./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9eb5d9094342cfaa74d8ea4903febd735be5757c093d69b0f8dbb2a26886fda6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:04:47,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:04:47,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:04:47,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:04:47,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:04:47,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:04:47,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:04:47,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:04:47,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:04:47,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:04:47,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:04:47,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:04:47,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:04:47,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:04:47,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:04:47,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:04:47,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:04:47,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:04:47,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:04:47,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:04:47,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:04:47,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:04:47,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:04:47,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:04:47,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:04:47,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:04:47,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:04:47,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:04:47,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:04:47,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:04:47,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:04:47,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:04:47,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:04:47,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:04:47,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:04:47,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:04:47,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:04:47,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:04:47,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:04:47,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:04:47,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:04:47,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 12:04:47,658 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:04:47,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:04:47,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:04:47,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:04:47,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:04:47,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:04:47,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:04:47,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:04:47,663 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:04:47,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:04:47,664 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:04:47,665 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:04:47,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:04:47,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:04:47,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:04:47,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:04:47,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:04:47,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:04:47,667 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 12:04:47,668 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:04:47,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:04:47,668 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:04:47,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:04:47,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:04:47,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:04:47,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:04:47,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:04:47,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:04:47,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:04:47,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:04:47,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:04:47,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:04:47,673 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:04:47,673 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:04:47,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:04:47,674 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_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eb5d9094342cfaa74d8ea4903febd735be5757c093d69b0f8dbb2a26886fda6 [2022-11-20 12:04:47,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:04:47,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:04:47,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:04:47,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:04:47,981 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:04:47,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2022-11-20 12:04:51,041 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:04:51,282 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:04:51,285 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c [2022-11-20 12:04:51,292 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/data/e41abbee6/f91930c9dd2f4fc6a62e97cdbc3df9c6/FLAG275be5232 [2022-11-20 12:04:51,306 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/data/e41abbee6/f91930c9dd2f4fc6a62e97cdbc3df9c6 [2022-11-20 12:04:51,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:04:51,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:04:51,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:04:51,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:04:51,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:04:51,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63832b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51, skipping insertion in model container [2022-11-20 12:04:51,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:04:51,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:04:51,605 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2599,2612] [2022-11-20 12:04:51,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:04:51,630 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:04:51,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/sv-benchmarks/c/weaver/popl20-more-array-sum2.wvr.c[2599,2612] [2022-11-20 12:04:51,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:04:51,685 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:04:51,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51 WrapperNode [2022-11-20 12:04:51,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:04:51,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:04:51,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:04:51,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:04:51,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,750 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 402 [2022-11-20 12:04:51,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:04:51,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:04:51,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:04:51,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:04:51,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:04:51,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:04:51,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:04:51,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:04:51,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (1/1) ... [2022-11-20 12:04:51,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:04:51,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:51,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:04:51,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:04:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:04:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:04:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:04:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:04:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 12:04:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 12:04:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 12:04:51,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 12:04:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 12:04:51,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 12:04:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:04:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 12:04:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 12:04:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:04:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:04:51,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:04:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:04:51,949 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 12:04:52,069 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:04:52,071 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:04:52,973 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:04:53,422 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:04:53,422 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 12:04:53,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:53 BoogieIcfgContainer [2022-11-20 12:04:53,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:04:53,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:04:53,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:04:53,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:04:53,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:04:51" (1/3) ... [2022-11-20 12:04:53,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4772ace9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:53, skipping insertion in model container [2022-11-20 12:04:53,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:51" (2/3) ... [2022-11-20 12:04:53,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4772ace9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:53, skipping insertion in model container [2022-11-20 12:04:53,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:53" (3/3) ... [2022-11-20 12:04:53,439 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2022-11-20 12:04:53,448 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 12:04:53,458 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:04:53,459 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-11-20 12:04:53,459 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 12:04:53,603 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 12:04:53,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 295 places, 302 transitions, 628 flow [2022-11-20 12:04:53,841 INFO L130 PetriNetUnfolder]: 17/299 cut-off events. [2022-11-20 12:04:53,841 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 12:04:53,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 299 events. 17/299 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 314 event pairs, 0 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 226. Up to 2 conditions per place. [2022-11-20 12:04:53,851 INFO L82 GeneralOperation]: Start removeDead. Operand has 295 places, 302 transitions, 628 flow [2022-11-20 12:04:53,865 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 273 places, 279 transitions, 576 flow [2022-11-20 12:04:53,882 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:04:53,890 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;@960b2bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:04:53,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2022-11-20 12:04:53,898 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-20 12:04:53,899 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:04:53,899 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:04:53,900 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:53,901 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:04:53,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:53,909 INFO L85 PathProgramCache]: Analyzing trace with hash 390408329, now seen corresponding path program 1 times [2022-11-20 12:04:53,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:53,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10669316] [2022-11-20 12:04:53,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:53,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:54,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:54,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10669316] [2022-11-20 12:04:54,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10669316] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:54,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:54,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:54,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127374797] [2022-11-20 12:04:54,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:54,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:54,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:54,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:54,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:54,186 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 302 [2022-11-20 12:04:54,191 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 279 transitions, 576 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:54,191 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:04:54,191 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 302 [2022-11-20 12:04:54,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:04:54,656 INFO L130 PetriNetUnfolder]: 206/736 cut-off events. [2022-11-20 12:04:54,656 INFO L131 PetriNetUnfolder]: For 189/214 co-relation queries the response was YES. [2022-11-20 12:04:54,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1112 conditions, 736 events. 206/736 cut-off events. For 189/214 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3304 event pairs, 114 based on Foata normal form. 78/638 useless extension candidates. Maximal degree in co-relation 859. Up to 288 conditions per place. [2022-11-20 12:04:54,669 INFO L137 encePairwiseOnDemand]: 271/302 looper letters, 24 selfloop transitions, 2 changer transitions 5/250 dead transitions. [2022-11-20 12:04:54,669 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 250 transitions, 570 flow [2022-11-20 12:04:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:54,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:04:54,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2022-11-20 12:04:54,690 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8719646799116998 [2022-11-20 12:04:54,691 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2022-11-20 12:04:54,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2022-11-20 12:04:54,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:04:54,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2022-11-20 12:04:54,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:54,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:54,715 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:54,718 INFO L175 Difference]: Start difference. First operand has 273 places, 279 transitions, 576 flow. Second operand 3 states and 790 transitions. [2022-11-20 12:04:54,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 250 transitions, 570 flow [2022-11-20 12:04:54,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 250 transitions, 558 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-20 12:04:54,732 INFO L231 Difference]: Finished difference. Result has 250 places, 245 transitions, 500 flow [2022-11-20 12:04:54,735 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=250, PETRI_TRANSITIONS=245} [2022-11-20 12:04:54,740 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -23 predicate places. [2022-11-20 12:04:54,741 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 245 transitions, 500 flow [2022-11-20 12:04:54,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:54,742 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:04:54,742 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:54,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:04:54,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:04:54,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:54,744 INFO L85 PathProgramCache]: Analyzing trace with hash 349594437, now seen corresponding path program 1 times [2022-11-20 12:04:54,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:54,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649077154] [2022-11-20 12:04:54,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:54,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:54,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:54,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649077154] [2022-11-20 12:04:54,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649077154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:54,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:54,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:54,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41703014] [2022-11-20 12:04:54,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:54,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:54,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:54,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:54,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:54,836 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 242 out of 302 [2022-11-20 12:04:54,837 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 245 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:54,838 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:04:54,838 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 242 of 302 [2022-11-20 12:04:54,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:04:55,118 INFO L130 PetriNetUnfolder]: 155/707 cut-off events. [2022-11-20 12:04:55,119 INFO L131 PetriNetUnfolder]: For 21/48 co-relation queries the response was YES. [2022-11-20 12:04:55,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 972 conditions, 707 events. 155/707 cut-off events. For 21/48 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3179 event pairs, 90 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 938. Up to 243 conditions per place. [2022-11-20 12:04:55,126 INFO L137 encePairwiseOnDemand]: 299/302 looper letters, 27 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2022-11-20 12:04:55,126 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 244 transitions, 556 flow [2022-11-20 12:04:55,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:55,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:04:55,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 756 transitions. [2022-11-20 12:04:55,129 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8344370860927153 [2022-11-20 12:04:55,130 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 756 transitions. [2022-11-20 12:04:55,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 756 transitions. [2022-11-20 12:04:55,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:04:55,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 756 transitions. [2022-11-20 12:04:55,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,136 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,136 INFO L175 Difference]: Start difference. First operand has 250 places, 245 transitions, 500 flow. Second operand 3 states and 756 transitions. [2022-11-20 12:04:55,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 244 transitions, 556 flow [2022-11-20 12:04:55,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 244 transitions, 552 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:04:55,143 INFO L231 Difference]: Finished difference. Result has 244 places, 244 transitions, 498 flow [2022-11-20 12:04:55,144 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=244, PETRI_TRANSITIONS=244} [2022-11-20 12:04:55,145 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -29 predicate places. [2022-11-20 12:04:55,145 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 244 transitions, 498 flow [2022-11-20 12:04:55,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.33333333333334) internal successors, (730), 3 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,146 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:04:55,146 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:55,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:04:55,147 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:04:55,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:55,148 INFO L85 PathProgramCache]: Analyzing trace with hash 852649329, now seen corresponding path program 1 times [2022-11-20 12:04:55,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:55,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162435662] [2022-11-20 12:04:55,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:55,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:55,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:55,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:55,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162435662] [2022-11-20 12:04:55,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162435662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:55,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:55,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:55,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464885106] [2022-11-20 12:04:55,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:55,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:55,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:55,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:55,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:55,228 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 302 [2022-11-20 12:04:55,229 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 244 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,230 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:04:55,230 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 302 [2022-11-20 12:04:55,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:04:55,441 INFO L130 PetriNetUnfolder]: 109/600 cut-off events. [2022-11-20 12:04:55,441 INFO L131 PetriNetUnfolder]: For 18/35 co-relation queries the response was YES. [2022-11-20 12:04:55,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 600 events. 109/600 cut-off events. For 18/35 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2424 event pairs, 59 based on Foata normal form. 0/519 useless extension candidates. Maximal degree in co-relation 744. Up to 166 conditions per place. [2022-11-20 12:04:55,447 INFO L137 encePairwiseOnDemand]: 296/302 looper letters, 20 selfloop transitions, 1 changer transitions 0/239 dead transitions. [2022-11-20 12:04:55,448 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 239 transitions, 530 flow [2022-11-20 12:04:55,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:04:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 761 transitions. [2022-11-20 12:04:55,451 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8399558498896247 [2022-11-20 12:04:55,451 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 761 transitions. [2022-11-20 12:04:55,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 761 transitions. [2022-11-20 12:04:55,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:04:55,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 761 transitions. [2022-11-20 12:04:55,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,464 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,464 INFO L175 Difference]: Start difference. First operand has 244 places, 244 transitions, 498 flow. Second operand 3 states and 761 transitions. [2022-11-20 12:04:55,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 239 transitions, 530 flow [2022-11-20 12:04:55,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 239 transitions, 526 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:04:55,470 INFO L231 Difference]: Finished difference. Result has 239 places, 239 transitions, 486 flow [2022-11-20 12:04:55,471 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=239, PETRI_TRANSITIONS=239} [2022-11-20 12:04:55,472 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -34 predicate places. [2022-11-20 12:04:55,472 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 239 transitions, 486 flow [2022-11-20 12:04:55,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 246.33333333333334) internal successors, (739), 3 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,473 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:04:55,474 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:55,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:04:55,474 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:04:55,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:55,475 INFO L85 PathProgramCache]: Analyzing trace with hash 236558700, now seen corresponding path program 1 times [2022-11-20 12:04:55,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:55,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631567304] [2022-11-20 12:04:55,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:55,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:55,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:55,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:55,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631567304] [2022-11-20 12:04:55,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631567304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:55,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:55,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:55,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770104341] [2022-11-20 12:04:55,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:55,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:55,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:55,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:55,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:55,560 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 302 [2022-11-20 12:04:55,561 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 239 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,561 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:04:55,562 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 302 [2022-11-20 12:04:55,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:04:55,733 INFO L130 PetriNetUnfolder]: 43/400 cut-off events. [2022-11-20 12:04:55,734 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-20 12:04:55,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 400 events. 43/400 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 994 event pairs, 15 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 433. Up to 62 conditions per place. [2022-11-20 12:04:55,738 INFO L137 encePairwiseOnDemand]: 299/302 looper letters, 12 selfloop transitions, 2 changer transitions 0/238 dead transitions. [2022-11-20 12:04:55,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 238 transitions, 512 flow [2022-11-20 12:04:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:55,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:04:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 786 transitions. [2022-11-20 12:04:55,741 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8675496688741722 [2022-11-20 12:04:55,742 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 786 transitions. [2022-11-20 12:04:55,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 786 transitions. [2022-11-20 12:04:55,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:04:55,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 786 transitions. [2022-11-20 12:04:55,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.0) internal successors, (786), 3 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,749 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,749 INFO L175 Difference]: Start difference. First operand has 239 places, 239 transitions, 486 flow. Second operand 3 states and 786 transitions. [2022-11-20 12:04:55,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 238 transitions, 512 flow [2022-11-20 12:04:55,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 238 transitions, 511 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:04:55,756 INFO L231 Difference]: Finished difference. Result has 239 places, 238 transitions, 487 flow [2022-11-20 12:04:55,757 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=487, PETRI_PLACES=239, PETRI_TRANSITIONS=238} [2022-11-20 12:04:55,758 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -34 predicate places. [2022-11-20 12:04:55,758 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 238 transitions, 487 flow [2022-11-20 12:04:55,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:55,759 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:04:55,760 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:55,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:04:55,760 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:04:55,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:55,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1554101902, now seen corresponding path program 1 times [2022-11-20 12:04:55,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:55,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282149106] [2022-11-20 12:04:55,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:55,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:56,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:56,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:56,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282149106] [2022-11-20 12:04:56,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282149106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:56,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:56,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:04:56,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875216943] [2022-11-20 12:04:56,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:56,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:04:56,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:56,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:04:56,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:04:56,420 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 302 [2022-11-20 12:04:56,423 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 238 transitions, 487 flow. Second operand has 6 states, 6 states have (on average 212.83333333333334) internal successors, (1277), 6 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:56,423 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:04:56,423 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 302 [2022-11-20 12:04:56,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:04:56,908 INFO L130 PetriNetUnfolder]: 201/622 cut-off events. [2022-11-20 12:04:56,908 INFO L131 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-11-20 12:04:56,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 967 conditions, 622 events. 201/622 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2392 event pairs, 117 based on Foata normal form. 0/548 useless extension candidates. Maximal degree in co-relation 927. Up to 323 conditions per place. [2022-11-20 12:04:56,914 INFO L137 encePairwiseOnDemand]: 290/302 looper letters, 49 selfloop transitions, 10 changer transitions 0/236 dead transitions. [2022-11-20 12:04:56,915 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 236 transitions, 601 flow [2022-11-20 12:04:56,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:04:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:04:56,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1327 transitions. [2022-11-20 12:04:56,918 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7323399558498896 [2022-11-20 12:04:56,918 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1327 transitions. [2022-11-20 12:04:56,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1327 transitions. [2022-11-20 12:04:56,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:04:56,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1327 transitions. [2022-11-20 12:04:56,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 221.16666666666666) internal successors, (1327), 6 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:56,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:56,928 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:56,928 INFO L175 Difference]: Start difference. First operand has 239 places, 238 transitions, 487 flow. Second operand 6 states and 1327 transitions. [2022-11-20 12:04:56,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 236 transitions, 601 flow [2022-11-20 12:04:56,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 236 transitions, 597 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:04:56,934 INFO L231 Difference]: Finished difference. Result has 240 places, 236 transitions, 499 flow [2022-11-20 12:04:56,934 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=499, PETRI_PLACES=240, PETRI_TRANSITIONS=236} [2022-11-20 12:04:56,937 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -33 predicate places. [2022-11-20 12:04:56,937 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 236 transitions, 499 flow [2022-11-20 12:04:56,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 212.83333333333334) internal successors, (1277), 6 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:56,939 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:04:56,939 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:56,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:04:56,940 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:04:56,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:56,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1086323241, now seen corresponding path program 1 times [2022-11-20 12:04:56,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:56,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898737582] [2022-11-20 12:04:56,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:56,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:56,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:56,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:56,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898737582] [2022-11-20 12:04:56,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898737582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:56,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:56,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:56,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354063121] [2022-11-20 12:04:56,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:56,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:56,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:56,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:56,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:57,000 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 302 [2022-11-20 12:04:57,001 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 236 transitions, 499 flow. Second operand has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:57,001 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:04:57,002 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 302 [2022-11-20 12:04:57,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:04:57,137 INFO L130 PetriNetUnfolder]: 43/397 cut-off events. [2022-11-20 12:04:57,138 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-20 12:04:57,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 481 conditions, 397 events. 43/397 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 993 event pairs, 15 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 448. Up to 62 conditions per place. [2022-11-20 12:04:57,141 INFO L137 encePairwiseOnDemand]: 299/302 looper letters, 12 selfloop transitions, 2 changer transitions 0/235 dead transitions. [2022-11-20 12:04:57,141 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 235 transitions, 525 flow [2022-11-20 12:04:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:57,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:04:57,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 786 transitions. [2022-11-20 12:04:57,144 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8675496688741722 [2022-11-20 12:04:57,144 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 786 transitions. [2022-11-20 12:04:57,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 786 transitions. [2022-11-20 12:04:57,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:04:57,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 786 transitions. [2022-11-20 12:04:57,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.0) internal successors, (786), 3 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:57,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:57,149 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:57,150 INFO L175 Difference]: Start difference. First operand has 240 places, 236 transitions, 499 flow. Second operand 3 states and 786 transitions. [2022-11-20 12:04:57,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 235 transitions, 525 flow [2022-11-20 12:04:57,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 235 transitions, 505 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 12:04:57,155 INFO L231 Difference]: Finished difference. Result has 236 places, 235 transitions, 481 flow [2022-11-20 12:04:57,155 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=477, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=481, PETRI_PLACES=236, PETRI_TRANSITIONS=235} [2022-11-20 12:04:57,156 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -37 predicate places. [2022-11-20 12:04:57,156 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 235 transitions, 481 flow [2022-11-20 12:04:57,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 258.3333333333333) internal successors, (775), 3 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:57,157 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:04:57,157 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:57,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:04:57,158 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:04:57,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:57,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1939727694, now seen corresponding path program 1 times [2022-11-20 12:04:57,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:57,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649382578] [2022-11-20 12:04:57,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:57,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:57,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:57,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:57,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649382578] [2022-11-20 12:04:57,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649382578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:57,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:57,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:04:57,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643415694] [2022-11-20 12:04:57,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:57,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:57,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:57,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:57,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:57,217 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 302 [2022-11-20 12:04:57,218 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 235 transitions, 481 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:57,218 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:04:57,218 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 302 [2022-11-20 12:04:57,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:04:57,417 INFO L130 PetriNetUnfolder]: 138/576 cut-off events. [2022-11-20 12:04:57,417 INFO L131 PetriNetUnfolder]: For 37/53 co-relation queries the response was YES. [2022-11-20 12:04:57,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 576 events. 138/576 cut-off events. For 37/53 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2257 event pairs, 71 based on Foata normal form. 0/500 useless extension candidates. Maximal degree in co-relation 740. Up to 187 conditions per place. [2022-11-20 12:04:57,423 INFO L137 encePairwiseOnDemand]: 297/302 looper letters, 18 selfloop transitions, 1 changer transitions 0/231 dead transitions. [2022-11-20 12:04:57,423 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 231 transitions, 511 flow [2022-11-20 12:04:57,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:57,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:04:57,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 767 transitions. [2022-11-20 12:04:57,425 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8465783664459161 [2022-11-20 12:04:57,426 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 767 transitions. [2022-11-20 12:04:57,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 767 transitions. [2022-11-20 12:04:57,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:04:57,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 767 transitions. [2022-11-20 12:04:57,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:57,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:57,431 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:57,431 INFO L175 Difference]: Start difference. First operand has 236 places, 235 transitions, 481 flow. Second operand 3 states and 767 transitions. [2022-11-20 12:04:57,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 231 transitions, 511 flow [2022-11-20 12:04:57,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 231 transitions, 507 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:04:57,436 INFO L231 Difference]: Finished difference. Result has 232 places, 231 transitions, 471 flow [2022-11-20 12:04:57,437 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=471, PETRI_PLACES=232, PETRI_TRANSITIONS=231} [2022-11-20 12:04:57,437 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -41 predicate places. [2022-11-20 12:04:57,437 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 231 transitions, 471 flow [2022-11-20 12:04:57,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:57,438 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:04:57,438 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:57,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:04:57,439 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:04:57,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:57,439 INFO L85 PathProgramCache]: Analyzing trace with hash -271686446, now seen corresponding path program 1 times [2022-11-20 12:04:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:57,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888987988] [2022-11-20 12:04:57,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:57,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:58,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:58,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:58,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888987988] [2022-11-20 12:04:58,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888987988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:58,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:58,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:04:58,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227074686] [2022-11-20 12:04:58,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:58,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:04:58,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:58,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:04:58,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:04:58,055 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 302 [2022-11-20 12:04:58,057 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 231 transitions, 471 flow. Second operand has 6 states, 6 states have (on average 229.0) internal successors, (1374), 6 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:58,057 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:04:58,057 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 302 [2022-11-20 12:04:58,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:04:58,826 INFO L130 PetriNetUnfolder]: 201/610 cut-off events. [2022-11-20 12:04:58,826 INFO L131 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-11-20 12:04:58,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 935 conditions, 610 events. 201/610 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2209 event pairs, 22 based on Foata normal form. 4/576 useless extension candidates. Maximal degree in co-relation 893. Up to 154 conditions per place. [2022-11-20 12:04:58,833 INFO L137 encePairwiseOnDemand]: 297/302 looper letters, 48 selfloop transitions, 4 changer transitions 0/242 dead transitions. [2022-11-20 12:04:58,833 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 242 transitions, 597 flow [2022-11-20 12:04:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:04:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:04:58,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1415 transitions. [2022-11-20 12:04:58,837 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7809050772626932 [2022-11-20 12:04:58,837 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1415 transitions. [2022-11-20 12:04:58,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1415 transitions. [2022-11-20 12:04:58,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:04:58,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1415 transitions. [2022-11-20 12:04:58,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.83333333333334) internal successors, (1415), 6 states have internal predecessors, (1415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:58,845 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:58,846 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:58,846 INFO L175 Difference]: Start difference. First operand has 232 places, 231 transitions, 471 flow. Second operand 6 states and 1415 transitions. [2022-11-20 12:04:58,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 242 transitions, 597 flow [2022-11-20 12:04:58,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 242 transitions, 596 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:04:58,853 INFO L231 Difference]: Finished difference. Result has 235 places, 230 transitions, 476 flow [2022-11-20 12:04:58,853 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=476, PETRI_PLACES=235, PETRI_TRANSITIONS=230} [2022-11-20 12:04:58,854 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -38 predicate places. [2022-11-20 12:04:58,854 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 230 transitions, 476 flow [2022-11-20 12:04:58,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.0) internal successors, (1374), 6 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:58,855 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:04:58,856 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:58,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:04:58,856 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:04:58,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:58,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1215225592, now seen corresponding path program 1 times [2022-11-20 12:04:58,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:58,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974724968] [2022-11-20 12:04:58,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:58,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:59,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:04:59,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:04:59,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974724968] [2022-11-20 12:04:59,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974724968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:59,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:59,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:04:59,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579821128] [2022-11-20 12:04:59,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:59,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:04:59,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:04:59,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:04:59,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:04:59,406 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 302 [2022-11-20 12:04:59,408 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 230 transitions, 476 flow. Second operand has 6 states, 6 states have (on average 230.0) internal successors, (1380), 6 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) [2022-11-20 12:04:59,408 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:04:59,408 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 302 [2022-11-20 12:04:59,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:04:59,885 INFO L130 PetriNetUnfolder]: 154/536 cut-off events. [2022-11-20 12:04:59,885 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-20 12:04:59,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 837 conditions, 536 events. 154/536 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1941 event pairs, 79 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 795. Up to 184 conditions per place. [2022-11-20 12:04:59,890 INFO L137 encePairwiseOnDemand]: 297/302 looper letters, 43 selfloop transitions, 4 changer transitions 0/237 dead transitions. [2022-11-20 12:04:59,890 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 237 transitions, 584 flow [2022-11-20 12:04:59,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:04:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:04:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1410 transitions. [2022-11-20 12:04:59,894 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7781456953642384 [2022-11-20 12:04:59,894 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1410 transitions. [2022-11-20 12:04:59,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1410 transitions. [2022-11-20 12:04:59,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:04:59,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1410 transitions. [2022-11-20 12:04:59,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 235.0) internal successors, (1410), 6 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:59,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:59,903 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:04:59,903 INFO L175 Difference]: Start difference. First operand has 235 places, 230 transitions, 476 flow. Second operand 6 states and 1410 transitions. [2022-11-20 12:04:59,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 237 transitions, 584 flow [2022-11-20 12:04:59,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 237 transitions, 577 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:04:59,908 INFO L231 Difference]: Finished difference. Result has 235 places, 229 transitions, 475 flow [2022-11-20 12:04:59,908 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=475, PETRI_PLACES=235, PETRI_TRANSITIONS=229} [2022-11-20 12:04:59,909 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -38 predicate places. [2022-11-20 12:04:59,909 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 229 transitions, 475 flow [2022-11-20 12:04:59,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.0) internal successors, (1380), 6 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) [2022-11-20 12:04:59,910 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:04:59,911 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:59,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 12:04:59,911 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:04:59,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:59,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1389353523, now seen corresponding path program 1 times [2022-11-20 12:04:59,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:59,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204205153] [2022-11-20 12:04:59,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:59,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:05:00,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:05:00,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204205153] [2022-11-20 12:05:00,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204205153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:00,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:00,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:05:00,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190366948] [2022-11-20 12:05:00,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:00,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:05:00,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:05:00,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:05:00,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:05:00,492 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 302 [2022-11-20 12:05:00,493 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 229 transitions, 475 flow. Second operand has 6 states, 6 states have (on average 231.0) internal successors, (1386), 6 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:00,493 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:05:00,493 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 302 [2022-11-20 12:05:00,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:05:00,907 INFO L130 PetriNetUnfolder]: 186/573 cut-off events. [2022-11-20 12:05:00,907 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 12:05:00,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 573 events. 186/573 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2012 event pairs, 100 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 853. Up to 271 conditions per place. [2022-11-20 12:05:00,912 INFO L137 encePairwiseOnDemand]: 297/302 looper letters, 38 selfloop transitions, 4 changer transitions 0/232 dead transitions. [2022-11-20 12:05:00,913 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 232 transitions, 565 flow [2022-11-20 12:05:00,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:05:00,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:05:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1405 transitions. [2022-11-20 12:05:00,916 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7753863134657837 [2022-11-20 12:05:00,917 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1405 transitions. [2022-11-20 12:05:00,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1405 transitions. [2022-11-20 12:05:00,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:05:00,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1405 transitions. [2022-11-20 12:05:00,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 234.16666666666666) internal successors, (1405), 6 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:00,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:00,926 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 302.0) internal successors, (2114), 7 states have internal predecessors, (2114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:00,926 INFO L175 Difference]: Start difference. First operand has 235 places, 229 transitions, 475 flow. Second operand 6 states and 1405 transitions. [2022-11-20 12:05:00,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 232 transitions, 565 flow [2022-11-20 12:05:00,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 232 transitions, 558 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:05:00,931 INFO L231 Difference]: Finished difference. Result has 235 places, 228 transitions, 474 flow [2022-11-20 12:05:00,932 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=474, PETRI_PLACES=235, PETRI_TRANSITIONS=228} [2022-11-20 12:05:00,932 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -38 predicate places. [2022-11-20 12:05:00,932 INFO L495 AbstractCegarLoop]: Abstraction has has 235 places, 228 transitions, 474 flow [2022-11-20 12:05:00,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 231.0) internal successors, (1386), 6 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:00,933 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:05:00,934 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:00,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 12:05:00,934 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:05:00,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:00,935 INFO L85 PathProgramCache]: Analyzing trace with hash -494196256, now seen corresponding path program 1 times [2022-11-20 12:05:00,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:05:00,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568501869] [2022-11-20 12:05:00,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:00,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:05:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:01,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:05:01,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:05:01,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568501869] [2022-11-20 12:05:01,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568501869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:01,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:01,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:05:01,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124057856] [2022-11-20 12:05:01,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:01,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:05:01,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:05:01,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:05:01,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:05:01,021 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 302 [2022-11-20 12:05:01,022 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 228 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:01,022 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:05:01,022 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 302 [2022-11-20 12:05:01,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:05:01,134 INFO L130 PetriNetUnfolder]: 43/384 cut-off events. [2022-11-20 12:05:01,134 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-20 12:05:01,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 384 events. 43/384 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 912 event pairs, 15 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 439. Up to 59 conditions per place. [2022-11-20 12:05:01,137 INFO L137 encePairwiseOnDemand]: 300/302 looper letters, 10 selfloop transitions, 1 changer transitions 0/227 dead transitions. [2022-11-20 12:05:01,137 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 227 transitions, 494 flow [2022-11-20 12:05:01,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:05:01,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:05:01,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 792 transitions. [2022-11-20 12:05:01,140 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8741721854304636 [2022-11-20 12:05:01,140 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 792 transitions. [2022-11-20 12:05:01,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 792 transitions. [2022-11-20 12:05:01,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:05:01,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 792 transitions. [2022-11-20 12:05:01,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:01,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:01,154 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:01,154 INFO L175 Difference]: Start difference. First operand has 235 places, 228 transitions, 474 flow. Second operand 3 states and 792 transitions. [2022-11-20 12:05:01,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 227 transitions, 494 flow [2022-11-20 12:05:01,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 227 transitions, 487 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:05:01,160 INFO L231 Difference]: Finished difference. Result has 232 places, 227 transitions, 467 flow [2022-11-20 12:05:01,160 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=467, PETRI_PLACES=232, PETRI_TRANSITIONS=227} [2022-11-20 12:05:01,161 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -41 predicate places. [2022-11-20 12:05:01,161 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 227 transitions, 467 flow [2022-11-20 12:05:01,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:01,162 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:05:01,162 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:01,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 12:05:01,162 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 12:05:01,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:01,163 INFO L85 PathProgramCache]: Analyzing trace with hash 452205425, now seen corresponding path program 1 times [2022-11-20 12:05:01,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:05:01,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410789731] [2022-11-20 12:05:01,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:01,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:05:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:05:01,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:05:01,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410789731] [2022-11-20 12:05:01,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410789731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:01,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:01,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:05:01,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168658462] [2022-11-20 12:05:01,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:01,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:05:01,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:05:01,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:05:01,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:05:01,258 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 302 [2022-11-20 12:05:01,260 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 227 transitions, 467 flow. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:01,260 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:05:01,260 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 302 [2022-11-20 12:05:01,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:05:01,400 INFO L130 PetriNetUnfolder]: 43/383 cut-off events. [2022-11-20 12:05:01,400 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-20 12:05:01,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 383 events. 43/383 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 912 event pairs, 15 based on Foata normal form. 1/354 useless extension candidates. Maximal degree in co-relation 450. Up to 59 conditions per place. [2022-11-20 12:05:01,402 INFO L137 encePairwiseOnDemand]: 300/302 looper letters, 0 selfloop transitions, 0 changer transitions 226/226 dead transitions. [2022-11-20 12:05:01,402 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 226 transitions, 485 flow [2022-11-20 12:05:01,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:05:01,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:05:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 791 transitions. [2022-11-20 12:05:01,406 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8730684326710817 [2022-11-20 12:05:01,406 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 791 transitions. [2022-11-20 12:05:01,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 791 transitions. [2022-11-20 12:05:01,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:05:01,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 791 transitions. [2022-11-20 12:05:01,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.6666666666667) internal successors, (791), 3 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:01,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:01,412 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:01,413 INFO L175 Difference]: Start difference. First operand has 232 places, 227 transitions, 467 flow. Second operand 3 states and 791 transitions. [2022-11-20 12:05:01,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 226 transitions, 485 flow [2022-11-20 12:05:01,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 226 transitions, 484 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:05:01,417 INFO L231 Difference]: Finished difference. Result has 232 places, 0 transitions, 0 flow [2022-11-20 12:05:01,417 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=232, PETRI_TRANSITIONS=0} [2022-11-20 12:05:01,418 INFO L288 CegarLoopForPetriNet]: 273 programPoint places, -41 predicate places. [2022-11-20 12:05:01,418 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 0 transitions, 0 flow [2022-11-20 12:05:01,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:05:01,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2022-11-20 12:05:01,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2022-11-20 12:05:01,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2022-11-20 12:05:01,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2022-11-20 12:05:01,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2022-11-20 12:05:01,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2022-11-20 12:05:01,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2022-11-20 12:05:01,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2022-11-20 12:05:01,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2022-11-20 12:05:01,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2022-11-20 12:05:01,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2022-11-20 12:05:01,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2022-11-20 12:05:01,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2022-11-20 12:05:01,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2022-11-20 12:05:01,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2022-11-20 12:05:01,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2022-11-20 12:05:01,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2022-11-20 12:05:01,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2022-11-20 12:05:01,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2022-11-20 12:05:01,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2022-11-20 12:05:01,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2022-11-20 12:05:01,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2022-11-20 12:05:01,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2022-11-20 12:05:01,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2022-11-20 12:05:01,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2022-11-20 12:05:01,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2022-11-20 12:05:01,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2022-11-20 12:05:01,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2022-11-20 12:05:01,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2022-11-20 12:05:01,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2022-11-20 12:05:01,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2022-11-20 12:05:01,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2022-11-20 12:05:01,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2022-11-20 12:05:01,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2022-11-20 12:05:01,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2022-11-20 12:05:01,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2022-11-20 12:05:01,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2022-11-20 12:05:01,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2022-11-20 12:05:01,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2022-11-20 12:05:01,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2022-11-20 12:05:01,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2022-11-20 12:05:01,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2022-11-20 12:05:01,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2022-11-20 12:05:01,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2022-11-20 12:05:01,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2022-11-20 12:05:01,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2022-11-20 12:05:01,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2022-11-20 12:05:01,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2022-11-20 12:05:01,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2022-11-20 12:05:01,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2022-11-20 12:05:01,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2022-11-20 12:05:01,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2022-11-20 12:05:01,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2022-11-20 12:05:01,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2022-11-20 12:05:01,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2022-11-20 12:05:01,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2022-11-20 12:05:01,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2022-11-20 12:05:01,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2022-11-20 12:05:01,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2022-11-20 12:05:01,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2022-11-20 12:05:01,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2022-11-20 12:05:01,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2022-11-20 12:05:01,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2022-11-20 12:05:01,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:05:01,439 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:01,445 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 12:05:01,445 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:05:01,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:05:01 BasicIcfg [2022-11-20 12:05:01,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:05:01,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:05:01,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:05:01,452 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:05:01,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:53" (3/4) ... [2022-11-20 12:05:01,456 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:05:01,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 12:05:01,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 12:05:01,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 12:05:01,468 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-20 12:05:01,469 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 12:05:01,469 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:05:01,470 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:05:01,516 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:05:01,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:05:01,517 INFO L158 Benchmark]: Toolchain (without parser) took 10199.77ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 144.7MB in the beginning and 228.2MB in the end (delta: -83.5MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2022-11-20 12:05:01,517 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:05:01,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.03ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 131.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:05:01,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.38ms. Allocated memory is still 176.2MB. Free memory was 131.6MB in the beginning and 128.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:05:01,519 INFO L158 Benchmark]: Boogie Preprocessor took 90.05ms. Allocated memory is still 176.2MB. Free memory was 128.0MB in the beginning and 124.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:05:01,519 INFO L158 Benchmark]: RCFGBuilder took 1572.39ms. Allocated memory is still 176.2MB. Free memory was 124.7MB in the beginning and 82.7MB in the end (delta: 42.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-11-20 12:05:01,519 INFO L158 Benchmark]: TraceAbstraction took 8021.56ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 81.7MB in the beginning and 232.4MB in the end (delta: -150.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:05:01,520 INFO L158 Benchmark]: Witness Printer took 64.75ms. Allocated memory is still 308.3MB. Free memory was 232.4MB in the beginning and 228.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:05:01,521 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.03ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 131.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.38ms. Allocated memory is still 176.2MB. Free memory was 131.6MB in the beginning and 128.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.05ms. Allocated memory is still 176.2MB. Free memory was 128.0MB in the beginning and 124.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1572.39ms. Allocated memory is still 176.2MB. Free memory was 124.7MB in the beginning and 82.7MB in the end (delta: 42.0MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8021.56ms. Allocated memory was 176.2MB in the beginning and 308.3MB in the end (delta: 132.1MB). Free memory was 81.7MB in the beginning and 232.4MB in the end (delta: -150.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.75ms. Allocated memory is still 308.3MB. Free memory was 232.4MB in the beginning and 228.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 346 locations, 63 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.8s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 570 IncrementalHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 160 mSDtfsCounter, 570 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=576occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1235 NumberOfCodeBlocks, 1235 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1223 ConstructedInterpolants, 0 QuantifiedInterpolants, 1597 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 12:05:01,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d73acd-553c-468c-946f-109712864cc7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE