./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/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 adac70a9b891a5462c4bee71a2751021c9d437d73a002d25ad244a8f2ad465c8 --- 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 10:30:01,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:01,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:01,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:01,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:01,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:01,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:01,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:01,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:01,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:01,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:01,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:01,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:01,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:01,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:01,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:01,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:01,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:01,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:02,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:02,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:02,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:02,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:02,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:02,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:02,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:02,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:02,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:02,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:02,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:02,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:02,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:02,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:02,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:02,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:02,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:02,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:02,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:02,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:02,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:02,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:02,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 10:30:02,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:02,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:02,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:02,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:02,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:02,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:02,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:02,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:02,099 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:02,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:02,100 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:30:02,101 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:30:02,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:30:02,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:30:02,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:02,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:02,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:02,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:02,103 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 10:30:02,104 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:30:02,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:02,104 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:02,104 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:02,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:02,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:02,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:02,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:02,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:02,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:02,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:02,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:30:02,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:30:02,108 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:02,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:02,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:02,109 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adac70a9b891a5462c4bee71a2751021c9d437d73a002d25ad244a8f2ad465c8 [2022-11-20 10:30:02,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:02,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:02,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:02,483 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:02,484 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:02,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2022-11-20 10:30:05,445 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:05,727 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:05,728 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2022-11-20 10:30:05,742 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/bin/uautomizer-ug76WZFUDN/data/27721394d/c8f49efad52043408c672797040d4ba9/FLAG21b6d7ef8 [2022-11-20 10:30:05,757 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/bin/uautomizer-ug76WZFUDN/data/27721394d/c8f49efad52043408c672797040d4ba9 [2022-11-20 10:30:05,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:05,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:05,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:05,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:05,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:05,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:05" (1/1) ... [2022-11-20 10:30:05,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7301c316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:05, skipping insertion in model container [2022-11-20 10:30:05,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:05" (1/1) ... [2022-11-20 10:30:05,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:05,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:06,215 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30435,30448] [2022-11-20 10:30:06,219 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30785,30798] [2022-11-20 10:30:06,222 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30975,30988] [2022-11-20 10:30:06,224 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31167,31180] [2022-11-20 10:30:06,228 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31508,31521] [2022-11-20 10:30:06,230 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31698,31711] [2022-11-20 10:30:06,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:06,248 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:30:06,285 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30435,30448] [2022-11-20 10:30:06,287 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30785,30798] [2022-11-20 10:30:06,289 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[30975,30988] [2022-11-20 10:30:06,290 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31167,31180] [2022-11-20 10:30:06,293 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31508,31521] [2022-11-20 10:30:06,295 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_e3efc8b2-3516-4c92-9381-ab4d69942b9d/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i[31698,31711] [2022-11-20 10:30:06,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:06,346 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:30:06,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06 WrapperNode [2022-11-20 10:30:06,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:06,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:06,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:30:06,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:30:06,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,452 INFO L138 Inliner]: procedures = 176, calls = 35, calls flagged for inlining = 27, calls inlined = 41, statements flattened = 374 [2022-11-20 10:30:06,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:06,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:30:06,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:30:06,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:30:06,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,525 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:30:06,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:30:06,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:30:06,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:30:06,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:06,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:06,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:06,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efc8b2-3516-4c92-9381-ab4d69942b9d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:30:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 10:30:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 10:30:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:30:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:30:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:30:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:30:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:30:06,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:30:06,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:30:06,647 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 10:30:06,872 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:30:06,874 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:30:07,523 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:30:07,849 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:30:07,850 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:30:07,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:07 BoogieIcfgContainer [2022-11-20 10:30:07,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:30:07,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:30:07,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:30:07,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:30:07,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:05" (1/3) ... [2022-11-20 10:30:07,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1acb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:07, skipping insertion in model container [2022-11-20 10:30:07,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (2/3) ... [2022-11-20 10:30:07,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1acb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:30:07, skipping insertion in model container [2022-11-20 10:30:07,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:07" (3/3) ... [2022-11-20 10:30:07,865 INFO L112 eAbstractionObserver]: Analyzing ICFG 42_FreeBSD_rdma_addr_sliced.i [2022-11-20 10:30:07,876 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:30:07,889 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:30:07,890 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2022-11-20 10:30:07,890 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:30:07,989 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:30:08,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 232 places, 254 transitions, 513 flow [2022-11-20 10:30:08,187 INFO L130 PetriNetUnfolder]: 26/265 cut-off events. [2022-11-20 10:30:08,188 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:30:08,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 265 events. 26/265 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 820 event pairs, 0 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 236. Up to 6 conditions per place. [2022-11-20 10:30:08,199 INFO L82 GeneralOperation]: Start removeDead. Operand has 232 places, 254 transitions, 513 flow [2022-11-20 10:30:08,206 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 232 places, 254 transitions, 513 flow [2022-11-20 10:30:08,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:30:08,223 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;@2d97e84e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:30:08,223 INFO L358 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2022-11-20 10:30:08,233 INFO L130 PetriNetUnfolder]: 3/54 cut-off events. [2022-11-20 10:30:08,233 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:30:08,233 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:08,234 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:08,235 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-11-20 10:30:08,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,241 INFO L85 PathProgramCache]: Analyzing trace with hash -394731337, now seen corresponding path program 1 times [2022-11-20 10:30:08,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793594912] [2022-11-20 10:30:08,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:08,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:08,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:08,458 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:30:08,460 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 101 remaining) [2022-11-20 10:30:08,464 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (99 of 101 remaining) [2022-11-20 10:30:08,464 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (98 of 101 remaining) [2022-11-20 10:30:08,465 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (97 of 101 remaining) [2022-11-20 10:30:08,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (96 of 101 remaining) [2022-11-20 10:30:08,467 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (95 of 101 remaining) [2022-11-20 10:30:08,468 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (94 of 101 remaining) [2022-11-20 10:30:08,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (93 of 101 remaining) [2022-11-20 10:30:08,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (92 of 101 remaining) [2022-11-20 10:30:08,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (91 of 101 remaining) [2022-11-20 10:30:08,469 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (90 of 101 remaining) [2022-11-20 10:30:08,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (89 of 101 remaining) [2022-11-20 10:30:08,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (88 of 101 remaining) [2022-11-20 10:30:08,470 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (87 of 101 remaining) [2022-11-20 10:30:08,471 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (86 of 101 remaining) [2022-11-20 10:30:08,471 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (85 of 101 remaining) [2022-11-20 10:30:08,471 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (84 of 101 remaining) [2022-11-20 10:30:08,472 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (83 of 101 remaining) [2022-11-20 10:30:08,472 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (82 of 101 remaining) [2022-11-20 10:30:08,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (81 of 101 remaining) [2022-11-20 10:30:08,473 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (80 of 101 remaining) [2022-11-20 10:30:08,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (79 of 101 remaining) [2022-11-20 10:30:08,475 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (78 of 101 remaining) [2022-11-20 10:30:08,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (77 of 101 remaining) [2022-11-20 10:30:08,476 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (76 of 101 remaining) [2022-11-20 10:30:08,477 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (75 of 101 remaining) [2022-11-20 10:30:08,477 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (74 of 101 remaining) [2022-11-20 10:30:08,477 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (73 of 101 remaining) [2022-11-20 10:30:08,477 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 101 remaining) [2022-11-20 10:30:08,478 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (71 of 101 remaining) [2022-11-20 10:30:08,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (70 of 101 remaining) [2022-11-20 10:30:08,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (69 of 101 remaining) [2022-11-20 10:30:08,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (68 of 101 remaining) [2022-11-20 10:30:08,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (67 of 101 remaining) [2022-11-20 10:30:08,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (66 of 101 remaining) [2022-11-20 10:30:08,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (65 of 101 remaining) [2022-11-20 10:30:08,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (64 of 101 remaining) [2022-11-20 10:30:08,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (63 of 101 remaining) [2022-11-20 10:30:08,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (62 of 101 remaining) [2022-11-20 10:30:08,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 101 remaining) [2022-11-20 10:30:08,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (60 of 101 remaining) [2022-11-20 10:30:08,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 101 remaining) [2022-11-20 10:30:08,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (58 of 101 remaining) [2022-11-20 10:30:08,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (57 of 101 remaining) [2022-11-20 10:30:08,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (56 of 101 remaining) [2022-11-20 10:30:08,490 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (55 of 101 remaining) [2022-11-20 10:30:08,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (54 of 101 remaining) [2022-11-20 10:30:08,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (53 of 101 remaining) [2022-11-20 10:30:08,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (52 of 101 remaining) [2022-11-20 10:30:08,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (51 of 101 remaining) [2022-11-20 10:30:08,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (50 of 101 remaining) [2022-11-20 10:30:08,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (49 of 101 remaining) [2022-11-20 10:30:08,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (48 of 101 remaining) [2022-11-20 10:30:08,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (47 of 101 remaining) [2022-11-20 10:30:08,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (46 of 101 remaining) [2022-11-20 10:30:08,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (45 of 101 remaining) [2022-11-20 10:30:08,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (44 of 101 remaining) [2022-11-20 10:30:08,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (43 of 101 remaining) [2022-11-20 10:30:08,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (42 of 101 remaining) [2022-11-20 10:30:08,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (41 of 101 remaining) [2022-11-20 10:30:08,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (40 of 101 remaining) [2022-11-20 10:30:08,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 101 remaining) [2022-11-20 10:30:08,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 101 remaining) [2022-11-20 10:30:08,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (37 of 101 remaining) [2022-11-20 10:30:08,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (36 of 101 remaining) [2022-11-20 10:30:08,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (35 of 101 remaining) [2022-11-20 10:30:08,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (34 of 101 remaining) [2022-11-20 10:30:08,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (33 of 101 remaining) [2022-11-20 10:30:08,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (32 of 101 remaining) [2022-11-20 10:30:08,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (31 of 101 remaining) [2022-11-20 10:30:08,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (30 of 101 remaining) [2022-11-20 10:30:08,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (29 of 101 remaining) [2022-11-20 10:30:08,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (28 of 101 remaining) [2022-11-20 10:30:08,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (27 of 101 remaining) [2022-11-20 10:30:08,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (26 of 101 remaining) [2022-11-20 10:30:08,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 101 remaining) [2022-11-20 10:30:08,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 101 remaining) [2022-11-20 10:30:08,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (23 of 101 remaining) [2022-11-20 10:30:08,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (22 of 101 remaining) [2022-11-20 10:30:08,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 101 remaining) [2022-11-20 10:30:08,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (20 of 101 remaining) [2022-11-20 10:30:08,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (19 of 101 remaining) [2022-11-20 10:30:08,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (18 of 101 remaining) [2022-11-20 10:30:08,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (17 of 101 remaining) [2022-11-20 10:30:08,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (16 of 101 remaining) [2022-11-20 10:30:08,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (15 of 101 remaining) [2022-11-20 10:30:08,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 101 remaining) [2022-11-20 10:30:08,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (13 of 101 remaining) [2022-11-20 10:30:08,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (12 of 101 remaining) [2022-11-20 10:30:08,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 101 remaining) [2022-11-20 10:30:08,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (10 of 101 remaining) [2022-11-20 10:30:08,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (9 of 101 remaining) [2022-11-20 10:30:08,521 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (8 of 101 remaining) [2022-11-20 10:30:08,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 101 remaining) [2022-11-20 10:30:08,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (6 of 101 remaining) [2022-11-20 10:30:08,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (5 of 101 remaining) [2022-11-20 10:30:08,522 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (4 of 101 remaining) [2022-11-20 10:30:08,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (3 of 101 remaining) [2022-11-20 10:30:08,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (2 of 101 remaining) [2022-11-20 10:30:08,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (1 of 101 remaining) [2022-11-20 10:30:08,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (0 of 101 remaining) [2022-11-20 10:30:08,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:30:08,524 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 10:30:08,528 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-20 10:30:08,528 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-20 10:30:08,617 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:30:08,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 434 places, 478 transitions, 968 flow [2022-11-20 10:30:08,838 INFO L130 PetriNetUnfolder]: 51/502 cut-off events. [2022-11-20 10:30:08,838 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-20 10:30:08,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 512 conditions, 502 events. 51/502 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2377 event pairs, 0 based on Foata normal form. 0/348 useless extension candidates. Maximal degree in co-relation 459. Up to 6 conditions per place. [2022-11-20 10:30:08,857 INFO L82 GeneralOperation]: Start removeDead. Operand has 434 places, 478 transitions, 968 flow [2022-11-20 10:30:08,872 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 434 places, 478 transitions, 968 flow [2022-11-20 10:30:08,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:30:08,875 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;@2d97e84e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:30:08,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 151 error locations. [2022-11-20 10:30:08,883 INFO L130 PetriNetUnfolder]: 4/66 cut-off events. [2022-11-20 10:30:08,883 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 10:30:08,883 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:08,883 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:08,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err21ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2022-11-20 10:30:08,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1986668412, now seen corresponding path program 1 times [2022-11-20 10:30:08,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967506246] [2022-11-20 10:30:08,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,985 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 10:30:08,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:08,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967506246] [2022-11-20 10:30:08,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967506246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:08,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:08,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 10:30:08,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698312443] [2022-11-20 10:30:08,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:08,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 10:30:08,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:09,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:30:09,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:30:09,044 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 478 [2022-11-20 10:30:09,051 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 478 transitions, 968 flow. Second operand has 2 states, 2 states have (on average 337.0) internal successors, (674), 2 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:09,051 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:09,052 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 478 [2022-11-20 10:30:09,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:09,895 INFO L130 PetriNetUnfolder]: 527/3690 cut-off events. [2022-11-20 10:30:09,895 INFO L131 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2022-11-20 10:30:09,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4429 conditions, 3690 events. 527/3690 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 34512 event pairs, 238 based on Foata normal form. 774/3807 useless extension candidates. Maximal degree in co-relation 884. Up to 659 conditions per place. [2022-11-20 10:30:09,933 INFO L137 encePairwiseOnDemand]: 382/478 looper letters, 34 selfloop transitions, 0 changer transitions 0/361 dead transitions. [2022-11-20 10:30:09,933 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 361 transitions, 802 flow [2022-11-20 10:30:09,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 10:30:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-20 10:30:09,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 802 transitions. [2022-11-20 10:30:09,957 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8389121338912134 [2022-11-20 10:30:09,958 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 802 transitions. [2022-11-20 10:30:09,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 802 transitions. [2022-11-20 10:30:09,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:09,965 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 802 transitions. [2022-11-20 10:30:09,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 401.0) internal successors, (802), 2 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:09,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 478.0) internal successors, (1434), 3 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:09,981 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 478.0) internal successors, (1434), 3 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:09,983 INFO L175 Difference]: Start difference. First operand has 434 places, 478 transitions, 968 flow. Second operand 2 states and 802 transitions. [2022-11-20 10:30:09,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 361 transitions, 802 flow [2022-11-20 10:30:09,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 361 transitions, 800 flow, removed 1 selfloop flow, removed 0 redundant places. [2022-11-20 10:30:10,000 INFO L231 Difference]: Finished difference. Result has 347 places, 361 transitions, 732 flow [2022-11-20 10:30:10,003 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=732, PETRI_PLACES=347, PETRI_TRANSITIONS=361} [2022-11-20 10:30:10,007 INFO L288 CegarLoopForPetriNet]: 434 programPoint places, -87 predicate places. [2022-11-20 10:30:10,007 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 361 transitions, 732 flow [2022-11-20 10:30:10,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 337.0) internal successors, (674), 2 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:10,008 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:10,008 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:10,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:30:10,009 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err23ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2022-11-20 10:30:10,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:10,010 INFO L85 PathProgramCache]: Analyzing trace with hash -2072036830, now seen corresponding path program 1 times [2022-11-20 10:30:10,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:10,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975481067] [2022-11-20 10:30:10,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:10,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:10,142 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 10:30:10,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:10,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975481067] [2022-11-20 10:30:10,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975481067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:10,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:10,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:10,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413653625] [2022-11-20 10:30:10,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:10,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:10,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:10,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:10,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:10,147 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 478 [2022-11-20 10:30:10,149 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 361 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:10,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:10,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 478 [2022-11-20 10:30:10,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:12,235 INFO L130 PetriNetUnfolder]: 2446/12039 cut-off events. [2022-11-20 10:30:12,236 INFO L131 PetriNetUnfolder]: For 91/91 co-relation queries the response was YES. [2022-11-20 10:30:12,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15958 conditions, 12039 events. 2446/12039 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 135986 event pairs, 331 based on Foata normal form. 0/9803 useless extension candidates. Maximal degree in co-relation 15953. Up to 2355 conditions per place. [2022-11-20 10:30:12,368 INFO L137 encePairwiseOnDemand]: 404/478 looper letters, 77 selfloop transitions, 60 changer transitions 0/422 dead transitions. [2022-11-20 10:30:12,368 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 422 transitions, 1133 flow [2022-11-20 10:30:12,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:12,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:30:12,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2022-11-20 10:30:12,373 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7203626220362622 [2022-11-20 10:30:12,374 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2022-11-20 10:30:12,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2022-11-20 10:30:12,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:12,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2022-11-20 10:30:12,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:12,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:12,385 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:12,386 INFO L175 Difference]: Start difference. First operand has 347 places, 361 transitions, 732 flow. Second operand 3 states and 1033 transitions. [2022-11-20 10:30:12,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 422 transitions, 1133 flow [2022-11-20 10:30:12,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 422 transitions, 1133 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-20 10:30:12,402 INFO L231 Difference]: Finished difference. Result has 351 places, 421 transitions, 1240 flow [2022-11-20 10:30:12,403 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1240, PETRI_PLACES=351, PETRI_TRANSITIONS=421} [2022-11-20 10:30:12,404 INFO L288 CegarLoopForPetriNet]: 434 programPoint places, -83 predicate places. [2022-11-20 10:30:12,404 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 421 transitions, 1240 flow [2022-11-20 10:30:12,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:12,405 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:12,405 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:12,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:30:12,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2022-11-20 10:30:12,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:12,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1878127875, now seen corresponding path program 1 times [2022-11-20 10:30:12,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:12,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261286511] [2022-11-20 10:30:12,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:12,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:12,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:12,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:12,478 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:30:12,479 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (150 of 151 remaining) [2022-11-20 10:30:12,479 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (149 of 151 remaining) [2022-11-20 10:30:12,479 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (148 of 151 remaining) [2022-11-20 10:30:12,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (147 of 151 remaining) [2022-11-20 10:30:12,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (146 of 151 remaining) [2022-11-20 10:30:12,480 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (145 of 151 remaining) [2022-11-20 10:30:12,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (144 of 151 remaining) [2022-11-20 10:30:12,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (143 of 151 remaining) [2022-11-20 10:30:12,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (142 of 151 remaining) [2022-11-20 10:30:12,481 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (141 of 151 remaining) [2022-11-20 10:30:12,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (140 of 151 remaining) [2022-11-20 10:30:12,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (139 of 151 remaining) [2022-11-20 10:30:12,482 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (138 of 151 remaining) [2022-11-20 10:30:12,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (137 of 151 remaining) [2022-11-20 10:30:12,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (136 of 151 remaining) [2022-11-20 10:30:12,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (135 of 151 remaining) [2022-11-20 10:30:12,483 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (134 of 151 remaining) [2022-11-20 10:30:12,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (133 of 151 remaining) [2022-11-20 10:30:12,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (132 of 151 remaining) [2022-11-20 10:30:12,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (131 of 151 remaining) [2022-11-20 10:30:12,484 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (130 of 151 remaining) [2022-11-20 10:30:12,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (129 of 151 remaining) [2022-11-20 10:30:12,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (128 of 151 remaining) [2022-11-20 10:30:12,485 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (127 of 151 remaining) [2022-11-20 10:30:12,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (126 of 151 remaining) [2022-11-20 10:30:12,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (125 of 151 remaining) [2022-11-20 10:30:12,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (124 of 151 remaining) [2022-11-20 10:30:12,486 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (123 of 151 remaining) [2022-11-20 10:30:12,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (122 of 151 remaining) [2022-11-20 10:30:12,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (121 of 151 remaining) [2022-11-20 10:30:12,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (120 of 151 remaining) [2022-11-20 10:30:12,487 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (119 of 151 remaining) [2022-11-20 10:30:12,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (118 of 151 remaining) [2022-11-20 10:30:12,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (117 of 151 remaining) [2022-11-20 10:30:12,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (116 of 151 remaining) [2022-11-20 10:30:12,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (115 of 151 remaining) [2022-11-20 10:30:12,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (114 of 151 remaining) [2022-11-20 10:30:12,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (113 of 151 remaining) [2022-11-20 10:30:12,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (112 of 151 remaining) [2022-11-20 10:30:12,490 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (111 of 151 remaining) [2022-11-20 10:30:12,490 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (110 of 151 remaining) [2022-11-20 10:30:12,490 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (109 of 151 remaining) [2022-11-20 10:30:12,490 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (108 of 151 remaining) [2022-11-20 10:30:12,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (107 of 151 remaining) [2022-11-20 10:30:12,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (106 of 151 remaining) [2022-11-20 10:30:12,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (105 of 151 remaining) [2022-11-20 10:30:12,491 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (104 of 151 remaining) [2022-11-20 10:30:12,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (103 of 151 remaining) [2022-11-20 10:30:12,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (102 of 151 remaining) [2022-11-20 10:30:12,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (101 of 151 remaining) [2022-11-20 10:30:12,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (100 of 151 remaining) [2022-11-20 10:30:12,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (99 of 151 remaining) [2022-11-20 10:30:12,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (98 of 151 remaining) [2022-11-20 10:30:12,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (97 of 151 remaining) [2022-11-20 10:30:12,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (96 of 151 remaining) [2022-11-20 10:30:12,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (95 of 151 remaining) [2022-11-20 10:30:12,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (94 of 151 remaining) [2022-11-20 10:30:12,494 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (93 of 151 remaining) [2022-11-20 10:30:12,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (92 of 151 remaining) [2022-11-20 10:30:12,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (91 of 151 remaining) [2022-11-20 10:30:12,495 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (90 of 151 remaining) [2022-11-20 10:30:12,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (89 of 151 remaining) [2022-11-20 10:30:12,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (88 of 151 remaining) [2022-11-20 10:30:12,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (87 of 151 remaining) [2022-11-20 10:30:12,496 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (86 of 151 remaining) [2022-11-20 10:30:12,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (85 of 151 remaining) [2022-11-20 10:30:12,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (84 of 151 remaining) [2022-11-20 10:30:12,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (83 of 151 remaining) [2022-11-20 10:30:12,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (82 of 151 remaining) [2022-11-20 10:30:12,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (81 of 151 remaining) [2022-11-20 10:30:12,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (80 of 151 remaining) [2022-11-20 10:30:12,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (79 of 151 remaining) [2022-11-20 10:30:12,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (78 of 151 remaining) [2022-11-20 10:30:12,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (77 of 151 remaining) [2022-11-20 10:30:12,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (76 of 151 remaining) [2022-11-20 10:30:12,499 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (75 of 151 remaining) [2022-11-20 10:30:12,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (74 of 151 remaining) [2022-11-20 10:30:12,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (73 of 151 remaining) [2022-11-20 10:30:12,500 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (72 of 151 remaining) [2022-11-20 10:30:12,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (71 of 151 remaining) [2022-11-20 10:30:12,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (70 of 151 remaining) [2022-11-20 10:30:12,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (69 of 151 remaining) [2022-11-20 10:30:12,501 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (68 of 151 remaining) [2022-11-20 10:30:12,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (67 of 151 remaining) [2022-11-20 10:30:12,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (66 of 151 remaining) [2022-11-20 10:30:12,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (65 of 151 remaining) [2022-11-20 10:30:12,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (64 of 151 remaining) [2022-11-20 10:30:12,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (63 of 151 remaining) [2022-11-20 10:30:12,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (62 of 151 remaining) [2022-11-20 10:30:12,503 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (61 of 151 remaining) [2022-11-20 10:30:12,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (60 of 151 remaining) [2022-11-20 10:30:12,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (59 of 151 remaining) [2022-11-20 10:30:12,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (58 of 151 remaining) [2022-11-20 10:30:12,504 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (57 of 151 remaining) [2022-11-20 10:30:12,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (56 of 151 remaining) [2022-11-20 10:30:12,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (55 of 151 remaining) [2022-11-20 10:30:12,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (54 of 151 remaining) [2022-11-20 10:30:12,505 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (53 of 151 remaining) [2022-11-20 10:30:12,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (52 of 151 remaining) [2022-11-20 10:30:12,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (51 of 151 remaining) [2022-11-20 10:30:12,506 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (50 of 151 remaining) [2022-11-20 10:30:12,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (49 of 151 remaining) [2022-11-20 10:30:12,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (48 of 151 remaining) [2022-11-20 10:30:12,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (47 of 151 remaining) [2022-11-20 10:30:12,507 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (46 of 151 remaining) [2022-11-20 10:30:12,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (45 of 151 remaining) [2022-11-20 10:30:12,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (44 of 151 remaining) [2022-11-20 10:30:12,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (43 of 151 remaining) [2022-11-20 10:30:12,508 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (42 of 151 remaining) [2022-11-20 10:30:12,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (41 of 151 remaining) [2022-11-20 10:30:12,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (40 of 151 remaining) [2022-11-20 10:30:12,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 151 remaining) [2022-11-20 10:30:12,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 151 remaining) [2022-11-20 10:30:12,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (37 of 151 remaining) [2022-11-20 10:30:12,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (36 of 151 remaining) [2022-11-20 10:30:12,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (35 of 151 remaining) [2022-11-20 10:30:12,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (34 of 151 remaining) [2022-11-20 10:30:12,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (33 of 151 remaining) [2022-11-20 10:30:12,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (32 of 151 remaining) [2022-11-20 10:30:12,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (31 of 151 remaining) [2022-11-20 10:30:12,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (30 of 151 remaining) [2022-11-20 10:30:12,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (29 of 151 remaining) [2022-11-20 10:30:12,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (28 of 151 remaining) [2022-11-20 10:30:12,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (27 of 151 remaining) [2022-11-20 10:30:12,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (26 of 151 remaining) [2022-11-20 10:30:12,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 151 remaining) [2022-11-20 10:30:12,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (24 of 151 remaining) [2022-11-20 10:30:12,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (23 of 151 remaining) [2022-11-20 10:30:12,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (22 of 151 remaining) [2022-11-20 10:30:12,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 151 remaining) [2022-11-20 10:30:12,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (20 of 151 remaining) [2022-11-20 10:30:12,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (19 of 151 remaining) [2022-11-20 10:30:12,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (18 of 151 remaining) [2022-11-20 10:30:12,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (17 of 151 remaining) [2022-11-20 10:30:12,515 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (16 of 151 remaining) [2022-11-20 10:30:12,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (15 of 151 remaining) [2022-11-20 10:30:12,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 151 remaining) [2022-11-20 10:30:12,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (13 of 151 remaining) [2022-11-20 10:30:12,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (12 of 151 remaining) [2022-11-20 10:30:12,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 151 remaining) [2022-11-20 10:30:12,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (10 of 151 remaining) [2022-11-20 10:30:12,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (9 of 151 remaining) [2022-11-20 10:30:12,517 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (8 of 151 remaining) [2022-11-20 10:30:12,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 151 remaining) [2022-11-20 10:30:12,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (6 of 151 remaining) [2022-11-20 10:30:12,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (5 of 151 remaining) [2022-11-20 10:30:12,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (4 of 151 remaining) [2022-11-20 10:30:12,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (3 of 151 remaining) [2022-11-20 10:30:12,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (2 of 151 remaining) [2022-11-20 10:30:12,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (1 of 151 remaining) [2022-11-20 10:30:12,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (0 of 151 remaining) [2022-11-20 10:30:12,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:30:12,520 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 10:30:12,521 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-20 10:30:12,521 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-20 10:30:12,622 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:30:12,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 636 places, 702 transitions, 1425 flow [2022-11-20 10:30:13,039 INFO L130 PetriNetUnfolder]: 76/739 cut-off events. [2022-11-20 10:30:13,039 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-20 10:30:13,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 739 events. 76/739 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4158 event pairs, 0 based on Foata normal form. 0/509 useless extension candidates. Maximal degree in co-relation 682. Up to 8 conditions per place. [2022-11-20 10:30:13,056 INFO L82 GeneralOperation]: Start removeDead. Operand has 636 places, 702 transitions, 1425 flow [2022-11-20 10:30:13,081 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 636 places, 702 transitions, 1425 flow [2022-11-20 10:30:13,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:30:13,083 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;@2d97e84e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:30:13,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 201 error locations. [2022-11-20 10:30:13,089 INFO L130 PetriNetUnfolder]: 4/63 cut-off events. [2022-11-20 10:30:13,089 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 10:30:13,089 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:13,090 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] [2022-11-20 10:30:13,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err21ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 197 more)] === [2022-11-20 10:30:13,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:13,090 INFO L85 PathProgramCache]: Analyzing trace with hash -985373251, now seen corresponding path program 1 times [2022-11-20 10:30:13,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:13,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978672173] [2022-11-20 10:30:13,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:13,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:13,121 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 10:30:13,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:13,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978672173] [2022-11-20 10:30:13,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978672173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:13,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:13,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 10:30:13,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864496955] [2022-11-20 10:30:13,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:13,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 10:30:13,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:13,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:30:13,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:30:13,125 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 490 out of 702 [2022-11-20 10:30:13,127 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 636 places, 702 transitions, 1425 flow. Second operand has 2 states, 2 states have (on average 491.0) internal successors, (982), 2 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:13,127 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:13,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 490 of 702 [2022-11-20 10:30:13,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:30:25,925 INFO L130 PetriNetUnfolder]: 15346/70985 cut-off events. [2022-11-20 10:30:25,925 INFO L131 PetriNetUnfolder]: For 2281/2281 co-relation queries the response was YES. [2022-11-20 10:30:26,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90421 conditions, 70985 events. 15346/70985 cut-off events. For 2281/2281 co-relation queries the response was YES. Maximal size of possible extension queue 1549. Compared 1070197 event pairs, 8476 based on Foata normal form. 17792/77207 useless extension candidates. Maximal degree in co-relation 4442. Up to 17668 conditions per place. [2022-11-20 10:30:27,060 INFO L137 encePairwiseOnDemand]: 559/702 looper letters, 51 selfloop transitions, 0 changer transitions 0/530 dead transitions. [2022-11-20 10:30:27,061 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 530 transitions, 1183 flow [2022-11-20 10:30:27,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 10:30:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-20 10:30:27,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1174 transitions. [2022-11-20 10:30:27,065 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8361823361823362 [2022-11-20 10:30:27,066 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1174 transitions. [2022-11-20 10:30:27,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1174 transitions. [2022-11-20 10:30:27,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:27,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1174 transitions. [2022-11-20 10:30:27,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 587.0) internal successors, (1174), 2 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:27,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:27,075 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:27,075 INFO L175 Difference]: Start difference. First operand has 636 places, 702 transitions, 1425 flow. Second operand 2 states and 1174 transitions. [2022-11-20 10:30:27,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 530 transitions, 1183 flow [2022-11-20 10:30:27,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 530 transitions, 1177 flow, removed 3 selfloop flow, removed 0 redundant places. [2022-11-20 10:30:27,094 INFO L231 Difference]: Finished difference. Result has 508 places, 530 transitions, 1075 flow [2022-11-20 10:30:27,095 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=702, PETRI_DIFFERENCE_MINUEND_FLOW=1075, PETRI_DIFFERENCE_MINUEND_PLACES=507, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1075, PETRI_PLACES=508, PETRI_TRANSITIONS=530} [2022-11-20 10:30:27,097 INFO L288 CegarLoopForPetriNet]: 636 programPoint places, -128 predicate places. [2022-11-20 10:30:27,098 INFO L495 AbstractCegarLoop]: Abstraction has has 508 places, 530 transitions, 1075 flow [2022-11-20 10:30:27,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 491.0) internal successors, (982), 2 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:27,099 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:30:27,099 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:27,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:30:27,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err23ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 197 more)] === [2022-11-20 10:30:27,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:27,100 INFO L85 PathProgramCache]: Analyzing trace with hash -2050800669, now seen corresponding path program 1 times [2022-11-20 10:30:27,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:27,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858887090] [2022-11-20 10:30:27,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:27,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:27,180 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 10:30:27,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:27,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858887090] [2022-11-20 10:30:27,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858887090] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:27,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:27,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:27,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114524543] [2022-11-20 10:30:27,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:27,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:30:27,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:27,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:27,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:27,185 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 702 [2022-11-20 10:30:27,187 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 530 transitions, 1075 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:30:27,187 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:30:27,187 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 702 [2022-11-20 10:30:27,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand