013422819 [2022-11-20 12:47:39,517 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2022-11-20 12:47:39,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2022-11-20 12:47:39,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:39,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2022-11-20 12:47:39,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states 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 12:47:39,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:39,522 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:39,522 INFO L175 Difference]: Start difference. First operand has 270 places, 273 transitions, 572 flow. Second operand 3 states and 831 transitions. [2022-11-20 12:47:39,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 272 transitions, 604 flow [2022-11-20 12:47:39,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 272 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:47:39,529 INFO L231 Difference]: Finished difference. Result has 269 places, 272 transitions, 570 flow [2022-11-20 12:47:39,530 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=269, PETRI_TRANSITIONS=272} [2022-11-20 12:47:39,533 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -11 predicate places. [2022-11-20 12:47:39,533 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 272 transitions, 570 flow [2022-11-20 12:47:39,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states 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 12:47:39,534 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:39,534 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 12:47:39,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:47:39,534 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:39,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:39,536 INFO L85 PathProgramCache]: Analyzing trace with hash -784374040, now seen corresponding path program 1 times [2022-11-20 12:47:39,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:39,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263056509] [2022-11-20 12:47:39,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:39,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:39,604 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 12:47:39,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:39,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263056509] [2022-11-20 12:47:39,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263056509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:39,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:39,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:39,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550298948] [2022-11-20 12:47:39,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:39,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:39,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:39,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:39,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:39,608 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-20 12:47:39,609 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 272 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states 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 12:47:39,609 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:39,609 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-20 12:47:39,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:39,882 INFO L130 PetriNetUnfolder]: 98/1318 cut-off events. [2022-11-20 12:47:39,882 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-20 12:47:39,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1477 conditions, 1318 events. 98/1318 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7738 event pairs, 29 based on Foata normal form. 0/1084 useless extension candidates. Maximal degree in co-relation 1407. Up to 101 conditions per place. [2022-11-20 12:47:39,891 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 15 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2022-11-20 12:47:39,891 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 271 transitions, 602 flow [2022-11-20 12:47:39,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:39,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:47:39,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2022-11-20 12:47:39,894 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9295302013422819 [2022-11-20 12:47:39,894 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2022-11-20 12:47:39,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2022-11-20 12:47:39,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:39,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2022-11-20 12:47:39,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states 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 12:47:39,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:39,899 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:39,900 INFO L175 Difference]: Start difference. First operand has 269 places, 272 transitions, 570 flow. Second operand 3 states and 831 transitions. [2022-11-20 12:47:39,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 271 transitions, 602 flow [2022-11-20 12:47:39,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 271 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:47:39,905 INFO L231 Difference]: Finished difference. Result has 268 places, 271 transitions, 568 flow [2022-11-20 12:47:39,906 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=568, PETRI_PLACES=268, PETRI_TRANSITIONS=271} [2022-11-20 12:47:39,908 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -12 predicate places. [2022-11-20 12:47:39,908 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 271 transitions, 568 flow [2022-11-20 12:47:39,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 272.3333333333333) internal successors, (817), 3 states have internal predecessors, (817), 0 states have call successors, (0), 0 states 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 12:47:39,910 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:39,910 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] [2022-11-20 12:47:39,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:47:39,910 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:39,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:39,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1343965613, now seen corresponding path program 1 times [2022-11-20 12:47:39,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:39,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230848254] [2022-11-20 12:47:39,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:39,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:39,996 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 12:47:39,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:39,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230848254] [2022-11-20 12:47:39,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230848254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:39,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:39,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:39,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665258407] [2022-11-20 12:47:39,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:39,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:39,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:39,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:39,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:39,999 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 298 [2022-11-20 12:47:40,000 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 271 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 0 states have call successors, (0), 0 states 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 12:47:40,001 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:40,001 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 298 [2022-11-20 12:47:40,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:40,277 INFO L130 PetriNetUnfolder]: 119/1636 cut-off events. [2022-11-20 12:47:40,277 INFO L131 PetriNetUnfolder]: For 17/19 co-relation queries the response was YES. [2022-11-20 12:47:40,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1831 conditions, 1636 events. 119/1636 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 10903 event pairs, 22 based on Foata normal form. 1/1347 useless extension candidates. Maximal degree in co-relation 1755. Up to 83 conditions per place. [2022-11-20 12:47:40,335 INFO L137 encePairwiseOnDemand]: 293/298 looper letters, 18 selfloop transitions, 4 changer transitions 0/279 dead transitions. [2022-11-20 12:47:40,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 279 transitions, 631 flow [2022-11-20 12:47:40,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:40,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:47:40,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 845 transitions. [2022-11-20 12:47:40,338 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9451901565995525 [2022-11-20 12:47:40,338 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 845 transitions. [2022-11-20 12:47:40,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 845 transitions. [2022-11-20 12:47:40,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:40,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 845 transitions. [2022-11-20 12:47:40,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.6666666666667) internal successors, (845), 3 states have internal predecessors, (845), 0 states have call successors, (0), 0 states 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 12:47:40,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:40,343 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:40,343 INFO L175 Difference]: Start difference. First operand has 268 places, 271 transitions, 568 flow. Second operand 3 states and 845 transitions. [2022-11-20 12:47:40,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 279 transitions, 631 flow [2022-11-20 12:47:40,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 279 transitions, 627 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:47:40,349 INFO L231 Difference]: Finished difference. Result has 270 places, 275 transitions, 598 flow [2022-11-20 12:47:40,350 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=270, PETRI_TRANSITIONS=275} [2022-11-20 12:47:40,351 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -10 predicate places. [2022-11-20 12:47:40,351 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 275 transitions, 598 flow [2022-11-20 12:47:40,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 0 states have call successors, (0), 0 states 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 12:47:40,352 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:40,352 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] [2022-11-20 12:47:40,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:47:40,352 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:40,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:40,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1907799492, now seen corresponding path program 1 times [2022-11-20 12:47:40,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:40,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019429693] [2022-11-20 12:47:40,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:40,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:40,874 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 12:47:40,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:40,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019429693] [2022-11-20 12:47:40,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019429693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:40,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:40,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:47:40,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024001294] [2022-11-20 12:47:40,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:40,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:47:40,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:40,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:47:40,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:47:40,887 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 298 [2022-11-20 12:47:40,889 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 275 transitions, 598 flow. Second operand has 6 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states 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 12:47:40,889 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:40,889 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 298 [2022-11-20 12:47:40,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:42,193 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [225#L765-7true, Black: 303#true, 101#L699-4true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-20 12:47:42,193 INFO L383 tUnfolder$Statistics]: this new event has 188 ancestors and is cut-off event [2022-11-20 12:47:42,193 INFO L386 tUnfolder$Statistics]: existing Event has 170 ancestors and is cut-off event [2022-11-20 12:47:42,194 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-20 12:47:42,194 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-20 12:47:42,211 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [Black: 303#true, t2Thread1of1ForFork0InUse, 101#L699-4true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 245#L766-6true, 321#true]) [2022-11-20 12:47:42,211 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-20 12:47:42,212 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-20 12:47:42,212 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-20 12:47:42,212 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-20 12:47:42,212 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [51#L766-5true, 101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-20 12:47:42,213 INFO L383 tUnfolder$Statistics]: this new event has 191 ancestors and is cut-off event [2022-11-20 12:47:42,213 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2022-11-20 12:47:42,213 INFO L386 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-11-20 12:47:42,213 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-20 12:47:42,213 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 44#L766-3true, 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-20 12:47:42,214 INFO L383 tUnfolder$Statistics]: this new event has 189 ancestors and is cut-off event [2022-11-20 12:47:42,214 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-20 12:47:42,214 INFO L386 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-11-20 12:47:42,214 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-20 12:47:42,214 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, 74#L766-2true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-20 12:47:42,215 INFO L383 tUnfolder$Statistics]: this new event has 188 ancestors and is cut-off event [2022-11-20 12:47:42,215 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-20 12:47:42,215 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-20 12:47:42,215 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-11-20 12:47:42,216 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [225#L765-7true, Black: 303#true, 101#L699-4true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-20 12:47:42,216 INFO L383 tUnfolder$Statistics]: this new event has 185 ancestors and is cut-off event [2022-11-20 12:47:42,216 INFO L386 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-11-20 12:47:42,216 INFO L386 tUnfolder$Statistics]: existing Event has 170 ancestors and is cut-off event [2022-11-20 12:47:42,216 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-20 12:47:42,216 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-20 12:47:42,217 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [Black: 303#true, 101#L699-4true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 148#L766-4true, 321#true]) [2022-11-20 12:47:42,217 INFO L383 tUnfolder$Statistics]: this new event has 190 ancestors and is cut-off event [2022-11-20 12:47:42,217 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-20 12:47:42,217 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-20 12:47:42,217 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2022-11-20 12:47:42,218 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [Black: 303#true, 101#L699-4true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 141#ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACEtrue, 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-20 12:47:42,218 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-20 12:47:42,218 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-20 12:47:42,218 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-20 12:47:42,218 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-20 12:47:42,285 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, 74#L766-2true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-20 12:47:42,285 INFO L383 tUnfolder$Statistics]: this new event has 191 ancestors and is cut-off event [2022-11-20 12:47:42,286 INFO L386 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-11-20 12:47:42,286 INFO L386 tUnfolder$Statistics]: existing Event has 126 ancestors and is cut-off event [2022-11-20 12:47:42,286 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-20 12:47:42,286 INFO L386 tUnfolder$Statistics]: existing Event has 173 ancestors and is cut-off event [2022-11-20 12:47:42,313 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, 44#L766-3true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-20 12:47:42,313 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-20 12:47:42,313 INFO L386 tUnfolder$Statistics]: existing Event has 189 ancestors and is cut-off event [2022-11-20 12:47:42,314 INFO L386 tUnfolder$Statistics]: existing Event has 127 ancestors and is cut-off event [2022-11-20 12:47:42,314 INFO L386 tUnfolder$Statistics]: existing Event has 174 ancestors and is cut-off event [2022-11-20 12:47:42,314 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-20 12:47:42,337 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [Black: 303#true, t2Thread1of1ForFork0InUse, 101#L699-4true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 148#L766-4true, 321#true]) [2022-11-20 12:47:42,338 INFO L383 tUnfolder$Statistics]: this new event has 193 ancestors and is cut-off event [2022-11-20 12:47:42,338 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-20 12:47:42,338 INFO L386 tUnfolder$Statistics]: existing Event has 175 ancestors and is cut-off event [2022-11-20 12:47:42,338 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is cut-off event [2022-11-20 12:47:42,338 INFO L386 tUnfolder$Statistics]: existing Event has 128 ancestors and is cut-off event [2022-11-20 12:47:42,368 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [51#L766-5true, Black: 303#true, t2Thread1of1ForFork0InUse, 101#L699-4true, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-20 12:47:42,369 INFO L383 tUnfolder$Statistics]: this new event has 194 ancestors and is cut-off event [2022-11-20 12:47:42,369 INFO L386 tUnfolder$Statistics]: existing Event has 129 ancestors and is cut-off event [2022-11-20 12:47:42,369 INFO L386 tUnfolder$Statistics]: existing Event has 191 ancestors and is cut-off event [2022-11-20 12:47:42,369 INFO L386 tUnfolder$Statistics]: existing Event has 176 ancestors and is cut-off event [2022-11-20 12:47:42,369 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-20 12:47:42,406 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 141#ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACEtrue, 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 321#true]) [2022-11-20 12:47:42,406 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-11-20 12:47:42,406 INFO L386 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event [2022-11-20 12:47:42,406 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-20 12:47:42,406 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-20 12:47:42,407 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-20 12:47:42,407 INFO L381 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([826] L699-3-->L699-4: Formula: (= (store |v_#race_26| |v_~#buffer~0.base_8| (store (select |v_#race_26| |v_~#buffer~0.base_8|) (+ |v_~#buffer~0.offset_7| (let ((.cse0 (mod (+ 4294967295 v_~first~0_7) 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) 0)) |v_#race_25|) InVars {#race=|v_#race_26|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} OutVars{#race=|v_#race_25|, ~#buffer~0.offset=|v_~#buffer~0.offset_7|, ~first~0=v_~first~0_7, ~#buffer~0.base=|v_~#buffer~0.base_8|} AuxVars[] AssignedVars[#race][240], [101#L699-4true, Black: 303#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 245#L766-6true, 321#true]) [2022-11-20 12:47:42,408 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-11-20 12:47:42,408 INFO L386 tUnfolder$Statistics]: existing Event has 130 ancestors and is cut-off event [2022-11-20 12:47:42,408 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-20 12:47:42,408 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-20 12:47:42,408 INFO L386 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event [2022-11-20 12:47:43,539 INFO L130 PetriNetUnfolder]: 1656/12251 cut-off events. [2022-11-20 12:47:43,539 INFO L131 PetriNetUnfolder]: For 189/443 co-relation queries the response was YES. [2022-11-20 12:47:43,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15106 conditions, 12251 events. 1656/12251 cut-off events. For 189/443 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 140856 event pairs, 276 based on Foata normal form. 68/9929 useless extension candidates. Maximal degree in co-relation 10166. Up to 1045 conditions per place. [2022-11-20 12:47:43,679 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 51 selfloop transitions, 9 changer transitions 0/310 dead transitions. [2022-11-20 12:47:43,679 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 310 transitions, 789 flow [2022-11-20 12:47:43,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:47:43,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:47:43,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1633 transitions. [2022-11-20 12:47:43,685 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9133109619686801 [2022-11-20 12:47:43,685 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1633 transitions. [2022-11-20 12:47:43,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1633 transitions. [2022-11-20 12:47:43,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:43,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1633 transitions. [2022-11-20 12:47:43,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 272.1666666666667) internal successors, (1633), 6 states have internal predecessors, (1633), 0 states have call successors, (0), 0 states 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 12:47:43,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states 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 12:47:43,697 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 298.0) internal successors, (2086), 7 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states 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 12:47:43,697 INFO L175 Difference]: Start difference. First operand has 270 places, 275 transitions, 598 flow. Second operand 6 states and 1633 transitions. [2022-11-20 12:47:43,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 310 transitions, 789 flow [2022-11-20 12:47:43,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 310 transitions, 781 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:47:43,710 INFO L231 Difference]: Finished difference. Result has 278 places, 283 transitions, 654 flow [2022-11-20 12:47:43,711 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=654, PETRI_PLACES=278, PETRI_TRANSITIONS=283} [2022-11-20 12:47:43,714 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -2 predicate places. [2022-11-20 12:47:43,715 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 283 transitions, 654 flow [2022-11-20 12:47:43,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states 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 12:47:43,716 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:43,716 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] [2022-11-20 12:47:43,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:47:43,717 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:43,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:43,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1925551866, now seen corresponding path program 1 times [2022-11-20 12:47:43,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:43,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491622052] [2022-11-20 12:47:43,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:43,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:47:43,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:43,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491622052] [2022-11-20 12:47:43,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491622052] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:43,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:43,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:43,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177971723] [2022-11-20 12:47:43,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:43,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:43,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:43,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:43,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:43,788 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 298 [2022-11-20 12:47:43,790 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 283 transitions, 654 flow. Second operand has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 12:47:43,790 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:43,790 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 298 [2022-11-20 12:47:43,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:45,862 INFO L130 PetriNetUnfolder]: 868/11048 cut-off events. [2022-11-20 12:47:45,862 INFO L131 PetriNetUnfolder]: For 121/154 co-relation queries the response was YES. [2022-11-20 12:47:45,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12785 conditions, 11048 events. 868/11048 cut-off events. For 121/154 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 132766 event pairs, 160 based on Foata normal form. 0/9106 useless extension candidates. Maximal degree in co-relation 11536. Up to 492 conditions per place. [2022-11-20 12:47:45,942 INFO L137 encePairwiseOnDemand]: 293/298 looper letters, 17 selfloop transitions, 4 changer transitions 0/290 dead transitions. [2022-11-20 12:47:45,942 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 290 transitions, 711 flow [2022-11-20 12:47:45,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:45,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:47:45,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 844 transitions. [2022-11-20 12:47:45,945 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9440715883668904 [2022-11-20 12:47:45,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 844 transitions. [2022-11-20 12:47:45,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 844 transitions. [2022-11-20 12:47:45,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:45,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 844 transitions. [2022-11-20 12:47:45,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states 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 12:47:45,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:45,950 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:45,951 INFO L175 Difference]: Start difference. First operand has 278 places, 283 transitions, 654 flow. Second operand 3 states and 844 transitions. [2022-11-20 12:47:45,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 290 transitions, 711 flow [2022-11-20 12:47:45,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 290 transitions, 711 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 12:47:45,957 INFO L231 Difference]: Finished difference. Result has 282 places, 287 transitions, 688 flow [2022-11-20 12:47:45,958 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=688, PETRI_PLACES=282, PETRI_TRANSITIONS=287} [2022-11-20 12:47:45,959 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 2 predicate places. [2022-11-20 12:47:45,959 INFO L495 AbstractCegarLoop]: Abstraction has has 282 places, 287 transitions, 688 flow [2022-11-20 12:47:45,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 12:47:45,960 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:45,960 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] [2022-11-20 12:47:45,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 12:47:45,960 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:45,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:45,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1592472893, now seen corresponding path program 1 times [2022-11-20 12:47:45,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:45,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967871427] [2022-11-20 12:47:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:45,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:46,009 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 12:47:46,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:46,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967871427] [2022-11-20 12:47:46,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967871427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:46,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:46,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:46,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592853154] [2022-11-20 12:47:46,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:46,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:46,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:46,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:46,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:46,013 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 298 [2022-11-20 12:47:46,014 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 287 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states 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 12:47:46,014 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:46,014 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 298 [2022-11-20 12:47:46,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:48,601 INFO L130 PetriNetUnfolder]: 1225/15406 cut-off events. [2022-11-20 12:47:48,602 INFO L131 PetriNetUnfolder]: For 304/331 co-relation queries the response was YES. [2022-11-20 12:47:48,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18341 conditions, 15406 events. 1225/15406 cut-off events. For 304/331 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 192140 event pairs, 417 based on Foata normal form. 0/12934 useless extension candidates. Maximal degree in co-relation 18100. Up to 1071 conditions per place. [2022-11-20 12:47:48,704 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 17 selfloop transitions, 2 changer transitions 0/286 dead transitions. [2022-11-20 12:47:48,704 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 286 transitions, 727 flow [2022-11-20 12:47:48,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:48,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:47:48,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 828 transitions. [2022-11-20 12:47:48,707 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9261744966442953 [2022-11-20 12:47:48,707 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 828 transitions. [2022-11-20 12:47:48,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 828 transitions. [2022-11-20 12:47:48,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:48,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 828 transitions. [2022-11-20 12:47:48,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.0) internal successors, (828), 3 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 12:47:48,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:48,714 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:48,715 INFO L175 Difference]: Start difference. First operand has 282 places, 287 transitions, 688 flow. Second operand 3 states and 828 transitions. [2022-11-20 12:47:48,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 286 transitions, 727 flow [2022-11-20 12:47:48,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 286 transitions, 719 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:47:48,724 INFO L231 Difference]: Finished difference. Result has 278 places, 284 transitions, 684 flow [2022-11-20 12:47:48,725 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=278, PETRI_TRANSITIONS=284} [2022-11-20 12:47:48,726 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -2 predicate places. [2022-11-20 12:47:48,727 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 284 transitions, 684 flow [2022-11-20 12:47:48,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states 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 12:47:48,727 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:48,728 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] [2022-11-20 12:47:48,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 12:47:48,728 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:48,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:48,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1271862202, now seen corresponding path program 1 times [2022-11-20 12:47:48,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:48,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318616733] [2022-11-20 12:47:48,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:48,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:48,804 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 12:47:48,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:48,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318616733] [2022-11-20 12:47:48,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318616733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:48,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:48,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:47:48,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970200203] [2022-11-20 12:47:48,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:48,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:48,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:48,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:48,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:48,808 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2022-11-20 12:47:48,809 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 284 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states 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 12:47:48,809 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:48,809 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2022-11-20 12:47:48,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:51,728 INFO L130 PetriNetUnfolder]: 1396/16208 cut-off events. [2022-11-20 12:47:51,728 INFO L131 PetriNetUnfolder]: For 279/319 co-relation queries the response was YES. [2022-11-20 12:47:51,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19655 conditions, 16208 events. 1396/16208 cut-off events. For 279/319 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 205470 event pairs, 219 based on Foata normal form. 0/13778 useless extension candidates. Maximal degree in co-relation 19559. Up to 809 conditions per place. [2022-11-20 12:47:51,852 INFO L137 encePairwiseOnDemand]: 291/298 looper letters, 13 selfloop transitions, 4 changer transitions 0/284 dead transitions. [2022-11-20 12:47:51,852 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 284 transitions, 719 flow [2022-11-20 12:47:51,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:51,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:47:51,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 833 transitions. [2022-11-20 12:47:51,855 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9317673378076062 [2022-11-20 12:47:51,855 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 833 transitions. [2022-11-20 12:47:51,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 833 transitions. [2022-11-20 12:47:51,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:51,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 833 transitions. [2022-11-20 12:47:51,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.6666666666667) internal successors, (833), 3 states have internal predecessors, (833), 0 states have call successors, (0), 0 states 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 12:47:51,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:51,861 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:51,862 INFO L175 Difference]: Start difference. First operand has 278 places, 284 transitions, 684 flow. Second operand 3 states and 833 transitions. [2022-11-20 12:47:51,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 284 transitions, 719 flow [2022-11-20 12:47:51,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 284 transitions, 719 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 12:47:51,870 INFO L231 Difference]: Finished difference. Result has 278 places, 283 transitions, 698 flow [2022-11-20 12:47:51,870 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=698, PETRI_PLACES=278, PETRI_TRANSITIONS=283} [2022-11-20 12:47:51,871 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, -2 predicate places. [2022-11-20 12:47:51,871 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 283 transitions, 698 flow [2022-11-20 12:47:51,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states 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 12:47:51,872 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:51,872 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 12:47:51,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 12:47:51,872 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:51,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:51,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1756992622, now seen corresponding path program 1 times [2022-11-20 12:47:51,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:51,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49486527] [2022-11-20 12:47:51,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:51,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:51,970 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 12:47:51,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:51,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49486527] [2022-11-20 12:47:51,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49486527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:51,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:51,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:47:51,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183745975] [2022-11-20 12:47:51,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:51,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:51,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:51,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:51,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:51,974 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 298 [2022-11-20 12:47:51,975 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 283 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:47:51,975 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:51,975 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 298 [2022-11-20 12:47:51,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:55,760 INFO L130 PetriNetUnfolder]: 1818/22599 cut-off events. [2022-11-20 12:47:55,761 INFO L131 PetriNetUnfolder]: For 236/273 co-relation queries the response was YES. [2022-11-20 12:47:55,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28123 conditions, 22599 events. 1818/22599 cut-off events. For 236/273 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 306902 event pairs, 284 based on Foata normal form. 0/19223 useless extension candidates. Maximal degree in co-relation 27383. Up to 930 conditions per place. [2022-11-20 12:47:55,946 INFO L137 encePairwiseOnDemand]: 295/298 looper letters, 19 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2022-11-20 12:47:55,946 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 291 transitions, 758 flow [2022-11-20 12:47:55,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:47:55,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:47:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 850 transitions. [2022-11-20 12:47:55,955 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9507829977628636 [2022-11-20 12:47:55,955 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 850 transitions. [2022-11-20 12:47:55,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 850 transitions. [2022-11-20 12:47:55,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:47:55,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 850 transitions. [2022-11-20 12:47:55,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 283.3333333333333) internal successors, (850), 3 states have internal predecessors, (850), 0 states have call successors, (0), 0 states 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 12:47:55,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:55,968 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:47:55,969 INFO L175 Difference]: Start difference. First operand has 278 places, 283 transitions, 698 flow. Second operand 3 states and 850 transitions. [2022-11-20 12:47:55,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 291 transitions, 758 flow [2022-11-20 12:47:55,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 291 transitions, 754 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:47:55,982 INFO L231 Difference]: Finished difference. Result has 280 places, 284 transitions, 706 flow [2022-11-20 12:47:55,982 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=280, PETRI_TRANSITIONS=284} [2022-11-20 12:47:55,984 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 0 predicate places. [2022-11-20 12:47:55,984 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 284 transitions, 706 flow [2022-11-20 12:47:55,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:47:56,001 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:47:56,001 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 12:47:56,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:47:56,002 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:47:56,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:47:56,002 INFO L85 PathProgramCache]: Analyzing trace with hash 792791564, now seen corresponding path program 1 times [2022-11-20 12:47:56,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:47:56,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568817642] [2022-11-20 12:47:56,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:47:56,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:47:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:47:56,066 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 12:47:56,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:47:56,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568817642] [2022-11-20 12:47:56,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568817642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:47:56,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:47:56,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:47:56,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495742617] [2022-11-20 12:47:56,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:47:56,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:47:56,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:47:56,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:47:56,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:47:56,069 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 298 [2022-11-20 12:47:56,071 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 284 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 0 states have call successors, (0), 0 states 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 12:47:56,071 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:47:56,071 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 298 [2022-11-20 12:47:56,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:47:56,962 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([789] L696-6-->L696-7: Formula: (= |v_#race~buffer_size~0_16| 0) InVars {} OutVars{#race~buffer_size~0=|v_#race~buffer_size~0_16|} AuxVars[] AssignedVars[#race~buffer_size~0][237], [220#L696-7true, Black: 350#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 63#L764-4true, Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 198#L708-3true, 360#true, Black: 345#true, 327#true, 355#true]) [2022-11-20 12:47:56,963 INFO L383 tUnfolder$Statistics]: this new event has 165 ancestors and is cut-off event [2022-11-20 12:47:56,963 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-11-20 12:47:56,963 INFO L386 tUnfolder$Statistics]: existing Event has 160 ancestors and is cut-off event [2022-11-20 12:47:56,963 INFO L386 tUnfolder$Statistics]: existing Event has 123 ancestors and is cut-off event [2022-11-20 12:48:00,483 INFO L130 PetriNetUnfolder]: 1831/23988 cut-off events. [2022-11-20 12:48:00,483 INFO L131 PetriNetUnfolder]: For 120/158 co-relation queries the response was YES. [2022-11-20 12:48:00,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29302 conditions, 23988 events. 1831/23988 cut-off events. For 120/158 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 328159 event pairs, 297 based on Foata normal form. 0/20591 useless extension candidates. Maximal degree in co-relation 20314. Up to 892 conditions per place. [2022-11-20 12:48:00,656 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 11 selfloop transitions, 3 changer transitions 0/286 dead transitions. [2022-11-20 12:48:00,656 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 286 transitions, 740 flow [2022-11-20 12:48:00,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:48:00,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:48:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2022-11-20 12:48:00,659 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9463087248322147 [2022-11-20 12:48:00,659 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 846 transitions. [2022-11-20 12:48:00,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 846 transitions. [2022-11-20 12:48:00,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:48:00,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 846 transitions. [2022-11-20 12:48:00,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states 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 12:48:00,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:48:00,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:48:00,665 INFO L175 Difference]: Start difference. First operand has 280 places, 284 transitions, 706 flow. Second operand 3 states and 846 transitions. [2022-11-20 12:48:00,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 286 transitions, 740 flow [2022-11-20 12:48:00,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 286 transitions, 738 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:48:00,673 INFO L231 Difference]: Finished difference. Result has 283 places, 285 transitions, 722 flow [2022-11-20 12:48:00,674 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=283, PETRI_TRANSITIONS=285} [2022-11-20 12:48:00,675 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 3 predicate places. [2022-11-20 12:48:00,675 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 285 transitions, 722 flow [2022-11-20 12:48:00,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.0) internal successors, (837), 3 states have internal predecessors, (837), 0 states have call successors, (0), 0 states 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 12:48:00,676 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:48:00,676 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:48:00,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 12:48:00,676 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:48:00,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:00,677 INFO L85 PathProgramCache]: Analyzing trace with hash -74491279, now seen corresponding path program 1 times [2022-11-20 12:48:00,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:48:00,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891019695] [2022-11-20 12:48:00,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:48:00,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:48:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:48:00,736 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 12:48:00,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:48:00,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891019695] [2022-11-20 12:48:00,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891019695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:48:00,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:48:00,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:48:00,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460524680] [2022-11-20 12:48:00,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:48:00,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:48:00,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:48:00,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:48:00,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:48:00,740 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 280 out of 298 [2022-11-20 12:48:00,741 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 285 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states 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 12:48:00,741 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:48:00,741 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 280 of 298 [2022-11-20 12:48:00,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:48:08,402 INFO L130 PetriNetUnfolder]: 4625/48130 cut-off events. [2022-11-20 12:48:08,402 INFO L131 PetriNetUnfolder]: For 614/705 co-relation queries the response was YES. [2022-11-20 12:48:08,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61116 conditions, 48130 events. 4625/48130 cut-off events. For 614/705 co-relation queries the response was YES. Maximal size of possible extension queue 884. Compared 758127 event pairs, 730 based on Foata normal form. 0/41639 useless extension candidates. Maximal degree in co-relation 51836. Up to 1766 conditions per place. [2022-11-20 12:48:08,742 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 12 selfloop transitions, 3 changer transitions 0/291 dead transitions. [2022-11-20 12:48:08,742 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 291 transitions, 765 flow [2022-11-20 12:48:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:48:08,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:48:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions. [2022-11-20 12:48:08,745 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9574944071588367 [2022-11-20 12:48:08,745 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 856 transitions. [2022-11-20 12:48:08,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 856 transitions. [2022-11-20 12:48:08,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:48:08,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 856 transitions. [2022-11-20 12:48:08,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 states 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 12:48:08,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:48:08,751 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:48:08,751 INFO L175 Difference]: Start difference. First operand has 283 places, 285 transitions, 722 flow. Second operand 3 states and 856 transitions. [2022-11-20 12:48:08,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 291 transitions, 765 flow [2022-11-20 12:48:08,795 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 291 transitions, 759 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:48:08,798 INFO L231 Difference]: Finished difference. Result has 285 places, 288 transitions, 742 flow [2022-11-20 12:48:08,799 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=285, PETRI_TRANSITIONS=288} [2022-11-20 12:48:08,800 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 5 predicate places. [2022-11-20 12:48:08,800 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 288 transitions, 742 flow [2022-11-20 12:48:08,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 281.3333333333333) internal successors, (844), 3 states have internal predecessors, (844), 0 states have call successors, (0), 0 states 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 12:48:08,800 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:48:08,801 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 12:48:08,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 12:48:08,801 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t2Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:48:08,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:08,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1133295446, now seen corresponding path program 1 times [2022-11-20 12:48:08,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:48:08,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143351845] [2022-11-20 12:48:08,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:48:08,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:48:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:48:08,852 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 12:48:08,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:48:08,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143351845] [2022-11-20 12:48:08,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143351845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:48:08,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:48:08,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:48:08,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218508904] [2022-11-20 12:48:08,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:48:08,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:48:08,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:48:08,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:48:08,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:48:08,855 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 277 out of 298 [2022-11-20 12:48:08,856 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 288 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states 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 12:48:08,856 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:48:08,856 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 277 of 298 [2022-11-20 12:48:08,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:48:15,658 INFO L130 PetriNetUnfolder]: 3825/42619 cut-off events. [2022-11-20 12:48:15,658 INFO L131 PetriNetUnfolder]: For 1139/1225 co-relation queries the response was YES. [2022-11-20 12:48:15,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56813 conditions, 42619 events. 3825/42619 cut-off events. For 1139/1225 co-relation queries the response was YES. Maximal size of possible extension queue 794. Compared 668250 event pairs, 760 based on Foata normal form. 0/37208 useless extension candidates. Maximal degree in co-relation 56714. Up to 2540 conditions per place. [2022-11-20 12:48:16,023 INFO L137 encePairwiseOnDemand]: 294/298 looper letters, 11 selfloop transitions, 3 changer transitions 0/289 dead transitions. [2022-11-20 12:48:16,023 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 289 transitions, 771 flow [2022-11-20 12:48:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:48:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:48:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 846 transitions. [2022-11-20 12:48:16,025 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9463087248322147 [2022-11-20 12:48:16,025 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 846 transitions. [2022-11-20 12:48:16,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 846 transitions. [2022-11-20 12:48:16,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:48:16,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 846 transitions. [2022-11-20 12:48:16,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states 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 12:48:16,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:48:16,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 298.0) internal successors, (1192), 4 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states 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 12:48:16,030 INFO L175 Difference]: Start difference. First operand has 285 places, 288 transitions, 742 flow. Second operand 3 states and 846 transitions. [2022-11-20 12:48:16,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 289 transitions, 771 flow [2022-11-20 12:48:16,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 289 transitions, 763 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-11-20 12:48:16,067 INFO L231 Difference]: Finished difference. Result has 287 places, 288 transitions, 748 flow [2022-11-20 12:48:16,067 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=298, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=748, PETRI_PLACES=287, PETRI_TRANSITIONS=288} [2022-11-20 12:48:16,068 INFO L288 CegarLoopForPetriNet]: 280 programPoint places, 7 predicate places. [2022-11-20 12:48:16,068 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 288 transitions, 748 flow [2022-11-20 12:48:16,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 279.3333333333333) internal successors, (838), 3 states have internal predecessors, (838), 0 states have call successors, (0), 0 states 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 12:48:16,069 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:48:16,069 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 12:48:16,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 12:48:16,069 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-20 12:48:16,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:48:16,070 INFO L85 PathProgramCache]: Analyzing trace with hash 441405150, now seen corresponding path program 1 times [2022-11-20 12:48:16,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:48:16,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194313032] [2022-11-20 12:48:16,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:48:16,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:48:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:48:16,487 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 12:48:16,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:48:16,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194313032] [2022-11-20 12:48:16,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194313032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:48:16,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:48:16,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:48:16,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214648935] [2022-11-20 12:48:16,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:48:16,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:48:16,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:48:16,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:48:16,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:48:16,493 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 298 [2022-11-20 12:48:16,494 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 288 transitions, 748 flow. Second operand has 3 states, 3 states have (on average 257.0) internal successors, (771), 3 states have internal predecessors, (771), 0 states have call successors, (0), 0 states 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 12:48:16,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:48:16,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 298 [2022-11-20 12:48:16,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:48:18,510 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([764] L746-->L746-1: Formula: (= |v_#race~receive~0_7| 0) InVars {} OutVars{#race~receive~0=|v_#race~receive~0_7|} AuxVars[] AssignedVars[#race~receive~0][109], [350#true, t2Thread1of1ForFork0InUse, 378#true, Black: 323#(= |#race~send~0| 0), 63#L764-4true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 260#L746-1true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 106#L734-3true, Black: 368#(= |#race~value~0| 0), Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true, 327#true]) [2022-11-20 12:48:18,511 INFO L383 tUnfolder$Statistics]: this new event has 162 ancestors and is cut-off event [2022-11-20 12:48:18,511 INFO L386 tUnfolder$Statistics]: existing Event has 149 ancestors and is cut-off event [2022-11-20 12:48:18,511 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-20 12:48:18,511 INFO L386 tUnfolder$Statistics]: existing Event has 125 ancestors and is cut-off event [2022-11-20 12:48:19,212 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([764] L746-->L746-1: Formula: (= |v_#race~receive~0_7| 0) InVars {} OutVars{#race~receive~0=|v_#race~receive~0_7|} AuxVars[] AssignedVars[#race~receive~0][109], [350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 323#(= |#race~send~0| 0), Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 63#L764-4true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 260#L746-1true, Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 368#(= |#race~value~0| 0), 106#L734-3true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true, 327#true]) [2022-11-20 12:48:19,212 INFO L383 tUnfolder$Statistics]: this new event has 172 ancestors and is cut-off event [2022-11-20 12:48:19,212 INFO L386 tUnfolder$Statistics]: existing Event has 135 ancestors and is cut-off event [2022-11-20 12:48:19,212 INFO L386 tUnfolder$Statistics]: existing Event has 159 ancestors and is cut-off event [2022-11-20 12:48:19,212 INFO L386 tUnfolder$Statistics]: existing Event has 145 ancestors and is cut-off event [2022-11-20 12:48:24,258 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 16#L748-6true, 166#L765-2true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-20 12:48:24,258 INFO L383 tUnfolder$Statistics]: this new event has 192 ancestors and is cut-off event [2022-11-20 12:48:24,258 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-20 12:48:24,258 INFO L386 tUnfolder$Statistics]: existing Event has 177 ancestors and is cut-off event [2022-11-20 12:48:24,258 INFO L386 tUnfolder$Statistics]: existing Event has 155 ancestors and is cut-off event [2022-11-20 12:48:24,555 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, t2Thread1of1ForFork0InUse, 378#true, Black: 321#true, 16#L748-6true, 191#L765-3true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true, 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0))]) [2022-11-20 12:48:24,555 INFO L383 tUnfolder$Statistics]: this new event has 193 ancestors and is cut-off event [2022-11-20 12:48:24,556 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-20 12:48:24,556 INFO L386 tUnfolder$Statistics]: existing Event has 156 ancestors and is cut-off event [2022-11-20 12:48:24,556 INFO L386 tUnfolder$Statistics]: existing Event has 178 ancestors and is cut-off event [2022-11-20 12:48:24,867 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, 72#L765-4true, Black: 350#true, t2Thread1of1ForFork0InUse, 378#true, Black: 321#true, 16#L748-6true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-20 12:48:24,868 INFO L383 tUnfolder$Statistics]: this new event has 194 ancestors and is cut-off event [2022-11-20 12:48:24,868 INFO L386 tUnfolder$Statistics]: existing Event has 181 ancestors and is cut-off event [2022-11-20 12:48:24,868 INFO L386 tUnfolder$Statistics]: existing Event has 179 ancestors and is cut-off event [2022-11-20 12:48:24,868 INFO L386 tUnfolder$Statistics]: existing Event has 157 ancestors and is cut-off event [2022-11-20 12:48:25,174 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 16#L748-6true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, 27#L765-5true, Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 345#true]) [2022-11-20 12:48:25,174 INFO L383 tUnfolder$Statistics]: this new event has 195 ancestors and is cut-off event [2022-11-20 12:48:25,174 INFO L386 tUnfolder$Statistics]: existing Event has 180 ancestors and is cut-off event [2022-11-20 12:48:25,174 INFO L386 tUnfolder$Statistics]: existing Event has 158 ancestors and is cut-off event [2022-11-20 12:48:25,174 INFO L386 tUnfolder$Statistics]: existing Event has 182 ancestors and is cut-off event [2022-11-20 12:48:27,374 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 16#L748-6true, 166#L765-2true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true]) [2022-11-20 12:48:27,374 INFO L383 tUnfolder$Statistics]: this new event has 202 ancestors and is cut-off event [2022-11-20 12:48:27,374 INFO L386 tUnfolder$Statistics]: existing Event has 165 ancestors and is cut-off event [2022-11-20 12:48:27,374 INFO L386 tUnfolder$Statistics]: existing Event has 189 ancestors and is cut-off event [2022-11-20 12:48:27,374 INFO L386 tUnfolder$Statistics]: existing Event has 187 ancestors and is cut-off event [2022-11-20 12:48:28,031 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 16#L748-6true, 191#L765-3true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 303#true, Black: 366#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 345#true]) [2022-11-20 12:48:28,031 INFO L383 tUnfolder$Statistics]: this new event has 203 ancestors and is cut-off event [2022-11-20 12:48:28,031 INFO L386 tUnfolder$Statistics]: existing Event has 188 ancestors and is cut-off event [2022-11-20 12:48:28,031 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is cut-off event [2022-11-20 12:48:28,031 INFO L386 tUnfolder$Statistics]: existing Event has 166 ancestors and is cut-off event [2022-11-20 12:48:28,331 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, 72#L765-4true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), 16#L748-6true, Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true]) [2022-11-20 12:48:28,331 INFO L383 tUnfolder$Statistics]: this new event has 204 ancestors and is cut-off event [2022-11-20 12:48:28,331 INFO L386 tUnfolder$Statistics]: existing Event has 167 ancestors and is cut-off event [2022-11-20 12:48:28,331 INFO L386 tUnfolder$Statistics]: existing Event has 189 ancestors and is cut-off event [2022-11-20 12:48:28,331 INFO L386 tUnfolder$Statistics]: existing Event has 191 ancestors and is cut-off event [2022-11-20 12:48:28,636 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([803] L748-5-->L748-6: Formula: (= |v_#race~value~0_4| 0) InVars {} OutVars{#race~value~0=|v_#race~value~0_4|} AuxVars[] AssignedVars[#race~value~0][175], [75#L732-2true, Black: 350#true, 378#true, t2Thread1of1ForFork0InUse, Black: 321#true, 16#L748-6true, Black: 357#(= |t1Thread1of1ForFork1_~i~0#1| 0), Black: 362#(not |t1Thread1of1ForFork1_insertLogElement_#t~short8#1|), Black: 329#(= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0), Black: 330#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 331#(and (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 327#true, 27#L765-5true, Black: 366#true, Black: 303#true, 347#(= |#race~buffer_size~0| 0), 332#(and (= 0 (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#id1~0#1.offset|))) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) |ULTIMATE.start_main_~#id1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#id1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#id1~0#1.base|) (+ |ULTIMATE.start_main_~#id1~0#1.offset| 1)) 0)), Black: 339#true, 372#true, Black: 374#(not |t2Thread1of1ForFork0_removeLogElement_#t~short4#1|), Black: 345#true]) [2022-11-20 12:48:28,636 INFO L383 tUnfolder$Statistics]: this new event has 205 ancestors and is cut-off event [2022-11-20 12:48:28,636 INFO L386 tUnfolder$Statistics]: existing Event has 190 ancestors and is cut-off event [2022-11-20 12:48:28,636 INFO L386 tUnfolder$Statistics]: existing Event has 168 ancestors and is cut-off event [2022-11-20 12:48:28,636 INFO L386 tUnfolder$Statistics]: existing Event has 192 ancestors and is cut-off event