./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/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_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/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_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/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 3c2ccb27a3ce50ce458a10a4aa8fbbd4d9c9d88060b8c7df98385ed8946afbfa --- 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 21:23:52,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:23:52,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:23:53,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:23:53,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:23:53,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:23:53,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:23:53,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:23:53,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:23:53,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:23:53,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:23:53,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:23:53,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:23:53,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:23:53,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:23:53,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:23:53,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:23:53,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:23:53,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:23:53,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:23:53,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:23:53,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:23:53,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:23:53,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:23:53,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:23:53,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:23:53,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:23:53,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:23:53,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:23:53,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:23:53,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:23:53,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:23:53,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:23:53,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:23:53,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:23:53,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:23:53,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:23:53,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:23:53,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:23:53,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:23:53,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:23:53,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 21:23:53,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:23:53,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:23:53,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:23:53,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:23:53,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:23:53,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:23:53,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:23:53,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:23:53,059 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:23:53,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:23:53,059 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:23:53,059 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:23:53,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:23:53,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:23:53,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:23:53,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:23:53,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:23:53,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:23:53,060 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 21:23:53,060 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:23:53,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:23:53,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:23:53,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:23:53,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:23:53,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:23:53,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:23:53,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:23:53,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:23:53,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:23:53,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:23:53,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:23:53,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:23:53,062 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:23:53,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:23:53,063 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:23:53,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:23:53,063 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:23:53,063 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_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c2ccb27a3ce50ce458a10a4aa8fbbd4d9c9d88060b8c7df98385ed8946afbfa [2022-12-13 21:23:53,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:23:53,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:23:53,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:23:53,264 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:23:53,265 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:23:53,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2022-12-13 21:23:55,810 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:23:55,967 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:23:55,968 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2022-12-13 21:23:55,973 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/data/6d7c6f5b5/21b8b187c9b24ffb9e68d7a642340191/FLAG2faaff67b [2022-12-13 21:23:55,983 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/data/6d7c6f5b5/21b8b187c9b24ffb9e68d7a642340191 [2022-12-13 21:23:55,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:23:55,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:23:55,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:23:55,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:23:55,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:23:55,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:23:55" (1/1) ... [2022-12-13 21:23:55,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b295930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:55, skipping insertion in model container [2022-12-13 21:23:55,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:23:55" (1/1) ... [2022-12-13 21:23:56,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:23:56,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:23:56,191 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_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/sv-benchmarks/c/weaver/chl-match-subst.wvr.c[3017,3030] [2022-12-13 21:23:56,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:23:56,204 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:23:56,256 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_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/sv-benchmarks/c/weaver/chl-match-subst.wvr.c[3017,3030] [2022-12-13 21:23:56,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:23:56,268 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:23:56,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56 WrapperNode [2022-12-13 21:23:56,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:23:56,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:23:56,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:23:56,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:23:56,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (1/1) ... [2022-12-13 21:23:56,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (1/1) ... [2022-12-13 21:23:56,312 INFO L138 Inliner]: procedures = 23, calls = 34, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 343 [2022-12-13 21:23:56,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:23:56,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:23:56,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:23:56,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:23:56,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (1/1) ... [2022-12-13 21:23:56,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (1/1) ... [2022-12-13 21:23:56,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (1/1) ... [2022-12-13 21:23:56,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (1/1) ... [2022-12-13 21:23:56,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (1/1) ... [2022-12-13 21:23:56,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (1/1) ... [2022-12-13 21:23:56,343 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (1/1) ... [2022-12-13 21:23:56,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (1/1) ... [2022-12-13 21:23:56,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:23:56,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:23:56,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:23:56,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:23:56,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (1/1) ... [2022-12-13 21:23:56,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:23:56,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:23:56,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:23:56,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:23:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:23:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 21:23:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 21:23:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 21:23:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 21:23:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 21:23:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 21:23:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:23:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:23:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:23:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:23:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:23:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:23:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:23:56,414 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 21:23:56,510 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:23:56,512 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:23:56,925 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:23:56,938 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:23:56,938 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 21:23:56,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:23:56 BoogieIcfgContainer [2022-12-13 21:23:56,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:23:56,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:23:56,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:23:56,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:23:56,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:23:55" (1/3) ... [2022-12-13 21:23:56,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415352a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:23:56, skipping insertion in model container [2022-12-13 21:23:56,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:23:56" (2/3) ... [2022-12-13 21:23:56,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415352a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:23:56, skipping insertion in model container [2022-12-13 21:23:56,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:23:56" (3/3) ... [2022-12-13 21:23:56,950 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c [2022-12-13 21:23:56,959 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 21:23:56,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:23:56,970 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-12-13 21:23:56,970 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:23:57,052 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 21:23:57,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 465 places, 473 transitions, 970 flow [2022-12-13 21:23:57,240 INFO L130 PetriNetUnfolder]: 18/470 cut-off events. [2022-12-13 21:23:57,240 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 21:23:57,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 470 events. 18/470 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 813 event pairs, 0 based on Foata normal form. 0/408 useless extension candidates. Maximal degree in co-relation 308. Up to 2 conditions per place. [2022-12-13 21:23:57,250 INFO L82 GeneralOperation]: Start removeDead. Operand has 465 places, 473 transitions, 970 flow [2022-12-13 21:23:57,259 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 441 places, 447 transitions, 912 flow [2022-12-13 21:23:57,262 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:23:57,271 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 441 places, 447 transitions, 912 flow [2022-12-13 21:23:57,273 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 441 places, 447 transitions, 912 flow [2022-12-13 21:23:57,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 441 places, 447 transitions, 912 flow [2022-12-13 21:23:57,365 INFO L130 PetriNetUnfolder]: 16/447 cut-off events. [2022-12-13 21:23:57,365 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 21:23:57,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 447 events. 16/447 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 797 event pairs, 0 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 308. Up to 2 conditions per place. [2022-12-13 21:23:57,392 INFO L119 LiptonReduction]: Number of co-enabled transitions 65286 [2022-12-13 21:24:04,255 INFO L134 LiptonReduction]: Checked pairs total: 168964 [2022-12-13 21:24:04,255 INFO L136 LiptonReduction]: Total number of compositions: 463 [2022-12-13 21:24:04,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:24:04,270 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;@669c33ae, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:24:04,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2022-12-13 21:24:04,271 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 21:24:04,271 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:24:04,271 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:04,272 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 21:24:04,272 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:04,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:04,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1785, now seen corresponding path program 1 times [2022-12-13 21:24:04,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:04,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735341685] [2022-12-13 21:24:04,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:04,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:04,352 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 21:24:04,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:04,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735341685] [2022-12-13 21:24:04,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735341685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:04,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:04,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 21:24:04,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577444185] [2022-12-13 21:24:04,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:04,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:24:04,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:04,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:24:04,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:24:04,378 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 452 out of 936 [2022-12-13 21:24:04,381 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 111 transitions, 240 flow. Second operand has 2 states, 2 states have (on average 452.5) internal successors, (905), 2 states have internal predecessors, (905), 0 states have call successors, (0), 0 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 21:24:04,381 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:04,381 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 452 of 936 [2022-12-13 21:24:04,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:04,998 INFO L130 PetriNetUnfolder]: 3105/6736 cut-off events. [2022-12-13 21:24:04,999 INFO L131 PetriNetUnfolder]: For 169/169 co-relation queries the response was YES. [2022-12-13 21:24:05,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11379 conditions, 6736 events. 3105/6736 cut-off events. For 169/169 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 57087 event pairs, 2653 based on Foata normal form. 139/5691 useless extension candidates. Maximal degree in co-relation 10461. Up to 4420 conditions per place. [2022-12-13 21:24:05,048 INFO L137 encePairwiseOnDemand]: 917/936 looper letters, 35 selfloop transitions, 0 changer transitions 1/92 dead transitions. [2022-12-13 21:24:05,048 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 92 transitions, 274 flow [2022-12-13 21:24:05,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:24:05,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 21:24:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 959 transitions. [2022-12-13 21:24:05,064 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5122863247863247 [2022-12-13 21:24:05,065 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 959 transitions. [2022-12-13 21:24:05,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 959 transitions. [2022-12-13 21:24:05,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:05,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 959 transitions. [2022-12-13 21:24:05,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 479.5) internal successors, (959), 2 states have internal predecessors, (959), 0 states have call successors, (0), 0 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 21:24:05,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 936.0) internal successors, (2808), 3 states have internal predecessors, (2808), 0 states have call successors, (0), 0 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 21:24:05,085 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 936.0) internal successors, (2808), 3 states have internal predecessors, (2808), 0 states have call successors, (0), 0 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 21:24:05,087 INFO L175 Difference]: Start difference. First operand has 117 places, 111 transitions, 240 flow. Second operand 2 states and 959 transitions. [2022-12-13 21:24:05,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 92 transitions, 274 flow [2022-12-13 21:24:05,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 92 transitions, 262 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 21:24:05,095 INFO L231 Difference]: Finished difference. Result has 94 places, 91 transitions, 187 flow [2022-12-13 21:24:05,097 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=187, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2022-12-13 21:24:05,100 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -23 predicate places. [2022-12-13 21:24:05,100 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 187 flow [2022-12-13 21:24:05,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 452.5) internal successors, (905), 2 states have internal predecessors, (905), 0 states have call successors, (0), 0 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 21:24:05,101 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:05,101 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 21:24:05,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:24:05,102 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:05,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:05,102 INFO L85 PathProgramCache]: Analyzing trace with hash 54905741, now seen corresponding path program 1 times [2022-12-13 21:24:05,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:05,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185125734] [2022-12-13 21:24:05,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:05,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:24:05,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:05,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185125734] [2022-12-13 21:24:05,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185125734] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:05,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:05,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:24:05,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337107535] [2022-12-13 21:24:05,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:05,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:24:05,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:05,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:24:05,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:24:05,184 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 936 [2022-12-13 21:24:05,187 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 0 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 21:24:05,187 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:05,187 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 936 [2022-12-13 21:24:05,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:06,027 INFO L130 PetriNetUnfolder]: 4757/10417 cut-off events. [2022-12-13 21:24:06,027 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-13 21:24:06,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17285 conditions, 10417 events. 4757/10417 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 94550 event pairs, 1447 based on Foata normal form. 0/9132 useless extension candidates. Maximal degree in co-relation 17282. Up to 6724 conditions per place. [2022-12-13 21:24:06,081 INFO L137 encePairwiseOnDemand]: 932/936 looper letters, 52 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2022-12-13 21:24:06,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 104 transitions, 323 flow [2022-12-13 21:24:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:24:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:24:06,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1391 transitions. [2022-12-13 21:24:06,086 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49537037037037035 [2022-12-13 21:24:06,086 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1391 transitions. [2022-12-13 21:24:06,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1391 transitions. [2022-12-13 21:24:06,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:06,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1391 transitions. [2022-12-13 21:24:06,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 463.6666666666667) internal successors, (1391), 3 states have internal predecessors, (1391), 0 states have call successors, (0), 0 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 21:24:06,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:06,099 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:06,099 INFO L175 Difference]: Start difference. First operand has 94 places, 91 transitions, 187 flow. Second operand 3 states and 1391 transitions. [2022-12-13 21:24:06,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 104 transitions, 323 flow [2022-12-13 21:24:06,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 104 transitions, 323 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:24:06,102 INFO L231 Difference]: Finished difference. Result has 94 places, 91 transitions, 197 flow [2022-12-13 21:24:06,102 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2022-12-13 21:24:06,103 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -23 predicate places. [2022-12-13 21:24:06,103 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 197 flow [2022-12-13 21:24:06,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 0 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 21:24:06,104 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:06,104 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 21:24:06,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:24:06,104 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:06,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:06,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1224843247, now seen corresponding path program 1 times [2022-12-13 21:24:06,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:06,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97266212] [2022-12-13 21:24:06,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:06,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:06,147 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 21:24:06,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:06,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97266212] [2022-12-13 21:24:06,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97266212] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:06,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:06,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:24:06,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827158628] [2022-12-13 21:24:06,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:06,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:24:06,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:06,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:24:06,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:24:06,161 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 936 [2022-12-13 21:24:06,164 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 0 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 21:24:06,164 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:06,164 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 936 [2022-12-13 21:24:06,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:06,894 INFO L130 PetriNetUnfolder]: 4114/9116 cut-off events. [2022-12-13 21:24:06,894 INFO L131 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2022-12-13 21:24:06,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15119 conditions, 9116 events. 4114/9116 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 380. Compared 80906 event pairs, 2473 based on Foata normal form. 0/7656 useless extension candidates. Maximal degree in co-relation 15115. Up to 5864 conditions per place. [2022-12-13 21:24:06,929 INFO L137 encePairwiseOnDemand]: 932/936 looper letters, 50 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2022-12-13 21:24:06,929 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 104 transitions, 329 flow [2022-12-13 21:24:06,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:24:06,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:24:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1389 transitions. [2022-12-13 21:24:06,932 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4946581196581197 [2022-12-13 21:24:06,932 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1389 transitions. [2022-12-13 21:24:06,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1389 transitions. [2022-12-13 21:24:06,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:06,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1389 transitions. [2022-12-13 21:24:06,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 463.0) internal successors, (1389), 3 states have internal predecessors, (1389), 0 states have call successors, (0), 0 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 21:24:06,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:06,940 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:06,940 INFO L175 Difference]: Start difference. First operand has 94 places, 91 transitions, 197 flow. Second operand 3 states and 1389 transitions. [2022-12-13 21:24:06,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 104 transitions, 329 flow [2022-12-13 21:24:06,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 104 transitions, 329 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:24:06,941 INFO L231 Difference]: Finished difference. Result has 95 places, 91 transitions, 207 flow [2022-12-13 21:24:06,942 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=207, PETRI_PLACES=95, PETRI_TRANSITIONS=91} [2022-12-13 21:24:06,942 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -22 predicate places. [2022-12-13 21:24:06,942 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 91 transitions, 207 flow [2022-12-13 21:24:06,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 446.3333333333333) internal successors, (1339), 3 states have internal predecessors, (1339), 0 states have call successors, (0), 0 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 21:24:06,943 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:06,943 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:06,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:24:06,943 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:06,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:06,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1557675075, now seen corresponding path program 1 times [2022-12-13 21:24:06,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:06,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144064198] [2022-12-13 21:24:06,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:06,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:06,980 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 21:24:06,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:06,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144064198] [2022-12-13 21:24:06,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144064198] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:06,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:06,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:24:06,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557283285] [2022-12-13 21:24:06,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:06,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:24:06,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:06,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:24:06,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:24:06,993 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 936 [2022-12-13 21:24:06,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 91 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 447.6666666666667) internal successors, (1343), 3 states have internal predecessors, (1343), 0 states have call successors, (0), 0 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 21:24:06,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:06,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 936 [2022-12-13 21:24:06,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:07,716 INFO L130 PetriNetUnfolder]: 4741/10705 cut-off events. [2022-12-13 21:24:07,717 INFO L131 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2022-12-13 21:24:07,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17652 conditions, 10705 events. 4741/10705 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 99115 event pairs, 2795 based on Foata normal form. 0/9060 useless extension candidates. Maximal degree in co-relation 17647. Up to 6572 conditions per place. [2022-12-13 21:24:07,761 INFO L137 encePairwiseOnDemand]: 932/936 looper letters, 52 selfloop transitions, 2 changer transitions 0/105 dead transitions. [2022-12-13 21:24:07,761 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 105 transitions, 345 flow [2022-12-13 21:24:07,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:24:07,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:24:07,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1391 transitions. [2022-12-13 21:24:07,765 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49537037037037035 [2022-12-13 21:24:07,765 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1391 transitions. [2022-12-13 21:24:07,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1391 transitions. [2022-12-13 21:24:07,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:07,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1391 transitions. [2022-12-13 21:24:07,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 463.6666666666667) internal successors, (1391), 3 states have internal predecessors, (1391), 0 states have call successors, (0), 0 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 21:24:07,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:07,774 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:07,774 INFO L175 Difference]: Start difference. First operand has 95 places, 91 transitions, 207 flow. Second operand 3 states and 1391 transitions. [2022-12-13 21:24:07,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 105 transitions, 345 flow [2022-12-13 21:24:07,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 105 transitions, 345 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:24:07,776 INFO L231 Difference]: Finished difference. Result has 96 places, 91 transitions, 217 flow [2022-12-13 21:24:07,776 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=217, PETRI_PLACES=96, PETRI_TRANSITIONS=91} [2022-12-13 21:24:07,777 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -21 predicate places. [2022-12-13 21:24:07,777 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 91 transitions, 217 flow [2022-12-13 21:24:07,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.6666666666667) internal successors, (1343), 3 states have internal predecessors, (1343), 0 states have call successors, (0), 0 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 21:24:07,778 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:07,778 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:07,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:24:07,778 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:07,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:07,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2017799579, now seen corresponding path program 1 times [2022-12-13 21:24:07,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:07,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352806276] [2022-12-13 21:24:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:07,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:07,817 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 21:24:07,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:07,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352806276] [2022-12-13 21:24:07,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352806276] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:07,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:07,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:24:07,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159116939] [2022-12-13 21:24:07,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:07,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:24:07,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:07,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:24:07,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:24:07,830 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 936 [2022-12-13 21:24:07,833 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 91 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 447.6666666666667) internal successors, (1343), 3 states have internal predecessors, (1343), 0 states have call successors, (0), 0 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 21:24:07,833 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:07,833 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 936 [2022-12-13 21:24:07,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:08,672 INFO L130 PetriNetUnfolder]: 4505/9729 cut-off events. [2022-12-13 21:24:08,672 INFO L131 PetriNetUnfolder]: For 185/185 co-relation queries the response was YES. [2022-12-13 21:24:08,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16605 conditions, 9729 events. 4505/9729 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 87134 event pairs, 991 based on Foata normal form. 0/8256 useless extension candidates. Maximal degree in co-relation 16599. Up to 6140 conditions per place. [2022-12-13 21:24:08,704 INFO L137 encePairwiseOnDemand]: 932/936 looper letters, 53 selfloop transitions, 2 changer transitions 0/106 dead transitions. [2022-12-13 21:24:08,704 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 106 transitions, 361 flow [2022-12-13 21:24:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:24:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:24:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1391 transitions. [2022-12-13 21:24:08,707 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49537037037037035 [2022-12-13 21:24:08,707 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1391 transitions. [2022-12-13 21:24:08,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1391 transitions. [2022-12-13 21:24:08,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:08,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1391 transitions. [2022-12-13 21:24:08,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 463.6666666666667) internal successors, (1391), 3 states have internal predecessors, (1391), 0 states have call successors, (0), 0 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 21:24:08,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:08,714 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:08,714 INFO L175 Difference]: Start difference. First operand has 96 places, 91 transitions, 217 flow. Second operand 3 states and 1391 transitions. [2022-12-13 21:24:08,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 106 transitions, 361 flow [2022-12-13 21:24:08,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 106 transitions, 361 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:24:08,716 INFO L231 Difference]: Finished difference. Result has 97 places, 91 transitions, 227 flow [2022-12-13 21:24:08,716 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=227, PETRI_PLACES=97, PETRI_TRANSITIONS=91} [2022-12-13 21:24:08,716 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -20 predicate places. [2022-12-13 21:24:08,716 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 91 transitions, 227 flow [2022-12-13 21:24:08,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.6666666666667) internal successors, (1343), 3 states have internal predecessors, (1343), 0 states have call successors, (0), 0 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 21:24:08,717 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:08,717 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:08,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:24:08,717 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:08,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:08,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1042929017, now seen corresponding path program 1 times [2022-12-13 21:24:08,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:08,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600340850] [2022-12-13 21:24:08,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:08,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:08,766 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 21:24:08,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:08,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600340850] [2022-12-13 21:24:08,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600340850] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:08,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:08,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:24:08,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492647078] [2022-12-13 21:24:08,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:08,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:24:08,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:08,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:24:08,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:24:08,779 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 936 [2022-12-13 21:24:08,780 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 91 transitions, 227 flow. Second operand has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 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 21:24:08,781 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:08,781 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 936 [2022-12-13 21:24:08,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:09,486 INFO L130 PetriNetUnfolder]: 4768/10220 cut-off events. [2022-12-13 21:24:09,487 INFO L131 PetriNetUnfolder]: For 291/291 co-relation queries the response was YES. [2022-12-13 21:24:09,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17593 conditions, 10220 events. 4768/10220 cut-off events. For 291/291 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 91448 event pairs, 1153 based on Foata normal form. 0/8734 useless extension candidates. Maximal degree in co-relation 17586. Up to 6533 conditions per place. [2022-12-13 21:24:09,519 INFO L137 encePairwiseOnDemand]: 932/936 looper letters, 54 selfloop transitions, 2 changer transitions 0/107 dead transitions. [2022-12-13 21:24:09,519 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 107 transitions, 378 flow [2022-12-13 21:24:09,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:24:09,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:24:09,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1391 transitions. [2022-12-13 21:24:09,521 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49537037037037035 [2022-12-13 21:24:09,521 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1391 transitions. [2022-12-13 21:24:09,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1391 transitions. [2022-12-13 21:24:09,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:09,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1391 transitions. [2022-12-13 21:24:09,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 463.6666666666667) internal successors, (1391), 3 states have internal predecessors, (1391), 0 states have call successors, (0), 0 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 21:24:09,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:09,527 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:09,527 INFO L175 Difference]: Start difference. First operand has 97 places, 91 transitions, 227 flow. Second operand 3 states and 1391 transitions. [2022-12-13 21:24:09,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 107 transitions, 378 flow [2022-12-13 21:24:09,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 107 transitions, 378 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:24:09,529 INFO L231 Difference]: Finished difference. Result has 98 places, 91 transitions, 237 flow [2022-12-13 21:24:09,529 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=237, PETRI_PLACES=98, PETRI_TRANSITIONS=91} [2022-12-13 21:24:09,530 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -19 predicate places. [2022-12-13 21:24:09,530 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 91 transitions, 237 flow [2022-12-13 21:24:09,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.3333333333333) internal successors, (1342), 3 states have internal predecessors, (1342), 0 states have call successors, (0), 0 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 21:24:09,530 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:09,530 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:09,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 21:24:09,531 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:09,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:09,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1527443131, now seen corresponding path program 1 times [2022-12-13 21:24:09,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:09,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583152713] [2022-12-13 21:24:09,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:09,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:09,558 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 21:24:09,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:09,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583152713] [2022-12-13 21:24:09,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583152713] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:09,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:09,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:24:09,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815934099] [2022-12-13 21:24:09,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:09,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:24:09,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:09,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:24:09,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:24:09,567 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 936 [2022-12-13 21:24:09,568 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 91 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 447.6666666666667) internal successors, (1343), 3 states have internal predecessors, (1343), 0 states have call successors, (0), 0 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 21:24:09,568 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:09,568 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 936 [2022-12-13 21:24:09,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:10,254 INFO L130 PetriNetUnfolder]: 4768/10336 cut-off events. [2022-12-13 21:24:10,254 INFO L131 PetriNetUnfolder]: For 704/704 co-relation queries the response was YES. [2022-12-13 21:24:10,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18286 conditions, 10336 events. 4768/10336 cut-off events. For 704/704 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 92475 event pairs, 1130 based on Foata normal form. 0/8807 useless extension candidates. Maximal degree in co-relation 18278. Up to 6100 conditions per place. [2022-12-13 21:24:10,289 INFO L137 encePairwiseOnDemand]: 932/936 looper letters, 58 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2022-12-13 21:24:10,289 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 109 transitions, 404 flow [2022-12-13 21:24:10,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:24:10,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:24:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1393 transitions. [2022-12-13 21:24:10,292 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4960826210826211 [2022-12-13 21:24:10,292 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1393 transitions. [2022-12-13 21:24:10,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1393 transitions. [2022-12-13 21:24:10,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:10,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1393 transitions. [2022-12-13 21:24:10,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 464.3333333333333) internal successors, (1393), 3 states have internal predecessors, (1393), 0 states have call successors, (0), 0 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 21:24:10,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:10,297 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:10,297 INFO L175 Difference]: Start difference. First operand has 98 places, 91 transitions, 237 flow. Second operand 3 states and 1393 transitions. [2022-12-13 21:24:10,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 109 transitions, 404 flow [2022-12-13 21:24:10,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 109 transitions, 404 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:24:10,299 INFO L231 Difference]: Finished difference. Result has 99 places, 91 transitions, 247 flow [2022-12-13 21:24:10,299 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=247, PETRI_PLACES=99, PETRI_TRANSITIONS=91} [2022-12-13 21:24:10,300 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -18 predicate places. [2022-12-13 21:24:10,300 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 91 transitions, 247 flow [2022-12-13 21:24:10,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.6666666666667) internal successors, (1343), 3 states have internal predecessors, (1343), 0 states have call successors, (0), 0 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 21:24:10,300 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:10,300 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:10,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 21:24:10,301 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:10,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:10,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1095097959, now seen corresponding path program 1 times [2022-12-13 21:24:10,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:10,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817109449] [2022-12-13 21:24:10,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:10,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:10,328 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 21:24:10,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:10,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817109449] [2022-12-13 21:24:10,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817109449] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:10,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:10,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:24:10,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127327330] [2022-12-13 21:24:10,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:10,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:24:10,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:10,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:24:10,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:24:10,342 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 936 [2022-12-13 21:24:10,344 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 91 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 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 21:24:10,344 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:10,344 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 936 [2022-12-13 21:24:10,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:11,482 INFO L130 PetriNetUnfolder]: 7153/13161 cut-off events. [2022-12-13 21:24:11,482 INFO L131 PetriNetUnfolder]: For 869/869 co-relation queries the response was YES. [2022-12-13 21:24:11,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25063 conditions, 13161 events. 7153/13161 cut-off events. For 869/869 co-relation queries the response was YES. Maximal size of possible extension queue 503. Compared 106806 event pairs, 1761 based on Foata normal form. 0/12233 useless extension candidates. Maximal degree in co-relation 25054. Up to 9134 conditions per place. [2022-12-13 21:24:11,550 INFO L137 encePairwiseOnDemand]: 930/936 looper letters, 66 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2022-12-13 21:24:11,550 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 111 transitions, 440 flow [2022-12-13 21:24:11,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:24:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:24:11,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1383 transitions. [2022-12-13 21:24:11,554 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49252136752136755 [2022-12-13 21:24:11,554 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1383 transitions. [2022-12-13 21:24:11,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1383 transitions. [2022-12-13 21:24:11,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:11,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1383 transitions. [2022-12-13 21:24:11,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 461.0) internal successors, (1383), 3 states have internal predecessors, (1383), 0 states have call successors, (0), 0 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 21:24:11,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:11,562 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:11,562 INFO L175 Difference]: Start difference. First operand has 99 places, 91 transitions, 247 flow. Second operand 3 states and 1383 transitions. [2022-12-13 21:24:11,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 111 transitions, 440 flow [2022-12-13 21:24:11,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 111 transitions, 440 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:24:11,564 INFO L231 Difference]: Finished difference. Result has 98 places, 89 transitions, 253 flow [2022-12-13 21:24:11,565 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=98, PETRI_TRANSITIONS=89} [2022-12-13 21:24:11,565 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -19 predicate places. [2022-12-13 21:24:11,565 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 89 transitions, 253 flow [2022-12-13 21:24:11,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.3333333333333) internal successors, (1324), 3 states have internal predecessors, (1324), 0 states have call successors, (0), 0 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 21:24:11,566 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:11,566 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:11,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 21:24:11,567 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:11,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:11,567 INFO L85 PathProgramCache]: Analyzing trace with hash 122186953, now seen corresponding path program 1 times [2022-12-13 21:24:11,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:11,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797183287] [2022-12-13 21:24:11,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:11,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:11,606 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 21:24:11,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:11,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797183287] [2022-12-13 21:24:11,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797183287] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:11,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:11,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:24:11,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719928207] [2022-12-13 21:24:11,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:11,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:24:11,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:11,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:24:11,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:24:11,623 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 936 [2022-12-13 21:24:11,625 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 89 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 441.6666666666667) internal successors, (1325), 3 states have internal predecessors, (1325), 0 states have call successors, (0), 0 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 21:24:11,625 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:11,625 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 936 [2022-12-13 21:24:11,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:12,740 INFO L130 PetriNetUnfolder]: 5883/10937 cut-off events. [2022-12-13 21:24:12,740 INFO L131 PetriNetUnfolder]: For 1219/1219 co-relation queries the response was YES. [2022-12-13 21:24:12,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21658 conditions, 10937 events. 5883/10937 cut-off events. For 1219/1219 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 86177 event pairs, 1520 based on Foata normal form. 0/9940 useless extension candidates. Maximal degree in co-relation 21648. Up to 6811 conditions per place. [2022-12-13 21:24:12,805 INFO L137 encePairwiseOnDemand]: 930/936 looper letters, 68 selfloop transitions, 2 changer transitions 0/111 dead transitions. [2022-12-13 21:24:12,805 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 111 transitions, 461 flow [2022-12-13 21:24:12,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:24:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:24:12,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1382 transitions. [2022-12-13 21:24:12,808 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49216524216524216 [2022-12-13 21:24:12,808 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1382 transitions. [2022-12-13 21:24:12,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1382 transitions. [2022-12-13 21:24:12,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:12,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1382 transitions. [2022-12-13 21:24:12,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 460.6666666666667) internal successors, (1382), 3 states have internal predecessors, (1382), 0 states have call successors, (0), 0 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 21:24:12,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:12,813 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:12,813 INFO L175 Difference]: Start difference. First operand has 98 places, 89 transitions, 253 flow. Second operand 3 states and 1382 transitions. [2022-12-13 21:24:12,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 111 transitions, 461 flow [2022-12-13 21:24:12,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 111 transitions, 461 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:24:12,816 INFO L231 Difference]: Finished difference. Result has 97 places, 87 transitions, 259 flow [2022-12-13 21:24:12,816 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=259, PETRI_PLACES=97, PETRI_TRANSITIONS=87} [2022-12-13 21:24:12,817 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -20 predicate places. [2022-12-13 21:24:12,817 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 87 transitions, 259 flow [2022-12-13 21:24:12,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 441.6666666666667) internal successors, (1325), 3 states have internal predecessors, (1325), 0 states have call successors, (0), 0 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 21:24:12,817 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:12,818 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:12,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 21:24:12,818 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:12,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:12,818 INFO L85 PathProgramCache]: Analyzing trace with hash -507154434, now seen corresponding path program 1 times [2022-12-13 21:24:12,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:12,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655148412] [2022-12-13 21:24:12,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:12,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:12,853 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 21:24:12,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:12,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655148412] [2022-12-13 21:24:12,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655148412] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:12,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:12,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:24:12,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199001339] [2022-12-13 21:24:12,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:12,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:24:12,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:12,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:24:12,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:24:12,863 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 936 [2022-12-13 21:24:12,865 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 87 transitions, 259 flow. Second operand has 3 states, 3 states have (on average 448.6666666666667) internal successors, (1346), 3 states have internal predecessors, (1346), 0 states have call successors, (0), 0 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 21:24:12,865 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:12,865 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 936 [2022-12-13 21:24:12,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:13,523 INFO L130 PetriNetUnfolder]: 4149/8759 cut-off events. [2022-12-13 21:24:13,524 INFO L131 PetriNetUnfolder]: For 1054/1054 co-relation queries the response was YES. [2022-12-13 21:24:13,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17061 conditions, 8759 events. 4149/8759 cut-off events. For 1054/1054 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 73632 event pairs, 2886 based on Foata normal form. 0/7909 useless extension candidates. Maximal degree in co-relation 17050. Up to 5278 conditions per place. [2022-12-13 21:24:13,560 INFO L137 encePairwiseOnDemand]: 932/936 looper letters, 61 selfloop transitions, 3 changer transitions 0/109 dead transitions. [2022-12-13 21:24:13,560 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 109 transitions, 447 flow [2022-12-13 21:24:13,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:24:13,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:24:13,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1395 transitions. [2022-12-13 21:24:13,562 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4967948717948718 [2022-12-13 21:24:13,562 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1395 transitions. [2022-12-13 21:24:13,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1395 transitions. [2022-12-13 21:24:13,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:13,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1395 transitions. [2022-12-13 21:24:13,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 465.0) internal successors, (1395), 3 states have internal predecessors, (1395), 0 states have call successors, (0), 0 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 21:24:13,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:13,567 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:13,568 INFO L175 Difference]: Start difference. First operand has 97 places, 87 transitions, 259 flow. Second operand 3 states and 1395 transitions. [2022-12-13 21:24:13,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 109 transitions, 447 flow [2022-12-13 21:24:13,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 109 transitions, 447 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:24:13,572 INFO L231 Difference]: Finished difference. Result has 98 places, 86 transitions, 263 flow [2022-12-13 21:24:13,572 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=263, PETRI_PLACES=98, PETRI_TRANSITIONS=86} [2022-12-13 21:24:13,573 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -19 predicate places. [2022-12-13 21:24:13,573 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 86 transitions, 263 flow [2022-12-13 21:24:13,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 448.6666666666667) internal successors, (1346), 3 states have internal predecessors, (1346), 0 states have call successors, (0), 0 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 21:24:13,573 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:13,574 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:13,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 21:24:13,574 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:13,574 INFO L85 PathProgramCache]: Analyzing trace with hash 221747441, now seen corresponding path program 1 times [2022-12-13 21:24:13,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:13,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61845202] [2022-12-13 21:24:13,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:13,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:13,601 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 21:24:13,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:13,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61845202] [2022-12-13 21:24:13,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61845202] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:13,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:13,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:24:13,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980171916] [2022-12-13 21:24:13,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:13,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:24:13,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:13,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:24:13,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:24:13,614 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 936 [2022-12-13 21:24:13,615 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 86 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 0 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 21:24:13,615 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:13,615 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 936 [2022-12-13 21:24:13,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:14,471 INFO L130 PetriNetUnfolder]: 6810/11562 cut-off events. [2022-12-13 21:24:14,471 INFO L131 PetriNetUnfolder]: For 2423/2423 co-relation queries the response was YES. [2022-12-13 21:24:14,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25224 conditions, 11562 events. 6810/11562 cut-off events. For 2423/2423 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 81133 event pairs, 1868 based on Foata normal form. 0/10780 useless extension candidates. Maximal degree in co-relation 25212. Up to 7698 conditions per place. [2022-12-13 21:24:14,528 INFO L137 encePairwiseOnDemand]: 930/936 looper letters, 71 selfloop transitions, 2 changer transitions 0/109 dead transitions. [2022-12-13 21:24:14,529 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 109 transitions, 487 flow [2022-12-13 21:24:14,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:24:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:24:14,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1384 transitions. [2022-12-13 21:24:14,531 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4928774928774929 [2022-12-13 21:24:14,531 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1384 transitions. [2022-12-13 21:24:14,531 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1384 transitions. [2022-12-13 21:24:14,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:14,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1384 transitions. [2022-12-13 21:24:14,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 0 states have call successors, (0), 0 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 21:24:14,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:14,537 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:14,537 INFO L175 Difference]: Start difference. First operand has 98 places, 86 transitions, 263 flow. Second operand 3 states and 1384 transitions. [2022-12-13 21:24:14,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 109 transitions, 487 flow [2022-12-13 21:24:14,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 109 transitions, 475 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 21:24:14,556 INFO L231 Difference]: Finished difference. Result has 95 places, 84 transitions, 263 flow [2022-12-13 21:24:14,557 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=263, PETRI_PLACES=95, PETRI_TRANSITIONS=84} [2022-12-13 21:24:14,557 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -22 predicate places. [2022-12-13 21:24:14,557 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 84 transitions, 263 flow [2022-12-13 21:24:14,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 442.3333333333333) internal successors, (1327), 3 states have internal predecessors, (1327), 0 states have call successors, (0), 0 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 21:24:14,557 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:24:14,557 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:14,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 21:24:14,558 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-12-13 21:24:14,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:24:14,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1715749578, now seen corresponding path program 1 times [2022-12-13 21:24:14,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:24:14,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735061522] [2022-12-13 21:24:14,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:24:14,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:24:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:24:14,581 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 21:24:14,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:24:14,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735061522] [2022-12-13 21:24:14,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735061522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:24:14,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:24:14,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:24:14,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59520492] [2022-12-13 21:24:14,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:24:14,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:24:14,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:24:14,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:24:14,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:24:14,593 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 445 out of 936 [2022-12-13 21:24:14,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 84 transitions, 263 flow. Second operand has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 0 states have call successors, (0), 0 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 21:24:14,594 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:24:14,594 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 445 of 936 [2022-12-13 21:24:14,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:24:15,276 INFO L130 PetriNetUnfolder]: 4292/8518 cut-off events. [2022-12-13 21:24:15,276 INFO L131 PetriNetUnfolder]: For 1063/1063 co-relation queries the response was YES. [2022-12-13 21:24:15,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17624 conditions, 8518 events. 4292/8518 cut-off events. For 1063/1063 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 66855 event pairs, 2905 based on Foata normal form. 0/7866 useless extension candidates. Maximal degree in co-relation 17612. Up to 5305 conditions per place. [2022-12-13 21:24:15,297 INFO L137 encePairwiseOnDemand]: 932/936 looper letters, 0 selfloop transitions, 0 changer transitions 106/106 dead transitions. [2022-12-13 21:24:15,297 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 106 transitions, 451 flow [2022-12-13 21:24:15,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:24:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:24:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1392 transitions. [2022-12-13 21:24:15,300 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49572649572649574 [2022-12-13 21:24:15,300 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1392 transitions. [2022-12-13 21:24:15,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1392 transitions. [2022-12-13 21:24:15,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:24:15,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1392 transitions. [2022-12-13 21:24:15,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 464.0) internal successors, (1392), 3 states have internal predecessors, (1392), 0 states have call successors, (0), 0 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 21:24:15,304 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:15,305 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 936.0) internal successors, (3744), 4 states have internal predecessors, (3744), 0 states have call successors, (0), 0 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 21:24:15,305 INFO L175 Difference]: Start difference. First operand has 95 places, 84 transitions, 263 flow. Second operand 3 states and 1392 transitions. [2022-12-13 21:24:15,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 106 transitions, 451 flow [2022-12-13 21:24:15,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 106 transitions, 451 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:24:15,308 INFO L231 Difference]: Finished difference. Result has 96 places, 0 transitions, 0 flow [2022-12-13 21:24:15,308 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=936, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=96, PETRI_TRANSITIONS=0} [2022-12-13 21:24:15,308 INFO L288 CegarLoopForPetriNet]: 117 programPoint places, -21 predicate places. [2022-12-13 21:24:15,308 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 0 transitions, 0 flow [2022-12-13 21:24:15,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 448.3333333333333) internal successors, (1345), 3 states have internal predecessors, (1345), 0 states have call successors, (0), 0 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 21:24:15,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2022-12-13 21:24:15,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2022-12-13 21:24:15,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2022-12-13 21:24:15,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2022-12-13 21:24:15,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2022-12-13 21:24:15,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2022-12-13 21:24:15,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2022-12-13 21:24:15,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2022-12-13 21:24:15,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2022-12-13 21:24:15,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2022-12-13 21:24:15,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2022-12-13 21:24:15,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2022-12-13 21:24:15,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2022-12-13 21:24:15,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2022-12-13 21:24:15,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2022-12-13 21:24:15,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2022-12-13 21:24:15,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2022-12-13 21:24:15,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2022-12-13 21:24:15,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2022-12-13 21:24:15,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2022-12-13 21:24:15,313 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2022-12-13 21:24:15,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2022-12-13 21:24:15,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2022-12-13 21:24:15,316 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2022-12-13 21:24:15,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2022-12-13 21:24:15,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2022-12-13 21:24:15,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2022-12-13 21:24:15,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2022-12-13 21:24:15,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2022-12-13 21:24:15,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2022-12-13 21:24:15,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2022-12-13 21:24:15,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2022-12-13 21:24:15,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2022-12-13 21:24:15,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2022-12-13 21:24:15,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 21:24:15,317 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:24:15,322 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 21:24:15,322 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:24:15,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:24:15 BasicIcfg [2022-12-13 21:24:15,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:24:15,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:24:15,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:24:15,325 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:24:15,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:23:56" (3/4) ... [2022-12-13 21:24:15,327 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:24:15,331 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 21:24:15,331 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 21:24:15,331 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 21:24:15,334 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-13 21:24:15,335 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 21:24:15,335 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 21:24:15,335 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:24:15,362 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:24:15,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:24:15,362 INFO L158 Benchmark]: Toolchain (without parser) took 19376.06ms. Allocated memory was 132.1MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 75.2MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 552.4MB. Max. memory is 16.1GB. [2022-12-13 21:24:15,363 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:24:15,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.42ms. Allocated memory is still 132.1MB. Free memory was 75.1MB in the beginning and 103.5MB in the end (delta: -28.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-12-13 21:24:15,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.04ms. Allocated memory is still 132.1MB. Free memory was 103.5MB in the beginning and 100.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:24:15,363 INFO L158 Benchmark]: Boogie Preprocessor took 35.06ms. Allocated memory is still 132.1MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:24:15,363 INFO L158 Benchmark]: RCFGBuilder took 592.64ms. Allocated memory is still 132.1MB. Free memory was 98.3MB in the beginning and 68.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 21:24:15,363 INFO L158 Benchmark]: TraceAbstraction took 18380.40ms. Allocated memory was 132.1MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 68.4MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-12-13 21:24:15,364 INFO L158 Benchmark]: Witness Printer took 37.45ms. Allocated memory is still 2.0GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:24:15,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 85.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.42ms. Allocated memory is still 132.1MB. Free memory was 75.1MB in the beginning and 103.5MB in the end (delta: -28.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.04ms. Allocated memory is still 132.1MB. Free memory was 103.5MB in the beginning and 100.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.06ms. Allocated memory is still 132.1MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 592.64ms. Allocated memory is still 132.1MB. Free memory was 98.3MB in the beginning and 68.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 18380.40ms. Allocated memory was 132.1MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 68.4MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 37.45ms. Allocated memory is still 2.0GB. Free memory was 1.4GB in the beginning and 1.4GB 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: 7.0s, 441 PlacesBefore, 117 PlacesAfterwards, 447 TransitionsBefore, 111 TransitionsAfterwards, 65286 CoEnabledTransitionPairs, 9 FixpointIterations, 164 TrivialSequentialCompositions, 226 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 60 ConcurrentYvCompositions, 12 ChoiceCompositions, 463 TotalNumberOfCompositions, 168964 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 100014, independent: 98699, independent conditional: 0, independent unconditional: 98699, dependent: 1315, dependent conditional: 0, dependent unconditional: 1315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 37277, independent: 37126, independent conditional: 0, independent unconditional: 37126, dependent: 151, dependent conditional: 0, dependent unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 100014, independent: 61573, independent conditional: 0, independent unconditional: 61573, dependent: 1164, dependent conditional: 0, dependent unconditional: 1164, unknown: 37277, unknown conditional: 0, unknown unconditional: 37277] , Statistics on independence cache: Total cache size (in pairs): 2168, Positive cache size: 2097, Positive conditional cache size: 0, Positive unconditional cache size: 2097, Negative cache size: 71, Negative conditional cache size: 0, Negative unconditional cache size: 71, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 726 locations, 74 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 558 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 385 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 959 IncrementalHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 61 mSDtfsCounter, 959 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=263occurred in iteration=10, InterpolantAutomatonStates: 35, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 21:24:15,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a91bcad-5d27-4ad5-a03c-8a81be88f00e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE