./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ --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 23d465ba9caf460ed15aca3aec6b262b1ee2c4f0003cc0e5fbc446c20cfe164a --- 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-dbf71c6-m [2022-10-17 10:30:21,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:30:21,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:30:21,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:30:21,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:30:21,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:30:21,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:30:21,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:30:21,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:30:21,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:30:21,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:30:21,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:30:21,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:30:21,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:30:21,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:30:21,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:30:21,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:30:21,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:30:21,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:30:21,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:30:21,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:30:21,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:30:21,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:30:21,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:30:21,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:30:21,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:30:21,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:30:21,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:30:21,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:30:21,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:30:21,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:30:21,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:30:21,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:30:21,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:30:21,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:30:21,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:30:21,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:30:21,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:30:21,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:30:21,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:30:21,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:30:21,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-10-17 10:30:21,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:30:21,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:30:21,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:30:21,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:30:21,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:30:21,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:30:21,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:30:21,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:30:21,561 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:30:21,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:30:21,563 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:30:21,563 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:30:21,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:30:21,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:30:21,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:30:21,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:30:21,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:30:21,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:30:21,564 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 10:30:21,565 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:30:21,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:30:21,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:30:21,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:30:21,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:30:21,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:30:21,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:30:21,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:30:21,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:30:21,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:30:21,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:30:21,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:30:21,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:30:21,570 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:30:21,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:30:21,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:30:21,570 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_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d465ba9caf460ed15aca3aec6b262b1ee2c4f0003cc0e5fbc446c20cfe164a [2022-10-17 10:30:21,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:30:21,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:30:21,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:30:21,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:30:21,944 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:30:21,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2022-10-17 10:30:22,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/data/09f005df5/dbd2b7c0c6bc42ac8518f328d55f4890/FLAG3e3d673b2 [2022-10-17 10:30:22,690 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:30:22,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/sv-benchmarks/c/goblint-regression/06-symbeq_15-list_entry_nr.i [2022-10-17 10:30:22,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/data/09f005df5/dbd2b7c0c6bc42ac8518f328d55f4890/FLAG3e3d673b2 [2022-10-17 10:30:22,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/data/09f005df5/dbd2b7c0c6bc42ac8518f328d55f4890 [2022-10-17 10:30:22,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:30:22,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:30:22,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:22,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:30:22,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:30:22,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:22" (1/1) ... [2022-10-17 10:30:22,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75512475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:22, skipping insertion in model container [2022-10-17 10:30:22,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:22" (1/1) ... [2022-10-17 10:30:22,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:30:22,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:30:23,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:23,824 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:30:23,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:23,957 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:30:23,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23 WrapperNode [2022-10-17 10:30:23,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:23,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:23,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:30:23,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:30:23,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (1/1) ... [2022-10-17 10:30:23,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (1/1) ... [2022-10-17 10:30:24,021 INFO L138 Inliner]: procedures = 365, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 93 [2022-10-17 10:30:24,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:24,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:30:24,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:30:24,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:30:24,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (1/1) ... [2022-10-17 10:30:24,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (1/1) ... [2022-10-17 10:30:24,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (1/1) ... [2022-10-17 10:30:24,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (1/1) ... [2022-10-17 10:30:24,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (1/1) ... [2022-10-17 10:30:24,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (1/1) ... [2022-10-17 10:30:24,055 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (1/1) ... [2022-10-17 10:30:24,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (1/1) ... [2022-10-17 10:30:24,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:30:24,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:30:24,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:30:24,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:30:24,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (1/1) ... [2022-10-17 10:30:24,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:30:24,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:24,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:24,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19223a78-5872-49f4-af11-d208aa9c4b79/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:30:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:30:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:30:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:30:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:30:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 10:30:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:30:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 10:30:24,178 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 10:30:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:30:24,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:30:24,180 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 10:30:24,329 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:30:24,331 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:30:24,703 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:30:24,713 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:30:24,713 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:30:24,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:24 BoogieIcfgContainer [2022-10-17 10:30:24,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:30:24,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:30:24,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:30:24,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:30:24,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:30:22" (1/3) ... [2022-10-17 10:30:24,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502f4080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:30:24, skipping insertion in model container [2022-10-17 10:30:24,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:23" (2/3) ... [2022-10-17 10:30:24,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502f4080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:30:24, skipping insertion in model container [2022-10-17 10:30:24,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:24" (3/3) ... [2022-10-17 10:30:24,726 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2022-10-17 10:30:24,735 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 10:30:24,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:30:24,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-10-17 10:30:24,746 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 10:30:24,871 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-17 10:30:24,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 115 transitions, 235 flow [2022-10-17 10:30:25,020 INFO L130 PetriNetUnfolder]: 0/114 cut-off events. [2022-10-17 10:30:25,021 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:30:25,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 114 events. 0/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 82 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-10-17 10:30:25,023 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 115 transitions, 235 flow [2022-10-17 10:30:25,031 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 114 transitions, 231 flow [2022-10-17 10:30:25,042 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:30:25,050 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;@3384b023, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:30:25,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-10-17 10:30:25,056 INFO L130 PetriNetUnfolder]: 0/15 cut-off events. [2022-10-17 10:30:25,059 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:30:25,059 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:25,060 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:25,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:25,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:25,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1485637970, now seen corresponding path program 1 times [2022-10-17 10:30:25,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:25,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98040026] [2022-10-17 10:30:25,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:25,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:25,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:25,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98040026] [2022-10-17 10:30:25,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98040026] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:25,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:25,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:30:25,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818461308] [2022-10-17 10:30:25,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:25,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:30:25,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:25,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:30:25,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:30:25,468 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 115 [2022-10-17 10:30:25,476 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 114 transitions, 231 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,476 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:25,476 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 115 [2022-10-17 10:30:25,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:25,639 INFO L130 PetriNetUnfolder]: 9/263 cut-off events. [2022-10-17 10:30:25,639 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:30:25,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 263 events. 9/263 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 942 event pairs, 9 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 247. Up to 32 conditions per place. [2022-10-17 10:30:25,647 INFO L137 encePairwiseOnDemand]: 112/115 looper letters, 13 selfloop transitions, 2 changer transitions 0/113 dead transitions. [2022-10-17 10:30:25,647 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 113 transitions, 259 flow [2022-10-17 10:30:25,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:30:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 10:30:25,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2022-10-17 10:30:25,670 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9072463768115943 [2022-10-17 10:30:25,672 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 313 transitions. [2022-10-17 10:30:25,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 313 transitions. [2022-10-17 10:30:25,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:25,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 313 transitions. [2022-10-17 10:30:25,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,701 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,703 INFO L175 Difference]: Start difference. First operand has 118 places, 114 transitions, 231 flow. Second operand 3 states and 313 transitions. [2022-10-17 10:30:25,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 113 transitions, 259 flow [2022-10-17 10:30:25,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 113 transitions, 258 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 10:30:25,712 INFO L231 Difference]: Finished difference. Result has 118 places, 113 transitions, 232 flow [2022-10-17 10:30:25,715 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=118, PETRI_TRANSITIONS=113} [2022-10-17 10:30:25,719 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, 0 predicate places. [2022-10-17 10:30:25,719 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 113 transitions, 232 flow [2022-10-17 10:30:25,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:25,720 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:25,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:30:25,721 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:25,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:25,722 INFO L85 PathProgramCache]: Analyzing trace with hash -842156130, now seen corresponding path program 1 times [2022-10-17 10:30:25,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:25,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5009898] [2022-10-17 10:30:25,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:25,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:25,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:25,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5009898] [2022-10-17 10:30:25,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5009898] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:25,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:25,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:30:25,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17695548] [2022-10-17 10:30:25,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:25,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:30:25,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:25,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:30:25,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:30:25,869 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 115 [2022-10-17 10:30:25,870 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 113 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,870 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:25,870 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 115 [2022-10-17 10:30:25,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:25,970 INFO L130 PetriNetUnfolder]: 4/216 cut-off events. [2022-10-17 10:30:25,971 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:30:25,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 216 events. 4/216 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 637 event pairs, 4 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 216. Up to 15 conditions per place. [2022-10-17 10:30:25,982 INFO L137 encePairwiseOnDemand]: 111/115 looper letters, 8 selfloop transitions, 1 changer transitions 0/110 dead transitions. [2022-10-17 10:30:25,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 110 transitions, 244 flow [2022-10-17 10:30:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:30:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 10:30:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 318 transitions. [2022-10-17 10:30:25,986 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9217391304347826 [2022-10-17 10:30:25,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 318 transitions. [2022-10-17 10:30:25,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 318 transitions. [2022-10-17 10:30:25,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:25,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 318 transitions. [2022-10-17 10:30:25,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,994 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:25,994 INFO L175 Difference]: Start difference. First operand has 118 places, 113 transitions, 232 flow. Second operand 3 states and 318 transitions. [2022-10-17 10:30:25,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 110 transitions, 244 flow [2022-10-17 10:30:25,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 110 transitions, 240 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-10-17 10:30:26,002 INFO L231 Difference]: Finished difference. Result has 115 places, 110 transitions, 224 flow [2022-10-17 10:30:26,002 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=115, PETRI_TRANSITIONS=110} [2022-10-17 10:30:26,003 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, -3 predicate places. [2022-10-17 10:30:26,003 INFO L495 AbstractCegarLoop]: Abstraction has has 115 places, 110 transitions, 224 flow [2022-10-17 10:30:26,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:26,004 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:26,004 INFO L208 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] [2022-10-17 10:30:26,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:30:26,005 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:26,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:26,007 INFO L85 PathProgramCache]: Analyzing trace with hash 838099336, now seen corresponding path program 1 times [2022-10-17 10:30:26,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:26,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079361158] [2022-10-17 10:30:26,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:26,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:26,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:26,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:26,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079361158] [2022-10-17 10:30:26,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079361158] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:26,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:26,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:30:26,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860108392] [2022-10-17 10:30:26,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:26,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:30:26,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:26,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:30:26,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:30:26,698 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 115 [2022-10-17 10:30:26,699 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 110 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:26,699 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:26,699 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 115 [2022-10-17 10:30:26,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:26,895 INFO L130 PetriNetUnfolder]: 144/622 cut-off events. [2022-10-17 10:30:26,895 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:30:26,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 952 conditions, 622 events. 144/622 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3259 event pairs, 144 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 930. Up to 320 conditions per place. [2022-10-17 10:30:26,902 INFO L137 encePairwiseOnDemand]: 109/115 looper letters, 31 selfloop transitions, 5 changer transitions 0/109 dead transitions. [2022-10-17 10:30:26,903 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 109 transitions, 294 flow [2022-10-17 10:30:26,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:30:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:30:26,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 505 transitions. [2022-10-17 10:30:26,907 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7318840579710145 [2022-10-17 10:30:26,907 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 505 transitions. [2022-10-17 10:30:26,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 505 transitions. [2022-10-17 10:30:26,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:26,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 505 transitions. [2022-10-17 10:30:26,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 84.16666666666667) internal successors, (505), 6 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:26,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:26,915 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:26,915 INFO L175 Difference]: Start difference. First operand has 115 places, 110 transitions, 224 flow. Second operand 6 states and 505 transitions. [2022-10-17 10:30:26,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 109 transitions, 294 flow [2022-10-17 10:30:26,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 109 transitions, 293 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 10:30:26,948 INFO L231 Difference]: Finished difference. Result has 118 places, 109 transitions, 231 flow [2022-10-17 10:30:26,948 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=231, PETRI_PLACES=118, PETRI_TRANSITIONS=109} [2022-10-17 10:30:26,951 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, 0 predicate places. [2022-10-17 10:30:26,951 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 109 transitions, 231 flow [2022-10-17 10:30:26,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:26,953 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:26,953 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:26,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:30:26,954 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:26,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:26,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1006176948, now seen corresponding path program 1 times [2022-10-17 10:30:26,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:26,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180977343] [2022-10-17 10:30:26,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:26,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:27,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:27,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:27,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180977343] [2022-10-17 10:30:27,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180977343] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:27,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:27,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:30:27,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447575005] [2022-10-17 10:30:27,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:27,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:30:27,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:27,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:30:27,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:30:27,436 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 115 [2022-10-17 10:30:27,437 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 109 transitions, 231 flow. Second operand has 6 states, 6 states have (on average 80.5) internal successors, (483), 6 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:27,437 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:27,437 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 115 [2022-10-17 10:30:27,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:27,834 INFO L130 PetriNetUnfolder]: 239/878 cut-off events. [2022-10-17 10:30:27,834 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:30:27,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1409 conditions, 878 events. 239/878 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 5038 event pairs, 119 based on Foata normal form. 0/807 useless extension candidates. Maximal degree in co-relation 1387. Up to 389 conditions per place. [2022-10-17 10:30:27,842 INFO L137 encePairwiseOnDemand]: 104/115 looper letters, 68 selfloop transitions, 22 changer transitions 0/163 dead transitions. [2022-10-17 10:30:27,842 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 163 transitions, 519 flow [2022-10-17 10:30:27,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:30:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:30:27,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 559 transitions. [2022-10-17 10:30:27,845 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8101449275362319 [2022-10-17 10:30:27,845 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 559 transitions. [2022-10-17 10:30:27,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 559 transitions. [2022-10-17 10:30:27,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:27,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 559 transitions. [2022-10-17 10:30:27,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 93.16666666666667) internal successors, (559), 6 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:27,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:27,852 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:27,852 INFO L175 Difference]: Start difference. First operand has 118 places, 109 transitions, 231 flow. Second operand 6 states and 559 transitions. [2022-10-17 10:30:27,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 163 transitions, 519 flow [2022-10-17 10:30:27,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 163 transitions, 509 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-10-17 10:30:27,858 INFO L231 Difference]: Finished difference. Result has 123 places, 130 transitions, 371 flow [2022-10-17 10:30:27,858 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=371, PETRI_PLACES=123, PETRI_TRANSITIONS=130} [2022-10-17 10:30:27,859 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, 5 predicate places. [2022-10-17 10:30:27,859 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 130 transitions, 371 flow [2022-10-17 10:30:27,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.5) internal successors, (483), 6 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:27,860 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:27,860 INFO L208 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] [2022-10-17 10:30:27,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:30:27,861 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:27,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:27,861 INFO L85 PathProgramCache]: Analyzing trace with hash 72490025, now seen corresponding path program 1 times [2022-10-17 10:30:27,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:27,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780966534] [2022-10-17 10:30:27,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:27,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:28,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:28,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:28,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780966534] [2022-10-17 10:30:28,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780966534] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:28,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:28,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:30:28,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349567257] [2022-10-17 10:30:28,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:28,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:30:28,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:28,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:30:28,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:30:28,235 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 115 [2022-10-17 10:30:28,236 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 130 transitions, 371 flow. Second operand has 6 states, 6 states have (on average 80.5) internal successors, (483), 6 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:28,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:28,237 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 115 [2022-10-17 10:30:28,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:28,662 INFO L130 PetriNetUnfolder]: 258/935 cut-off events. [2022-10-17 10:30:28,662 INFO L131 PetriNetUnfolder]: For 281/289 co-relation queries the response was YES. [2022-10-17 10:30:28,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1847 conditions, 935 events. 258/935 cut-off events. For 281/289 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 5558 event pairs, 106 based on Foata normal form. 0/878 useless extension candidates. Maximal degree in co-relation 1821. Up to 444 conditions per place. [2022-10-17 10:30:28,671 INFO L137 encePairwiseOnDemand]: 104/115 looper letters, 81 selfloop transitions, 26 changer transitions 0/180 dead transitions. [2022-10-17 10:30:28,671 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 180 transitions, 775 flow [2022-10-17 10:30:28,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:30:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:30:28,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 555 transitions. [2022-10-17 10:30:28,674 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8043478260869565 [2022-10-17 10:30:28,674 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 555 transitions. [2022-10-17 10:30:28,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 555 transitions. [2022-10-17 10:30:28,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:28,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 555 transitions. [2022-10-17 10:30:28,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.5) internal successors, (555), 6 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:28,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:28,679 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:28,679 INFO L175 Difference]: Start difference. First operand has 123 places, 130 transitions, 371 flow. Second operand 6 states and 555 transitions. [2022-10-17 10:30:28,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 180 transitions, 775 flow [2022-10-17 10:30:28,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 180 transitions, 775 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-10-17 10:30:28,688 INFO L231 Difference]: Finished difference. Result has 133 places, 151 transitions, 555 flow [2022-10-17 10:30:28,688 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=555, PETRI_PLACES=133, PETRI_TRANSITIONS=151} [2022-10-17 10:30:28,689 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, 15 predicate places. [2022-10-17 10:30:28,689 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 151 transitions, 555 flow [2022-10-17 10:30:28,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.5) internal successors, (483), 6 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:28,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:28,690 INFO L208 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] [2022-10-17 10:30:28,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:30:28,690 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:28,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:28,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1581779769, now seen corresponding path program 1 times [2022-10-17 10:30:28,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:28,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591317476] [2022-10-17 10:30:28,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:28,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:29,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:29,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:29,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591317476] [2022-10-17 10:30:29,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591317476] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:29,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:29,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:30:29,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532620578] [2022-10-17 10:30:29,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:29,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:30:29,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:29,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:30:29,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:30:29,072 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 115 [2022-10-17 10:30:29,073 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 151 transitions, 555 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:29,073 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:29,073 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 115 [2022-10-17 10:30:29,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:29,602 INFO L130 PetriNetUnfolder]: 350/1245 cut-off events. [2022-10-17 10:30:29,603 INFO L131 PetriNetUnfolder]: For 646/659 co-relation queries the response was YES. [2022-10-17 10:30:29,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2800 conditions, 1245 events. 350/1245 cut-off events. For 646/659 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 8229 event pairs, 132 based on Foata normal form. 4/1188 useless extension candidates. Maximal degree in co-relation 2769. Up to 644 conditions per place. [2022-10-17 10:30:29,615 INFO L137 encePairwiseOnDemand]: 100/115 looper letters, 87 selfloop transitions, 53 changer transitions 4/215 dead transitions. [2022-10-17 10:30:29,615 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 215 transitions, 1131 flow [2022-10-17 10:30:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:30:29,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:30:29,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 548 transitions. [2022-10-17 10:30:29,618 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7942028985507247 [2022-10-17 10:30:29,618 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 548 transitions. [2022-10-17 10:30:29,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 548 transitions. [2022-10-17 10:30:29,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:29,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 548 transitions. [2022-10-17 10:30:29,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:29,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:29,624 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:29,624 INFO L175 Difference]: Start difference. First operand has 133 places, 151 transitions, 555 flow. Second operand 6 states and 548 transitions. [2022-10-17 10:30:29,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 215 transitions, 1131 flow [2022-10-17 10:30:29,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 215 transitions, 1131 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-10-17 10:30:29,639 INFO L231 Difference]: Finished difference. Result has 143 places, 198 transitions, 1037 flow [2022-10-17 10:30:29,639 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=555, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1037, PETRI_PLACES=143, PETRI_TRANSITIONS=198} [2022-10-17 10:30:29,642 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, 25 predicate places. [2022-10-17 10:30:29,643 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 198 transitions, 1037 flow [2022-10-17 10:30:29,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:29,643 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:29,644 INFO L208 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] [2022-10-17 10:30:29,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:30:29,644 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:29,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:29,645 INFO L85 PathProgramCache]: Analyzing trace with hash 138758537, now seen corresponding path program 1 times [2022-10-17 10:30:29,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:29,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371962411] [2022-10-17 10:30:29,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:29,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:30,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:30,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371962411] [2022-10-17 10:30:30,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371962411] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:30,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:30,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:30:30,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396434613] [2022-10-17 10:30:30,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:30,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:30:30,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:30,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:30:30,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:30:30,113 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 115 [2022-10-17 10:30:30,116 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 198 transitions, 1037 flow. Second operand has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:30,116 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:30,116 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 115 [2022-10-17 10:30:30,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:30,710 INFO L130 PetriNetUnfolder]: 442/1423 cut-off events. [2022-10-17 10:30:30,710 INFO L131 PetriNetUnfolder]: For 1570/1586 co-relation queries the response was YES. [2022-10-17 10:30:30,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4035 conditions, 1423 events. 442/1423 cut-off events. For 1570/1586 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 9333 event pairs, 130 based on Foata normal form. 0/1392 useless extension candidates. Maximal degree in co-relation 3999. Up to 796 conditions per place. [2022-10-17 10:30:30,730 INFO L137 encePairwiseOnDemand]: 100/115 looper letters, 124 selfloop transitions, 58 changer transitions 15/269 dead transitions. [2022-10-17 10:30:30,730 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 269 transitions, 1849 flow [2022-10-17 10:30:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:30:30,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:30:30,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 548 transitions. [2022-10-17 10:30:30,733 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7942028985507247 [2022-10-17 10:30:30,734 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 548 transitions. [2022-10-17 10:30:30,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 548 transitions. [2022-10-17 10:30:30,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:30,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 548 transitions. [2022-10-17 10:30:30,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.33333333333333) internal successors, (548), 6 states have internal predecessors, (548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:30,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:30,740 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:30,741 INFO L175 Difference]: Start difference. First operand has 143 places, 198 transitions, 1037 flow. Second operand 6 states and 548 transitions. [2022-10-17 10:30:30,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 269 transitions, 1849 flow [2022-10-17 10:30:30,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 269 transitions, 1785 flow, removed 32 selfloop flow, removed 0 redundant places. [2022-10-17 10:30:30,768 INFO L231 Difference]: Finished difference. Result has 153 places, 242 transitions, 1529 flow [2022-10-17 10:30:30,769 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=979, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1529, PETRI_PLACES=153, PETRI_TRANSITIONS=242} [2022-10-17 10:30:30,770 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, 35 predicate places. [2022-10-17 10:30:30,770 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 242 transitions, 1529 flow [2022-10-17 10:30:30,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.66666666666667) internal successors, (478), 6 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:30,771 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:30,771 INFO L208 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] [2022-10-17 10:30:30,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-17 10:30:30,772 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:30,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:30,773 INFO L85 PathProgramCache]: Analyzing trace with hash 22527780, now seen corresponding path program 1 times [2022-10-17 10:30:30,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:30,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815699506] [2022-10-17 10:30:30,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:30,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:31,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:31,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:31,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815699506] [2022-10-17 10:30:31,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815699506] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:31,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:31,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-17 10:30:31,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133177529] [2022-10-17 10:30:31,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:31,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-17 10:30:31,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:31,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-17 10:30:31,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-10-17 10:30:31,747 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 115 [2022-10-17 10:30:31,748 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 242 transitions, 1529 flow. Second operand has 11 states, 11 states have (on average 69.9090909090909) internal successors, (769), 11 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:31,749 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:31,749 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 115 [2022-10-17 10:30:31,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:33,125 INFO L130 PetriNetUnfolder]: 637/1932 cut-off events. [2022-10-17 10:30:33,126 INFO L131 PetriNetUnfolder]: For 3220/3220 co-relation queries the response was YES. [2022-10-17 10:30:33,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6021 conditions, 1932 events. 637/1932 cut-off events. For 3220/3220 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 12987 event pairs, 65 based on Foata normal form. 13/1935 useless extension candidates. Maximal degree in co-relation 5975. Up to 936 conditions per place. [2022-10-17 10:30:33,150 INFO L137 encePairwiseOnDemand]: 102/115 looper letters, 253 selfloop transitions, 9 changer transitions 66/391 dead transitions. [2022-10-17 10:30:33,151 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 391 transitions, 3097 flow [2022-10-17 10:30:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-17 10:30:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-10-17 10:30:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 917 transitions. [2022-10-17 10:30:33,155 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.724901185770751 [2022-10-17 10:30:33,156 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 917 transitions. [2022-10-17 10:30:33,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 917 transitions. [2022-10-17 10:30:33,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:33,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 917 transitions. [2022-10-17 10:30:33,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.36363636363636) internal successors, (917), 11 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:33,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:33,166 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:33,167 INFO L175 Difference]: Start difference. First operand has 153 places, 242 transitions, 1529 flow. Second operand 11 states and 917 transitions. [2022-10-17 10:30:33,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 391 transitions, 3097 flow [2022-10-17 10:30:33,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 391 transitions, 3029 flow, removed 34 selfloop flow, removed 0 redundant places. [2022-10-17 10:30:33,219 INFO L231 Difference]: Finished difference. Result has 167 places, 242 transitions, 1490 flow [2022-10-17 10:30:33,220 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=1461, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1490, PETRI_PLACES=167, PETRI_TRANSITIONS=242} [2022-10-17 10:30:33,223 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, 49 predicate places. [2022-10-17 10:30:33,224 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 242 transitions, 1490 flow [2022-10-17 10:30:33,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 69.9090909090909) internal successors, (769), 11 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:33,224 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:33,225 INFO L208 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] [2022-10-17 10:30:33,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-17 10:30:33,225 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:33,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:33,226 INFO L85 PathProgramCache]: Analyzing trace with hash 908891550, now seen corresponding path program 2 times [2022-10-17 10:30:33,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:33,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132589924] [2022-10-17 10:30:33,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:33,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:34,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:34,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:34,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132589924] [2022-10-17 10:30:34,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132589924] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:34,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:34,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-17 10:30:34,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976982200] [2022-10-17 10:30:34,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:34,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-17 10:30:34,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:34,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-17 10:30:34,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-17 10:30:34,738 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 115 [2022-10-17 10:30:34,739 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 242 transitions, 1490 flow. Second operand has 11 states, 11 states have (on average 69.9090909090909) internal successors, (769), 11 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:34,739 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:34,740 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 115 [2022-10-17 10:30:34,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:36,362 INFO L130 PetriNetUnfolder]: 1146/3413 cut-off events. [2022-10-17 10:30:36,363 INFO L131 PetriNetUnfolder]: For 6117/6119 co-relation queries the response was YES. [2022-10-17 10:30:36,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11429 conditions, 3413 events. 1146/3413 cut-off events. For 6117/6119 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 26587 event pairs, 136 based on Foata normal form. 14/3407 useless extension candidates. Maximal degree in co-relation 11375. Up to 1174 conditions per place. [2022-10-17 10:30:36,416 INFO L137 encePairwiseOnDemand]: 102/115 looper letters, 417 selfloop transitions, 10 changer transitions 48/538 dead transitions. [2022-10-17 10:30:36,416 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 538 transitions, 4603 flow [2022-10-17 10:30:36,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-17 10:30:36,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-10-17 10:30:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 933 transitions. [2022-10-17 10:30:36,421 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7375494071146245 [2022-10-17 10:30:36,421 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 933 transitions. [2022-10-17 10:30:36,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 933 transitions. [2022-10-17 10:30:36,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:36,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 933 transitions. [2022-10-17 10:30:36,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 84.81818181818181) internal successors, (933), 11 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:36,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:36,432 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:36,432 INFO L175 Difference]: Start difference. First operand has 167 places, 242 transitions, 1490 flow. Second operand 11 states and 933 transitions. [2022-10-17 10:30:36,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 538 transitions, 4603 flow [2022-10-17 10:30:36,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 538 transitions, 4543 flow, removed 9 selfloop flow, removed 9 redundant places. [2022-10-17 10:30:36,561 INFO L231 Difference]: Finished difference. Result has 172 places, 248 transitions, 1538 flow [2022-10-17 10:30:36,562 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=1469, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1538, PETRI_PLACES=172, PETRI_TRANSITIONS=248} [2022-10-17 10:30:36,563 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, 54 predicate places. [2022-10-17 10:30:36,563 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 248 transitions, 1538 flow [2022-10-17 10:30:36,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 69.9090909090909) internal successors, (769), 11 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:36,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:36,564 INFO L208 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] [2022-10-17 10:30:36,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-17 10:30:36,565 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:36,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:36,565 INFO L85 PathProgramCache]: Analyzing trace with hash 419805406, now seen corresponding path program 3 times [2022-10-17 10:30:36,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:36,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796907330] [2022-10-17 10:30:36,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:36,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:37,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:37,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:37,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796907330] [2022-10-17 10:30:37,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796907330] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:37,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:37,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-17 10:30:37,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260947934] [2022-10-17 10:30:37,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:37,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-17 10:30:37,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:37,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-17 10:30:37,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-10-17 10:30:37,583 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 115 [2022-10-17 10:30:37,584 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 248 transitions, 1538 flow. Second operand has 11 states, 11 states have (on average 69.9090909090909) internal successors, (769), 11 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:37,585 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:37,585 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 115 [2022-10-17 10:30:37,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:39,263 INFO L130 PetriNetUnfolder]: 1156/3455 cut-off events. [2022-10-17 10:30:39,264 INFO L131 PetriNetUnfolder]: For 6751/6766 co-relation queries the response was YES. [2022-10-17 10:30:39,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11784 conditions, 3455 events. 1156/3455 cut-off events. For 6751/6766 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 26954 event pairs, 125 based on Foata normal form. 21/3456 useless extension candidates. Maximal degree in co-relation 11726. Up to 1846 conditions per place. [2022-10-17 10:30:39,363 INFO L137 encePairwiseOnDemand]: 102/115 looper letters, 240 selfloop transitions, 15 changer transitions 75/393 dead transitions. [2022-10-17 10:30:39,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 393 transitions, 3166 flow [2022-10-17 10:30:39,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-17 10:30:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-10-17 10:30:39,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 913 transitions. [2022-10-17 10:30:39,368 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7217391304347827 [2022-10-17 10:30:39,368 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 913 transitions. [2022-10-17 10:30:39,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 913 transitions. [2022-10-17 10:30:39,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:39,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 913 transitions. [2022-10-17 10:30:39,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.0) internal successors, (913), 11 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:39,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:39,379 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:39,379 INFO L175 Difference]: Start difference. First operand has 172 places, 248 transitions, 1538 flow. Second operand 11 states and 913 transitions. [2022-10-17 10:30:39,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 393 transitions, 3166 flow [2022-10-17 10:30:39,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 393 transitions, 3133 flow, removed 11 selfloop flow, removed 5 redundant places. [2022-10-17 10:30:39,438 INFO L231 Difference]: Finished difference. Result has 179 places, 248 transitions, 1571 flow [2022-10-17 10:30:39,439 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=1527, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1571, PETRI_PLACES=179, PETRI_TRANSITIONS=248} [2022-10-17 10:30:39,440 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, 61 predicate places. [2022-10-17 10:30:39,440 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 248 transitions, 1571 flow [2022-10-17 10:30:39,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 69.9090909090909) internal successors, (769), 11 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:39,441 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:39,441 INFO L208 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] [2022-10-17 10:30:39,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-17 10:30:39,441 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:39,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:39,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1219974222, now seen corresponding path program 4 times [2022-10-17 10:30:39,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:39,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479777896] [2022-10-17 10:30:39,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:39,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:40,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:40,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479777896] [2022-10-17 10:30:40,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479777896] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:40,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:40,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-17 10:30:40,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137817237] [2022-10-17 10:30:40,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:40,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-17 10:30:40,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:40,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-17 10:30:40,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-10-17 10:30:40,883 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 115 [2022-10-17 10:30:40,884 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 248 transitions, 1571 flow. Second operand has 11 states, 11 states have (on average 69.9090909090909) internal successors, (769), 11 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:40,884 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:40,884 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 115 [2022-10-17 10:30:40,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:42,949 INFO L130 PetriNetUnfolder]: 1617/4905 cut-off events. [2022-10-17 10:30:42,949 INFO L131 PetriNetUnfolder]: For 10790/10806 co-relation queries the response was YES. [2022-10-17 10:30:43,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17191 conditions, 4905 events. 1617/4905 cut-off events. For 10790/10806 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 42181 event pairs, 245 based on Foata normal form. 22/4896 useless extension candidates. Maximal degree in co-relation 17131. Up to 2112 conditions per place. [2022-10-17 10:30:43,036 INFO L137 encePairwiseOnDemand]: 102/115 looper letters, 413 selfloop transitions, 10 changer transitions 59/545 dead transitions. [2022-10-17 10:30:43,037 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 545 transitions, 4800 flow [2022-10-17 10:30:43,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-17 10:30:43,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-10-17 10:30:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 929 transitions. [2022-10-17 10:30:43,042 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7343873517786561 [2022-10-17 10:30:43,042 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 929 transitions. [2022-10-17 10:30:43,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 929 transitions. [2022-10-17 10:30:43,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:43,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 929 transitions. [2022-10-17 10:30:43,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 84.45454545454545) internal successors, (929), 11 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:43,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:43,052 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:43,053 INFO L175 Difference]: Start difference. First operand has 179 places, 248 transitions, 1571 flow. Second operand 11 states and 929 transitions. [2022-10-17 10:30:43,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 545 transitions, 4800 flow [2022-10-17 10:30:43,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 545 transitions, 4725 flow, removed 4 selfloop flow, removed 9 redundant places. [2022-10-17 10:30:43,144 INFO L231 Difference]: Finished difference. Result has 182 places, 252 transitions, 1616 flow [2022-10-17 10:30:43,145 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=1541, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1616, PETRI_PLACES=182, PETRI_TRANSITIONS=252} [2022-10-17 10:30:43,146 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, 64 predicate places. [2022-10-17 10:30:43,146 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 252 transitions, 1616 flow [2022-10-17 10:30:43,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 69.9090909090909) internal successors, (769), 11 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:43,147 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:43,147 INFO L208 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] [2022-10-17 10:30:43,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-17 10:30:43,148 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:43,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:43,148 INFO L85 PathProgramCache]: Analyzing trace with hash -991942528, now seen corresponding path program 5 times [2022-10-17 10:30:43,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:43,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012481522] [2022-10-17 10:30:43,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:43,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:43,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:43,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012481522] [2022-10-17 10:30:43,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012481522] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:43,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:43,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-17 10:30:43,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789872226] [2022-10-17 10:30:43,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:43,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-17 10:30:43,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:43,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-17 10:30:43,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-10-17 10:30:43,893 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 115 [2022-10-17 10:30:43,894 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 252 transitions, 1616 flow. Second operand has 11 states, 11 states have (on average 69.9090909090909) internal successors, (769), 11 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:43,894 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:43,894 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 115 [2022-10-17 10:30:43,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:30:46,054 INFO L130 PetriNetUnfolder]: 2109/6283 cut-off events. [2022-10-17 10:30:46,054 INFO L131 PetriNetUnfolder]: For 14614/14647 co-relation queries the response was YES. [2022-10-17 10:30:46,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22181 conditions, 6283 events. 2109/6283 cut-off events. For 14614/14647 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 57020 event pairs, 334 based on Foata normal form. 27/6269 useless extension candidates. Maximal degree in co-relation 22119. Up to 3064 conditions per place. [2022-10-17 10:30:46,136 INFO L137 encePairwiseOnDemand]: 102/115 looper letters, 410 selfloop transitions, 14 changer transitions 59/546 dead transitions. [2022-10-17 10:30:46,136 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 546 transitions, 4786 flow [2022-10-17 10:30:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-17 10:30:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-10-17 10:30:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 929 transitions. [2022-10-17 10:30:46,141 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7343873517786561 [2022-10-17 10:30:46,141 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 929 transitions. [2022-10-17 10:30:46,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 929 transitions. [2022-10-17 10:30:46,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:30:46,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 929 transitions. [2022-10-17 10:30:46,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 84.45454545454545) internal successors, (929), 11 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:46,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:46,150 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 115.0) internal successors, (1380), 12 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:46,150 INFO L175 Difference]: Start difference. First operand has 182 places, 252 transitions, 1616 flow. Second operand 11 states and 929 transitions. [2022-10-17 10:30:46,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 546 transitions, 4786 flow [2022-10-17 10:30:46,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 546 transitions, 4749 flow, removed 2 selfloop flow, removed 7 redundant places. [2022-10-17 10:30:46,253 INFO L231 Difference]: Finished difference. Result has 188 places, 256 transitions, 1681 flow [2022-10-17 10:30:46,253 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=1601, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1681, PETRI_PLACES=188, PETRI_TRANSITIONS=256} [2022-10-17 10:30:46,254 INFO L287 CegarLoopForPetriNet]: 118 programPoint places, 70 predicate places. [2022-10-17 10:30:46,254 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 256 transitions, 1681 flow [2022-10-17 10:30:46,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 69.9090909090909) internal successors, (769), 11 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:46,255 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:30:46,255 INFO L208 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] [2022-10-17 10:30:46,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-17 10:30:46,255 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2022-10-17 10:30:46,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:46,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1443695394, now seen corresponding path program 6 times [2022-10-17 10:30:46,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:46,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693302501] [2022-10-17 10:30:46,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:46,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:46,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:46,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693302501] [2022-10-17 10:30:46,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693302501] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:46,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:46,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-17 10:30:46,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718271770] [2022-10-17 10:30:46,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:46,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-17 10:30:46,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:46,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-17 10:30:46,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-10-17 10:30:46,972 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 115 [2022-10-17 10:30:46,973 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 256 transitions, 1681 flow. Second operand has 11 states, 11 states have (on average 69.9090909090909) internal successors, (769), 11 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:46,974 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:30:46,974 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 115 [2022-10-17 10:30:46,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand