./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8 --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 e9065224c0b163ad014fc0aee4009feab43ed37ef70e06d8d8f3b14d045f755a --- 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-2329fc7 [2022-12-13 10:54:53,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 10:54:53,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 10:54:54,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 10:54:54,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 10:54:54,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 10:54:54,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 10:54:54,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 10:54:54,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 10:54:54,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 10:54:54,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 10:54:54,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 10:54:54,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 10:54:54,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 10:54:54,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 10:54:54,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 10:54:54,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 10:54:54,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 10:54:54,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 10:54:54,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 10:54:54,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 10:54:54,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 10:54:54,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 10:54:54,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 10:54:54,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 10:54:54,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 10:54:54,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 10:54:54,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 10:54:54,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 10:54:54,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 10:54:54,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 10:54:54,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 10:54:54,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 10:54:54,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 10:54:54,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 10:54:54,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 10:54:54,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 10:54:54,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 10:54:54,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 10:54:54,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 10:54:54,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 10:54:54,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 10:54:54,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 10:54:54,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 10:54:54,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 10:54:54,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 10:54:54,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 10:54:54,069 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 10:54:54,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 10:54:54,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 10:54:54,070 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 10:54:54,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 10:54:54,070 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 10:54:54,070 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 10:54:54,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 10:54:54,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 10:54:54,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 10:54:54,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 10:54:54,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 10:54:54,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 10:54:54,071 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 10:54:54,072 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 10:54:54,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 10:54:54,072 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 10:54:54,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 10:54:54,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 10:54:54,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 10:54:54,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 10:54:54,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:54:54,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 10:54:54,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 10:54:54,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 10:54:54,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 10:54:54,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 10:54:54,074 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 10:54:54,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 10:54:54,075 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 10:54:54,075 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 10:54:54,075 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 10:54:54,075 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9065224c0b163ad014fc0aee4009feab43ed37ef70e06d8d8f3b14d045f755a [2022-12-13 10:54:54,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 10:54:54,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 10:54:54,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 10:54:54,290 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 10:54:54,291 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 10:54:54,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2022-12-13 10:54:56,770 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 10:54:56,944 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 10:54:56,945 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2022-12-13 10:54:56,950 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/data/0111d836f/d3280609c05041a29929eda166d49028/FLAGa018a6462 [2022-12-13 10:54:57,348 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/data/0111d836f/d3280609c05041a29929eda166d49028 [2022-12-13 10:54:57,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 10:54:57,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 10:54:57,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 10:54:57,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 10:54:57,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 10:54:57,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22756f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57, skipping insertion in model container [2022-12-13 10:54:57,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 10:54:57,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 10:54:57,520 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_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c[2566,2579] [2022-12-13 10:54:57,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:54:57,530 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 10:54:57,550 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_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c[2566,2579] [2022-12-13 10:54:57,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:54:57,563 INFO L208 MainTranslator]: Completed translation [2022-12-13 10:54:57,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57 WrapperNode [2022-12-13 10:54:57,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 10:54:57,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 10:54:57,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 10:54:57,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 10:54:57,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,598 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 290 [2022-12-13 10:54:57,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 10:54:57,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 10:54:57,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 10:54:57,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 10:54:57,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,624 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 10:54:57,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 10:54:57,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 10:54:57,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 10:54:57,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (1/1) ... [2022-12-13 10:54:57,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:54:57,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:54:57,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 10:54:57,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 10:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 10:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 10:54:57,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 10:54:57,679 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 10:54:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 10:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 10:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 10:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 10:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 10:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 10:54:57,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 10:54:57,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 10:54:57,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 10:54:57,682 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 10:54:57,764 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 10:54:57,766 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 10:54:58,198 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 10:54:58,207 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 10:54:58,207 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 10:54:58,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:54:58 BoogieIcfgContainer [2022-12-13 10:54:58,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 10:54:58,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 10:54:58,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 10:54:58,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 10:54:58,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:54:57" (1/3) ... [2022-12-13 10:54:58,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e1c4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:54:58, skipping insertion in model container [2022-12-13 10:54:58,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:54:57" (2/3) ... [2022-12-13 10:54:58,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e1c4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:54:58, skipping insertion in model container [2022-12-13 10:54:58,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:54:58" (3/3) ... [2022-12-13 10:54:58,216 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2022-12-13 10:54:58,222 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 10:54:58,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 10:54:58,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-12-13 10:54:58,231 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 10:54:58,337 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 10:54:58,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 347 places, 359 transitions, 734 flow [2022-12-13 10:54:58,465 INFO L130 PetriNetUnfolder]: 19/357 cut-off events. [2022-12-13 10:54:58,465 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 10:54:58,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 357 events. 19/357 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 659 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 233. Up to 3 conditions per place. [2022-12-13 10:54:58,473 INFO L82 GeneralOperation]: Start removeDead. Operand has 347 places, 359 transitions, 734 flow [2022-12-13 10:54:58,479 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 328 places, 339 transitions, 690 flow [2022-12-13 10:54:58,482 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 10:54:58,490 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 339 transitions, 690 flow [2022-12-13 10:54:58,493 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 339 transitions, 690 flow [2022-12-13 10:54:58,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 339 transitions, 690 flow [2022-12-13 10:54:58,552 INFO L130 PetriNetUnfolder]: 18/339 cut-off events. [2022-12-13 10:54:58,552 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 10:54:58,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 339 events. 18/339 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 656 event pairs, 0 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 233. Up to 3 conditions per place. [2022-12-13 10:54:58,560 INFO L119 LiptonReduction]: Number of co-enabled transitions 18860 [2022-12-13 10:55:03,548 INFO L134 LiptonReduction]: Checked pairs total: 120175 [2022-12-13 10:55:03,548 INFO L136 LiptonReduction]: Total number of compositions: 274 [2022-12-13 10:55:03,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 10:55:03,565 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;@276e5420, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 10:55:03,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2022-12-13 10:55:03,567 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2022-12-13 10:55:03,567 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 10:55:03,568 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:03,568 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1] [2022-12-13 10:55:03,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:03,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:03,572 INFO L85 PathProgramCache]: Analyzing trace with hash 40573, now seen corresponding path program 1 times [2022-12-13 10:55:03,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:03,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294688622] [2022-12-13 10:55:03,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:03,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 10:55:03,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:03,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294688622] [2022-12-13 10:55:03,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294688622] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:03,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:03,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 10:55:03,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167734651] [2022-12-13 10:55:03,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:03,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 10:55:03,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:03,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 10:55:03,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 10:55:03,729 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 633 [2022-12-13 10:55:03,732 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 130 transitions, 272 flow. Second operand has 2 states, 2 states have (on average 344.0) internal successors, (688), 2 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:03,732 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:03,732 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 633 [2022-12-13 10:55:03,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:03,897 INFO L130 PetriNetUnfolder]: 350/1278 cut-off events. [2022-12-13 10:55:03,897 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-13 10:55:03,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1854 conditions, 1278 events. 350/1278 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 8783 event pairs, 228 based on Foata normal form. 41/1069 useless extension candidates. Maximal degree in co-relation 1639. Up to 545 conditions per place. [2022-12-13 10:55:03,905 INFO L137 encePairwiseOnDemand]: 621/633 looper letters, 33 selfloop transitions, 0 changer transitions 1/118 dead transitions. [2022-12-13 10:55:03,905 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 118 transitions, 316 flow [2022-12-13 10:55:03,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 10:55:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 10:55:03,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 732 transitions. [2022-12-13 10:55:03,920 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5781990521327014 [2022-12-13 10:55:03,920 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 732 transitions. [2022-12-13 10:55:03,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 732 transitions. [2022-12-13 10:55:03,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:03,926 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 732 transitions. [2022-12-13 10:55:03,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 366.0) internal successors, (732), 2 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:03,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 633.0) internal successors, (1899), 3 states have internal predecessors, (1899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:03,938 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 633.0) internal successors, (1899), 3 states have internal predecessors, (1899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:03,939 INFO L175 Difference]: Start difference. First operand has 127 places, 130 transitions, 272 flow. Second operand 2 states and 732 transitions. [2022-12-13 10:55:03,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 118 transitions, 316 flow [2022-12-13 10:55:03,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 118 transitions, 308 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 10:55:03,945 INFO L231 Difference]: Finished difference. Result has 114 places, 117 transitions, 237 flow [2022-12-13 10:55:03,947 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=237, PETRI_PLACES=114, PETRI_TRANSITIONS=117} [2022-12-13 10:55:03,950 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -13 predicate places. [2022-12-13 10:55:03,950 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 117 transitions, 237 flow [2022-12-13 10:55:03,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 344.0) internal successors, (688), 2 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:03,951 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:03,951 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 10:55:03,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 10:55:03,951 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:03,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:03,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1116400656, now seen corresponding path program 1 times [2022-12-13 10:55:03,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:03,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142302102] [2022-12-13 10:55:03,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:03,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 10:55:04,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:04,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142302102] [2022-12-13 10:55:04,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142302102] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:04,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:04,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 10:55:04,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270084759] [2022-12-13 10:55:04,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:04,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 10:55:04,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:04,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 10:55:04,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 10:55:04,041 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 633 [2022-12-13 10:55:04,042 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 117 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,042 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:04,042 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 633 [2022-12-13 10:55:04,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:04,226 INFO L130 PetriNetUnfolder]: 380/1402 cut-off events. [2022-12-13 10:55:04,226 INFO L131 PetriNetUnfolder]: For 11/27 co-relation queries the response was YES. [2022-12-13 10:55:04,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2004 conditions, 1402 events. 380/1402 cut-off events. For 11/27 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 9802 event pairs, 110 based on Foata normal form. 2/1145 useless extension candidates. Maximal degree in co-relation 2001. Up to 576 conditions per place. [2022-12-13 10:55:04,232 INFO L137 encePairwiseOnDemand]: 629/633 looper letters, 39 selfloop transitions, 2 changer transitions 0/122 dead transitions. [2022-12-13 10:55:04,232 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 122 transitions, 330 flow [2022-12-13 10:55:04,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 10:55:04,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 10:55:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1051 transitions. [2022-12-13 10:55:04,235 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5534491837809373 [2022-12-13 10:55:04,235 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1051 transitions. [2022-12-13 10:55:04,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1051 transitions. [2022-12-13 10:55:04,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:04,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1051 transitions. [2022-12-13 10:55:04,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.3333333333333) internal successors, (1051), 3 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 633.0) internal successors, (2532), 4 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,241 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 633.0) internal successors, (2532), 4 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,241 INFO L175 Difference]: Start difference. First operand has 114 places, 117 transitions, 237 flow. Second operand 3 states and 1051 transitions. [2022-12-13 10:55:04,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 122 transitions, 330 flow [2022-12-13 10:55:04,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 122 transitions, 330 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 10:55:04,243 INFO L231 Difference]: Finished difference. Result has 114 places, 117 transitions, 247 flow [2022-12-13 10:55:04,243 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=247, PETRI_PLACES=114, PETRI_TRANSITIONS=117} [2022-12-13 10:55:04,244 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -13 predicate places. [2022-12-13 10:55:04,244 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 117 transitions, 247 flow [2022-12-13 10:55:04,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,245 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:04,245 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:04,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 10:55:04,245 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:04,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:04,246 INFO L85 PathProgramCache]: Analyzing trace with hash 882387400, now seen corresponding path program 1 times [2022-12-13 10:55:04,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:04,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896106149] [2022-12-13 10:55:04,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:04,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 10:55:04,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:04,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896106149] [2022-12-13 10:55:04,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896106149] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:04,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:04,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 10:55:04,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129748691] [2022-12-13 10:55:04,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:04,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 10:55:04,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:04,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 10:55:04,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 10:55:04,373 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 633 [2022-12-13 10:55:04,374 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 117 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,374 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:04,374 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 633 [2022-12-13 10:55:04,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:04,528 INFO L130 PetriNetUnfolder]: 355/1269 cut-off events. [2022-12-13 10:55:04,528 INFO L131 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2022-12-13 10:55:04,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1886 conditions, 1269 events. 355/1269 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 8599 event pairs, 213 based on Foata normal form. 0/1019 useless extension candidates. Maximal degree in co-relation 1882. Up to 549 conditions per place. [2022-12-13 10:55:04,533 INFO L137 encePairwiseOnDemand]: 628/633 looper letters, 32 selfloop transitions, 4 changer transitions 0/119 dead transitions. [2022-12-13 10:55:04,533 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 119 transitions, 323 flow [2022-12-13 10:55:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 10:55:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 10:55:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1042 transitions. [2022-12-13 10:55:04,535 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5487098472880464 [2022-12-13 10:55:04,535 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1042 transitions. [2022-12-13 10:55:04,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1042 transitions. [2022-12-13 10:55:04,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:04,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1042 transitions. [2022-12-13 10:55:04,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 347.3333333333333) internal successors, (1042), 3 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 633.0) internal successors, (2532), 4 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,540 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 633.0) internal successors, (2532), 4 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,541 INFO L175 Difference]: Start difference. First operand has 114 places, 117 transitions, 247 flow. Second operand 3 states and 1042 transitions. [2022-12-13 10:55:04,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 119 transitions, 323 flow [2022-12-13 10:55:04,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 119 transitions, 323 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 10:55:04,542 INFO L231 Difference]: Finished difference. Result has 117 places, 119 transitions, 269 flow [2022-12-13 10:55:04,543 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=269, PETRI_PLACES=117, PETRI_TRANSITIONS=119} [2022-12-13 10:55:04,543 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -10 predicate places. [2022-12-13 10:55:04,543 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 119 transitions, 269 flow [2022-12-13 10:55:04,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 337.3333333333333) internal successors, (1012), 3 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,544 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:04,544 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:04,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 10:55:04,544 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:04,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:04,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1048505536, now seen corresponding path program 1 times [2022-12-13 10:55:04,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:04,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978263917] [2022-12-13 10:55:04,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:04,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 10:55:04,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:04,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978263917] [2022-12-13 10:55:04,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978263917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:04,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:04,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 10:55:04,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066289796] [2022-12-13 10:55:04,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:04,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 10:55:04,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:04,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 10:55:04,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 10:55:04,594 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 633 [2022-12-13 10:55:04,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 119 transitions, 269 flow. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:04,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 633 [2022-12-13 10:55:04,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:04,789 INFO L130 PetriNetUnfolder]: 438/1831 cut-off events. [2022-12-13 10:55:04,790 INFO L131 PetriNetUnfolder]: For 30/75 co-relation queries the response was YES. [2022-12-13 10:55:04,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2588 conditions, 1831 events. 438/1831 cut-off events. For 30/75 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 13187 event pairs, 132 based on Foata normal form. 1/1463 useless extension candidates. Maximal degree in co-relation 2582. Up to 660 conditions per place. [2022-12-13 10:55:04,796 INFO L137 encePairwiseOnDemand]: 629/633 looper letters, 43 selfloop transitions, 2 changer transitions 0/124 dead transitions. [2022-12-13 10:55:04,796 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 124 transitions, 373 flow [2022-12-13 10:55:04,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 10:55:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 10:55:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1052 transitions. [2022-12-13 10:55:04,801 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5539757767245919 [2022-12-13 10:55:04,801 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1052 transitions. [2022-12-13 10:55:04,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1052 transitions. [2022-12-13 10:55:04,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:04,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1052 transitions. [2022-12-13 10:55:04,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 633.0) internal successors, (2532), 4 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,806 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 633.0) internal successors, (2532), 4 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,806 INFO L175 Difference]: Start difference. First operand has 117 places, 119 transitions, 269 flow. Second operand 3 states and 1052 transitions. [2022-12-13 10:55:04,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 124 transitions, 373 flow [2022-12-13 10:55:04,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 124 transitions, 369 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 10:55:04,808 INFO L231 Difference]: Finished difference. Result has 117 places, 119 transitions, 275 flow [2022-12-13 10:55:04,809 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=275, PETRI_PLACES=117, PETRI_TRANSITIONS=119} [2022-12-13 10:55:04,809 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -10 predicate places. [2022-12-13 10:55:04,809 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 119 transitions, 275 flow [2022-12-13 10:55:04,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,810 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:04,810 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:04,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 10:55:04,810 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:04,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:04,810 INFO L85 PathProgramCache]: Analyzing trace with hash 587399058, now seen corresponding path program 1 times [2022-12-13 10:55:04,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:04,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922645247] [2022-12-13 10:55:04,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:04,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 10:55:04,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:04,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922645247] [2022-12-13 10:55:04,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922645247] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:04,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:04,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 10:55:04,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421347925] [2022-12-13 10:55:04,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:04,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 10:55:04,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:04,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 10:55:04,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 10:55:04,862 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 633 [2022-12-13 10:55:04,864 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 119 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:04,864 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:04,864 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 633 [2022-12-13 10:55:04,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:05,124 INFO L130 PetriNetUnfolder]: 611/2238 cut-off events. [2022-12-13 10:55:05,124 INFO L131 PetriNetUnfolder]: For 84/92 co-relation queries the response was YES. [2022-12-13 10:55:05,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3350 conditions, 2238 events. 611/2238 cut-off events. For 84/92 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 16540 event pairs, 123 based on Foata normal form. 1/1912 useless extension candidates. Maximal degree in co-relation 3344. Up to 822 conditions per place. [2022-12-13 10:55:05,132 INFO L137 encePairwiseOnDemand]: 627/633 looper letters, 55 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2022-12-13 10:55:05,132 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 130 transitions, 417 flow [2022-12-13 10:55:05,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 10:55:05,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 10:55:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1047 transitions. [2022-12-13 10:55:05,136 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5513428120063191 [2022-12-13 10:55:05,136 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1047 transitions. [2022-12-13 10:55:05,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1047 transitions. [2022-12-13 10:55:05,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:05,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1047 transitions. [2022-12-13 10:55:05,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 349.0) internal successors, (1047), 3 states have internal predecessors, (1047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:05,141 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 633.0) internal successors, (2532), 4 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:05,142 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 633.0) internal successors, (2532), 4 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:05,142 INFO L175 Difference]: Start difference. First operand has 117 places, 119 transitions, 275 flow. Second operand 3 states and 1047 transitions. [2022-12-13 10:55:05,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 130 transitions, 417 flow [2022-12-13 10:55:05,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 130 transitions, 417 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 10:55:05,144 INFO L231 Difference]: Finished difference. Result has 116 places, 117 transitions, 281 flow [2022-12-13 10:55:05,144 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=281, PETRI_PLACES=116, PETRI_TRANSITIONS=117} [2022-12-13 10:55:05,145 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -11 predicate places. [2022-12-13 10:55:05,145 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 117 transitions, 281 flow [2022-12-13 10:55:05,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.3333333333333) internal successors, (1000), 3 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:05,145 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:05,146 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:05,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 10:55:05,146 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:05,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:05,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1268409779, now seen corresponding path program 1 times [2022-12-13 10:55:05,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:05,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087749126] [2022-12-13 10:55:05,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:05,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 10:55:05,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:05,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087749126] [2022-12-13 10:55:05,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087749126] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 10:55:05,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658007751] [2022-12-13 10:55:05,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:05,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:55:05,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:55:05,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 10:55:05,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 10:55:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:05,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 10:55:05,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:55:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 10:55:05,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 10:55:05,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 10:55:05,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658007751] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 10:55:05,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 10:55:05,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2022-12-13 10:55:05,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016847627] [2022-12-13 10:55:05,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 10:55:05,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 10:55:05,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:05,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 10:55:05,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2022-12-13 10:55:05,503 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 633 [2022-12-13 10:55:05,505 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 117 transitions, 281 flow. Second operand has 8 states, 8 states have (on average 333.125) internal successors, (2665), 8 states have internal predecessors, (2665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:05,505 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:05,505 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 633 [2022-12-13 10:55:05,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:05,712 INFO L130 PetriNetUnfolder]: 436/1494 cut-off events. [2022-12-13 10:55:05,712 INFO L131 PetriNetUnfolder]: For 112/120 co-relation queries the response was YES. [2022-12-13 10:55:05,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2408 conditions, 1494 events. 436/1494 cut-off events. For 112/120 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 10361 event pairs, 240 based on Foata normal form. 0/1238 useless extension candidates. Maximal degree in co-relation 2401. Up to 680 conditions per place. [2022-12-13 10:55:05,718 INFO L137 encePairwiseOnDemand]: 628/633 looper letters, 34 selfloop transitions, 10 changer transitions 0/123 dead transitions. [2022-12-13 10:55:05,718 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 123 transitions, 393 flow [2022-12-13 10:55:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 10:55:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 10:55:05,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2033 transitions. [2022-12-13 10:55:05,721 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5352817272248552 [2022-12-13 10:55:05,722 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2033 transitions. [2022-12-13 10:55:05,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2033 transitions. [2022-12-13 10:55:05,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:05,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2033 transitions. [2022-12-13 10:55:05,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:05,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:05,730 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:05,730 INFO L175 Difference]: Start difference. First operand has 116 places, 117 transitions, 281 flow. Second operand 6 states and 2033 transitions. [2022-12-13 10:55:05,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 123 transitions, 393 flow [2022-12-13 10:55:05,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 123 transitions, 393 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 10:55:05,733 INFO L231 Difference]: Finished difference. Result has 124 places, 123 transitions, 347 flow [2022-12-13 10:55:05,733 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=347, PETRI_PLACES=124, PETRI_TRANSITIONS=123} [2022-12-13 10:55:05,734 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2022-12-13 10:55:05,734 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 123 transitions, 347 flow [2022-12-13 10:55:05,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 333.125) internal successors, (2665), 8 states have internal predecessors, (2665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:05,735 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:05,735 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:05,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 10:55:05,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 10:55:05,937 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:05,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:05,937 INFO L85 PathProgramCache]: Analyzing trace with hash 131778347, now seen corresponding path program 2 times [2022-12-13 10:55:05,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:05,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621167858] [2022-12-13 10:55:05,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:05,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:06,210 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 10:55:06,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:06,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621167858] [2022-12-13 10:55:06,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621167858] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 10:55:06,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105410248] [2022-12-13 10:55:06,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 10:55:06,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:55:06,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:55:06,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 10:55:06,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 10:55:06,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 10:55:06,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 10:55:06,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 10:55:06,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:55:06,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 10:55:06,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 10:55:06,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 10:55:06,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 10:55:06,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 10:55:06,393 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 10:55:06,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-12-13 10:55:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 10:55:06,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 10:55:06,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 10:55:06,420 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 10:55:06,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-12-13 10:55:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-13 10:55:06,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 10:55:06,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105410248] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:06,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 10:55:06,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 12 [2022-12-13 10:55:06,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319561978] [2022-12-13 10:55:06,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:06,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 10:55:06,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:06,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 10:55:06,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-12-13 10:55:06,978 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 633 [2022-12-13 10:55:06,979 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 123 transitions, 347 flow. Second operand has 7 states, 7 states have (on average 327.85714285714283) internal successors, (2295), 7 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:06,979 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:06,979 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 633 [2022-12-13 10:55:06,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:07,542 INFO L130 PetriNetUnfolder]: 1700/3740 cut-off events. [2022-12-13 10:55:07,542 INFO L131 PetriNetUnfolder]: For 369/369 co-relation queries the response was YES. [2022-12-13 10:55:07,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6813 conditions, 3740 events. 1700/3740 cut-off events. For 369/369 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 26561 event pairs, 135 based on Foata normal form. 0/3127 useless extension candidates. Maximal degree in co-relation 6802. Up to 937 conditions per place. [2022-12-13 10:55:07,571 INFO L137 encePairwiseOnDemand]: 627/633 looper letters, 143 selfloop transitions, 5 changer transitions 0/222 dead transitions. [2022-12-13 10:55:07,571 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 222 transitions, 901 flow [2022-12-13 10:55:07,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 10:55:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 10:55:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2408 transitions. [2022-12-13 10:55:07,576 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5434439178515008 [2022-12-13 10:55:07,576 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2408 transitions. [2022-12-13 10:55:07,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2408 transitions. [2022-12-13 10:55:07,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:07,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2408 transitions. [2022-12-13 10:55:07,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:07,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 633.0) internal successors, (5064), 8 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:07,589 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 633.0) internal successors, (5064), 8 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:07,590 INFO L175 Difference]: Start difference. First operand has 124 places, 123 transitions, 347 flow. Second operand 7 states and 2408 transitions. [2022-12-13 10:55:07,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 222 transitions, 901 flow [2022-12-13 10:55:07,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 222 transitions, 885 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-12-13 10:55:07,594 INFO L231 Difference]: Finished difference. Result has 128 places, 122 transitions, 339 flow [2022-12-13 10:55:07,595 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=329, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=339, PETRI_PLACES=128, PETRI_TRANSITIONS=122} [2022-12-13 10:55:07,595 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, 1 predicate places. [2022-12-13 10:55:07,595 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 122 transitions, 339 flow [2022-12-13 10:55:07,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 327.85714285714283) internal successors, (2295), 7 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:07,597 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:07,597 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:07,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 10:55:07,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:55:07,798 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:07,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:07,798 INFO L85 PathProgramCache]: Analyzing trace with hash 135860938, now seen corresponding path program 1 times [2022-12-13 10:55:07,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:07,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531472023] [2022-12-13 10:55:07,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:07,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-13 10:55:07,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:07,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531472023] [2022-12-13 10:55:07,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531472023] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:07,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:07,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 10:55:07,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358108651] [2022-12-13 10:55:07,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:07,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 10:55:07,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:07,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 10:55:07,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 10:55:07,938 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 633 [2022-12-13 10:55:07,940 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 122 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:07,940 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:07,940 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 633 [2022-12-13 10:55:07,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:08,185 INFO L130 PetriNetUnfolder]: 836/2563 cut-off events. [2022-12-13 10:55:08,186 INFO L131 PetriNetUnfolder]: For 369/369 co-relation queries the response was YES. [2022-12-13 10:55:08,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4440 conditions, 2563 events. 836/2563 cut-off events. For 369/369 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 18433 event pairs, 178 based on Foata normal form. 0/2277 useless extension candidates. Maximal degree in co-relation 4428. Up to 1160 conditions per place. [2022-12-13 10:55:08,194 INFO L137 encePairwiseOnDemand]: 627/633 looper letters, 65 selfloop transitions, 2 changer transitions 0/133 dead transitions. [2022-12-13 10:55:08,194 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 133 transitions, 506 flow [2022-12-13 10:55:08,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 10:55:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 10:55:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1050 transitions. [2022-12-13 10:55:08,197 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5529225908372828 [2022-12-13 10:55:08,197 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1050 transitions. [2022-12-13 10:55:08,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1050 transitions. [2022-12-13 10:55:08,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:08,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1050 transitions. [2022-12-13 10:55:08,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:08,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 633.0) internal successors, (2532), 4 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:08,201 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 633.0) internal successors, (2532), 4 states have internal predecessors, (2532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:08,201 INFO L175 Difference]: Start difference. First operand has 128 places, 122 transitions, 339 flow. Second operand 3 states and 1050 transitions. [2022-12-13 10:55:08,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 133 transitions, 506 flow [2022-12-13 10:55:08,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 133 transitions, 495 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 10:55:08,204 INFO L231 Difference]: Finished difference. Result has 122 places, 120 transitions, 336 flow [2022-12-13 10:55:08,205 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=122, PETRI_TRANSITIONS=120} [2022-12-13 10:55:08,205 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -5 predicate places. [2022-12-13 10:55:08,205 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 120 transitions, 336 flow [2022-12-13 10:55:08,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.3333333333333) internal successors, (1003), 3 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:08,206 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:08,206 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:08,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 10:55:08,206 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:08,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:08,207 INFO L85 PathProgramCache]: Analyzing trace with hash -212930978, now seen corresponding path program 1 times [2022-12-13 10:55:08,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:08,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012568732] [2022-12-13 10:55:08,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:08,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 10:55:08,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:08,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012568732] [2022-12-13 10:55:08,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012568732] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 10:55:08,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369280730] [2022-12-13 10:55:08,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:08,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:55:08,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 10:55:08,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 10:55:08,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 10:55:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:08,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 10:55:08,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 10:55:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 10:55:08,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 10:55:08,566 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 10:55:08,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369280730] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 10:55:08,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 10:55:08,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2022-12-13 10:55:08,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929569703] [2022-12-13 10:55:08,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 10:55:08,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-13 10:55:08,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:08,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-13 10:55:08,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272 [2022-12-13 10:55:08,856 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 633 [2022-12-13 10:55:08,860 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 120 transitions, 336 flow. Second operand has 17 states, 17 states have (on average 332.52941176470586) internal successors, (5653), 17 states have internal predecessors, (5653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:08,860 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:08,860 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 633 [2022-12-13 10:55:08,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:09,154 INFO L130 PetriNetUnfolder]: 475/1608 cut-off events. [2022-12-13 10:55:09,154 INFO L131 PetriNetUnfolder]: For 120/128 co-relation queries the response was YES. [2022-12-13 10:55:09,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2658 conditions, 1608 events. 475/1608 cut-off events. For 120/128 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 11305 event pairs, 250 based on Foata normal form. 1/1375 useless extension candidates. Maximal degree in co-relation 2646. Up to 724 conditions per place. [2022-12-13 10:55:09,161 INFO L137 encePairwiseOnDemand]: 628/633 looper letters, 34 selfloop transitions, 12 changer transitions 0/122 dead transitions. [2022-12-13 10:55:09,161 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 122 transitions, 440 flow [2022-12-13 10:55:09,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 10:55:09,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 10:55:09,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2362 transitions. [2022-12-13 10:55:09,165 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5330625141051681 [2022-12-13 10:55:09,165 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2362 transitions. [2022-12-13 10:55:09,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2362 transitions. [2022-12-13 10:55:09,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:09,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2362 transitions. [2022-12-13 10:55:09,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 337.42857142857144) internal successors, (2362), 7 states have internal predecessors, (2362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:09,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 633.0) internal successors, (5064), 8 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:09,175 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 633.0) internal successors, (5064), 8 states have internal predecessors, (5064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:09,175 INFO L175 Difference]: Start difference. First operand has 122 places, 120 transitions, 336 flow. Second operand 7 states and 2362 transitions. [2022-12-13 10:55:09,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 122 transitions, 440 flow [2022-12-13 10:55:09,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 122 transitions, 440 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 10:55:09,178 INFO L231 Difference]: Finished difference. Result has 129 places, 122 transitions, 382 flow [2022-12-13 10:55:09,178 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=382, PETRI_PLACES=129, PETRI_TRANSITIONS=122} [2022-12-13 10:55:09,179 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, 2 predicate places. [2022-12-13 10:55:09,179 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 122 transitions, 382 flow [2022-12-13 10:55:09,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 332.52941176470586) internal successors, (5653), 17 states have internal predecessors, (5653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:09,180 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:09,180 INFO L209 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:09,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 10:55:09,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 10:55:09,381 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:09,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:09,381 INFO L85 PathProgramCache]: Analyzing trace with hash -581844010, now seen corresponding path program 2 times [2022-12-13 10:55:09,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:09,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242981460] [2022-12-13 10:55:09,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:09,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 10:55:09,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:09,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242981460] [2022-12-13 10:55:09,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242981460] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:09,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:09,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 10:55:09,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445829882] [2022-12-13 10:55:09,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:09,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 10:55:09,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:09,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 10:55:09,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 10:55:10,173 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 633 [2022-12-13 10:55:10,175 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 122 transitions, 382 flow. Second operand has 6 states, 6 states have (on average 321.3333333333333) internal successors, (1928), 6 states have internal predecessors, (1928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:10,175 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:10,175 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 633 [2022-12-13 10:55:10,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:10,604 INFO L130 PetriNetUnfolder]: 973/2680 cut-off events. [2022-12-13 10:55:10,604 INFO L131 PetriNetUnfolder]: For 154/160 co-relation queries the response was YES. [2022-12-13 10:55:10,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4679 conditions, 2680 events. 973/2680 cut-off events. For 154/160 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 19422 event pairs, 185 based on Foata normal form. 0/2408 useless extension candidates. Maximal degree in co-relation 4665. Up to 784 conditions per place. [2022-12-13 10:55:10,612 INFO L137 encePairwiseOnDemand]: 626/633 looper letters, 117 selfloop transitions, 5 changer transitions 0/186 dead transitions. [2022-12-13 10:55:10,612 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 186 transitions, 767 flow [2022-12-13 10:55:10,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 10:55:10,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 10:55:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2025 transitions. [2022-12-13 10:55:10,614 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.533175355450237 [2022-12-13 10:55:10,614 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2025 transitions. [2022-12-13 10:55:10,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2025 transitions. [2022-12-13 10:55:10,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:10,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2025 transitions. [2022-12-13 10:55:10,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 337.5) internal successors, (2025), 6 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:10,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:10,620 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:10,620 INFO L175 Difference]: Start difference. First operand has 129 places, 122 transitions, 382 flow. Second operand 6 states and 2025 transitions. [2022-12-13 10:55:10,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 186 transitions, 767 flow [2022-12-13 10:55:10,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 186 transitions, 743 flow, removed 4 selfloop flow, removed 4 redundant places. [2022-12-13 10:55:10,622 INFO L231 Difference]: Finished difference. Result has 128 places, 120 transitions, 364 flow [2022-12-13 10:55:10,622 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=364, PETRI_PLACES=128, PETRI_TRANSITIONS=120} [2022-12-13 10:55:10,623 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, 1 predicate places. [2022-12-13 10:55:10,623 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 120 transitions, 364 flow [2022-12-13 10:55:10,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 321.3333333333333) internal successors, (1928), 6 states have internal predecessors, (1928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:10,623 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:10,623 INFO L209 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:10,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 10:55:10,624 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:10,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:10,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1082191366, now seen corresponding path program 1 times [2022-12-13 10:55:10,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:10,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711689692] [2022-12-13 10:55:10,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:10,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 10:55:10,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:10,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711689692] [2022-12-13 10:55:10,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711689692] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:10,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:10,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 10:55:10,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211734675] [2022-12-13 10:55:10,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:10,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 10:55:10,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:10,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 10:55:10,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 10:55:11,362 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 633 [2022-12-13 10:55:11,363 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 120 transitions, 364 flow. Second operand has 6 states, 6 states have (on average 321.6666666666667) internal successors, (1930), 6 states have internal predecessors, (1930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:11,363 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:11,363 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 633 [2022-12-13 10:55:11,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:11,641 INFO L130 PetriNetUnfolder]: 822/2097 cut-off events. [2022-12-13 10:55:11,642 INFO L131 PetriNetUnfolder]: For 248/260 co-relation queries the response was YES. [2022-12-13 10:55:11,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3933 conditions, 2097 events. 822/2097 cut-off events. For 248/260 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 14190 event pairs, 155 based on Foata normal form. 0/1937 useless extension candidates. Maximal degree in co-relation 3918. Up to 670 conditions per place. [2022-12-13 10:55:11,648 INFO L137 encePairwiseOnDemand]: 626/633 looper letters, 101 selfloop transitions, 5 changer transitions 0/170 dead transitions. [2022-12-13 10:55:11,648 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 170 transitions, 716 flow [2022-12-13 10:55:11,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 10:55:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 10:55:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2005 transitions. [2022-12-13 10:55:11,651 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5279094260136914 [2022-12-13 10:55:11,651 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2005 transitions. [2022-12-13 10:55:11,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2005 transitions. [2022-12-13 10:55:11,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:11,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2005 transitions. [2022-12-13 10:55:11,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 334.1666666666667) internal successors, (2005), 6 states have internal predecessors, (2005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:11,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:11,656 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:11,656 INFO L175 Difference]: Start difference. First operand has 128 places, 120 transitions, 364 flow. Second operand 6 states and 2005 transitions. [2022-12-13 10:55:11,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 170 transitions, 716 flow [2022-12-13 10:55:11,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 170 transitions, 698 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 10:55:11,659 INFO L231 Difference]: Finished difference. Result has 126 places, 118 transitions, 360 flow [2022-12-13 10:55:11,659 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=360, PETRI_PLACES=126, PETRI_TRANSITIONS=118} [2022-12-13 10:55:11,659 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -1 predicate places. [2022-12-13 10:55:11,659 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 118 transitions, 360 flow [2022-12-13 10:55:11,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 321.6666666666667) internal successors, (1930), 6 states have internal predecessors, (1930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:11,660 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:11,660 INFO L209 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:11,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 10:55:11,660 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:11,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:11,660 INFO L85 PathProgramCache]: Analyzing trace with hash 140066032, now seen corresponding path program 1 times [2022-12-13 10:55:11,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:11,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380654504] [2022-12-13 10:55:11,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:11,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:11,978 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 10:55:11,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:11,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380654504] [2022-12-13 10:55:11,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380654504] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:11,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:11,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 10:55:11,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085915064] [2022-12-13 10:55:11,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:11,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 10:55:11,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:11,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 10:55:11,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 10:55:12,351 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 633 [2022-12-13 10:55:12,352 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 118 transitions, 360 flow. Second operand has 6 states, 6 states have (on average 329.0) internal successors, (1974), 6 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:12,352 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:12,352 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 633 [2022-12-13 10:55:12,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:12,625 INFO L130 PetriNetUnfolder]: 562/1648 cut-off events. [2022-12-13 10:55:12,625 INFO L131 PetriNetUnfolder]: For 174/182 co-relation queries the response was YES. [2022-12-13 10:55:12,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3014 conditions, 1648 events. 562/1648 cut-off events. For 174/182 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 11302 event pairs, 253 based on Foata normal form. 0/1490 useless extension candidates. Maximal degree in co-relation 2999. Up to 723 conditions per place. [2022-12-13 10:55:12,631 INFO L137 encePairwiseOnDemand]: 628/633 looper letters, 90 selfloop transitions, 4 changer transitions 8/169 dead transitions. [2022-12-13 10:55:12,631 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 169 transitions, 690 flow [2022-12-13 10:55:12,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 10:55:12,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 10:55:12,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2046 transitions. [2022-12-13 10:55:12,634 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5387045813586098 [2022-12-13 10:55:12,634 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2046 transitions. [2022-12-13 10:55:12,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2046 transitions. [2022-12-13 10:55:12,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:12,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2046 transitions. [2022-12-13 10:55:12,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:12,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:12,639 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:12,639 INFO L175 Difference]: Start difference. First operand has 126 places, 118 transitions, 360 flow. Second operand 6 states and 2046 transitions. [2022-12-13 10:55:12,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 169 transitions, 690 flow [2022-12-13 10:55:12,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 169 transitions, 664 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 10:55:12,642 INFO L231 Difference]: Finished difference. Result has 125 places, 117 transitions, 356 flow [2022-12-13 10:55:12,642 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=356, PETRI_PLACES=125, PETRI_TRANSITIONS=117} [2022-12-13 10:55:12,643 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -2 predicate places. [2022-12-13 10:55:12,643 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 117 transitions, 356 flow [2022-12-13 10:55:12,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 329.0) internal successors, (1974), 6 states have internal predecessors, (1974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:12,643 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:12,643 INFO L209 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:12,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 10:55:12,644 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:12,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:12,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1803873065, now seen corresponding path program 1 times [2022-12-13 10:55:12,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:12,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744873145] [2022-12-13 10:55:12,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:12,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:12,959 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 10:55:12,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:12,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744873145] [2022-12-13 10:55:12,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744873145] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:12,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:12,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 10:55:12,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545461495] [2022-12-13 10:55:12,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:12,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 10:55:12,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:12,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 10:55:12,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 10:55:13,359 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 633 [2022-12-13 10:55:13,361 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 117 transitions, 356 flow. Second operand has 6 states, 6 states have (on average 321.8333333333333) internal successors, (1931), 6 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:13,361 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:13,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 633 [2022-12-13 10:55:13,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:13,629 INFO L130 PetriNetUnfolder]: 675/1721 cut-off events. [2022-12-13 10:55:13,629 INFO L131 PetriNetUnfolder]: For 179/187 co-relation queries the response was YES. [2022-12-13 10:55:13,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3204 conditions, 1721 events. 675/1721 cut-off events. For 179/187 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 11347 event pairs, 165 based on Foata normal form. 0/1551 useless extension candidates. Maximal degree in co-relation 3189. Up to 483 conditions per place. [2022-12-13 10:55:13,635 INFO L137 encePairwiseOnDemand]: 626/633 looper letters, 96 selfloop transitions, 5 changer transitions 0/163 dead transitions. [2022-12-13 10:55:13,635 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 163 transitions, 678 flow [2022-12-13 10:55:13,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 10:55:13,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 10:55:13,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2004 transitions. [2022-12-13 10:55:13,637 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5276461295418642 [2022-12-13 10:55:13,637 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2004 transitions. [2022-12-13 10:55:13,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2004 transitions. [2022-12-13 10:55:13,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:13,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2004 transitions. [2022-12-13 10:55:13,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 334.0) internal successors, (2004), 6 states have internal predecessors, (2004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:13,641 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:13,642 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:13,642 INFO L175 Difference]: Start difference. First operand has 125 places, 117 transitions, 356 flow. Second operand 6 states and 2004 transitions. [2022-12-13 10:55:13,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 163 transitions, 678 flow [2022-12-13 10:55:13,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 163 transitions, 663 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 10:55:13,644 INFO L231 Difference]: Finished difference. Result has 124 places, 115 transitions, 355 flow [2022-12-13 10:55:13,644 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=355, PETRI_PLACES=124, PETRI_TRANSITIONS=115} [2022-12-13 10:55:13,645 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2022-12-13 10:55:13,645 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 115 transitions, 355 flow [2022-12-13 10:55:13,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 321.8333333333333) internal successors, (1931), 6 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:13,645 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:55:13,645 INFO L209 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:13,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 10:55:13,645 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 10:55:13,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:55:13,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1005405692, now seen corresponding path program 1 times [2022-12-13 10:55:13,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:55:13,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833605742] [2022-12-13 10:55:13,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:55:13,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:55:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:55:13,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-13 10:55:13,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:55:13,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833605742] [2022-12-13 10:55:13,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833605742] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:55:13,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:55:13,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 10:55:13,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566122485] [2022-12-13 10:55:13,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:55:13,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 10:55:13,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:55:13,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 10:55:13,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 10:55:14,327 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 633 [2022-12-13 10:55:14,328 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 115 transitions, 355 flow. Second operand has 6 states, 6 states have (on average 321.3333333333333) internal successors, (1928), 6 states have internal predecessors, (1928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:14,328 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:55:14,328 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 633 [2022-12-13 10:55:14,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:55:14,685 INFO L130 PetriNetUnfolder]: 883/2334 cut-off events. [2022-12-13 10:55:14,685 INFO L131 PetriNetUnfolder]: For 219/225 co-relation queries the response was YES. [2022-12-13 10:55:14,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4290 conditions, 2334 events. 883/2334 cut-off events. For 219/225 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 16009 event pairs, 196 based on Foata normal form. 0/2160 useless extension candidates. Maximal degree in co-relation 4275. Up to 701 conditions per place. [2022-12-13 10:55:14,690 INFO L137 encePairwiseOnDemand]: 626/633 looper letters, 0 selfloop transitions, 0 changer transitions 179/179 dead transitions. [2022-12-13 10:55:14,690 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 179 transitions, 754 flow [2022-12-13 10:55:14,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 10:55:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 10:55:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2024 transitions. [2022-12-13 10:55:14,692 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5329120589784097 [2022-12-13 10:55:14,692 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2024 transitions. [2022-12-13 10:55:14,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2024 transitions. [2022-12-13 10:55:14,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 10:55:14,693 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2024 transitions. [2022-12-13 10:55:14,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 337.3333333333333) internal successors, (2024), 6 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:14,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:14,697 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:14,697 INFO L175 Difference]: Start difference. First operand has 124 places, 115 transitions, 355 flow. Second operand 6 states and 2024 transitions. [2022-12-13 10:55:14,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 179 transitions, 754 flow [2022-12-13 10:55:14,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 179 transitions, 728 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 10:55:14,699 INFO L231 Difference]: Finished difference. Result has 122 places, 0 transitions, 0 flow [2022-12-13 10:55:14,699 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=122, PETRI_TRANSITIONS=0} [2022-12-13 10:55:14,699 INFO L288 CegarLoopForPetriNet]: 127 programPoint places, -5 predicate places. [2022-12-13 10:55:14,699 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 0 transitions, 0 flow [2022-12-13 10:55:14,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 321.3333333333333) internal successors, (1928), 6 states have internal predecessors, (1928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 10:55:14,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2022-12-13 10:55:14,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2022-12-13 10:55:14,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2022-12-13 10:55:14,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2022-12-13 10:55:14,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2022-12-13 10:55:14,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2022-12-13 10:55:14,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2022-12-13 10:55:14,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2022-12-13 10:55:14,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2022-12-13 10:55:14,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2022-12-13 10:55:14,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2022-12-13 10:55:14,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2022-12-13 10:55:14,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2022-12-13 10:55:14,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2022-12-13 10:55:14,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2022-12-13 10:55:14,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 10:55:14,705 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:55:14,709 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 10:55:14,709 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 10:55:14,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:55:14 BasicIcfg [2022-12-13 10:55:14,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 10:55:14,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 10:55:14,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 10:55:14,712 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 10:55:14,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:54:58" (3/4) ... [2022-12-13 10:55:14,714 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 10:55:14,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 10:55:14,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 10:55:14,721 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-13 10:55:14,722 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 10:55:14,722 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 10:55:14,722 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 10:55:14,747 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 10:55:14,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 10:55:14,747 INFO L158 Benchmark]: Toolchain (without parser) took 17396.70ms. Allocated memory was 144.7MB in the beginning and 285.2MB in the end (delta: 140.5MB). Free memory was 107.7MB in the beginning and 92.4MB in the end (delta: 15.3MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. [2022-12-13 10:55:14,748 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 10:55:14,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.95ms. Allocated memory is still 144.7MB. Free memory was 107.3MB in the beginning and 95.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 10:55:14,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.39ms. Allocated memory is still 144.7MB. Free memory was 95.2MB in the beginning and 91.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 10:55:14,748 INFO L158 Benchmark]: Boogie Preprocessor took 29.11ms. Allocated memory is still 144.7MB. Free memory was 91.9MB in the beginning and 88.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 10:55:14,748 INFO L158 Benchmark]: RCFGBuilder took 581.11ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 58.8MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 10:55:14,749 INFO L158 Benchmark]: TraceAbstraction took 16500.35ms. Allocated memory was 144.7MB in the beginning and 285.2MB in the end (delta: 140.5MB). Free memory was 58.3MB in the beginning and 96.6MB in the end (delta: -38.3MB). Peak memory consumption was 147.8MB. Max. memory is 16.1GB. [2022-12-13 10:55:14,749 INFO L158 Benchmark]: Witness Printer took 35.32ms. Allocated memory is still 285.2MB. Free memory was 96.6MB in the beginning and 92.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 10:55:14,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.95ms. Allocated memory is still 144.7MB. Free memory was 107.3MB in the beginning and 95.2MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.39ms. Allocated memory is still 144.7MB. Free memory was 95.2MB in the beginning and 91.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.11ms. Allocated memory is still 144.7MB. Free memory was 91.9MB in the beginning and 88.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.11ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 58.8MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 16500.35ms. Allocated memory was 144.7MB in the beginning and 285.2MB in the end (delta: 140.5MB). Free memory was 58.3MB in the beginning and 96.6MB in the end (delta: -38.3MB). Peak memory consumption was 147.8MB. Max. memory is 16.1GB. * Witness Printer took 35.32ms. Allocated memory is still 285.2MB. Free memory was 96.6MB in the beginning and 92.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.1s, 328 PlacesBefore, 127 PlacesAfterwards, 339 TransitionsBefore, 130 TransitionsAfterwards, 18860 CoEnabledTransitionPairs, 7 FixpointIterations, 145 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 19 ConcurrentYvCompositions, 8 ChoiceCompositions, 274 TotalNumberOfCompositions, 120175 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26302, independent: 24735, independent conditional: 0, independent unconditional: 24735, dependent: 1567, dependent conditional: 0, dependent unconditional: 1567, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8615, independent: 8450, independent conditional: 0, independent unconditional: 8450, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26302, independent: 16285, independent conditional: 0, independent unconditional: 16285, dependent: 1402, dependent conditional: 0, dependent unconditional: 1402, unknown: 8615, unknown conditional: 0, unknown unconditional: 8615] , Statistics on independence cache: Total cache size (in pairs): 1371, Positive cache size: 1269, Positive conditional cache size: 0, Positive unconditional cache size: 1269, Negative cache size: 102, Negative conditional cache size: 0, Negative unconditional cache size: 102, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 499 locations, 56 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 16.3s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2815 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1745 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 1147 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6258 IncrementalHoareTripleChecker+Invalid, 7405 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1147 mSolverCounterUnsat, 113 mSDtfsCounter, 6258 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=9, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 322 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 340 ConstructedInterpolants, 0 QuantifiedInterpolants, 1155 SizeOfPredicates, 2 NumberOfNonLiveVariables, 713 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 237/280 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 10:55:14,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88cf6a1b-fa4c-4e3a-9cd4-0d6aef28287f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE