./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:22:13,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:22:13,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:22:13,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:22:13,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:22:13,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:22:13,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:22:13,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:22:13,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:22:13,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:22:13,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:22:13,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:22:13,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:22:13,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:22:13,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:22:13,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:22:13,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:22:13,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:22:13,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:22:13,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:22:13,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:22:13,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:22:13,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:22:13,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:22:13,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:22:13,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:22:13,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:22:13,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:22:13,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:22:13,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:22:13,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:22:13,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:22:13,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:22:13,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:22:13,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:22:13,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:22:13,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:22:13,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:22:13,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:22:13,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:22:13,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:22:13,314 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 11:22:13,338 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:22:13,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:22:13,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:22:13,339 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:22:13,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:22:13,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:22:13,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:22:13,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:22:13,342 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:22:13,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:22:13,342 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:22:13,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:22:13,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:22:13,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:22:13,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:22:13,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:22:13,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:22:13,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:22:13,344 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 11:22:13,344 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:22:13,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:22:13,345 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:22:13,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:22:13,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:22:13,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:22:13,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:22:13,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:22:13,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:22:13,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:22:13,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:22:13,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:22:13,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:22:13,347 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:22:13,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:22:13,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:22:13,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2022-11-20 11:22:13,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:22:13,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:22:13,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:22:13,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:22:13,600 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:22:13,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2022-11-20 11:22:16,829 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:22:17,060 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:22:17,061 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2022-11-20 11:22:17,072 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/data/724bb7171/f5dc7317e9ac43aa9100a2163e38355a/FLAG404eb1c08 [2022-11-20 11:22:17,090 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/data/724bb7171/f5dc7317e9ac43aa9100a2163e38355a [2022-11-20 11:22:17,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:22:17,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:22:17,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:22:17,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:22:17,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:22:17,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6f2a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17, skipping insertion in model container [2022-11-20 11:22:17,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:22:17,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:22:17,353 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_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2022-11-20 11:22:17,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:22:17,374 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:22:17,440 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_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2022-11-20 11:22:17,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:22:17,460 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:22:17,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17 WrapperNode [2022-11-20 11:22:17,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:22:17,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:22:17,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:22:17,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:22:17,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,547 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 1070 [2022-11-20 11:22:17,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:22:17,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:22:17,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:22:17,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:22:17,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,629 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:22:17,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:22:17,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:22:17,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:22:17,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (1/1) ... [2022-11-20 11:22:17,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:22:17,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:22:17,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:22:17,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:22:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:22:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:22:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:22:17,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:22:17,743 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 11:22:17,744 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 11:22:17,745 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 11:22:17,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 11:22:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 11:22:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 11:22:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 11:22:17,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 11:22:17,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:22:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 11:22:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 11:22:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:22:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:22:17,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:22:17,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:22:17,750 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 11:22:17,997 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:22:17,999 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:22:19,655 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:22:20,736 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:22:20,736 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-20 11:22:20,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:22:20 BoogieIcfgContainer [2022-11-20 11:22:20,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:22:20,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:22:20,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:22:20,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:22:20,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:22:17" (1/3) ... [2022-11-20 11:22:20,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42262841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:22:20, skipping insertion in model container [2022-11-20 11:22:20,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:17" (2/3) ... [2022-11-20 11:22:20,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42262841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:22:20, skipping insertion in model container [2022-11-20 11:22:20,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:22:20" (3/3) ... [2022-11-20 11:22:20,748 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-2.wvr-bad.c [2022-11-20 11:22:20,757 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 11:22:20,767 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:22:20,767 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 186 error locations. [2022-11-20 11:22:20,767 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:22:21,075 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-20 11:22:21,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 683 places, 707 transitions, 1446 flow [2022-11-20 11:22:21,431 INFO L130 PetriNetUnfolder]: 37/703 cut-off events. [2022-11-20 11:22:21,431 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 11:22:21,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 720 conditions, 703 events. 37/703 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1532 event pairs, 0 based on Foata normal form. 0/480 useless extension candidates. Maximal degree in co-relation 604. Up to 8 conditions per place. [2022-11-20 11:22:21,449 INFO L82 GeneralOperation]: Start removeDead. Operand has 683 places, 707 transitions, 1446 flow [2022-11-20 11:22:21,468 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 658 places, 681 transitions, 1386 flow [2022-11-20 11:22:21,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:22:21,492 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;@778ab8f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:22:21,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 340 error locations. [2022-11-20 11:22:21,501 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2022-11-20 11:22:21,501 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:22:21,502 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:21,503 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:21,503 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:21,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:21,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1034260354, now seen corresponding path program 1 times [2022-11-20 11:22:21,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:21,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563891244] [2022-11-20 11:22:21,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:21,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:21,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:21,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563891244] [2022-11-20 11:22:21,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563891244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:21,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:21,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:21,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726588446] [2022-11-20 11:22:21,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:21,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:21,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:21,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:21,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:21,957 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-20 11:22:21,963 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 681 transitions, 1386 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:21,963 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:21,963 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-20 11:22:21,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:22,284 INFO L130 PetriNetUnfolder]: 56/562 cut-off events. [2022-11-20 11:22:22,285 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-11-20 11:22:22,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 562 events. 56/562 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 538 event pairs, 0 based on Foata normal form. 28/505 useless extension candidates. Maximal degree in co-relation 519. Up to 62 conditions per place. [2022-11-20 11:22:22,292 INFO L137 encePairwiseOnDemand]: 550/707 looper letters, 25 selfloop transitions, 2 changer transitions 8/526 dead transitions. [2022-11-20 11:22:22,292 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 526 transitions, 1130 flow [2022-11-20 11:22:22,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1748 transitions. [2022-11-20 11:22:22,316 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8241395568128241 [2022-11-20 11:22:22,317 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1748 transitions. [2022-11-20 11:22:22,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1748 transitions. [2022-11-20 11:22:22,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:22,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1748 transitions. [2022-11-20 11:22:22,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 582.6666666666666) internal successors, (1748), 3 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:22,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:22,347 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:22,349 INFO L175 Difference]: Start difference. First operand has 658 places, 681 transitions, 1386 flow. Second operand 3 states and 1748 transitions. [2022-11-20 11:22:22,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 526 transitions, 1130 flow [2022-11-20 11:22:22,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 513 places, 526 transitions, 1114 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-20 11:22:22,373 INFO L231 Difference]: Finished difference. Result has 513 places, 518 transitions, 1048 flow [2022-11-20 11:22:22,376 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=526, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=524, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1048, PETRI_PLACES=513, PETRI_TRANSITIONS=518} [2022-11-20 11:22:22,380 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -145 predicate places. [2022-11-20 11:22:22,381 INFO L495 AbstractCegarLoop]: Abstraction has has 513 places, 518 transitions, 1048 flow [2022-11-20 11:22:22,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:22,382 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:22,382 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:22,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:22:22,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:22,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:22,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1405454233, now seen corresponding path program 1 times [2022-11-20 11:22:22,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:22,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125882191] [2022-11-20 11:22:22,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:22,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:22,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:22,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125882191] [2022-11-20 11:22:22,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125882191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:22,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:22,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:22,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409926357] [2022-11-20 11:22:22,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:22,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:22,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:22,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:22,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:22,550 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-20 11:22:22,552 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 513 places, 518 transitions, 1048 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:22,552 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:22,552 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-20 11:22:22,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:22,841 INFO L130 PetriNetUnfolder]: 56/553 cut-off events. [2022-11-20 11:22:22,841 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 11:22:22,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 553 events. 56/553 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 529 event pairs, 0 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 576. Up to 63 conditions per place. [2022-11-20 11:22:22,849 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/517 dead transitions. [2022-11-20 11:22:22,849 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 517 transitions, 1102 flow [2022-11-20 11:22:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-20 11:22:22,854 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-20 11:22:22,855 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-20 11:22:22,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-20 11:22:22,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:22,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-20 11:22:22,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:22,866 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:22,868 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:22,869 INFO L175 Difference]: Start difference. First operand has 513 places, 518 transitions, 1048 flow. Second operand 3 states and 1595 transitions. [2022-11-20 11:22:22,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 517 transitions, 1102 flow [2022-11-20 11:22:22,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 517 transitions, 1098 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:22,884 INFO L231 Difference]: Finished difference. Result has 504 places, 517 transitions, 1046 flow [2022-11-20 11:22:22,885 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1046, PETRI_PLACES=504, PETRI_TRANSITIONS=517} [2022-11-20 11:22:22,886 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -154 predicate places. [2022-11-20 11:22:22,886 INFO L495 AbstractCegarLoop]: Abstraction has has 504 places, 517 transitions, 1046 flow [2022-11-20 11:22:22,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:22,887 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:22,888 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:22,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:22:22,888 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:22,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:22,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1856995672, now seen corresponding path program 1 times [2022-11-20 11:22:22,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:22,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759984786] [2022-11-20 11:22:22,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:22,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:22,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:22,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:22,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759984786] [2022-11-20 11:22:22,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759984786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:22,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:22,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:22,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164316792] [2022-11-20 11:22:22,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:22,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:22,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:22,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:22,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:22,993 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-20 11:22:22,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 517 transitions, 1046 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:22,996 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:22,996 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-20 11:22:22,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:23,211 INFO L130 PetriNetUnfolder]: 56/552 cut-off events. [2022-11-20 11:22:23,211 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 11:22:23,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 625 conditions, 552 events. 56/552 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 533 event pairs, 0 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 568. Up to 63 conditions per place. [2022-11-20 11:22:23,217 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/516 dead transitions. [2022-11-20 11:22:23,217 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 516 transitions, 1100 flow [2022-11-20 11:22:23,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-20 11:22:23,222 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-20 11:22:23,222 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-20 11:22:23,222 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-20 11:22:23,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:23,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-20 11:22:23,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:23,233 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:23,235 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:23,235 INFO L175 Difference]: Start difference. First operand has 504 places, 517 transitions, 1046 flow. Second operand 3 states and 1595 transitions. [2022-11-20 11:22:23,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 516 transitions, 1100 flow [2022-11-20 11:22:23,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 516 transitions, 1096 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:23,265 INFO L231 Difference]: Finished difference. Result has 503 places, 516 transitions, 1044 flow [2022-11-20 11:22:23,266 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=514, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1044, PETRI_PLACES=503, PETRI_TRANSITIONS=516} [2022-11-20 11:22:23,268 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -155 predicate places. [2022-11-20 11:22:23,268 INFO L495 AbstractCegarLoop]: Abstraction has has 503 places, 516 transitions, 1044 flow [2022-11-20 11:22:23,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:23,270 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:23,270 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:23,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:22:23,271 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:23,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:23,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1733019707, now seen corresponding path program 1 times [2022-11-20 11:22:23,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:23,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647388583] [2022-11-20 11:22:23,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:23,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:23,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:23,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:23,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647388583] [2022-11-20 11:22:23,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647388583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:23,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:23,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:23,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260568123] [2022-11-20 11:22:23,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:23,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:23,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:23,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:23,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:23,348 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:23,350 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 516 transitions, 1044 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:23,350 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:23,350 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:23,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:23,676 INFO L130 PetriNetUnfolder]: 107/777 cut-off events. [2022-11-20 11:22:23,676 INFO L131 PetriNetUnfolder]: For 9/10 co-relation queries the response was YES. [2022-11-20 11:22:23,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 904 conditions, 777 events. 107/777 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1637 event pairs, 0 based on Foata normal form. 1/649 useless extension candidates. Maximal degree in co-relation 839. Up to 70 conditions per place. [2022-11-20 11:22:23,688 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 39 selfloop transitions, 4 changer transitions 0/534 dead transitions. [2022-11-20 11:22:23,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 534 transitions, 1173 flow [2022-11-20 11:22:23,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:23,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1619 transitions. [2022-11-20 11:22:23,698 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7633191890617633 [2022-11-20 11:22:23,698 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1619 transitions. [2022-11-20 11:22:23,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1619 transitions. [2022-11-20 11:22:23,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:23,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1619 transitions. [2022-11-20 11:22:23,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.6666666666666) internal successors, (1619), 3 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:23,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:23,713 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:23,719 INFO L175 Difference]: Start difference. First operand has 503 places, 516 transitions, 1044 flow. Second operand 3 states and 1619 transitions. [2022-11-20 11:22:23,720 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 534 transitions, 1173 flow [2022-11-20 11:22:23,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 534 transitions, 1169 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:23,733 INFO L231 Difference]: Finished difference. Result has 503 places, 518 transitions, 1062 flow [2022-11-20 11:22:23,734 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1062, PETRI_PLACES=503, PETRI_TRANSITIONS=518} [2022-11-20 11:22:23,736 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -155 predicate places. [2022-11-20 11:22:23,736 INFO L495 AbstractCegarLoop]: Abstraction has has 503 places, 518 transitions, 1062 flow [2022-11-20 11:22:23,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:23,738 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:23,738 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:23,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:22:23,739 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:23,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:23,740 INFO L85 PathProgramCache]: Analyzing trace with hash -718593774, now seen corresponding path program 1 times [2022-11-20 11:22:23,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:23,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047015060] [2022-11-20 11:22:23,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:23,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:23,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:23,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:23,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047015060] [2022-11-20 11:22:23,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047015060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:23,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:23,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:23,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846145406] [2022-11-20 11:22:23,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:23,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:23,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:23,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:23,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:23,851 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:23,853 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 518 transitions, 1062 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:23,853 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:23,854 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:23,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:24,148 INFO L130 PetriNetUnfolder]: 107/735 cut-off events. [2022-11-20 11:22:24,148 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2022-11-20 11:22:24,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 899 conditions, 735 events. 107/735 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1395 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 531. Up to 115 conditions per place. [2022-11-20 11:22:24,158 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/517 dead transitions. [2022-11-20 11:22:24,158 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 517 transitions, 1116 flow [2022-11-20 11:22:24,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-20 11:22:24,162 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-20 11:22:24,162 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-20 11:22:24,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-20 11:22:24,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:24,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-20 11:22:24,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,173 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,173 INFO L175 Difference]: Start difference. First operand has 503 places, 518 transitions, 1062 flow. Second operand 3 states and 1601 transitions. [2022-11-20 11:22:24,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 517 transitions, 1116 flow [2022-11-20 11:22:24,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 517 transitions, 1112 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:24,183 INFO L231 Difference]: Finished difference. Result has 503 places, 517 transitions, 1060 flow [2022-11-20 11:22:24,184 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1060, PETRI_PLACES=503, PETRI_TRANSITIONS=517} [2022-11-20 11:22:24,187 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -155 predicate places. [2022-11-20 11:22:24,187 INFO L495 AbstractCegarLoop]: Abstraction has has 503 places, 517 transitions, 1060 flow [2022-11-20 11:22:24,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,188 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:24,188 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:24,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:22:24,189 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:24,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:24,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1507230856, now seen corresponding path program 1 times [2022-11-20 11:22:24,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:24,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846125494] [2022-11-20 11:22:24,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:24,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:24,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:24,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:24,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846125494] [2022-11-20 11:22:24,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846125494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:24,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:24,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:24,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155819858] [2022-11-20 11:22:24,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:24,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:24,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:24,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:24,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:24,269 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:24,272 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 517 transitions, 1060 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,272 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:24,272 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:24,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:24,520 INFO L130 PetriNetUnfolder]: 107/734 cut-off events. [2022-11-20 11:22:24,520 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-20 11:22:24,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 734 events. 107/734 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1400 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 813. Up to 113 conditions per place. [2022-11-20 11:22:24,530 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 26 selfloop transitions, 1 changer transitions 0/516 dead transitions. [2022-11-20 11:22:24,530 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 516 transitions, 1112 flow [2022-11-20 11:22:24,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:24,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-20 11:22:24,534 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-20 11:22:24,534 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-20 11:22:24,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-20 11:22:24,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:24,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-20 11:22:24,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,545 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,546 INFO L175 Difference]: Start difference. First operand has 503 places, 517 transitions, 1060 flow. Second operand 3 states and 1600 transitions. [2022-11-20 11:22:24,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 504 places, 516 transitions, 1112 flow [2022-11-20 11:22:24,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 516 transitions, 1108 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:24,557 INFO L231 Difference]: Finished difference. Result has 502 places, 516 transitions, 1056 flow [2022-11-20 11:22:24,558 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1054, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=516, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=515, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=502, PETRI_TRANSITIONS=516} [2022-11-20 11:22:24,558 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -156 predicate places. [2022-11-20 11:22:24,558 INFO L495 AbstractCegarLoop]: Abstraction has has 502 places, 516 transitions, 1056 flow [2022-11-20 11:22:24,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,560 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:24,560 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:24,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:22:24,561 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:24,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:24,561 INFO L85 PathProgramCache]: Analyzing trace with hash -698051609, now seen corresponding path program 1 times [2022-11-20 11:22:24,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:24,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298213308] [2022-11-20 11:22:24,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:24,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:24,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:24,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298213308] [2022-11-20 11:22:24,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298213308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:24,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:24,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:24,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990164492] [2022-11-20 11:22:24,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:24,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:24,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:24,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:24,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:24,636 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:24,638 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 516 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,639 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:24,639 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:24,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:24,883 INFO L130 PetriNetUnfolder]: 107/733 cut-off events. [2022-11-20 11:22:24,884 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-20 11:22:24,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 886 conditions, 733 events. 107/733 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1397 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 813. Up to 115 conditions per place. [2022-11-20 11:22:24,893 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 26 selfloop transitions, 2 changer transitions 0/515 dead transitions. [2022-11-20 11:22:24,893 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 515 transitions, 1110 flow [2022-11-20 11:22:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-20 11:22:24,897 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-20 11:22:24,898 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-20 11:22:24,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-20 11:22:24,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:24,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-20 11:22:24,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,906 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,907 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,908 INFO L175 Difference]: Start difference. First operand has 502 places, 516 transitions, 1056 flow. Second operand 3 states and 1601 transitions. [2022-11-20 11:22:24,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 515 transitions, 1110 flow [2022-11-20 11:22:24,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 502 places, 515 transitions, 1109 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:24,918 INFO L231 Difference]: Finished difference. Result has 502 places, 515 transitions, 1057 flow [2022-11-20 11:22:24,919 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1053, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=515, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=513, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1057, PETRI_PLACES=502, PETRI_TRANSITIONS=515} [2022-11-20 11:22:24,920 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -156 predicate places. [2022-11-20 11:22:24,920 INFO L495 AbstractCegarLoop]: Abstraction has has 502 places, 515 transitions, 1057 flow [2022-11-20 11:22:24,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:24,922 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:24,922 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:24,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:22:24,922 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:24,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:24,923 INFO L85 PathProgramCache]: Analyzing trace with hash -520522442, now seen corresponding path program 1 times [2022-11-20 11:22:24,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:24,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960781149] [2022-11-20 11:22:24,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:24,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:25,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:25,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:25,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960781149] [2022-11-20 11:22:25,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960781149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:25,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:25,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:22:25,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771912901] [2022-11-20 11:22:25,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:25,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:22:25,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:25,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:22:25,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:22:25,544 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 707 [2022-11-20 11:22:25,549 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 502 places, 515 transitions, 1057 flow. Second operand has 6 states, 6 states have (on average 440.8333333333333) internal successors, (2645), 6 states have internal predecessors, (2645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:25,549 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:25,549 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 707 [2022-11-20 11:22:25,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:26,322 INFO L130 PetriNetUnfolder]: 395/1017 cut-off events. [2022-11-20 11:22:26,323 INFO L131 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2022-11-20 11:22:26,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1603 conditions, 1017 events. 395/1017 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1763 event pairs, 9 based on Foata normal form. 0/891 useless extension candidates. Maximal degree in co-relation 1531. Up to 492 conditions per place. [2022-11-20 11:22:26,349 INFO L137 encePairwiseOnDemand]: 683/707 looper letters, 91 selfloop transitions, 20 changer transitions 0/511 dead transitions. [2022-11-20 11:22:26,349 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 511 transitions, 1271 flow [2022-11-20 11:22:26,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:22:26,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:22:26,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2746 transitions. [2022-11-20 11:22:26,362 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6473361621876473 [2022-11-20 11:22:26,362 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2746 transitions. [2022-11-20 11:22:26,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2746 transitions. [2022-11-20 11:22:26,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:26,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2746 transitions. [2022-11-20 11:22:26,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 457.6666666666667) internal successors, (2746), 6 states have internal predecessors, (2746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:26,378 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:26,380 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:26,380 INFO L175 Difference]: Start difference. First operand has 502 places, 515 transitions, 1057 flow. Second operand 6 states and 2746 transitions. [2022-11-20 11:22:26,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 511 transitions, 1271 flow [2022-11-20 11:22:26,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 511 transitions, 1267 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:26,393 INFO L231 Difference]: Finished difference. Result has 501 places, 511 transitions, 1085 flow [2022-11-20 11:22:26,394 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=511, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=491, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1085, PETRI_PLACES=501, PETRI_TRANSITIONS=511} [2022-11-20 11:22:26,397 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -157 predicate places. [2022-11-20 11:22:26,397 INFO L495 AbstractCegarLoop]: Abstraction has has 501 places, 511 transitions, 1085 flow [2022-11-20 11:22:26,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 440.8333333333333) internal successors, (2645), 6 states have internal predecessors, (2645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:26,399 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:26,399 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:26,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 11:22:26,399 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:26,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:26,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1279288228, now seen corresponding path program 1 times [2022-11-20 11:22:26,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:26,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210026342] [2022-11-20 11:22:26,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:26,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:26,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:26,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210026342] [2022-11-20 11:22:26,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210026342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:26,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:26,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:26,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613072562] [2022-11-20 11:22:26,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:26,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:26,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:26,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:26,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:26,464 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-20 11:22:26,466 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 511 transitions, 1085 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:26,466 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:26,466 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-20 11:22:26,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:26,720 INFO L130 PetriNetUnfolder]: 107/728 cut-off events. [2022-11-20 11:22:26,720 INFO L131 PetriNetUnfolder]: For 32/32 co-relation queries the response was YES. [2022-11-20 11:22:26,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 904 conditions, 728 events. 107/728 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1378 event pairs, 3 based on Foata normal form. 0/619 useless extension candidates. Maximal degree in co-relation 840. Up to 118 conditions per place. [2022-11-20 11:22:26,733 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/510 dead transitions. [2022-11-20 11:22:26,733 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 510 transitions, 1145 flow [2022-11-20 11:22:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-20 11:22:26,738 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-20 11:22:26,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-20 11:22:26,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-20 11:22:26,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:26,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-20 11:22:26,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:26,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:26,750 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:26,751 INFO L175 Difference]: Start difference. First operand has 501 places, 511 transitions, 1085 flow. Second operand 3 states and 1595 transitions. [2022-11-20 11:22:26,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 510 transitions, 1145 flow [2022-11-20 11:22:26,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 510 transitions, 1105 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 11:22:26,763 INFO L231 Difference]: Finished difference. Result has 497 places, 510 transitions, 1047 flow [2022-11-20 11:22:26,764 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1047, PETRI_PLACES=497, PETRI_TRANSITIONS=510} [2022-11-20 11:22:26,765 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -161 predicate places. [2022-11-20 11:22:26,765 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 510 transitions, 1047 flow [2022-11-20 11:22:26,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:26,766 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:26,766 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:26,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 11:22:26,767 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:26,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:26,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1374277485, now seen corresponding path program 1 times [2022-11-20 11:22:26,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:26,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646882009] [2022-11-20 11:22:26,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:26,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:26,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:26,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646882009] [2022-11-20 11:22:26,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646882009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:26,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:26,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:26,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241860807] [2022-11-20 11:22:26,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:26,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:26,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:26,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:26,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:26,828 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:26,830 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 510 transitions, 1047 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:26,830 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:26,831 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:26,831 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:27,158 INFO L130 PetriNetUnfolder]: 161/917 cut-off events. [2022-11-20 11:22:27,159 INFO L131 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2022-11-20 11:22:27,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 917 events. 161/917 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2266 event pairs, 3 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1061. Up to 105 conditions per place. [2022-11-20 11:22:27,173 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 44 selfloop transitions, 2 changer transitions 0/528 dead transitions. [2022-11-20 11:22:27,173 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 528 transitions, 1191 flow [2022-11-20 11:22:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:27,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1616 transitions. [2022-11-20 11:22:27,178 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2022-11-20 11:22:27,178 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1616 transitions. [2022-11-20 11:22:27,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1616 transitions. [2022-11-20 11:22:27,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:27,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1616 transitions. [2022-11-20 11:22:27,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 538.6666666666666) internal successors, (1616), 3 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,187 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,188 INFO L175 Difference]: Start difference. First operand has 497 places, 510 transitions, 1047 flow. Second operand 3 states and 1616 transitions. [2022-11-20 11:22:27,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 528 transitions, 1191 flow [2022-11-20 11:22:27,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 528 transitions, 1187 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:27,198 INFO L231 Difference]: Finished difference. Result has 497 places, 510 transitions, 1051 flow [2022-11-20 11:22:27,200 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1051, PETRI_PLACES=497, PETRI_TRANSITIONS=510} [2022-11-20 11:22:27,201 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -161 predicate places. [2022-11-20 11:22:27,201 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 510 transitions, 1051 flow [2022-11-20 11:22:27,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,202 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:27,202 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:27,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 11:22:27,202 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:27,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:27,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1707105066, now seen corresponding path program 1 times [2022-11-20 11:22:27,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:27,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774615699] [2022-11-20 11:22:27,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:27,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:27,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:27,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774615699] [2022-11-20 11:22:27,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774615699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:27,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:27,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:27,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869516899] [2022-11-20 11:22:27,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:27,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:27,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:27,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:27,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:27,257 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:27,258 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 510 transitions, 1051 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,259 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:27,259 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:27,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:27,563 INFO L130 PetriNetUnfolder]: 161/916 cut-off events. [2022-11-20 11:22:27,563 INFO L131 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2022-11-20 11:22:27,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 916 events. 161/916 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2265 event pairs, 10 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1083. Up to 171 conditions per place. [2022-11-20 11:22:27,573 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 27 selfloop transitions, 2 changer transitions 0/509 dead transitions. [2022-11-20 11:22:27,574 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 509 transitions, 1107 flow [2022-11-20 11:22:27,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:27,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:27,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-20 11:22:27,578 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-20 11:22:27,578 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-20 11:22:27,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-20 11:22:27,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:27,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-20 11:22:27,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,588 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,588 INFO L175 Difference]: Start difference. First operand has 497 places, 510 transitions, 1051 flow. Second operand 3 states and 1601 transitions. [2022-11-20 11:22:27,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 509 transitions, 1107 flow [2022-11-20 11:22:27,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 509 transitions, 1105 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:27,599 INFO L231 Difference]: Finished difference. Result has 497 places, 509 transitions, 1051 flow [2022-11-20 11:22:27,600 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1047, PETRI_DIFFERENCE_MINUEND_PLACES=495, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=509, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=507, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1051, PETRI_PLACES=497, PETRI_TRANSITIONS=509} [2022-11-20 11:22:27,601 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -161 predicate places. [2022-11-20 11:22:27,601 INFO L495 AbstractCegarLoop]: Abstraction has has 497 places, 509 transitions, 1051 flow [2022-11-20 11:22:27,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,602 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:27,602 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:27,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 11:22:27,603 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:27,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:27,603 INFO L85 PathProgramCache]: Analyzing trace with hash 83621888, now seen corresponding path program 1 times [2022-11-20 11:22:27,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:27,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639792382] [2022-11-20 11:22:27,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:27,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:27,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:27,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639792382] [2022-11-20 11:22:27,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639792382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:27,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:27,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:27,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607851818] [2022-11-20 11:22:27,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:27,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:27,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:27,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:27,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:27,672 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-20 11:22:27,674 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 497 places, 509 transitions, 1051 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,674 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:27,674 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-20 11:22:27,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:27,971 INFO L130 PetriNetUnfolder]: 161/915 cut-off events. [2022-11-20 11:22:27,971 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2022-11-20 11:22:27,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 915 events. 161/915 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2263 event pairs, 10 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1079. Up to 174 conditions per place. [2022-11-20 11:22:27,984 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 30 selfloop transitions, 2 changer transitions 0/508 dead transitions. [2022-11-20 11:22:27,984 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 508 transitions, 1113 flow [2022-11-20 11:22:27,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-20 11:22:27,989 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-20 11:22:27,989 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-20 11:22:27,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-20 11:22:27,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:27,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-20 11:22:27,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,998 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:27,999 INFO L175 Difference]: Start difference. First operand has 497 places, 509 transitions, 1051 flow. Second operand 3 states and 1595 transitions. [2022-11-20 11:22:27,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 508 transitions, 1113 flow [2022-11-20 11:22:28,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 508 transitions, 1109 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:28,009 INFO L231 Difference]: Finished difference. Result has 496 places, 508 transitions, 1049 flow [2022-11-20 11:22:28,010 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=494, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1049, PETRI_PLACES=496, PETRI_TRANSITIONS=508} [2022-11-20 11:22:28,011 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -162 predicate places. [2022-11-20 11:22:28,011 INFO L495 AbstractCegarLoop]: Abstraction has has 496 places, 508 transitions, 1049 flow [2022-11-20 11:22:28,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,012 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:28,013 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:28,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 11:22:28,013 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:28,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:28,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1130724500, now seen corresponding path program 1 times [2022-11-20 11:22:28,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:28,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073876495] [2022-11-20 11:22:28,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:28,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:28,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:28,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073876495] [2022-11-20 11:22:28,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073876495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:28,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:28,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:28,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231476944] [2022-11-20 11:22:28,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:28,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:28,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:28,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:28,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:28,073 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:28,075 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 508 transitions, 1049 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,075 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:28,075 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:28,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:28,362 INFO L130 PetriNetUnfolder]: 158/951 cut-off events. [2022-11-20 11:22:28,363 INFO L131 PetriNetUnfolder]: For 63/64 co-relation queries the response was YES. [2022-11-20 11:22:28,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1185 conditions, 951 events. 158/951 cut-off events. For 63/64 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2579 event pairs, 10 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1112. Up to 169 conditions per place. [2022-11-20 11:22:28,375 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 27 selfloop transitions, 1 changer transitions 0/507 dead transitions. [2022-11-20 11:22:28,376 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 497 places, 507 transitions, 1103 flow [2022-11-20 11:22:28,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:28,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:28,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-20 11:22:28,380 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-20 11:22:28,380 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-20 11:22:28,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-20 11:22:28,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:28,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-20 11:22:28,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,391 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,391 INFO L175 Difference]: Start difference. First operand has 496 places, 508 transitions, 1049 flow. Second operand 3 states and 1600 transitions. [2022-11-20 11:22:28,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 497 places, 507 transitions, 1103 flow [2022-11-20 11:22:28,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 507 transitions, 1099 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:28,401 INFO L231 Difference]: Finished difference. Result has 495 places, 507 transitions, 1045 flow [2022-11-20 11:22:28,402 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=507, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=506, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=495, PETRI_TRANSITIONS=507} [2022-11-20 11:22:28,403 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -163 predicate places. [2022-11-20 11:22:28,403 INFO L495 AbstractCegarLoop]: Abstraction has has 495 places, 507 transitions, 1045 flow [2022-11-20 11:22:28,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,404 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:28,404 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:28,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 11:22:28,405 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:28,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:28,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2118891099, now seen corresponding path program 1 times [2022-11-20 11:22:28,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:28,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587821395] [2022-11-20 11:22:28,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:28,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:28,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:28,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:28,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587821395] [2022-11-20 11:22:28,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587821395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:28,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:28,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:28,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742946234] [2022-11-20 11:22:28,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:28,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:28,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:28,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:28,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:28,471 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:28,473 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 507 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,473 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:28,473 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:28,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:28,811 INFO L130 PetriNetUnfolder]: 158/950 cut-off events. [2022-11-20 11:22:28,812 INFO L131 PetriNetUnfolder]: For 62/63 co-relation queries the response was YES. [2022-11-20 11:22:28,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1184 conditions, 950 events. 158/950 cut-off events. For 62/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2576 event pairs, 10 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1110. Up to 171 conditions per place. [2022-11-20 11:22:28,825 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 27 selfloop transitions, 2 changer transitions 0/506 dead transitions. [2022-11-20 11:22:28,825 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 506 transitions, 1101 flow [2022-11-20 11:22:28,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:28,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-20 11:22:28,831 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-20 11:22:28,831 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-20 11:22:28,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-20 11:22:28,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:28,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-20 11:22:28,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,842 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,843 INFO L175 Difference]: Start difference. First operand has 495 places, 507 transitions, 1045 flow. Second operand 3 states and 1601 transitions. [2022-11-20 11:22:28,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 506 transitions, 1101 flow [2022-11-20 11:22:28,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 506 transitions, 1100 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:28,854 INFO L231 Difference]: Finished difference. Result has 495 places, 506 transitions, 1046 flow [2022-11-20 11:22:28,855 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=506, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=504, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1046, PETRI_PLACES=495, PETRI_TRANSITIONS=506} [2022-11-20 11:22:28,856 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -163 predicate places. [2022-11-20 11:22:28,856 INFO L495 AbstractCegarLoop]: Abstraction has has 495 places, 506 transitions, 1046 flow [2022-11-20 11:22:28,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,857 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:28,857 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:28,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 11:22:28,858 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:28,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:28,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1215301896, now seen corresponding path program 1 times [2022-11-20 11:22:28,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:28,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955727135] [2022-11-20 11:22:28,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:28,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:28,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:28,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955727135] [2022-11-20 11:22:28,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955727135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:28,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:28,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:28,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155138749] [2022-11-20 11:22:28,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:28,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:28,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:28,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:28,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:28,955 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-20 11:22:28,958 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 506 transitions, 1046 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:28,958 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:28,959 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-20 11:22:28,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:29,263 INFO L130 PetriNetUnfolder]: 158/949 cut-off events. [2022-11-20 11:22:29,263 INFO L131 PetriNetUnfolder]: For 62/63 co-relation queries the response was YES. [2022-11-20 11:22:29,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1188 conditions, 949 events. 158/949 cut-off events. For 62/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2572 event pairs, 10 based on Foata normal form. 0/794 useless extension candidates. Maximal degree in co-relation 1114. Up to 174 conditions per place. [2022-11-20 11:22:29,277 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 30 selfloop transitions, 2 changer transitions 0/505 dead transitions. [2022-11-20 11:22:29,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 505 transitions, 1108 flow [2022-11-20 11:22:29,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-20 11:22:29,281 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-20 11:22:29,282 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-20 11:22:29,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-20 11:22:29,283 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:29,283 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-20 11:22:29,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:29,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:29,291 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:29,291 INFO L175 Difference]: Start difference. First operand has 495 places, 506 transitions, 1046 flow. Second operand 3 states and 1595 transitions. [2022-11-20 11:22:29,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 505 transitions, 1108 flow [2022-11-20 11:22:29,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 505 transitions, 1104 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:29,301 INFO L231 Difference]: Finished difference. Result has 494 places, 505 transitions, 1044 flow [2022-11-20 11:22:29,302 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=503, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1044, PETRI_PLACES=494, PETRI_TRANSITIONS=505} [2022-11-20 11:22:29,303 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -164 predicate places. [2022-11-20 11:22:29,303 INFO L495 AbstractCegarLoop]: Abstraction has has 494 places, 505 transitions, 1044 flow [2022-11-20 11:22:29,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:29,304 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:29,304 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:29,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 11:22:29,305 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:29,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:29,305 INFO L85 PathProgramCache]: Analyzing trace with hash -159245978, now seen corresponding path program 1 times [2022-11-20 11:22:29,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:29,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644259773] [2022-11-20 11:22:29,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:29,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:29,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:29,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:29,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644259773] [2022-11-20 11:22:29,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644259773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:29,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:29,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:29,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729381844] [2022-11-20 11:22:29,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:29,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:29,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:29,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:29,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:29,373 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:29,374 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 505 transitions, 1044 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:29,375 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:29,375 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:29,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:29,845 INFO L130 PetriNetUnfolder]: 300/1384 cut-off events. [2022-11-20 11:22:29,845 INFO L131 PetriNetUnfolder]: For 119/120 co-relation queries the response was YES. [2022-11-20 11:22:29,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1815 conditions, 1384 events. 300/1384 cut-off events. For 119/120 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5279 event pairs, 16 based on Foata normal form. 0/1151 useless extension candidates. Maximal degree in co-relation 1742. Up to 167 conditions per place. [2022-11-20 11:22:29,869 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 48 selfloop transitions, 2 changer transitions 0/526 dead transitions. [2022-11-20 11:22:29,870 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 526 transitions, 1208 flow [2022-11-20 11:22:29,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:29,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1618 transitions. [2022-11-20 11:22:29,874 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7628477133427628 [2022-11-20 11:22:29,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1618 transitions. [2022-11-20 11:22:29,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1618 transitions. [2022-11-20 11:22:29,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:29,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1618 transitions. [2022-11-20 11:22:29,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.3333333333334) internal successors, (1618), 3 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:29,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:29,883 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:29,884 INFO L175 Difference]: Start difference. First operand has 494 places, 505 transitions, 1044 flow. Second operand 3 states and 1618 transitions. [2022-11-20 11:22:29,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 526 transitions, 1208 flow [2022-11-20 11:22:29,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 526 transitions, 1204 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:29,894 INFO L231 Difference]: Finished difference. Result has 494 places, 505 transitions, 1048 flow [2022-11-20 11:22:29,894 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1048, PETRI_PLACES=494, PETRI_TRANSITIONS=505} [2022-11-20 11:22:29,895 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -164 predicate places. [2022-11-20 11:22:29,897 INFO L495 AbstractCegarLoop]: Abstraction has has 494 places, 505 transitions, 1048 flow [2022-11-20 11:22:29,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:29,898 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:29,898 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:29,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 11:22:29,899 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:29,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:29,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1359361916, now seen corresponding path program 1 times [2022-11-20 11:22:29,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:29,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164389035] [2022-11-20 11:22:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:29,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:29,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:29,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:29,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164389035] [2022-11-20 11:22:29,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164389035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:29,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:29,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:29,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177192919] [2022-11-20 11:22:29,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:29,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:29,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:29,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:29,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:29,969 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:29,970 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 505 transitions, 1048 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:29,970 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:29,971 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:29,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:30,420 INFO L130 PetriNetUnfolder]: 300/1431 cut-off events. [2022-11-20 11:22:30,420 INFO L131 PetriNetUnfolder]: For 143/144 co-relation queries the response was YES. [2022-11-20 11:22:30,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1899 conditions, 1431 events. 300/1431 cut-off events. For 143/144 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5707 event pairs, 30 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 1824. Up to 323 conditions per place. [2022-11-20 11:22:30,443 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 28 selfloop transitions, 2 changer transitions 0/504 dead transitions. [2022-11-20 11:22:30,443 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 504 transitions, 1106 flow [2022-11-20 11:22:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-20 11:22:30,448 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-20 11:22:30,448 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-20 11:22:30,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-20 11:22:30,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:30,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-20 11:22:30,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:30,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:30,457 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:30,457 INFO L175 Difference]: Start difference. First operand has 494 places, 505 transitions, 1048 flow. Second operand 3 states and 1601 transitions. [2022-11-20 11:22:30,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 504 transitions, 1106 flow [2022-11-20 11:22:30,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 494 places, 504 transitions, 1104 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:30,467 INFO L231 Difference]: Finished difference. Result has 494 places, 504 transitions, 1048 flow [2022-11-20 11:22:30,467 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1044, PETRI_DIFFERENCE_MINUEND_PLACES=492, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=502, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1048, PETRI_PLACES=494, PETRI_TRANSITIONS=504} [2022-11-20 11:22:30,468 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -164 predicate places. [2022-11-20 11:22:30,468 INFO L495 AbstractCegarLoop]: Abstraction has has 494 places, 504 transitions, 1048 flow [2022-11-20 11:22:30,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:30,469 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:30,469 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:30,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 11:22:30,469 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:30,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:30,470 INFO L85 PathProgramCache]: Analyzing trace with hash -121120091, now seen corresponding path program 1 times [2022-11-20 11:22:30,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:30,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374510505] [2022-11-20 11:22:30,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:30,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:30,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:30,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374510505] [2022-11-20 11:22:30,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374510505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:30,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:30,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:30,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027052896] [2022-11-20 11:22:30,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:30,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:30,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:30,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:30,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:30,535 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-20 11:22:30,537 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 494 places, 504 transitions, 1048 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:30,537 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:30,537 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-20 11:22:30,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:31,017 INFO L130 PetriNetUnfolder]: 300/1430 cut-off events. [2022-11-20 11:22:31,017 INFO L131 PetriNetUnfolder]: For 142/143 co-relation queries the response was YES. [2022-11-20 11:22:31,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1891 conditions, 1430 events. 300/1430 cut-off events. For 142/143 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5721 event pairs, 30 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 1816. Up to 326 conditions per place. [2022-11-20 11:22:31,040 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 31 selfloop transitions, 2 changer transitions 0/503 dead transitions. [2022-11-20 11:22:31,040 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 495 places, 503 transitions, 1112 flow [2022-11-20 11:22:31,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-20 11:22:31,044 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-20 11:22:31,044 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-20 11:22:31,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-20 11:22:31,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:31,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-20 11:22:31,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:31,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:31,053 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:31,053 INFO L175 Difference]: Start difference. First operand has 494 places, 504 transitions, 1048 flow. Second operand 3 states and 1595 transitions. [2022-11-20 11:22:31,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 495 places, 503 transitions, 1112 flow [2022-11-20 11:22:31,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 493 places, 503 transitions, 1108 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:31,062 INFO L231 Difference]: Finished difference. Result has 493 places, 503 transitions, 1046 flow [2022-11-20 11:22:31,063 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=503, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1046, PETRI_PLACES=493, PETRI_TRANSITIONS=503} [2022-11-20 11:22:31,064 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -165 predicate places. [2022-11-20 11:22:31,064 INFO L495 AbstractCegarLoop]: Abstraction has has 493 places, 503 transitions, 1046 flow [2022-11-20 11:22:31,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:31,065 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:31,065 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:31,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 11:22:31,066 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:31,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:31,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1268068674, now seen corresponding path program 1 times [2022-11-20 11:22:31,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:31,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468899909] [2022-11-20 11:22:31,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:31,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:31,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:31,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:31,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468899909] [2022-11-20 11:22:31,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468899909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:31,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:31,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:31,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194984035] [2022-11-20 11:22:31,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:31,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:31,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:31,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:31,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:31,131 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:31,133 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 503 transitions, 1046 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:31,133 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:31,133 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:31,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:31,658 INFO L130 PetriNetUnfolder]: 300/1429 cut-off events. [2022-11-20 11:22:31,658 INFO L131 PetriNetUnfolder]: For 143/144 co-relation queries the response was YES. [2022-11-20 11:22:31,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1886 conditions, 1429 events. 300/1429 cut-off events. For 143/144 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5709 event pairs, 30 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 1812. Up to 321 conditions per place. [2022-11-20 11:22:31,683 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 28 selfloop transitions, 1 changer transitions 0/502 dead transitions. [2022-11-20 11:22:31,683 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 502 transitions, 1102 flow [2022-11-20 11:22:31,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:31,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:31,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-20 11:22:31,688 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-20 11:22:31,688 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-20 11:22:31,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-20 11:22:31,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:31,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-20 11:22:31,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:31,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:31,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:31,703 INFO L175 Difference]: Start difference. First operand has 493 places, 503 transitions, 1046 flow. Second operand 3 states and 1600 transitions. [2022-11-20 11:22:31,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 502 transitions, 1102 flow [2022-11-20 11:22:31,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 502 transitions, 1098 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:31,715 INFO L231 Difference]: Finished difference. Result has 492 places, 502 transitions, 1042 flow [2022-11-20 11:22:31,716 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=502, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=501, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1042, PETRI_PLACES=492, PETRI_TRANSITIONS=502} [2022-11-20 11:22:31,716 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -166 predicate places. [2022-11-20 11:22:31,716 INFO L495 AbstractCegarLoop]: Abstraction has has 492 places, 502 transitions, 1042 flow [2022-11-20 11:22:31,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:31,717 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:31,717 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:31,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 11:22:31,718 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:31,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:31,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1224142506, now seen corresponding path program 1 times [2022-11-20 11:22:31,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:31,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076637064] [2022-11-20 11:22:31,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:31,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:31,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:31,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076637064] [2022-11-20 11:22:31,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076637064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:31,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:31,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:31,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360936931] [2022-11-20 11:22:31,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:31,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:31,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:31,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:31,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:31,809 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:31,811 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 502 transitions, 1042 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:31,811 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:31,811 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:31,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:32,266 INFO L130 PetriNetUnfolder]: 300/1428 cut-off events. [2022-11-20 11:22:32,267 INFO L131 PetriNetUnfolder]: For 142/143 co-relation queries the response was YES. [2022-11-20 11:22:32,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1885 conditions, 1428 events. 300/1428 cut-off events. For 142/143 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5711 event pairs, 30 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 1810. Up to 323 conditions per place. [2022-11-20 11:22:32,292 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 28 selfloop transitions, 2 changer transitions 0/501 dead transitions. [2022-11-20 11:22:32,293 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 501 transitions, 1100 flow [2022-11-20 11:22:32,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-20 11:22:32,297 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-20 11:22:32,297 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-20 11:22:32,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-20 11:22:32,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:32,298 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-20 11:22:32,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:32,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:32,306 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:32,306 INFO L175 Difference]: Start difference. First operand has 492 places, 502 transitions, 1042 flow. Second operand 3 states and 1601 transitions. [2022-11-20 11:22:32,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 501 transitions, 1100 flow [2022-11-20 11:22:32,309 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 501 transitions, 1099 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:32,315 INFO L231 Difference]: Finished difference. Result has 492 places, 501 transitions, 1043 flow [2022-11-20 11:22:32,316 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=501, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1043, PETRI_PLACES=492, PETRI_TRANSITIONS=501} [2022-11-20 11:22:32,316 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -166 predicate places. [2022-11-20 11:22:32,316 INFO L495 AbstractCegarLoop]: Abstraction has has 492 places, 501 transitions, 1043 flow [2022-11-20 11:22:32,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:32,317 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:32,317 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:32,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 11:22:32,318 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:32,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:32,318 INFO L85 PathProgramCache]: Analyzing trace with hash 69853625, now seen corresponding path program 1 times [2022-11-20 11:22:32,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:32,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741092254] [2022-11-20 11:22:32,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:32,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:32,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:32,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:32,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741092254] [2022-11-20 11:22:32,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741092254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:32,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:32,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:32,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466680394] [2022-11-20 11:22:32,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:32,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:32,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:32,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:32,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:32,426 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-20 11:22:32,428 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 501 transitions, 1043 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:32,428 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:32,428 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-20 11:22:32,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:32,885 INFO L130 PetriNetUnfolder]: 300/1427 cut-off events. [2022-11-20 11:22:32,885 INFO L131 PetriNetUnfolder]: For 142/143 co-relation queries the response was YES. [2022-11-20 11:22:32,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1889 conditions, 1427 events. 300/1427 cut-off events. For 142/143 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5726 event pairs, 30 based on Foata normal form. 0/1176 useless extension candidates. Maximal degree in co-relation 1814. Up to 326 conditions per place. [2022-11-20 11:22:32,916 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 31 selfloop transitions, 2 changer transitions 0/500 dead transitions. [2022-11-20 11:22:32,916 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 500 transitions, 1107 flow [2022-11-20 11:22:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:32,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:32,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-20 11:22:32,924 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-20 11:22:32,924 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-20 11:22:32,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-20 11:22:32,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:32,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-20 11:22:32,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:32,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:32,935 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:32,935 INFO L175 Difference]: Start difference. First operand has 492 places, 501 transitions, 1043 flow. Second operand 3 states and 1595 transitions. [2022-11-20 11:22:32,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 500 transitions, 1107 flow [2022-11-20 11:22:32,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 500 transitions, 1103 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:32,945 INFO L231 Difference]: Finished difference. Result has 491 places, 500 transitions, 1041 flow [2022-11-20 11:22:32,945 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=500, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=498, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1041, PETRI_PLACES=491, PETRI_TRANSITIONS=500} [2022-11-20 11:22:32,946 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -167 predicate places. [2022-11-20 11:22:32,946 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 500 transitions, 1041 flow [2022-11-20 11:22:32,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:32,949 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:32,949 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:32,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 11:22:32,949 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:32,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:32,950 INFO L85 PathProgramCache]: Analyzing trace with hash 969333769, now seen corresponding path program 1 times [2022-11-20 11:22:32,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:32,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082525033] [2022-11-20 11:22:32,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:32,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:33,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:33,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:33,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082525033] [2022-11-20 11:22:33,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082525033] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:33,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:33,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:33,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851745311] [2022-11-20 11:22:33,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:33,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:33,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:33,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:33,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:33,025 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:33,027 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 500 transitions, 1041 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:33,027 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:33,027 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:33,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:33,767 INFO L130 PetriNetUnfolder]: 552/2230 cut-off events. [2022-11-20 11:22:33,768 INFO L131 PetriNetUnfolder]: For 263/269 co-relation queries the response was YES. [2022-11-20 11:22:33,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3048 conditions, 2230 events. 552/2230 cut-off events. For 263/269 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 11873 event pairs, 30 based on Foata normal form. 5/1836 useless extension candidates. Maximal degree in co-relation 2974. Up to 299 conditions per place. [2022-11-20 11:22:33,808 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 49 selfloop transitions, 2 changer transitions 0/521 dead transitions. [2022-11-20 11:22:33,808 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 521 transitions, 1210 flow [2022-11-20 11:22:33,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:33,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1617 transitions. [2022-11-20 11:22:33,813 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7623762376237624 [2022-11-20 11:22:33,813 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1617 transitions. [2022-11-20 11:22:33,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1617 transitions. [2022-11-20 11:22:33,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:33,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1617 transitions. [2022-11-20 11:22:33,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.0) internal successors, (1617), 3 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:33,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:33,820 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:33,821 INFO L175 Difference]: Start difference. First operand has 491 places, 500 transitions, 1041 flow. Second operand 3 states and 1617 transitions. [2022-11-20 11:22:33,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 521 transitions, 1210 flow [2022-11-20 11:22:33,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 521 transitions, 1206 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:33,829 INFO L231 Difference]: Finished difference. Result has 491 places, 500 transitions, 1045 flow [2022-11-20 11:22:33,830 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1035, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=491, PETRI_TRANSITIONS=500} [2022-11-20 11:22:33,830 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -167 predicate places. [2022-11-20 11:22:33,830 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 500 transitions, 1045 flow [2022-11-20 11:22:33,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:33,831 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:33,831 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:33,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 11:22:33,832 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:33,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:33,832 INFO L85 PathProgramCache]: Analyzing trace with hash 161610356, now seen corresponding path program 1 times [2022-11-20 11:22:33,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:33,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617825226] [2022-11-20 11:22:33,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:33,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:33,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:33,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:33,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617825226] [2022-11-20 11:22:33,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617825226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:33,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:33,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:33,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750742581] [2022-11-20 11:22:33,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:33,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:33,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:33,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:33,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:33,920 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:33,922 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 500 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:33,922 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:33,922 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:33,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:34,624 INFO L130 PetriNetUnfolder]: 548/2253 cut-off events. [2022-11-20 11:22:34,625 INFO L131 PetriNetUnfolder]: For 319/320 co-relation queries the response was YES. [2022-11-20 11:22:34,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3156 conditions, 2253 events. 548/2253 cut-off events. For 319/320 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12015 event pairs, 82 based on Foata normal form. 0/1844 useless extension candidates. Maximal degree in co-relation 3080. Up to 591 conditions per place. [2022-11-20 11:22:34,667 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/499 dead transitions. [2022-11-20 11:22:34,667 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 499 transitions, 1105 flow [2022-11-20 11:22:34,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:34,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:34,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-20 11:22:34,671 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-20 11:22:34,671 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-20 11:22:34,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-20 11:22:34,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:34,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-20 11:22:34,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:34,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:34,679 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:34,680 INFO L175 Difference]: Start difference. First operand has 491 places, 500 transitions, 1045 flow. Second operand 3 states and 1601 transitions. [2022-11-20 11:22:34,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 499 transitions, 1105 flow [2022-11-20 11:22:34,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 491 places, 499 transitions, 1103 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:34,688 INFO L231 Difference]: Finished difference. Result has 491 places, 499 transitions, 1045 flow [2022-11-20 11:22:34,689 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=489, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=499, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1045, PETRI_PLACES=491, PETRI_TRANSITIONS=499} [2022-11-20 11:22:34,690 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -167 predicate places. [2022-11-20 11:22:34,690 INFO L495 AbstractCegarLoop]: Abstraction has has 491 places, 499 transitions, 1045 flow [2022-11-20 11:22:34,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:34,691 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:34,691 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:34,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-20 11:22:34,691 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:34,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:34,692 INFO L85 PathProgramCache]: Analyzing trace with hash -311383579, now seen corresponding path program 1 times [2022-11-20 11:22:34,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:34,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258352411] [2022-11-20 11:22:34,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:34,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:34,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:34,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258352411] [2022-11-20 11:22:34,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258352411] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:34,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:34,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:34,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912610751] [2022-11-20 11:22:34,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:34,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:34,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:34,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:34,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:34,772 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 707 [2022-11-20 11:22:34,773 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 499 transitions, 1045 flow. Second operand has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:34,774 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:34,774 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 707 [2022-11-20 11:22:34,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:35,435 INFO L130 PetriNetUnfolder]: 548/2252 cut-off events. [2022-11-20 11:22:35,435 INFO L131 PetriNetUnfolder]: For 318/319 co-relation queries the response was YES. [2022-11-20 11:22:35,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3132 conditions, 2252 events. 548/2252 cut-off events. For 318/319 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12015 event pairs, 82 based on Foata normal form. 0/1844 useless extension candidates. Maximal degree in co-relation 3056. Up to 594 conditions per place. [2022-11-20 11:22:35,478 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 32 selfloop transitions, 2 changer transitions 0/498 dead transitions. [2022-11-20 11:22:35,479 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 492 places, 498 transitions, 1111 flow [2022-11-20 11:22:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1595 transitions. [2022-11-20 11:22:35,482 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752003771805752 [2022-11-20 11:22:35,482 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1595 transitions. [2022-11-20 11:22:35,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1595 transitions. [2022-11-20 11:22:35,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:35,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1595 transitions. [2022-11-20 11:22:35,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 531.6666666666666) internal successors, (1595), 3 states have internal predecessors, (1595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:35,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:35,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:35,490 INFO L175 Difference]: Start difference. First operand has 491 places, 499 transitions, 1045 flow. Second operand 3 states and 1595 transitions. [2022-11-20 11:22:35,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 492 places, 498 transitions, 1111 flow [2022-11-20 11:22:35,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 490 places, 498 transitions, 1107 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:35,498 INFO L231 Difference]: Finished difference. Result has 490 places, 498 transitions, 1043 flow [2022-11-20 11:22:35,499 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=498, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1043, PETRI_PLACES=490, PETRI_TRANSITIONS=498} [2022-11-20 11:22:35,499 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -168 predicate places. [2022-11-20 11:22:35,500 INFO L495 AbstractCegarLoop]: Abstraction has has 490 places, 498 transitions, 1043 flow [2022-11-20 11:22:35,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 523.3333333333334) internal successors, (1570), 3 states have internal predecessors, (1570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:35,500 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:35,501 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:35,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 11:22:35,501 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:35,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:35,501 INFO L85 PathProgramCache]: Analyzing trace with hash 364000701, now seen corresponding path program 1 times [2022-11-20 11:22:35,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:35,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349340756] [2022-11-20 11:22:35,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:35,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:35,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:35,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349340756] [2022-11-20 11:22:35,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349340756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:35,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:35,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:35,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890561460] [2022-11-20 11:22:35,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:35,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:35,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:35,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:35,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:35,573 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:35,574 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 490 places, 498 transitions, 1043 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:35,575 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:35,575 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:35,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:36,343 INFO L130 PetriNetUnfolder]: 548/2251 cut-off events. [2022-11-20 11:22:36,343 INFO L131 PetriNetUnfolder]: For 319/320 co-relation queries the response was YES. [2022-11-20 11:22:36,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3127 conditions, 2251 events. 548/2251 cut-off events. For 319/320 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12031 event pairs, 82 based on Foata normal form. 0/1844 useless extension candidates. Maximal degree in co-relation 3052. Up to 589 conditions per place. [2022-11-20 11:22:36,385 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 29 selfloop transitions, 1 changer transitions 0/497 dead transitions. [2022-11-20 11:22:36,385 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 497 transitions, 1101 flow [2022-11-20 11:22:36,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:36,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1600 transitions. [2022-11-20 11:22:36,389 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7543611504007544 [2022-11-20 11:22:36,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1600 transitions. [2022-11-20 11:22:36,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1600 transitions. [2022-11-20 11:22:36,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:36,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1600 transitions. [2022-11-20 11:22:36,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.3333333333334) internal successors, (1600), 3 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:36,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:36,397 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:36,397 INFO L175 Difference]: Start difference. First operand has 490 places, 498 transitions, 1043 flow. Second operand 3 states and 1600 transitions. [2022-11-20 11:22:36,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 491 places, 497 transitions, 1101 flow [2022-11-20 11:22:36,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 497 transitions, 1097 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:36,405 INFO L231 Difference]: Finished difference. Result has 489 places, 497 transitions, 1039 flow [2022-11-20 11:22:36,406 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1037, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=496, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1039, PETRI_PLACES=489, PETRI_TRANSITIONS=497} [2022-11-20 11:22:36,406 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -169 predicate places. [2022-11-20 11:22:36,406 INFO L495 AbstractCegarLoop]: Abstraction has has 489 places, 497 transitions, 1039 flow [2022-11-20 11:22:36,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:36,407 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:36,407 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:36,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 11:22:36,408 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:36,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:36,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1039423489, now seen corresponding path program 1 times [2022-11-20 11:22:36,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:36,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243804650] [2022-11-20 11:22:36,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:36,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:36,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:36,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243804650] [2022-11-20 11:22:36,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243804650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:36,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:36,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:36,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675751655] [2022-11-20 11:22:36,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:36,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:36,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:36,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:36,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:36,489 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:36,491 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 497 transitions, 1039 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:36,491 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:36,491 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:36,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:37,160 INFO L130 PetriNetUnfolder]: 548/2250 cut-off events. [2022-11-20 11:22:37,160 INFO L131 PetriNetUnfolder]: For 318/319 co-relation queries the response was YES. [2022-11-20 11:22:37,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3126 conditions, 2250 events. 548/2250 cut-off events. For 318/319 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12053 event pairs, 82 based on Foata normal form. 0/1844 useless extension candidates. Maximal degree in co-relation 3050. Up to 591 conditions per place. [2022-11-20 11:22:37,200 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/496 dead transitions. [2022-11-20 11:22:37,200 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 496 transitions, 1099 flow [2022-11-20 11:22:37,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:37,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:37,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-20 11:22:37,204 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-20 11:22:37,204 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-20 11:22:37,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-20 11:22:37,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:37,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-20 11:22:37,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:37,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:37,211 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:37,211 INFO L175 Difference]: Start difference. First operand has 489 places, 497 transitions, 1039 flow. Second operand 3 states and 1601 transitions. [2022-11-20 11:22:37,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 496 transitions, 1099 flow [2022-11-20 11:22:37,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 496 transitions, 1098 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:37,219 INFO L231 Difference]: Finished difference. Result has 489 places, 496 transitions, 1040 flow [2022-11-20 11:22:37,220 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1036, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=496, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=494, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1040, PETRI_PLACES=489, PETRI_TRANSITIONS=496} [2022-11-20 11:22:37,220 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -169 predicate places. [2022-11-20 11:22:37,221 INFO L495 AbstractCegarLoop]: Abstraction has has 489 places, 496 transitions, 1040 flow [2022-11-20 11:22:37,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:37,221 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:37,221 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:37,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 11:22:37,222 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:37,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:37,222 INFO L85 PathProgramCache]: Analyzing trace with hash 647721511, now seen corresponding path program 1 times [2022-11-20 11:22:37,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:37,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841875227] [2022-11-20 11:22:37,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:37,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:37,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:37,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841875227] [2022-11-20 11:22:37,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841875227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:37,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:37,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:37,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325949149] [2022-11-20 11:22:37,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:37,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:37,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:37,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:37,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:37,304 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:37,305 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 496 transitions, 1040 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:37,305 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:37,305 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:37,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:37,995 INFO L130 PetriNetUnfolder]: 548/2249 cut-off events. [2022-11-20 11:22:37,995 INFO L131 PetriNetUnfolder]: For 318/319 co-relation queries the response was YES. [2022-11-20 11:22:38,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3127 conditions, 2249 events. 548/2249 cut-off events. For 318/319 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12049 event pairs, 82 based on Foata normal form. 0/1844 useless extension candidates. Maximal degree in co-relation 3051. Up to 591 conditions per place. [2022-11-20 11:22:38,034 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/495 dead transitions. [2022-11-20 11:22:38,034 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 495 transitions, 1100 flow [2022-11-20 11:22:38,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-20 11:22:38,038 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-20 11:22:38,038 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-20 11:22:38,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-20 11:22:38,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:38,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-20 11:22:38,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:38,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:38,045 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:38,045 INFO L175 Difference]: Start difference. First operand has 489 places, 496 transitions, 1040 flow. Second operand 3 states and 1601 transitions. [2022-11-20 11:22:38,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 495 transitions, 1100 flow [2022-11-20 11:22:38,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 495 transitions, 1096 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:38,053 INFO L231 Difference]: Finished difference. Result has 488 places, 495 transitions, 1038 flow [2022-11-20 11:22:38,054 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1034, PETRI_DIFFERENCE_MINUEND_PLACES=486, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=495, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1038, PETRI_PLACES=488, PETRI_TRANSITIONS=495} [2022-11-20 11:22:38,055 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -170 predicate places. [2022-11-20 11:22:38,055 INFO L495 AbstractCegarLoop]: Abstraction has has 488 places, 495 transitions, 1038 flow [2022-11-20 11:22:38,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:38,055 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:38,056 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:38,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-20 11:22:38,056 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:38,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:38,057 INFO L85 PathProgramCache]: Analyzing trace with hash -569659295, now seen corresponding path program 1 times [2022-11-20 11:22:38,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:38,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238607674] [2022-11-20 11:22:38,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:38,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:38,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:38,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:38,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238607674] [2022-11-20 11:22:38,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238607674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:38,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:38,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:38,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430038102] [2022-11-20 11:22:38,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:38,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:38,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:38,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:38,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:38,149 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:38,151 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 495 transitions, 1038 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:38,151 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:38,151 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:38,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:38,770 INFO L130 PetriNetUnfolder]: 551/2171 cut-off events. [2022-11-20 11:22:38,770 INFO L131 PetriNetUnfolder]: For 318/318 co-relation queries the response was YES. [2022-11-20 11:22:38,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3049 conditions, 2171 events. 551/2171 cut-off events. For 318/318 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 11113 event pairs, 82 based on Foata normal form. 0/1809 useless extension candidates. Maximal degree in co-relation 2973. Up to 591 conditions per place. [2022-11-20 11:22:38,792 INFO L137 encePairwiseOnDemand]: 704/707 looper letters, 29 selfloop transitions, 2 changer transitions 0/494 dead transitions. [2022-11-20 11:22:38,792 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 494 transitions, 1098 flow [2022-11-20 11:22:38,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:38,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1601 transitions. [2022-11-20 11:22:38,796 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7548326261197549 [2022-11-20 11:22:38,796 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1601 transitions. [2022-11-20 11:22:38,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1601 transitions. [2022-11-20 11:22:38,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:38,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1601 transitions. [2022-11-20 11:22:38,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.6666666666666) internal successors, (1601), 3 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:38,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:38,805 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:38,806 INFO L175 Difference]: Start difference. First operand has 488 places, 495 transitions, 1038 flow. Second operand 3 states and 1601 transitions. [2022-11-20 11:22:38,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 494 transitions, 1098 flow [2022-11-20 11:22:38,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 487 places, 494 transitions, 1094 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:38,813 INFO L231 Difference]: Finished difference. Result has 487 places, 494 transitions, 1036 flow [2022-11-20 11:22:38,813 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1036, PETRI_PLACES=487, PETRI_TRANSITIONS=494} [2022-11-20 11:22:38,814 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -171 predicate places. [2022-11-20 11:22:38,814 INFO L495 AbstractCegarLoop]: Abstraction has has 487 places, 494 transitions, 1036 flow [2022-11-20 11:22:38,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:38,815 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:38,815 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:38,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-20 11:22:38,815 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:38,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:38,816 INFO L85 PathProgramCache]: Analyzing trace with hash 280493566, now seen corresponding path program 1 times [2022-11-20 11:22:38,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:38,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648877540] [2022-11-20 11:22:38,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:38,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:38,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:38,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:38,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648877540] [2022-11-20 11:22:38,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648877540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:38,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:38,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:38,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692528924] [2022-11-20 11:22:38,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:38,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:38,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:38,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:38,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:38,902 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 513 out of 707 [2022-11-20 11:22:38,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 487 places, 494 transitions, 1036 flow. Second operand has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:38,904 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:38,904 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 513 of 707 [2022-11-20 11:22:38,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:41,195 INFO L130 PetriNetUnfolder]: 2636/7019 cut-off events. [2022-11-20 11:22:41,196 INFO L131 PetriNetUnfolder]: For 1294/1310 co-relation queries the response was YES. [2022-11-20 11:22:41,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11418 conditions, 7019 events. 2636/7019 cut-off events. For 1294/1310 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 52966 event pairs, 378 based on Foata normal form. 4/5950 useless extension candidates. Maximal degree in co-relation 11343. Up to 2446 conditions per place. [2022-11-20 11:22:41,270 INFO L137 encePairwiseOnDemand]: 694/707 looper letters, 45 selfloop transitions, 10 changer transitions 0/505 dead transitions. [2022-11-20 11:22:41,270 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 483 places, 505 transitions, 1187 flow [2022-11-20 11:22:41,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:41,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1591 transitions. [2022-11-20 11:22:41,274 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7501178689297501 [2022-11-20 11:22:41,275 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1591 transitions. [2022-11-20 11:22:41,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1591 transitions. [2022-11-20 11:22:41,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:41,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1591 transitions. [2022-11-20 11:22:41,278 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:41,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:41,281 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:41,282 INFO L175 Difference]: Start difference. First operand has 487 places, 494 transitions, 1036 flow. Second operand 3 states and 1591 transitions. [2022-11-20 11:22:41,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 483 places, 505 transitions, 1187 flow [2022-11-20 11:22:41,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 505 transitions, 1183 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:41,291 INFO L231 Difference]: Finished difference. Result has 482 places, 489 transitions, 1054 flow [2022-11-20 11:22:41,292 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1020, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=488, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1054, PETRI_PLACES=482, PETRI_TRANSITIONS=489} [2022-11-20 11:22:41,293 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-20 11:22:41,293 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 489 transitions, 1054 flow [2022-11-20 11:22:41,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:41,294 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:41,294 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:41,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-20 11:22:41,294 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:41,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:41,295 INFO L85 PathProgramCache]: Analyzing trace with hash 338753014, now seen corresponding path program 1 times [2022-11-20 11:22:41,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:41,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832584591] [2022-11-20 11:22:41,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:41,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:41,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:41,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832584591] [2022-11-20 11:22:41,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832584591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:41,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:41,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:41,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185789547] [2022-11-20 11:22:41,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:41,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:41,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:41,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:41,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:41,400 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:41,401 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 489 transitions, 1054 flow. Second operand has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:41,402 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:41,402 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:41,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:43,175 INFO L130 PetriNetUnfolder]: 2648/6061 cut-off events. [2022-11-20 11:22:43,175 INFO L131 PetriNetUnfolder]: For 4958/5062 co-relation queries the response was YES. [2022-11-20 11:22:43,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11306 conditions, 6061 events. 2648/6061 cut-off events. For 4958/5062 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 38655 event pairs, 130 based on Foata normal form. 25/5328 useless extension candidates. Maximal degree in co-relation 11231. Up to 2268 conditions per place. [2022-11-20 11:22:43,248 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 48 selfloop transitions, 4 changer transitions 0/509 dead transitions. [2022-11-20 11:22:43,248 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 509 transitions, 1251 flow [2022-11-20 11:22:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:43,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1618 transitions. [2022-11-20 11:22:43,252 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7628477133427628 [2022-11-20 11:22:43,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1618 transitions. [2022-11-20 11:22:43,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1618 transitions. [2022-11-20 11:22:43,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:43,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1618 transitions. [2022-11-20 11:22:43,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.3333333333334) internal successors, (1618), 3 states have internal predecessors, (1618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:43,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:43,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:43,260 INFO L175 Difference]: Start difference. First operand has 482 places, 489 transitions, 1054 flow. Second operand 3 states and 1618 transitions. [2022-11-20 11:22:43,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 509 transitions, 1251 flow [2022-11-20 11:22:43,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 509 transitions, 1232 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:43,273 INFO L231 Difference]: Finished difference. Result has 482 places, 488 transitions, 1056 flow [2022-11-20 11:22:43,274 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1040, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=487, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1056, PETRI_PLACES=482, PETRI_TRANSITIONS=488} [2022-11-20 11:22:43,275 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-20 11:22:43,275 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 488 transitions, 1056 flow [2022-11-20 11:22:43,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.3333333333334) internal successors, (1579), 3 states have internal predecessors, (1579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:43,275 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:43,276 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:43,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-20 11:22:43,276 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:43,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:43,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1654970831, now seen corresponding path program 1 times [2022-11-20 11:22:43,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:43,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167342608] [2022-11-20 11:22:43,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:43,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:43,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:43,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167342608] [2022-11-20 11:22:43,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167342608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:43,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:43,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:43,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366889839] [2022-11-20 11:22:43,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:43,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:43,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:43,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:43,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:43,367 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:43,369 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 488 transitions, 1056 flow. Second operand has 3 states, 3 states have (on average 526.6666666666666) internal successors, (1580), 3 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:43,369 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:43,369 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:43,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:46,432 INFO L130 PetriNetUnfolder]: 3666/10954 cut-off events. [2022-11-20 11:22:46,432 INFO L131 PetriNetUnfolder]: For 5612/5730 co-relation queries the response was YES. [2022-11-20 11:22:46,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18160 conditions, 10954 events. 3666/10954 cut-off events. For 5612/5730 co-relation queries the response was YES. Maximal size of possible extension queue 300. Compared 100195 event pairs, 418 based on Foata normal form. 21/8879 useless extension candidates. Maximal degree in co-relation 18084. Up to 3192 conditions per place. [2022-11-20 11:22:46,541 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 47 selfloop transitions, 4 changer transitions 0/507 dead transitions. [2022-11-20 11:22:46,541 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 507 transitions, 1248 flow [2022-11-20 11:22:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:46,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1617 transitions. [2022-11-20 11:22:46,545 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7623762376237624 [2022-11-20 11:22:46,546 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1617 transitions. [2022-11-20 11:22:46,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1617 transitions. [2022-11-20 11:22:46,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:46,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1617 transitions. [2022-11-20 11:22:46,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 539.0) internal successors, (1617), 3 states have internal predecessors, (1617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:46,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:46,552 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:46,552 INFO L175 Difference]: Start difference. First operand has 482 places, 488 transitions, 1056 flow. Second operand 3 states and 1617 transitions. [2022-11-20 11:22:46,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 507 transitions, 1248 flow [2022-11-20 11:22:46,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 507 transitions, 1241 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:46,564 INFO L231 Difference]: Finished difference. Result has 482 places, 487 transitions, 1064 flow [2022-11-20 11:22:46,565 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1048, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=486, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1064, PETRI_PLACES=482, PETRI_TRANSITIONS=487} [2022-11-20 11:22:46,566 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-20 11:22:46,566 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 487 transitions, 1064 flow [2022-11-20 11:22:46,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 526.6666666666666) internal successors, (1580), 3 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:46,566 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:46,567 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:46,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-20 11:22:46,567 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:46,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:46,568 INFO L85 PathProgramCache]: Analyzing trace with hash -860791615, now seen corresponding path program 1 times [2022-11-20 11:22:46,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:46,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325869956] [2022-11-20 11:22:46,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:46,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:46,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:46,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325869956] [2022-11-20 11:22:46,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325869956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:46,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:46,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:46,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120232778] [2022-11-20 11:22:46,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:46,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:46,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:46,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:46,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:46,668 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:22:46,669 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 487 transitions, 1064 flow. Second operand has 3 states, 3 states have (on average 527.0) internal successors, (1581), 3 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:46,669 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:46,669 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:22:46,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:49,970 INFO L130 PetriNetUnfolder]: 3823/11961 cut-off events. [2022-11-20 11:22:49,971 INFO L131 PetriNetUnfolder]: For 8864/9120 co-relation queries the response was YES. [2022-11-20 11:22:50,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20850 conditions, 11961 events. 3823/11961 cut-off events. For 8864/9120 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 120349 event pairs, 498 based on Foata normal form. 64/10013 useless extension candidates. Maximal degree in co-relation 20773. Up to 3888 conditions per place. [2022-11-20 11:22:50,099 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 46 selfloop transitions, 4 changer transitions 0/505 dead transitions. [2022-11-20 11:22:50,099 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 505 transitions, 1257 flow [2022-11-20 11:22:50,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:50,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:50,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1616 transitions. [2022-11-20 11:22:50,104 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2022-11-20 11:22:50,104 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1616 transitions. [2022-11-20 11:22:50,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1616 transitions. [2022-11-20 11:22:50,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:50,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1616 transitions. [2022-11-20 11:22:50,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 538.6666666666666) internal successors, (1616), 3 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:50,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:50,112 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:50,113 INFO L175 Difference]: Start difference. First operand has 482 places, 487 transitions, 1064 flow. Second operand 3 states and 1616 transitions. [2022-11-20 11:22:50,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 482 places, 505 transitions, 1257 flow [2022-11-20 11:22:50,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 505 transitions, 1250 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:50,191 INFO L231 Difference]: Finished difference. Result has 482 places, 486 transitions, 1072 flow [2022-11-20 11:22:50,191 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1056, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1072, PETRI_PLACES=482, PETRI_TRANSITIONS=486} [2022-11-20 11:22:50,192 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-20 11:22:50,192 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 486 transitions, 1072 flow [2022-11-20 11:22:50,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 527.0) internal successors, (1581), 3 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:50,192 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:50,193 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:50,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-20 11:22:50,193 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:50,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:50,193 INFO L85 PathProgramCache]: Analyzing trace with hash 571040956, now seen corresponding path program 1 times [2022-11-20 11:22:50,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:50,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062812005] [2022-11-20 11:22:50,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:50,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:51,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:51,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062812005] [2022-11-20 11:22:51,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062812005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:51,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:51,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:22:51,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803557963] [2022-11-20 11:22:51,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:51,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:22:51,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:51,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:22:51,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:22:51,109 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-20 11:22:51,112 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 486 transitions, 1072 flow. Second operand has 6 states, 6 states have (on average 479.1666666666667) internal successors, (2875), 6 states have internal predecessors, (2875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:51,112 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:51,112 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-20 11:22:51,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:55,994 INFO L130 PetriNetUnfolder]: 6431/10929 cut-off events. [2022-11-20 11:22:55,995 INFO L131 PetriNetUnfolder]: For 21192/21192 co-relation queries the response was YES. [2022-11-20 11:22:56,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29034 conditions, 10929 events. 6431/10929 cut-off events. For 21192/21192 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 62771 event pairs, 858 based on Foata normal form. 0/10165 useless extension candidates. Maximal degree in co-relation 28954. Up to 7168 conditions per place. [2022-11-20 11:22:56,166 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 141 selfloop transitions, 4 changer transitions 0/557 dead transitions. [2022-11-20 11:22:56,166 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 557 transitions, 1756 flow [2022-11-20 11:22:56,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:22:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:22:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2978 transitions. [2022-11-20 11:22:56,171 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.702027345591702 [2022-11-20 11:22:56,172 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2978 transitions. [2022-11-20 11:22:56,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2978 transitions. [2022-11-20 11:22:56,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:56,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2978 transitions. [2022-11-20 11:22:56,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 496.3333333333333) internal successors, (2978), 6 states have internal predecessors, (2978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:56,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:56,182 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:56,182 INFO L175 Difference]: Start difference. First operand has 482 places, 486 transitions, 1072 flow. Second operand 6 states and 2978 transitions. [2022-11-20 11:22:56,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 557 transitions, 1756 flow [2022-11-20 11:22:56,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 557 transitions, 1740 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:56,203 INFO L231 Difference]: Finished difference. Result has 485 places, 485 transitions, 1074 flow [2022-11-20 11:22:56,204 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1066, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1074, PETRI_PLACES=485, PETRI_TRANSITIONS=485} [2022-11-20 11:22:56,204 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-20 11:22:56,205 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 485 transitions, 1074 flow [2022-11-20 11:22:56,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 479.1666666666667) internal successors, (2875), 6 states have internal predecessors, (2875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:56,205 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:56,206 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:56,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-20 11:22:56,206 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:22:56,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:56,207 INFO L85 PathProgramCache]: Analyzing trace with hash -802239077, now seen corresponding path program 1 times [2022-11-20 11:22:56,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:56,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532154477] [2022-11-20 11:22:56,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:56,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:57,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:57,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532154477] [2022-11-20 11:22:57,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532154477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:57,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:57,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:22:57,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327792088] [2022-11-20 11:22:57,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:57,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:22:57,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:57,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:22:57,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:22:57,201 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-20 11:22:57,203 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 485 transitions, 1074 flow. Second operand has 6 states, 6 states have (on average 480.1666666666667) internal successors, (2881), 6 states have internal predecessors, (2881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:57,203 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:57,203 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-20 11:22:57,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:23:01,480 INFO L130 PetriNetUnfolder]: 6235/10374 cut-off events. [2022-11-20 11:23:01,480 INFO L131 PetriNetUnfolder]: For 12448/12448 co-relation queries the response was YES. [2022-11-20 11:23:01,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28015 conditions, 10374 events. 6235/10374 cut-off events. For 12448/12448 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 58438 event pairs, 291 based on Foata normal form. 0/9648 useless extension candidates. Maximal degree in co-relation 27934. Up to 5632 conditions per place. [2022-11-20 11:23:01,636 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 104 selfloop transitions, 4 changer transitions 0/520 dead transitions. [2022-11-20 11:23:01,636 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 520 transitions, 1480 flow [2022-11-20 11:23:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:23:01,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:23:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2953 transitions. [2022-11-20 11:23:01,640 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6961338991041961 [2022-11-20 11:23:01,640 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2953 transitions. [2022-11-20 11:23:01,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2953 transitions. [2022-11-20 11:23:01,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:23:01,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2953 transitions. [2022-11-20 11:23:01,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 492.1666666666667) internal successors, (2953), 6 states have internal predecessors, (2953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:01,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:01,649 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:01,650 INFO L175 Difference]: Start difference. First operand has 485 places, 485 transitions, 1074 flow. Second operand 6 states and 2953 transitions. [2022-11-20 11:23:01,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 520 transitions, 1480 flow [2022-11-20 11:23:01,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 520 transitions, 1473 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:23:01,665 INFO L231 Difference]: Finished difference. Result has 485 places, 484 transitions, 1073 flow [2022-11-20 11:23:01,666 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=484, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1073, PETRI_PLACES=485, PETRI_TRANSITIONS=484} [2022-11-20 11:23:01,667 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-20 11:23:01,667 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 484 transitions, 1073 flow [2022-11-20 11:23:01,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 480.1666666666667) internal successors, (2881), 6 states have internal predecessors, (2881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:01,667 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:23:01,668 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:23:01,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-20 11:23:01,668 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:23:01,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:23:01,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1186809364, now seen corresponding path program 1 times [2022-11-20 11:23:01,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:23:01,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182612711] [2022-11-20 11:23:01,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:23:01,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:23:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:23:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:23:02,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:23:02,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182612711] [2022-11-20 11:23:02,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182612711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:23:02,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:23:02,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:23:02,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394348356] [2022-11-20 11:23:02,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:23:02,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:23:02,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:23:02,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:23:02,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:23:02,618 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-20 11:23:02,620 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 484 transitions, 1073 flow. Second operand has 6 states, 6 states have (on average 481.1666666666667) internal successors, (2887), 6 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:02,620 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:23:02,620 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-20 11:23:02,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:23:06,888 INFO L130 PetriNetUnfolder]: 6063/10139 cut-off events. [2022-11-20 11:23:06,889 INFO L131 PetriNetUnfolder]: For 12120/12120 co-relation queries the response was YES. [2022-11-20 11:23:06,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27400 conditions, 10139 events. 6063/10139 cut-off events. For 12120/12120 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 57198 event pairs, 614 based on Foata normal form. 0/9475 useless extension candidates. Maximal degree in co-relation 27319. Up to 3584 conditions per place. [2022-11-20 11:23:07,047 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 91 selfloop transitions, 4 changer transitions 0/507 dead transitions. [2022-11-20 11:23:07,047 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 507 transitions, 1389 flow [2022-11-20 11:23:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:23:07,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:23:07,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2944 transitions. [2022-11-20 11:23:07,051 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.694012258368694 [2022-11-20 11:23:07,052 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2944 transitions. [2022-11-20 11:23:07,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2944 transitions. [2022-11-20 11:23:07,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:23:07,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2944 transitions. [2022-11-20 11:23:07,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 490.6666666666667) internal successors, (2944), 6 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:07,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:07,061 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:07,062 INFO L175 Difference]: Start difference. First operand has 485 places, 484 transitions, 1073 flow. Second operand 6 states and 2944 transitions. [2022-11-20 11:23:07,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 507 transitions, 1389 flow [2022-11-20 11:23:07,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 507 transitions, 1382 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:23:07,078 INFO L231 Difference]: Finished difference. Result has 485 places, 483 transitions, 1072 flow [2022-11-20 11:23:07,079 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1064, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1072, PETRI_PLACES=485, PETRI_TRANSITIONS=483} [2022-11-20 11:23:07,079 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-20 11:23:07,080 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 483 transitions, 1072 flow [2022-11-20 11:23:07,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 481.1666666666667) internal successors, (2887), 6 states have internal predecessors, (2887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:07,080 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:23:07,081 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:23:07,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-20 11:23:07,081 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:23:07,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:23:07,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2036558796, now seen corresponding path program 1 times [2022-11-20 11:23:07,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:23:07,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043592813] [2022-11-20 11:23:07,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:23:07,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:23:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:23:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:23:08,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:23:08,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043592813] [2022-11-20 11:23:08,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043592813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:23:08,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:23:08,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:23:08,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609685144] [2022-11-20 11:23:08,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:23:08,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:23:08,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:23:08,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:23:08,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:23:08,044 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 707 [2022-11-20 11:23:08,057 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 483 transitions, 1072 flow. Second operand has 6 states, 6 states have (on average 482.1666666666667) internal successors, (2893), 6 states have internal predecessors, (2893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:08,065 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:23:08,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 707 [2022-11-20 11:23:08,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:23:12,051 INFO L130 PetriNetUnfolder]: 5855/9805 cut-off events. [2022-11-20 11:23:12,051 INFO L131 PetriNetUnfolder]: For 11736/11736 co-relation queries the response was YES. [2022-11-20 11:23:12,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26646 conditions, 9805 events. 5855/9805 cut-off events. For 11736/11736 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 55023 event pairs, 1006 based on Foata normal form. 0/9271 useless extension candidates. Maximal degree in co-relation 26565. Up to 5514 conditions per place. [2022-11-20 11:23:12,243 INFO L137 encePairwiseOnDemand]: 702/707 looper letters, 78 selfloop transitions, 4 changer transitions 0/494 dead transitions. [2022-11-20 11:23:12,243 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 494 transitions, 1298 flow [2022-11-20 11:23:12,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:23:12,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:23:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2935 transitions. [2022-11-20 11:23:12,247 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6918906176331919 [2022-11-20 11:23:12,247 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2935 transitions. [2022-11-20 11:23:12,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2935 transitions. [2022-11-20 11:23:12,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:23:12,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2935 transitions. [2022-11-20 11:23:12,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 489.1666666666667) internal successors, (2935), 6 states have internal predecessors, (2935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:12,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:12,257 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 707.0) internal successors, (4949), 7 states have internal predecessors, (4949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:12,258 INFO L175 Difference]: Start difference. First operand has 485 places, 483 transitions, 1072 flow. Second operand 6 states and 2935 transitions. [2022-11-20 11:23:12,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 494 transitions, 1298 flow [2022-11-20 11:23:12,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 485 places, 494 transitions, 1291 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:23:12,275 INFO L231 Difference]: Finished difference. Result has 485 places, 482 transitions, 1071 flow [2022-11-20 11:23:12,276 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1063, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1071, PETRI_PLACES=485, PETRI_TRANSITIONS=482} [2022-11-20 11:23:12,276 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -173 predicate places. [2022-11-20 11:23:12,277 INFO L495 AbstractCegarLoop]: Abstraction has has 485 places, 482 transitions, 1071 flow [2022-11-20 11:23:12,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 482.1666666666667) internal successors, (2893), 6 states have internal predecessors, (2893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:12,277 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:23:12,278 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:23:12,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-20 11:23:12,278 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 336 more)] === [2022-11-20 11:23:12,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:23:12,278 INFO L85 PathProgramCache]: Analyzing trace with hash 744276831, now seen corresponding path program 1 times [2022-11-20 11:23:12,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:23:12,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364399800] [2022-11-20 11:23:12,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:23:12,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:23:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:23:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:23:12,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:23:12,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364399800] [2022-11-20 11:23:12,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364399800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:23:12,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:23:12,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:23:12,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858041486] [2022-11-20 11:23:12,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:23:12,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:23:12,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:23:12,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:23:12,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:23:12,395 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 525 out of 707 [2022-11-20 11:23:12,396 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 485 places, 482 transitions, 1071 flow. Second operand has 3 states, 3 states have (on average 529.0) internal successors, (1587), 3 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:12,396 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:23:12,396 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 525 of 707 [2022-11-20 11:23:12,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:23:14,130 INFO L130 PetriNetUnfolder]: 1151/6257 cut-off events. [2022-11-20 11:23:14,130 INFO L131 PetriNetUnfolder]: For 2520/2520 co-relation queries the response was YES. [2022-11-20 11:23:14,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10190 conditions, 6257 events. 1151/6257 cut-off events. For 2520/2520 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 59485 event pairs, 210 based on Foata normal form. 256/5717 useless extension candidates. Maximal degree in co-relation 10109. Up to 1518 conditions per place. [2022-11-20 11:23:14,164 INFO L137 encePairwiseOnDemand]: 705/707 looper letters, 0 selfloop transitions, 0 changer transitions 481/481 dead transitions. [2022-11-20 11:23:14,164 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 486 places, 481 transitions, 1127 flow [2022-11-20 11:23:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:23:14,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:23:14,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1599 transitions. [2022-11-20 11:23:14,173 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7538896746817539 [2022-11-20 11:23:14,174 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1599 transitions. [2022-11-20 11:23:14,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1599 transitions. [2022-11-20 11:23:14,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:23:14,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1599 transitions. [2022-11-20 11:23:14,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 533.0) internal successors, (1599), 3 states have internal predecessors, (1599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:14,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:14,181 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 707.0) internal successors, (2828), 4 states have internal predecessors, (2828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:14,181 INFO L175 Difference]: Start difference. First operand has 485 places, 482 transitions, 1071 flow. Second operand 3 states and 1599 transitions. [2022-11-20 11:23:14,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 486 places, 481 transitions, 1127 flow [2022-11-20 11:23:14,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 481 transitions, 1120 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:23:14,192 INFO L231 Difference]: Finished difference. Result has 482 places, 0 transitions, 0 flow [2022-11-20 11:23:14,193 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=707, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=480, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=482, PETRI_TRANSITIONS=0} [2022-11-20 11:23:14,193 INFO L288 CegarLoopForPetriNet]: 658 programPoint places, -176 predicate places. [2022-11-20 11:23:14,194 INFO L495 AbstractCegarLoop]: Abstraction has has 482 places, 0 transitions, 0 flow [2022-11-20 11:23:14,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 529.0) internal successors, (1587), 3 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:23:14,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (339 of 340 remaining) [2022-11-20 11:23:14,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (338 of 340 remaining) [2022-11-20 11:23:14,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (337 of 340 remaining) [2022-11-20 11:23:14,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (336 of 340 remaining) [2022-11-20 11:23:14,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (335 of 340 remaining) [2022-11-20 11:23:14,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (334 of 340 remaining) [2022-11-20 11:23:14,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (333 of 340 remaining) [2022-11-20 11:23:14,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (332 of 340 remaining) [2022-11-20 11:23:14,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (331 of 340 remaining) [2022-11-20 11:23:14,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (330 of 340 remaining) [2022-11-20 11:23:14,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (329 of 340 remaining) [2022-11-20 11:23:14,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (328 of 340 remaining) [2022-11-20 11:23:14,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (327 of 340 remaining) [2022-11-20 11:23:14,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (326 of 340 remaining) [2022-11-20 11:23:14,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (325 of 340 remaining) [2022-11-20 11:23:14,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (324 of 340 remaining) [2022-11-20 11:23:14,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (323 of 340 remaining) [2022-11-20 11:23:14,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (322 of 340 remaining) [2022-11-20 11:23:14,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (321 of 340 remaining) [2022-11-20 11:23:14,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (320 of 340 remaining) [2022-11-20 11:23:14,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (319 of 340 remaining) [2022-11-20 11:23:14,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (318 of 340 remaining) [2022-11-20 11:23:14,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (317 of 340 remaining) [2022-11-20 11:23:14,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (316 of 340 remaining) [2022-11-20 11:23:14,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (315 of 340 remaining) [2022-11-20 11:23:14,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (314 of 340 remaining) [2022-11-20 11:23:14,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (313 of 340 remaining) [2022-11-20 11:23:14,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (312 of 340 remaining) [2022-11-20 11:23:14,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (311 of 340 remaining) [2022-11-20 11:23:14,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (310 of 340 remaining) [2022-11-20 11:23:14,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (309 of 340 remaining) [2022-11-20 11:23:14,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (308 of 340 remaining) [2022-11-20 11:23:14,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (307 of 340 remaining) [2022-11-20 11:23:14,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (306 of 340 remaining) [2022-11-20 11:23:14,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (305 of 340 remaining) [2022-11-20 11:23:14,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (304 of 340 remaining) [2022-11-20 11:23:14,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (303 of 340 remaining) [2022-11-20 11:23:14,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (302 of 340 remaining) [2022-11-20 11:23:14,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (301 of 340 remaining) [2022-11-20 11:23:14,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (300 of 340 remaining) [2022-11-20 11:23:14,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (299 of 340 remaining) [2022-11-20 11:23:14,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (298 of 340 remaining) [2022-11-20 11:23:14,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (297 of 340 remaining) [2022-11-20 11:23:14,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (296 of 340 remaining) [2022-11-20 11:23:14,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (295 of 340 remaining) [2022-11-20 11:23:14,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (294 of 340 remaining) [2022-11-20 11:23:14,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (293 of 340 remaining) [2022-11-20 11:23:14,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (292 of 340 remaining) [2022-11-20 11:23:14,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (291 of 340 remaining) [2022-11-20 11:23:14,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (290 of 340 remaining) [2022-11-20 11:23:14,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err50ASSERT_VIOLATIONDATA_RACE (289 of 340 remaining) [2022-11-20 11:23:14,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err51ASSERT_VIOLATIONDATA_RACE (288 of 340 remaining) [2022-11-20 11:23:14,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err52ASSERT_VIOLATIONDATA_RACE (287 of 340 remaining) [2022-11-20 11:23:14,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err53ASSERT_VIOLATIONDATA_RACE (286 of 340 remaining) [2022-11-20 11:23:14,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err54ASSERT_VIOLATIONDATA_RACE (285 of 340 remaining) [2022-11-20 11:23:14,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err55ASSERT_VIOLATIONDATA_RACE (284 of 340 remaining) [2022-11-20 11:23:14,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err56ASSERT_VIOLATIONDATA_RACE (283 of 340 remaining) [2022-11-20 11:23:14,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err57ASSERT_VIOLATIONDATA_RACE (282 of 340 remaining) [2022-11-20 11:23:14,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err58ASSERT_VIOLATIONDATA_RACE (281 of 340 remaining) [2022-11-20 11:23:14,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err59ASSERT_VIOLATIONDATA_RACE (280 of 340 remaining) [2022-11-20 11:23:14,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err60ASSERT_VIOLATIONDATA_RACE (279 of 340 remaining) [2022-11-20 11:23:14,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err61ASSERT_VIOLATIONDATA_RACE (278 of 340 remaining) [2022-11-20 11:23:14,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err62ASSERT_VIOLATIONDATA_RACE (277 of 340 remaining) [2022-11-20 11:23:14,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err63ASSERT_VIOLATIONDATA_RACE (276 of 340 remaining) [2022-11-20 11:23:14,210 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err64ASSERT_VIOLATIONDATA_RACE (275 of 340 remaining) [2022-11-20 11:23:14,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err65ASSERT_VIOLATIONDATA_RACE (274 of 340 remaining) [2022-11-20 11:23:14,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err66ASSERT_VIOLATIONDATA_RACE (273 of 340 remaining) [2022-11-20 11:23:14,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err67ASSERT_VIOLATIONDATA_RACE (272 of 340 remaining) [2022-11-20 11:23:14,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err68ASSERT_VIOLATIONDATA_RACE (271 of 340 remaining) [2022-11-20 11:23:14,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err69ASSERT_VIOLATIONDATA_RACE (270 of 340 remaining) [2022-11-20 11:23:14,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err70ASSERT_VIOLATIONDATA_RACE (269 of 340 remaining) [2022-11-20 11:23:14,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err71ASSERT_VIOLATIONDATA_RACE (268 of 340 remaining) [2022-11-20 11:23:14,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err72ASSERT_VIOLATIONDATA_RACE (267 of 340 remaining) [2022-11-20 11:23:14,212 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err73ASSERT_VIOLATIONDATA_RACE (266 of 340 remaining) [2022-11-20 11:23:14,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err74ASSERT_VIOLATIONDATA_RACE (265 of 340 remaining) [2022-11-20 11:23:14,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (264 of 340 remaining) [2022-11-20 11:23:14,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (263 of 340 remaining) [2022-11-20 11:23:14,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (262 of 340 remaining) [2022-11-20 11:23:14,213 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (261 of 340 remaining) [2022-11-20 11:23:14,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (260 of 340 remaining) [2022-11-20 11:23:14,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (259 of 340 remaining) [2022-11-20 11:23:14,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (258 of 340 remaining) [2022-11-20 11:23:14,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (257 of 340 remaining) [2022-11-20 11:23:14,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (256 of 340 remaining) [2022-11-20 11:23:14,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (255 of 340 remaining) [2022-11-20 11:23:14,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (254 of 340 remaining) [2022-11-20 11:23:14,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (253 of 340 remaining) [2022-11-20 11:23:14,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (252 of 340 remaining) [2022-11-20 11:23:14,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (251 of 340 remaining) [2022-11-20 11:23:14,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (250 of 340 remaining) [2022-11-20 11:23:14,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (249 of 340 remaining) [2022-11-20 11:23:14,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (248 of 340 remaining) [2022-11-20 11:23:14,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (247 of 340 remaining) [2022-11-20 11:23:14,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (246 of 340 remaining) [2022-11-20 11:23:14,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (245 of 340 remaining) [2022-11-20 11:23:14,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (244 of 340 remaining) [2022-11-20 11:23:14,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (243 of 340 remaining) [2022-11-20 11:23:14,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (242 of 340 remaining) [2022-11-20 11:23:14,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (241 of 340 remaining) [2022-11-20 11:23:14,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (240 of 340 remaining) [2022-11-20 11:23:14,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (239 of 340 remaining) [2022-11-20 11:23:14,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (238 of 340 remaining) [2022-11-20 11:23:14,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (237 of 340 remaining) [2022-11-20 11:23:14,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (236 of 340 remaining) [2022-11-20 11:23:14,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (235 of 340 remaining) [2022-11-20 11:23:14,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (234 of 340 remaining) [2022-11-20 11:23:14,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (233 of 340 remaining) [2022-11-20 11:23:14,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (232 of 340 remaining) [2022-11-20 11:23:14,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (231 of 340 remaining) [2022-11-20 11:23:14,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (230 of 340 remaining) [2022-11-20 11:23:14,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (229 of 340 remaining) [2022-11-20 11:23:14,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (228 of 340 remaining) [2022-11-20 11:23:14,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (227 of 340 remaining) [2022-11-20 11:23:14,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (226 of 340 remaining) [2022-11-20 11:23:14,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (225 of 340 remaining) [2022-11-20 11:23:14,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (224 of 340 remaining) [2022-11-20 11:23:14,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (223 of 340 remaining) [2022-11-20 11:23:14,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (222 of 340 remaining) [2022-11-20 11:23:14,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (221 of 340 remaining) [2022-11-20 11:23:14,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (220 of 340 remaining) [2022-11-20 11:23:14,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (219 of 340 remaining) [2022-11-20 11:23:14,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (218 of 340 remaining) [2022-11-20 11:23:14,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (217 of 340 remaining) [2022-11-20 11:23:14,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (216 of 340 remaining) [2022-11-20 11:23:14,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (215 of 340 remaining) [2022-11-20 11:23:14,223 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (214 of 340 remaining) [2022-11-20 11:23:14,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (213 of 340 remaining) [2022-11-20 11:23:14,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (212 of 340 remaining) [2022-11-20 11:23:14,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (211 of 340 remaining) [2022-11-20 11:23:14,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (210 of 340 remaining) [2022-11-20 11:23:14,224 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (209 of 340 remaining) [2022-11-20 11:23:14,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (208 of 340 remaining) [2022-11-20 11:23:14,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (207 of 340 remaining) [2022-11-20 11:23:14,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (206 of 340 remaining) [2022-11-20 11:23:14,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (205 of 340 remaining) [2022-11-20 11:23:14,225 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (204 of 340 remaining) [2022-11-20 11:23:14,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (203 of 340 remaining) [2022-11-20 11:23:14,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (202 of 340 remaining) [2022-11-20 11:23:14,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (201 of 340 remaining) [2022-11-20 11:23:14,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (200 of 340 remaining) [2022-11-20 11:23:14,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (199 of 340 remaining) [2022-11-20 11:23:14,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (198 of 340 remaining) [2022-11-20 11:23:14,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (197 of 340 remaining) [2022-11-20 11:23:14,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (196 of 340 remaining) [2022-11-20 11:23:14,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (195 of 340 remaining) [2022-11-20 11:23:14,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (194 of 340 remaining) [2022-11-20 11:23:14,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (193 of 340 remaining) [2022-11-20 11:23:14,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (192 of 340 remaining) [2022-11-20 11:23:14,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (191 of 340 remaining) [2022-11-20 11:23:14,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (190 of 340 remaining) [2022-11-20 11:23:14,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (189 of 340 remaining) [2022-11-20 11:23:14,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (188 of 340 remaining) [2022-11-20 11:23:14,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (187 of 340 remaining) [2022-11-20 11:23:14,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (186 of 340 remaining) [2022-11-20 11:23:14,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (185 of 340 remaining) [2022-11-20 11:23:14,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (184 of 340 remaining) [2022-11-20 11:23:14,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (183 of 340 remaining) [2022-11-20 11:23:14,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (182 of 340 remaining) [2022-11-20 11:23:14,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (181 of 340 remaining) [2022-11-20 11:23:14,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (180 of 340 remaining) [2022-11-20 11:23:14,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (179 of 340 remaining) [2022-11-20 11:23:14,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (178 of 340 remaining) [2022-11-20 11:23:14,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (177 of 340 remaining) [2022-11-20 11:23:14,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (176 of 340 remaining) [2022-11-20 11:23:14,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (175 of 340 remaining) [2022-11-20 11:23:14,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (174 of 340 remaining) [2022-11-20 11:23:14,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (173 of 340 remaining) [2022-11-20 11:23:14,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (172 of 340 remaining) [2022-11-20 11:23:14,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (171 of 340 remaining) [2022-11-20 11:23:14,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (170 of 340 remaining) [2022-11-20 11:23:14,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (169 of 340 remaining) [2022-11-20 11:23:14,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (168 of 340 remaining) [2022-11-20 11:23:14,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (167 of 340 remaining) [2022-11-20 11:23:14,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (166 of 340 remaining) [2022-11-20 11:23:14,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (165 of 340 remaining) [2022-11-20 11:23:14,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (164 of 340 remaining) [2022-11-20 11:23:14,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (163 of 340 remaining) [2022-11-20 11:23:14,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (162 of 340 remaining) [2022-11-20 11:23:14,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (161 of 340 remaining) [2022-11-20 11:23:14,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (160 of 340 remaining) [2022-11-20 11:23:14,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (159 of 340 remaining) [2022-11-20 11:23:14,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (158 of 340 remaining) [2022-11-20 11:23:14,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (157 of 340 remaining) [2022-11-20 11:23:14,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (156 of 340 remaining) [2022-11-20 11:23:14,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (155 of 340 remaining) [2022-11-20 11:23:14,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (154 of 340 remaining) [2022-11-20 11:23:14,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (153 of 340 remaining) [2022-11-20 11:23:14,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (152 of 340 remaining) [2022-11-20 11:23:14,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err23ASSERT_VIOLATIONDATA_RACE (151 of 340 remaining) [2022-11-20 11:23:14,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err24ASSERT_VIOLATIONDATA_RACE (150 of 340 remaining) [2022-11-20 11:23:14,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (149 of 340 remaining) [2022-11-20 11:23:14,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (148 of 340 remaining) [2022-11-20 11:23:14,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (147 of 340 remaining) [2022-11-20 11:23:14,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (146 of 340 remaining) [2022-11-20 11:23:14,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (145 of 340 remaining) [2022-11-20 11:23:14,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (144 of 340 remaining) [2022-11-20 11:23:14,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (143 of 340 remaining) [2022-11-20 11:23:14,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (142 of 340 remaining) [2022-11-20 11:23:14,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (141 of 340 remaining) [2022-11-20 11:23:14,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (140 of 340 remaining) [2022-11-20 11:23:14,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (139 of 340 remaining) [2022-11-20 11:23:14,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (138 of 340 remaining) [2022-11-20 11:23:14,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (137 of 340 remaining) [2022-11-20 11:23:14,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (136 of 340 remaining) [2022-11-20 11:23:14,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (135 of 340 remaining) [2022-11-20 11:23:14,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (134 of 340 remaining) [2022-11-20 11:23:14,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (133 of 340 remaining) [2022-11-20 11:23:14,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (132 of 340 remaining) [2022-11-20 11:23:14,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (131 of 340 remaining) [2022-11-20 11:23:14,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (130 of 340 remaining) [2022-11-20 11:23:14,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (129 of 340 remaining) [2022-11-20 11:23:14,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (128 of 340 remaining) [2022-11-20 11:23:14,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (127 of 340 remaining) [2022-11-20 11:23:14,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (126 of 340 remaining) [2022-11-20 11:23:14,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (125 of 340 remaining) [2022-11-20 11:23:14,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err25ASSERT_VIOLATIONDATA_RACE (124 of 340 remaining) [2022-11-20 11:23:14,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err26ASSERT_VIOLATIONDATA_RACE (123 of 340 remaining) [2022-11-20 11:23:14,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err27ASSERT_VIOLATIONDATA_RACE (122 of 340 remaining) [2022-11-20 11:23:14,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err28ASSERT_VIOLATIONDATA_RACE (121 of 340 remaining) [2022-11-20 11:23:14,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err29ASSERT_VIOLATIONDATA_RACE (120 of 340 remaining) [2022-11-20 11:23:14,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err30ASSERT_VIOLATIONDATA_RACE (119 of 340 remaining) [2022-11-20 11:23:14,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err31ASSERT_VIOLATIONDATA_RACE (118 of 340 remaining) [2022-11-20 11:23:14,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err32ASSERT_VIOLATIONDATA_RACE (117 of 340 remaining) [2022-11-20 11:23:14,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err33ASSERT_VIOLATIONDATA_RACE (116 of 340 remaining) [2022-11-20 11:23:14,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err34ASSERT_VIOLATIONDATA_RACE (115 of 340 remaining) [2022-11-20 11:23:14,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err35ASSERT_VIOLATIONDATA_RACE (114 of 340 remaining) [2022-11-20 11:23:14,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err36ASSERT_VIOLATIONDATA_RACE (113 of 340 remaining) [2022-11-20 11:23:14,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err37ASSERT_VIOLATIONDATA_RACE (112 of 340 remaining) [2022-11-20 11:23:14,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err38ASSERT_VIOLATIONDATA_RACE (111 of 340 remaining) [2022-11-20 11:23:14,244 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err39ASSERT_VIOLATIONDATA_RACE (110 of 340 remaining) [2022-11-20 11:23:14,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err40ASSERT_VIOLATIONDATA_RACE (109 of 340 remaining) [2022-11-20 11:23:14,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err41ASSERT_VIOLATIONDATA_RACE (108 of 340 remaining) [2022-11-20 11:23:14,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err42ASSERT_VIOLATIONDATA_RACE (107 of 340 remaining) [2022-11-20 11:23:14,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err43ASSERT_VIOLATIONDATA_RACE (106 of 340 remaining) [2022-11-20 11:23:14,245 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err44ASSERT_VIOLATIONDATA_RACE (105 of 340 remaining) [2022-11-20 11:23:14,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err45ASSERT_VIOLATIONDATA_RACE (104 of 340 remaining) [2022-11-20 11:23:14,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err46ASSERT_VIOLATIONDATA_RACE (103 of 340 remaining) [2022-11-20 11:23:14,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err47ASSERT_VIOLATIONDATA_RACE (102 of 340 remaining) [2022-11-20 11:23:14,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err48ASSERT_VIOLATIONDATA_RACE (101 of 340 remaining) [2022-11-20 11:23:14,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err49ASSERT_VIOLATIONDATA_RACE (100 of 340 remaining) [2022-11-20 11:23:14,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err50ASSERT_VIOLATIONDATA_RACE (99 of 340 remaining) [2022-11-20 11:23:14,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err51ASSERT_VIOLATIONDATA_RACE (98 of 340 remaining) [2022-11-20 11:23:14,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err52ASSERT_VIOLATIONDATA_RACE (97 of 340 remaining) [2022-11-20 11:23:14,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err53ASSERT_VIOLATIONDATA_RACE (96 of 340 remaining) [2022-11-20 11:23:14,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err54ASSERT_VIOLATIONDATA_RACE (95 of 340 remaining) [2022-11-20 11:23:14,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err55ASSERT_VIOLATIONDATA_RACE (94 of 340 remaining) [2022-11-20 11:23:14,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err56ASSERT_VIOLATIONDATA_RACE (93 of 340 remaining) [2022-11-20 11:23:14,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err57ASSERT_VIOLATIONDATA_RACE (92 of 340 remaining) [2022-11-20 11:23:14,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err58ASSERT_VIOLATIONDATA_RACE (91 of 340 remaining) [2022-11-20 11:23:14,248 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err59ASSERT_VIOLATIONDATA_RACE (90 of 340 remaining) [2022-11-20 11:23:14,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err60ASSERT_VIOLATIONDATA_RACE (89 of 340 remaining) [2022-11-20 11:23:14,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err61ASSERT_VIOLATIONDATA_RACE (88 of 340 remaining) [2022-11-20 11:23:14,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err62ASSERT_VIOLATIONDATA_RACE (87 of 340 remaining) [2022-11-20 11:23:14,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err63ASSERT_VIOLATIONDATA_RACE (86 of 340 remaining) [2022-11-20 11:23:14,249 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err64ASSERT_VIOLATIONDATA_RACE (85 of 340 remaining) [2022-11-20 11:23:14,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err65ASSERT_VIOLATIONDATA_RACE (84 of 340 remaining) [2022-11-20 11:23:14,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err66ASSERT_VIOLATIONDATA_RACE (83 of 340 remaining) [2022-11-20 11:23:14,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err67ASSERT_VIOLATIONDATA_RACE (82 of 340 remaining) [2022-11-20 11:23:14,250 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err68ASSERT_VIOLATIONDATA_RACE (81 of 340 remaining) [2022-11-20 11:23:14,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err69ASSERT_VIOLATIONDATA_RACE (80 of 340 remaining) [2022-11-20 11:23:14,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err70ASSERT_VIOLATIONDATA_RACE (79 of 340 remaining) [2022-11-20 11:23:14,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err71ASSERT_VIOLATIONDATA_RACE (78 of 340 remaining) [2022-11-20 11:23:14,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err72ASSERT_VIOLATIONDATA_RACE (77 of 340 remaining) [2022-11-20 11:23:14,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err73ASSERT_VIOLATIONDATA_RACE (76 of 340 remaining) [2022-11-20 11:23:14,251 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err74ASSERT_VIOLATIONDATA_RACE (75 of 340 remaining) [2022-11-20 11:23:14,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (74 of 340 remaining) [2022-11-20 11:23:14,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (73 of 340 remaining) [2022-11-20 11:23:14,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (72 of 340 remaining) [2022-11-20 11:23:14,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (71 of 340 remaining) [2022-11-20 11:23:14,252 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (70 of 340 remaining) [2022-11-20 11:23:14,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (69 of 340 remaining) [2022-11-20 11:23:14,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (68 of 340 remaining) [2022-11-20 11:23:14,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (67 of 340 remaining) [2022-11-20 11:23:14,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (66 of 340 remaining) [2022-11-20 11:23:14,253 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 340 remaining) [2022-11-20 11:23:14,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 340 remaining) [2022-11-20 11:23:14,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (63 of 340 remaining) [2022-11-20 11:23:14,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (62 of 340 remaining) [2022-11-20 11:23:14,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (61 of 340 remaining) [2022-11-20 11:23:14,254 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (60 of 340 remaining) [2022-11-20 11:23:14,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (59 of 340 remaining) [2022-11-20 11:23:14,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (58 of 340 remaining) [2022-11-20 11:23:14,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (57 of 340 remaining) [2022-11-20 11:23:14,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (56 of 340 remaining) [2022-11-20 11:23:14,255 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (55 of 340 remaining) [2022-11-20 11:23:14,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (54 of 340 remaining) [2022-11-20 11:23:14,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (53 of 340 remaining) [2022-11-20 11:23:14,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (52 of 340 remaining) [2022-11-20 11:23:14,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (51 of 340 remaining) [2022-11-20 11:23:14,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (50 of 340 remaining) [2022-11-20 11:23:14,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (49 of 340 remaining) [2022-11-20 11:23:14,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (48 of 340 remaining) [2022-11-20 11:23:14,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (47 of 340 remaining) [2022-11-20 11:23:14,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (46 of 340 remaining) [2022-11-20 11:23:14,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (45 of 340 remaining) [2022-11-20 11:23:14,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (44 of 340 remaining) [2022-11-20 11:23:14,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (43 of 340 remaining) [2022-11-20 11:23:14,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (42 of 340 remaining) [2022-11-20 11:23:14,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (41 of 340 remaining) [2022-11-20 11:23:14,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (40 of 340 remaining) [2022-11-20 11:23:14,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (39 of 340 remaining) [2022-11-20 11:23:14,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (38 of 340 remaining) [2022-11-20 11:23:14,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (37 of 340 remaining) [2022-11-20 11:23:14,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (36 of 340 remaining) [2022-11-20 11:23:14,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (35 of 340 remaining) [2022-11-20 11:23:14,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (34 of 340 remaining) [2022-11-20 11:23:14,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (33 of 340 remaining) [2022-11-20 11:23:14,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (32 of 340 remaining) [2022-11-20 11:23:14,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (31 of 340 remaining) [2022-11-20 11:23:14,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (30 of 340 remaining) [2022-11-20 11:23:14,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err20ASSERT_VIOLATIONDATA_RACE (29 of 340 remaining) [2022-11-20 11:23:14,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err21ASSERT_VIOLATIONDATA_RACE (28 of 340 remaining) [2022-11-20 11:23:14,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err22ASSERT_VIOLATIONDATA_RACE (27 of 340 remaining) [2022-11-20 11:23:14,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err23ASSERT_VIOLATIONDATA_RACE (26 of 340 remaining) [2022-11-20 11:23:14,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err24ASSERT_VIOLATIONDATA_RACE (25 of 340 remaining) [2022-11-20 11:23:14,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (24 of 340 remaining) [2022-11-20 11:23:14,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (23 of 340 remaining) [2022-11-20 11:23:14,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (22 of 340 remaining) [2022-11-20 11:23:14,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (21 of 340 remaining) [2022-11-20 11:23:14,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (20 of 340 remaining) [2022-11-20 11:23:14,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (19 of 340 remaining) [2022-11-20 11:23:14,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (18 of 340 remaining) [2022-11-20 11:23:14,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (17 of 340 remaining) [2022-11-20 11:23:14,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (16 of 340 remaining) [2022-11-20 11:23:14,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (15 of 340 remaining) [2022-11-20 11:23:14,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (14 of 340 remaining) [2022-11-20 11:23:14,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (13 of 340 remaining) [2022-11-20 11:23:14,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (12 of 340 remaining) [2022-11-20 11:23:14,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (11 of 340 remaining) [2022-11-20 11:23:14,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (10 of 340 remaining) [2022-11-20 11:23:14,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (9 of 340 remaining) [2022-11-20 11:23:14,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (8 of 340 remaining) [2022-11-20 11:23:14,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (7 of 340 remaining) [2022-11-20 11:23:14,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (6 of 340 remaining) [2022-11-20 11:23:14,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (5 of 340 remaining) [2022-11-20 11:23:14,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (4 of 340 remaining) [2022-11-20 11:23:14,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (3 of 340 remaining) [2022-11-20 11:23:14,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err22ASSERT_VIOLATIONDATA_RACE (2 of 340 remaining) [2022-11-20 11:23:14,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err23ASSERT_VIOLATIONDATA_RACE (1 of 340 remaining) [2022-11-20 11:23:14,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err24ASSERT_VIOLATIONDATA_RACE (0 of 340 remaining) [2022-11-20 11:23:14,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-20 11:23:14,267 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:23:14,280 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 11:23:14,280 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:23:14,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:23:14 BasicIcfg [2022-11-20 11:23:14,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:23:14,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:23:14,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:23:14,293 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:23:14,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:22:20" (3/4) ... [2022-11-20 11:23:14,297 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:23:14,303 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 11:23:14,303 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 11:23:14,303 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 11:23:14,304 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-20 11:23:14,328 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2022-11-20 11:23:14,330 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:23:14,331 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:23:14,332 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:23:14,407 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:23:14,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:23:14,408 INFO L158 Benchmark]: Toolchain (without parser) took 57314.45ms. Allocated memory was 155.2MB in the beginning and 11.4GB in the end (delta: 11.3GB). Free memory was 112.2MB in the beginning and 10.2GB in the end (delta: -10.1GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-20 11:23:14,409 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory was 70.2MB in the beginning and 70.0MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:23:14,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.46ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 95.6MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:23:14,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.25ms. Allocated memory is still 155.2MB. Free memory was 95.6MB in the beginning and 89.1MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 11:23:14,414 INFO L158 Benchmark]: Boogie Preprocessor took 104.62ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 83.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 11:23:14,414 INFO L158 Benchmark]: RCFGBuilder took 3085.87ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 83.2MB in the beginning and 93.2MB in the end (delta: -10.0MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2022-11-20 11:23:14,416 INFO L158 Benchmark]: TraceAbstraction took 53550.49ms. Allocated memory was 192.9MB in the beginning and 11.4GB in the end (delta: 11.2GB). Free memory was 93.2MB in the beginning and 10.2GB in the end (delta: -10.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2022-11-20 11:23:14,416 INFO L158 Benchmark]: Witness Printer took 115.29ms. Allocated memory is still 11.4GB. Free memory was 10.2GB in the beginning and 10.2GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 11:23:14,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory was 70.2MB in the beginning and 70.0MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.46ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 95.6MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.25ms. Allocated memory is still 155.2MB. Free memory was 95.6MB in the beginning and 89.1MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.62ms. Allocated memory is still 155.2MB. Free memory was 89.1MB in the beginning and 83.8MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3085.87ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 83.2MB in the beginning and 93.2MB in the end (delta: -10.0MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * TraceAbstraction took 53550.49ms. Allocated memory was 192.9MB in the beginning and 11.4GB in the end (delta: 11.2GB). Free memory was 93.2MB in the beginning and 10.2GB in the end (delta: -10.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 115.29ms. Allocated memory is still 11.4GB. Free memory was 10.2GB in the beginning and 10.2GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 76]: 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: 76]: 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: 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: 77]: 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: 77]: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 170]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 172]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 173]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 174]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 174]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 175]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 175]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 177]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 178]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 178]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 179]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 180]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 180]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 182]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 183]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 183]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 184]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 185]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 185]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 187]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 188]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 188]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 189]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 190]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 190]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 217]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 192]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 193]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 200]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 201]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 202]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 203]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 205]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 152]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 897 locations, 340 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: 53.1s, OverallIterations: 37, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 45.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 277 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 277 mSDsluCounter, 347 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2515 IncrementalHoareTripleChecker+Invalid, 2745 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 230 mSolverCounterUnsat, 347 mSDtfsCounter, 2515 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1386occurred in iteration=0, InterpolantAutomatonStates: 126, 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: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 6968 NumberOfCodeBlocks, 6968 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 6931 ConstructedInterpolants, 0 QuantifiedInterpolants, 7434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 37 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 186 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 11:23:14,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b2aa4fc-77c1-4d6a-a615-bc2f20f9013c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE