./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/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_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/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_2bc0d83c-baea-4587-a9b6-40845ff67bbe/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 44a86740b4b3d791346dd5ab0675f134d34312247f7633c0f06bf117457d4ce2 --- 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 12:03:17,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:03:17,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:03:17,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:03:17,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:03:17,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:03:17,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:03:17,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:03:17,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:03:17,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:03:17,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:03:17,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:03:17,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:03:17,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:03:17,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:03:17,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:03:17,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:03:17,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:03:17,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:03:17,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:03:17,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:03:17,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:03:17,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:03:17,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:03:17,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:03:17,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:03:17,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:03:17,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:03:17,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:03:17,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:03:17,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:03:17,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:03:17,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:03:17,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:03:17,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:03:17,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:03:17,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:03:17,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:03:17,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:03:17,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:03:17,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:03:17,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 12:03:17,704 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:03:17,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:03:17,705 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:03:17,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:03:17,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:03:17,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:03:17,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:03:17,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:03:17,708 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:03:17,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:03:17,709 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:03:17,709 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:03:17,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:03:17,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:03:17,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:03:17,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:03:17,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:03:17,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:03:17,712 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 12:03:17,712 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:03:17,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:03:17,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:03:17,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:03:17,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:03:17,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:03:17,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:03:17,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:03:17,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:03:17,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:03:17,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:03:17,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:03:17,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:03:17,717 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:03:17,718 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:03:17,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:03:17,718 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_2bc0d83c-baea-4587-a9b6-40845ff67bbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a86740b4b3d791346dd5ab0675f134d34312247f7633c0f06bf117457d4ce2 [2022-11-20 12:03:18,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:03:18,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:03:18,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:03:18,097 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:03:18,098 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:03:18,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2022-11-20 12:03:21,924 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:03:22,190 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:03:22,191 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2022-11-20 12:03:22,201 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN/data/7fb7a25ad/1ad1a61062164f26a5872533b1b84ff9/FLAG4eef25408 [2022-11-20 12:03:22,220 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN/data/7fb7a25ad/1ad1a61062164f26a5872533b1b84ff9 [2022-11-20 12:03:22,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:03:22,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:03:22,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:03:22,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:03:22,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:03:22,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@690af936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22, skipping insertion in model container [2022-11-20 12:03:22,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:03:22,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:03:22,512 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_2bc0d83c-baea-4587-a9b6-40845ff67bbe/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c[3481,3494] [2022-11-20 12:03:22,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:03:22,541 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:03:22,642 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_2bc0d83c-baea-4587-a9b6-40845ff67bbe/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c[3481,3494] [2022-11-20 12:03:22,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:03:22,676 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:03:22,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22 WrapperNode [2022-11-20 12:03:22,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:03:22,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:03:22,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:03:22,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:03:22,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,763 INFO L138 Inliner]: procedures = 23, calls = 45, calls flagged for inlining = 17, calls inlined = 39, statements flattened = 558 [2022-11-20 12:03:22,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:03:22,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:03:22,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:03:22,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:03:22,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:03:22,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:03:22,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:03:22,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:03:22,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (1/1) ... [2022-11-20 12:03:22,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:03:22,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:03:22,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:03:22,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:03:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:03:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 12:03:22,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 12:03:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 12:03:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 12:03:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 12:03:22,976 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 12:03:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:03:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:03:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:03:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 12:03:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 12:03:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:03:22,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:03:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:03:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:03:22,981 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 12:03:23,158 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:03:23,161 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:03:24,457 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:03:25,855 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:03:25,856 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:03:25,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:03:25 BoogieIcfgContainer [2022-11-20 12:03:25,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:03:25,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:03:25,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:03:25,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:03:25,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:03:22" (1/3) ... [2022-11-20 12:03:25,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e176fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:03:25, skipping insertion in model container [2022-11-20 12:03:25,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:03:22" (2/3) ... [2022-11-20 12:03:25,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e176fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:03:25, skipping insertion in model container [2022-11-20 12:03:25,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:03:25" (3/3) ... [2022-11-20 12:03:25,880 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-trans.wvr.c [2022-11-20 12:03:25,892 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 12:03:25,905 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:03:25,906 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2022-11-20 12:03:25,906 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 12:03:26,220 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 12:03:26,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 282 places, 275 transitions, 574 flow [2022-11-20 12:03:26,497 INFO L130 PetriNetUnfolder]: 3/272 cut-off events. [2022-11-20 12:03:26,499 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 12:03:26,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 272 events. 3/272 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 386 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 101. Up to 2 conditions per place. [2022-11-20 12:03:26,507 INFO L82 GeneralOperation]: Start removeDead. Operand has 282 places, 275 transitions, 574 flow [2022-11-20 12:03:26,519 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 257 places, 248 transitions, 514 flow [2022-11-20 12:03:26,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:03:26,550 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;@50b09257, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:03:26,551 INFO L358 AbstractCegarLoop]: Starting to check reachability of 129 error locations. [2022-11-20 12:03:26,559 INFO L130 PetriNetUnfolder]: 0/34 cut-off events. [2022-11-20 12:03:26,560 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:03:26,560 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:26,561 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] [2022-11-20 12:03:26,562 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:26,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:26,569 INFO L85 PathProgramCache]: Analyzing trace with hash 64774575, now seen corresponding path program 1 times [2022-11-20 12:03:26,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:26,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637252301] [2022-11-20 12:03:26,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:26,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:26,901 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 12:03:26,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:26,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637252301] [2022-11-20 12:03:26,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637252301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:26,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:26,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:26,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144318991] [2022-11-20 12:03:26,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:26,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:26,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:26,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:26,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:26,981 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:26,989 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 248 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:26,990 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:26,990 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:26,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:27,304 INFO L130 PetriNetUnfolder]: 16/244 cut-off events. [2022-11-20 12:03:27,305 INFO L131 PetriNetUnfolder]: For 34/41 co-relation queries the response was YES. [2022-11-20 12:03:27,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 244 events. 16/244 cut-off events. For 34/41 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 235 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 173. Up to 40 conditions per place. [2022-11-20 12:03:27,310 INFO L137 encePairwiseOnDemand]: 218/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2022-11-20 12:03:27,311 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 193 transitions, 432 flow [2022-11-20 12:03:27,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:27,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:27,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 681 transitions. [2022-11-20 12:03:27,338 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8254545454545454 [2022-11-20 12:03:27,340 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 681 transitions. [2022-11-20 12:03:27,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 681 transitions. [2022-11-20 12:03:27,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:27,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 681 transitions. [2022-11-20 12:03:27,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 0 states have call successors, (0), 0 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 12:03:27,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:27,368 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:27,370 INFO L175 Difference]: Start difference. First operand has 257 places, 248 transitions, 514 flow. Second operand 3 states and 681 transitions. [2022-11-20 12:03:27,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 193 transitions, 432 flow [2022-11-20 12:03:27,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 193 transitions, 420 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-20 12:03:27,383 INFO L231 Difference]: Finished difference. Result has 198 places, 193 transitions, 396 flow [2022-11-20 12:03:27,386 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=198, PETRI_TRANSITIONS=193} [2022-11-20 12:03:27,391 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -59 predicate places. [2022-11-20 12:03:27,391 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 193 transitions, 396 flow [2022-11-20 12:03:27,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:27,392 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:27,392 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] [2022-11-20 12:03:27,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:03:27,393 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:27,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:27,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1743255454, now seen corresponding path program 1 times [2022-11-20 12:03:27,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:27,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776822563] [2022-11-20 12:03:27,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:27,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:27,517 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 12:03:27,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:27,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776822563] [2022-11-20 12:03:27,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776822563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:27,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:27,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:27,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127684111] [2022-11-20 12:03:27,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:27,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:27,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:27,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:27,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:27,523 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:27,524 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:27,524 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:27,525 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:27,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:27,671 INFO L130 PetriNetUnfolder]: 16/243 cut-off events. [2022-11-20 12:03:27,671 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:27,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 243 events. 16/243 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 235 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 253. Up to 40 conditions per place. [2022-11-20 12:03:27,674 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/192 dead transitions. [2022-11-20 12:03:27,674 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 192 transitions, 422 flow [2022-11-20 12:03:27,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-20 12:03:27,677 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-20 12:03:27,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-20 12:03:27,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-20 12:03:27,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:27,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-20 12:03:27,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 12:03:27,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:27,683 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:27,684 INFO L175 Difference]: Start difference. First operand has 198 places, 193 transitions, 396 flow. Second operand 3 states and 627 transitions. [2022-11-20 12:03:27,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 192 transitions, 422 flow [2022-11-20 12:03:27,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 192 transitions, 418 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:27,690 INFO L231 Difference]: Finished difference. Result has 197 places, 192 transitions, 394 flow [2022-11-20 12:03:27,690 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=197, PETRI_TRANSITIONS=192} [2022-11-20 12:03:27,691 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -60 predicate places. [2022-11-20 12:03:27,691 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 192 transitions, 394 flow [2022-11-20 12:03:27,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:27,692 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:27,692 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:03:27,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:03:27,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:27,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:27,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1850007517, now seen corresponding path program 1 times [2022-11-20 12:03:27,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:27,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906829737] [2022-11-20 12:03:27,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:27,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:27,782 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 12:03:27,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:27,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906829737] [2022-11-20 12:03:27,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906829737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:27,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:27,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:27,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172962709] [2022-11-20 12:03:27,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:27,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:27,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:27,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:27,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:27,786 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:27,787 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 192 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:27,788 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:27,790 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:27,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:27,978 INFO L130 PetriNetUnfolder]: 16/242 cut-off events. [2022-11-20 12:03:27,979 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:27,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 242 events. 16/242 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 234 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 245. Up to 40 conditions per place. [2022-11-20 12:03:27,982 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2022-11-20 12:03:27,982 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 191 transitions, 420 flow [2022-11-20 12:03:27,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:27,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-20 12:03:27,987 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-20 12:03:27,988 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-20 12:03:27,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-20 12:03:27,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:27,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-20 12:03:27,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 12:03:27,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:27,995 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:27,996 INFO L175 Difference]: Start difference. First operand has 197 places, 192 transitions, 394 flow. Second operand 3 states and 627 transitions. [2022-11-20 12:03:27,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 191 transitions, 420 flow [2022-11-20 12:03:27,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 191 transitions, 416 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:28,003 INFO L231 Difference]: Finished difference. Result has 196 places, 191 transitions, 392 flow [2022-11-20 12:03:28,004 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=196, PETRI_TRANSITIONS=191} [2022-11-20 12:03:28,007 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -61 predicate places. [2022-11-20 12:03:28,008 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 191 transitions, 392 flow [2022-11-20 12:03:28,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:28,009 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:28,009 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:03:28,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:03:28,010 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:28,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:28,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1097061295, now seen corresponding path program 1 times [2022-11-20 12:03:28,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:28,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478427538] [2022-11-20 12:03:28,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:28,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:28,115 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 12:03:28,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:28,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478427538] [2022-11-20 12:03:28,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478427538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:28,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:28,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:28,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459550790] [2022-11-20 12:03:28,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:28,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:28,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:28,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:28,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:28,121 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:28,122 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 191 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:28,122 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:28,123 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:28,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:28,294 INFO L130 PetriNetUnfolder]: 16/241 cut-off events. [2022-11-20 12:03:28,294 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:28,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 241 events. 16/241 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 236 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 237. Up to 40 conditions per place. [2022-11-20 12:03:28,296 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2022-11-20 12:03:28,297 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 190 transitions, 418 flow [2022-11-20 12:03:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:28,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-20 12:03:28,300 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-20 12:03:28,300 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-20 12:03:28,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-20 12:03:28,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:28,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-20 12:03:28,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 12:03:28,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:28,308 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:28,308 INFO L175 Difference]: Start difference. First operand has 196 places, 191 transitions, 392 flow. Second operand 3 states and 627 transitions. [2022-11-20 12:03:28,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 190 transitions, 418 flow [2022-11-20 12:03:28,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 190 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:28,315 INFO L231 Difference]: Finished difference. Result has 195 places, 190 transitions, 390 flow [2022-11-20 12:03:28,316 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=195, PETRI_TRANSITIONS=190} [2022-11-20 12:03:28,317 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -62 predicate places. [2022-11-20 12:03:28,317 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 190 transitions, 390 flow [2022-11-20 12:03:28,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:28,318 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:28,318 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] [2022-11-20 12:03:28,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:03:28,319 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:28,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:28,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1866132514, now seen corresponding path program 1 times [2022-11-20 12:03:28,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:28,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123752413] [2022-11-20 12:03:28,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:28,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:28,393 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 12:03:28,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:28,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123752413] [2022-11-20 12:03:28,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123752413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:28,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:28,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:28,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987601078] [2022-11-20 12:03:28,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:28,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:28,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:28,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:28,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:28,398 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:28,399 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 190 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:28,399 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:28,399 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:28,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:28,557 INFO L130 PetriNetUnfolder]: 16/240 cut-off events. [2022-11-20 12:03:28,557 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:28,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 240 events. 16/240 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 234 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 229. Up to 40 conditions per place. [2022-11-20 12:03:28,559 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2022-11-20 12:03:28,559 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 189 transitions, 416 flow [2022-11-20 12:03:28,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:28,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:28,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-20 12:03:28,562 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-20 12:03:28,562 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-20 12:03:28,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-20 12:03:28,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:28,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-20 12:03:28,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 12:03:28,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:28,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:28,569 INFO L175 Difference]: Start difference. First operand has 195 places, 190 transitions, 390 flow. Second operand 3 states and 627 transitions. [2022-11-20 12:03:28,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 189 transitions, 416 flow [2022-11-20 12:03:28,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 189 transitions, 412 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:28,575 INFO L231 Difference]: Finished difference. Result has 194 places, 189 transitions, 388 flow [2022-11-20 12:03:28,576 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=194, PETRI_TRANSITIONS=189} [2022-11-20 12:03:28,579 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -63 predicate places. [2022-11-20 12:03:28,579 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 189 transitions, 388 flow [2022-11-20 12:03:28,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:28,580 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:28,581 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] [2022-11-20 12:03:28,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:03:28,581 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:28,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:28,583 INFO L85 PathProgramCache]: Analyzing trace with hash 857928664, now seen corresponding path program 1 times [2022-11-20 12:03:28,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:28,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963512235] [2022-11-20 12:03:28,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:28,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:28,721 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 12:03:28,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:28,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963512235] [2022-11-20 12:03:28,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963512235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:28,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:28,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:28,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537616026] [2022-11-20 12:03:28,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:28,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:28,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:28,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:28,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:28,725 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:28,727 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 189 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:28,730 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:28,730 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:28,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:28,876 INFO L130 PetriNetUnfolder]: 16/239 cut-off events. [2022-11-20 12:03:28,876 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:28,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 239 events. 16/239 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 233 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 221. Up to 40 conditions per place. [2022-11-20 12:03:28,880 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2022-11-20 12:03:28,881 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 188 transitions, 414 flow [2022-11-20 12:03:28,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:28,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:28,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-20 12:03:28,884 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-20 12:03:28,884 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-20 12:03:28,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-20 12:03:28,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:28,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-20 12:03:28,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 12:03:28,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:28,890 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:28,890 INFO L175 Difference]: Start difference. First operand has 194 places, 189 transitions, 388 flow. Second operand 3 states and 627 transitions. [2022-11-20 12:03:28,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 188 transitions, 414 flow [2022-11-20 12:03:28,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 188 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:28,895 INFO L231 Difference]: Finished difference. Result has 193 places, 188 transitions, 386 flow [2022-11-20 12:03:28,896 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=193, PETRI_TRANSITIONS=188} [2022-11-20 12:03:28,899 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -64 predicate places. [2022-11-20 12:03:28,899 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 188 transitions, 386 flow [2022-11-20 12:03:28,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:28,900 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:28,901 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] [2022-11-20 12:03:28,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:03:28,901 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:28,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:28,902 INFO L85 PathProgramCache]: Analyzing trace with hash 624269187, now seen corresponding path program 1 times [2022-11-20 12:03:28,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:28,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107423220] [2022-11-20 12:03:28,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:28,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:29,012 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 12:03:29,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:29,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107423220] [2022-11-20 12:03:29,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107423220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:29,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:29,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:29,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106046780] [2022-11-20 12:03:29,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:29,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:29,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:29,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:29,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:29,028 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:29,029 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 188 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:29,030 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:29,031 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:29,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:29,171 INFO L130 PetriNetUnfolder]: 16/238 cut-off events. [2022-11-20 12:03:29,171 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:29,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 238 events. 16/238 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 230 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 213. Up to 40 conditions per place. [2022-11-20 12:03:29,173 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2022-11-20 12:03:29,173 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 187 transitions, 412 flow [2022-11-20 12:03:29,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:29,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:29,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-20 12:03:29,177 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-20 12:03:29,177 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:29,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 12:03:29,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:29,184 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:29,184 INFO L175 Difference]: Start difference. First operand has 193 places, 188 transitions, 386 flow. Second operand 3 states and 627 transitions. [2022-11-20 12:03:29,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 187 transitions, 412 flow [2022-11-20 12:03:29,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 187 transitions, 408 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:29,190 INFO L231 Difference]: Finished difference. Result has 192 places, 187 transitions, 384 flow [2022-11-20 12:03:29,191 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=192, PETRI_TRANSITIONS=187} [2022-11-20 12:03:29,192 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -65 predicate places. [2022-11-20 12:03:29,193 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 187 transitions, 384 flow [2022-11-20 12:03:29,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:29,193 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:29,194 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] [2022-11-20 12:03:29,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:03:29,194 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:29,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:29,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1234529450, now seen corresponding path program 1 times [2022-11-20 12:03:29,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:29,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833201089] [2022-11-20 12:03:29,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:29,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:29,301 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 12:03:29,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:29,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833201089] [2022-11-20 12:03:29,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833201089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:29,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:29,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:29,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350270250] [2022-11-20 12:03:29,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:29,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:29,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:29,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:29,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:29,305 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:29,306 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 187 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:29,307 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:29,307 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:29,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:29,446 INFO L130 PetriNetUnfolder]: 16/237 cut-off events. [2022-11-20 12:03:29,446 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:29,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 237 events. 16/237 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 229 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 205. Up to 40 conditions per place. [2022-11-20 12:03:29,448 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2022-11-20 12:03:29,448 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 186 transitions, 410 flow [2022-11-20 12:03:29,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:29,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-20 12:03:29,451 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-20 12:03:29,451 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:29,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 12:03:29,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:29,457 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:29,457 INFO L175 Difference]: Start difference. First operand has 192 places, 187 transitions, 384 flow. Second operand 3 states and 627 transitions. [2022-11-20 12:03:29,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 186 transitions, 410 flow [2022-11-20 12:03:29,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 186 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:29,462 INFO L231 Difference]: Finished difference. Result has 191 places, 186 transitions, 382 flow [2022-11-20 12:03:29,463 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=191, PETRI_TRANSITIONS=186} [2022-11-20 12:03:29,467 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -66 predicate places. [2022-11-20 12:03:29,467 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 186 transitions, 382 flow [2022-11-20 12:03:29,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:29,468 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:29,468 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] [2022-11-20 12:03:29,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:03:29,469 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:29,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:29,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1851739378, now seen corresponding path program 1 times [2022-11-20 12:03:29,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:29,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136549542] [2022-11-20 12:03:29,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:29,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:29,584 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 12:03:29,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:29,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136549542] [2022-11-20 12:03:29,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136549542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:29,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:29,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:29,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602597498] [2022-11-20 12:03:29,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:29,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:29,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:29,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:29,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:29,588 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:29,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 186 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:29,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:29,590 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:29,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:29,752 INFO L130 PetriNetUnfolder]: 16/236 cut-off events. [2022-11-20 12:03:29,752 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:29,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 236 events. 16/236 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 229 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 197. Up to 40 conditions per place. [2022-11-20 12:03:29,754 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2022-11-20 12:03:29,754 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 185 transitions, 408 flow [2022-11-20 12:03:29,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-20 12:03:29,757 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-20 12:03:29,757 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:29,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 12:03:29,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:29,763 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:29,763 INFO L175 Difference]: Start difference. First operand has 191 places, 186 transitions, 382 flow. Second operand 3 states and 627 transitions. [2022-11-20 12:03:29,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 185 transitions, 408 flow [2022-11-20 12:03:29,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 185 transitions, 404 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:29,768 INFO L231 Difference]: Finished difference. Result has 190 places, 185 transitions, 380 flow [2022-11-20 12:03:29,769 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=190, PETRI_TRANSITIONS=185} [2022-11-20 12:03:29,770 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -67 predicate places. [2022-11-20 12:03:29,770 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 185 transitions, 380 flow [2022-11-20 12:03:29,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:29,771 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:29,771 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] [2022-11-20 12:03:29,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 12:03:29,772 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:29,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:29,772 INFO L85 PathProgramCache]: Analyzing trace with hash -405661687, now seen corresponding path program 1 times [2022-11-20 12:03:29,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:29,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892577759] [2022-11-20 12:03:29,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:29,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:29,824 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 12:03:29,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:29,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892577759] [2022-11-20 12:03:29,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892577759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:29,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:29,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:29,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815224878] [2022-11-20 12:03:29,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:29,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:29,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:29,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:29,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:29,829 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:29,830 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 185 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:29,830 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:29,830 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:29,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:29,960 INFO L130 PetriNetUnfolder]: 16/235 cut-off events. [2022-11-20 12:03:29,960 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:29,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 235 events. 16/235 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 230 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 189. Up to 40 conditions per place. [2022-11-20 12:03:29,962 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/184 dead transitions. [2022-11-20 12:03:29,962 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 184 transitions, 406 flow [2022-11-20 12:03:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-20 12:03:29,965 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-20 12:03:29,965 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:29,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-20 12:03:29,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 12:03:29,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:29,971 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:29,971 INFO L175 Difference]: Start difference. First operand has 190 places, 185 transitions, 380 flow. Second operand 3 states and 627 transitions. [2022-11-20 12:03:29,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 184 transitions, 406 flow [2022-11-20 12:03:29,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 184 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:29,982 INFO L231 Difference]: Finished difference. Result has 189 places, 184 transitions, 378 flow [2022-11-20 12:03:29,984 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=189, PETRI_TRANSITIONS=184} [2022-11-20 12:03:29,985 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -68 predicate places. [2022-11-20 12:03:29,985 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 184 transitions, 378 flow [2022-11-20 12:03:29,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:29,986 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:29,986 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] [2022-11-20 12:03:29,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 12:03:29,989 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:29,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:29,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1762364813, now seen corresponding path program 1 times [2022-11-20 12:03:29,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:29,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005382460] [2022-11-20 12:03:29,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:29,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:30,071 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 12:03:30,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:30,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005382460] [2022-11-20 12:03:30,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005382460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:30,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:30,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:30,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186416767] [2022-11-20 12:03:30,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:30,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:30,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:30,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:30,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:30,078 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:30,079 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 184 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:30,079 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:30,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:30,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:30,222 INFO L130 PetriNetUnfolder]: 16/234 cut-off events. [2022-11-20 12:03:30,223 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:30,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 234 events. 16/234 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 228 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 181. Up to 40 conditions per place. [2022-11-20 12:03:30,225 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/183 dead transitions. [2022-11-20 12:03:30,225 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 183 transitions, 404 flow [2022-11-20 12:03:30,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:30,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:30,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-20 12:03:30,229 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-20 12:03:30,229 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-20 12:03:30,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-20 12:03:30,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:30,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-20 12:03:30,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 12:03:30,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:30,235 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:30,235 INFO L175 Difference]: Start difference. First operand has 189 places, 184 transitions, 378 flow. Second operand 3 states and 627 transitions. [2022-11-20 12:03:30,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 183 transitions, 404 flow [2022-11-20 12:03:30,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 183 transitions, 400 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:30,241 INFO L231 Difference]: Finished difference. Result has 188 places, 183 transitions, 376 flow [2022-11-20 12:03:30,241 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=376, PETRI_PLACES=188, PETRI_TRANSITIONS=183} [2022-11-20 12:03:30,243 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -69 predicate places. [2022-11-20 12:03:30,243 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 183 transitions, 376 flow [2022-11-20 12:03:30,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:30,244 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:30,244 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] [2022-11-20 12:03:30,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 12:03:30,245 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:30,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:30,245 INFO L85 PathProgramCache]: Analyzing trace with hash 702432143, now seen corresponding path program 1 times [2022-11-20 12:03:30,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:30,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42568105] [2022-11-20 12:03:30,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:30,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:30,306 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 12:03:30,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:30,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42568105] [2022-11-20 12:03:30,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42568105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:30,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:30,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:30,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693586515] [2022-11-20 12:03:30,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:30,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:30,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:30,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:30,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:30,310 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-20 12:03:30,341 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 183 transitions, 376 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:30,342 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:30,342 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-20 12:03:30,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:30,469 INFO L130 PetriNetUnfolder]: 16/233 cut-off events. [2022-11-20 12:03:30,469 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:30,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 233 events. 16/233 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 227 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 173. Up to 40 conditions per place. [2022-11-20 12:03:30,471 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2022-11-20 12:03:30,471 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 182 transitions, 402 flow [2022-11-20 12:03:30,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:30,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:30,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-20 12:03:30,474 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-20 12:03:30,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-20 12:03:30,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-20 12:03:30,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:30,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-20 12:03:30,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 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 12:03:30,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:30,481 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:30,481 INFO L175 Difference]: Start difference. First operand has 188 places, 183 transitions, 376 flow. Second operand 3 states and 627 transitions. [2022-11-20 12:03:30,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 182 transitions, 402 flow [2022-11-20 12:03:30,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 182 transitions, 398 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:30,486 INFO L231 Difference]: Finished difference. Result has 187 places, 182 transitions, 374 flow [2022-11-20 12:03:30,487 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=374, PETRI_PLACES=187, PETRI_TRANSITIONS=182} [2022-11-20 12:03:30,488 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -70 predicate places. [2022-11-20 12:03:30,488 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 182 transitions, 374 flow [2022-11-20 12:03:30,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 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 12:03:30,489 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:30,489 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] [2022-11-20 12:03:30,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:03:30,490 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:30,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:30,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1485471527, now seen corresponding path program 1 times [2022-11-20 12:03:30,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:30,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584024087] [2022-11-20 12:03:30,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:30,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:31,388 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 12:03:31,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:31,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584024087] [2022-11-20 12:03:31,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584024087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:31,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:31,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:03:31,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203738137] [2022-11-20 12:03:31,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:31,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:03:31,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:31,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:03:31,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:03:31,402 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 275 [2022-11-20 12:03:31,406 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 182 transitions, 374 flow. Second operand has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 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 12:03:31,406 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:31,407 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 275 [2022-11-20 12:03:31,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:31,981 INFO L130 PetriNetUnfolder]: 118/414 cut-off events. [2022-11-20 12:03:31,981 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:03:31,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 414 events. 118/414 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 818 event pairs, 22 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 530. Up to 118 conditions per place. [2022-11-20 12:03:31,986 INFO L137 encePairwiseOnDemand]: 270/275 looper letters, 38 selfloop transitions, 4 changer transitions 0/193 dead transitions. [2022-11-20 12:03:31,986 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 480 flow [2022-11-20 12:03:31,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:03:31,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:03:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1159 transitions. [2022-11-20 12:03:31,991 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7024242424242424 [2022-11-20 12:03:31,991 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1159 transitions. [2022-11-20 12:03:31,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1159 transitions. [2022-11-20 12:03:31,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:31,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1159 transitions. [2022-11-20 12:03:31,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 193.16666666666666) internal successors, (1159), 6 states have internal predecessors, (1159), 0 states have call successors, (0), 0 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 12:03:32,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 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 12:03:32,001 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 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 12:03:32,002 INFO L175 Difference]: Start difference. First operand has 187 places, 182 transitions, 374 flow. Second operand 6 states and 1159 transitions. [2022-11-20 12:03:32,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 480 flow [2022-11-20 12:03:32,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 193 transitions, 476 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:03:32,009 INFO L231 Difference]: Finished difference. Result has 189 places, 181 transitions, 376 flow [2022-11-20 12:03:32,010 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=376, PETRI_PLACES=189, PETRI_TRANSITIONS=181} [2022-11-20 12:03:32,011 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -68 predicate places. [2022-11-20 12:03:32,011 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 181 transitions, 376 flow [2022-11-20 12:03:32,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 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 12:03:32,014 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:32,014 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] [2022-11-20 12:03:32,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 12:03:32,015 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:32,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:32,016 INFO L85 PathProgramCache]: Analyzing trace with hash -792768382, now seen corresponding path program 1 times [2022-11-20 12:03:32,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:32,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749447143] [2022-11-20 12:03:32,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:32,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:33,052 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 12:03:33,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:33,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749447143] [2022-11-20 12:03:33,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749447143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:33,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:33,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:03:33,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572670921] [2022-11-20 12:03:33,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:33,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:03:33,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:33,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:03:33,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:03:33,058 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 275 [2022-11-20 12:03:33,060 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 181 transitions, 376 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 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 12:03:33,061 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:33,061 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 275 [2022-11-20 12:03:33,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:33,576 INFO L130 PetriNetUnfolder]: 107/397 cut-off events. [2022-11-20 12:03:33,576 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-20 12:03:33,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 397 events. 107/397 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 729 event pairs, 79 based on Foata normal form. 0/383 useless extension candidates. Maximal degree in co-relation 220. Up to 146 conditions per place. [2022-11-20 12:03:33,580 INFO L137 encePairwiseOnDemand]: 270/275 looper letters, 33 selfloop transitions, 4 changer transitions 0/188 dead transitions. [2022-11-20 12:03:33,580 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 188 transitions, 464 flow [2022-11-20 12:03:33,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:03:33,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:03:33,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1154 transitions. [2022-11-20 12:03:33,585 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6993939393939393 [2022-11-20 12:03:33,585 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1154 transitions. [2022-11-20 12:03:33,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1154 transitions. [2022-11-20 12:03:33,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:33,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1154 transitions. [2022-11-20 12:03:33,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.33333333333334) internal successors, (1154), 6 states have internal predecessors, (1154), 0 states have call successors, (0), 0 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 12:03:33,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 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 12:03:33,596 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 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 12:03:33,596 INFO L175 Difference]: Start difference. First operand has 189 places, 181 transitions, 376 flow. Second operand 6 states and 1154 transitions. [2022-11-20 12:03:33,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 188 transitions, 464 flow [2022-11-20 12:03:33,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 188 transitions, 457 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:03:33,602 INFO L231 Difference]: Finished difference. Result has 189 places, 180 transitions, 375 flow [2022-11-20 12:03:33,603 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=375, PETRI_PLACES=189, PETRI_TRANSITIONS=180} [2022-11-20 12:03:33,604 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -68 predicate places. [2022-11-20 12:03:33,604 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 180 transitions, 375 flow [2022-11-20 12:03:33,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 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 12:03:33,605 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:33,605 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] [2022-11-20 12:03:33,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 12:03:33,606 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:33,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:33,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1755894611, now seen corresponding path program 1 times [2022-11-20 12:03:33,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:33,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692605247] [2022-11-20 12:03:33,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:33,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:34,618 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 12:03:34,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:34,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692605247] [2022-11-20 12:03:34,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692605247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:34,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:34,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:03:34,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384173056] [2022-11-20 12:03:34,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:34,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:03:34,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:34,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:03:34,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:03:34,623 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 275 [2022-11-20 12:03:34,625 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 180 transitions, 375 flow. Second operand has 6 states, 6 states have (on average 190.33333333333334) internal successors, (1142), 6 states have internal predecessors, (1142), 0 states have call successors, (0), 0 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 12:03:34,625 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:34,625 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 275 [2022-11-20 12:03:34,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:35,078 INFO L130 PetriNetUnfolder]: 106/395 cut-off events. [2022-11-20 12:03:35,079 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 12:03:35,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 395 events. 106/395 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 727 event pairs, 100 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 473. Up to 189 conditions per place. [2022-11-20 12:03:35,082 INFO L137 encePairwiseOnDemand]: 270/275 looper letters, 28 selfloop transitions, 4 changer transitions 0/183 dead transitions. [2022-11-20 12:03:35,082 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 183 transitions, 445 flow [2022-11-20 12:03:35,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:03:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:03:35,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1149 transitions. [2022-11-20 12:03:35,086 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6963636363636364 [2022-11-20 12:03:35,087 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1149 transitions. [2022-11-20 12:03:35,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1149 transitions. [2022-11-20 12:03:35,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:35,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1149 transitions. [2022-11-20 12:03:35,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.5) internal successors, (1149), 6 states have internal predecessors, (1149), 0 states have call successors, (0), 0 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 12:03:35,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 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 12:03:35,096 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 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 12:03:35,097 INFO L175 Difference]: Start difference. First operand has 189 places, 180 transitions, 375 flow. Second operand 6 states and 1149 transitions. [2022-11-20 12:03:35,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 183 transitions, 445 flow [2022-11-20 12:03:35,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 183 transitions, 438 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:03:35,102 INFO L231 Difference]: Finished difference. Result has 189 places, 179 transitions, 374 flow [2022-11-20 12:03:35,102 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=374, PETRI_PLACES=189, PETRI_TRANSITIONS=179} [2022-11-20 12:03:35,103 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -68 predicate places. [2022-11-20 12:03:35,103 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 179 transitions, 374 flow [2022-11-20 12:03:35,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.33333333333334) internal successors, (1142), 6 states have internal predecessors, (1142), 0 states have call successors, (0), 0 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 12:03:35,104 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:35,105 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] [2022-11-20 12:03:35,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 12:03:35,105 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:35,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:35,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1124541950, now seen corresponding path program 1 times [2022-11-20 12:03:35,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:35,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466844043] [2022-11-20 12:03:35,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:35,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:35,241 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 12:03:35,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:35,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466844043] [2022-11-20 12:03:35,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466844043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:35,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:35,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:35,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945674657] [2022-11-20 12:03:35,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:35,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:35,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:35,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:35,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:35,246 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 275 [2022-11-20 12:03:35,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 179 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 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 12:03:35,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:35,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 275 [2022-11-20 12:03:35,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:35,356 INFO L130 PetriNetUnfolder]: 16/229 cut-off events. [2022-11-20 12:03:35,356 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:35,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 229 events. 16/229 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 222 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 253. Up to 37 conditions per place. [2022-11-20 12:03:35,358 INFO L137 encePairwiseOnDemand]: 273/275 looper letters, 10 selfloop transitions, 1 changer transitions 0/178 dead transitions. [2022-11-20 12:03:35,358 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 178 transitions, 394 flow [2022-11-20 12:03:35,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:35,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2022-11-20 12:03:35,361 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7672727272727272 [2022-11-20 12:03:35,361 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 633 transitions. [2022-11-20 12:03:35,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 633 transitions. [2022-11-20 12:03:35,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:35,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 633 transitions. [2022-11-20 12:03:35,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 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 12:03:35,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:35,368 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:35,369 INFO L175 Difference]: Start difference. First operand has 189 places, 179 transitions, 374 flow. Second operand 3 states and 633 transitions. [2022-11-20 12:03:35,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 178 transitions, 394 flow [2022-11-20 12:03:35,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 178 transitions, 387 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:03:35,374 INFO L231 Difference]: Finished difference. Result has 186 places, 178 transitions, 367 flow [2022-11-20 12:03:35,374 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=367, PETRI_PLACES=186, PETRI_TRANSITIONS=178} [2022-11-20 12:03:35,375 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -71 predicate places. [2022-11-20 12:03:35,375 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 178 transitions, 367 flow [2022-11-20 12:03:35,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 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 12:03:35,376 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:35,376 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:03:35,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 12:03:35,377 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:35,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:35,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1458804463, now seen corresponding path program 1 times [2022-11-20 12:03:35,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:35,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194498800] [2022-11-20 12:03:35,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:35,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:35,522 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 12:03:35,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:35,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194498800] [2022-11-20 12:03:35,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194498800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:35,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:35,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:35,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991299886] [2022-11-20 12:03:35,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:35,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:35,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:35,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:35,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:35,527 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 275 [2022-11-20 12:03:35,528 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 178 transitions, 367 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 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 12:03:35,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:35,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 275 [2022-11-20 12:03:35,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:35,664 INFO L130 PetriNetUnfolder]: 15/232 cut-off events. [2022-11-20 12:03:35,665 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:35,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 232 events. 15/232 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 221 event pairs, 15 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 262. Up to 37 conditions per place. [2022-11-20 12:03:35,666 INFO L137 encePairwiseOnDemand]: 273/275 looper letters, 10 selfloop transitions, 1 changer transitions 0/177 dead transitions. [2022-11-20 12:03:35,667 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 177 transitions, 387 flow [2022-11-20 12:03:35,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:35,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2022-11-20 12:03:35,670 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7672727272727272 [2022-11-20 12:03:35,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 633 transitions. [2022-11-20 12:03:35,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 633 transitions. [2022-11-20 12:03:35,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:35,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 633 transitions. [2022-11-20 12:03:35,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 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 12:03:35,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:35,676 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:35,676 INFO L175 Difference]: Start difference. First operand has 186 places, 178 transitions, 367 flow. Second operand 3 states and 633 transitions. [2022-11-20 12:03:35,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 177 transitions, 387 flow [2022-11-20 12:03:35,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 177 transitions, 386 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:03:35,680 INFO L231 Difference]: Finished difference. Result has 186 places, 177 transitions, 366 flow [2022-11-20 12:03:35,681 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=366, PETRI_PLACES=186, PETRI_TRANSITIONS=177} [2022-11-20 12:03:35,682 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -71 predicate places. [2022-11-20 12:03:35,682 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 177 transitions, 366 flow [2022-11-20 12:03:35,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 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 12:03:35,683 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:03:35,683 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] [2022-11-20 12:03:35,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 12:03:35,683 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:03:35,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:35,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1749319233, now seen corresponding path program 1 times [2022-11-20 12:03:35,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:35,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623843069] [2022-11-20 12:03:35,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:35,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:35,826 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 12:03:35,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:35,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623843069] [2022-11-20 12:03:35,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623843069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:35,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:35,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:03:35,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576810923] [2022-11-20 12:03:35,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:35,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:35,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:35,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:35,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:35,830 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 275 [2022-11-20 12:03:35,831 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 177 transitions, 366 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 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 12:03:35,831 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:03:35,832 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 275 [2022-11-20 12:03:35,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:03:35,928 INFO L130 PetriNetUnfolder]: 15/230 cut-off events. [2022-11-20 12:03:35,928 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-20 12:03:35,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 230 events. 15/230 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 219 event pairs, 15 based on Foata normal form. 2/223 useless extension candidates. Maximal degree in co-relation 272. Up to 37 conditions per place. [2022-11-20 12:03:35,929 INFO L137 encePairwiseOnDemand]: 273/275 looper letters, 0 selfloop transitions, 0 changer transitions 176/176 dead transitions. [2022-11-20 12:03:35,929 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 176 transitions, 384 flow [2022-11-20 12:03:35,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:35,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:03:35,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2022-11-20 12:03:35,932 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7660606060606061 [2022-11-20 12:03:35,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 632 transitions. [2022-11-20 12:03:35,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 632 transitions. [2022-11-20 12:03:35,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:03:35,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 632 transitions. [2022-11-20 12:03:35,936 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 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 12:03:35,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:35,938 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 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 12:03:35,939 INFO L175 Difference]: Start difference. First operand has 186 places, 177 transitions, 366 flow. Second operand 3 states and 632 transitions. [2022-11-20 12:03:35,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 176 transitions, 384 flow [2022-11-20 12:03:35,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 176 transitions, 383 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:03:35,942 INFO L231 Difference]: Finished difference. Result has 186 places, 0 transitions, 0 flow [2022-11-20 12:03:35,943 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=186, PETRI_TRANSITIONS=0} [2022-11-20 12:03:35,944 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -71 predicate places. [2022-11-20 12:03:35,944 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 0 transitions, 0 flow [2022-11-20 12:03:35,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 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 12:03:35,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (128 of 129 remaining) [2022-11-20 12:03:35,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (127 of 129 remaining) [2022-11-20 12:03:35,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (126 of 129 remaining) [2022-11-20 12:03:35,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (125 of 129 remaining) [2022-11-20 12:03:35,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (124 of 129 remaining) [2022-11-20 12:03:35,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (123 of 129 remaining) [2022-11-20 12:03:35,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (122 of 129 remaining) [2022-11-20 12:03:35,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (121 of 129 remaining) [2022-11-20 12:03:35,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (120 of 129 remaining) [2022-11-20 12:03:35,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (119 of 129 remaining) [2022-11-20 12:03:35,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (118 of 129 remaining) [2022-11-20 12:03:35,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (117 of 129 remaining) [2022-11-20 12:03:35,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (116 of 129 remaining) [2022-11-20 12:03:35,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (115 of 129 remaining) [2022-11-20 12:03:35,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (114 of 129 remaining) [2022-11-20 12:03:35,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (113 of 129 remaining) [2022-11-20 12:03:35,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (112 of 129 remaining) [2022-11-20 12:03:35,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (111 of 129 remaining) [2022-11-20 12:03:35,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (110 of 129 remaining) [2022-11-20 12:03:35,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (109 of 129 remaining) [2022-11-20 12:03:35,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (108 of 129 remaining) [2022-11-20 12:03:35,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (107 of 129 remaining) [2022-11-20 12:03:35,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (106 of 129 remaining) [2022-11-20 12:03:35,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (105 of 129 remaining) [2022-11-20 12:03:35,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (104 of 129 remaining) [2022-11-20 12:03:35,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (103 of 129 remaining) [2022-11-20 12:03:35,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (102 of 129 remaining) [2022-11-20 12:03:35,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (101 of 129 remaining) [2022-11-20 12:03:35,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (100 of 129 remaining) [2022-11-20 12:03:35,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (99 of 129 remaining) [2022-11-20 12:03:35,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (98 of 129 remaining) [2022-11-20 12:03:35,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (97 of 129 remaining) [2022-11-20 12:03:35,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (96 of 129 remaining) [2022-11-20 12:03:35,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (95 of 129 remaining) [2022-11-20 12:03:35,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (94 of 129 remaining) [2022-11-20 12:03:35,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (93 of 129 remaining) [2022-11-20 12:03:35,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (92 of 129 remaining) [2022-11-20 12:03:35,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (91 of 129 remaining) [2022-11-20 12:03:35,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (90 of 129 remaining) [2022-11-20 12:03:35,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (89 of 129 remaining) [2022-11-20 12:03:35,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (88 of 129 remaining) [2022-11-20 12:03:35,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (87 of 129 remaining) [2022-11-20 12:03:35,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (86 of 129 remaining) [2022-11-20 12:03:35,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (85 of 129 remaining) [2022-11-20 12:03:35,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (84 of 129 remaining) [2022-11-20 12:03:35,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (83 of 129 remaining) [2022-11-20 12:03:35,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (82 of 129 remaining) [2022-11-20 12:03:35,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (81 of 129 remaining) [2022-11-20 12:03:35,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (80 of 129 remaining) [2022-11-20 12:03:35,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (79 of 129 remaining) [2022-11-20 12:03:35,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (78 of 129 remaining) [2022-11-20 12:03:35,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (77 of 129 remaining) [2022-11-20 12:03:35,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (76 of 129 remaining) [2022-11-20 12:03:35,961 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (75 of 129 remaining) [2022-11-20 12:03:35,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (74 of 129 remaining) [2022-11-20 12:03:35,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (73 of 129 remaining) [2022-11-20 12:03:35,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (72 of 129 remaining) [2022-11-20 12:03:35,962 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (71 of 129 remaining) [2022-11-20 12:03:35,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (70 of 129 remaining) [2022-11-20 12:03:35,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (69 of 129 remaining) [2022-11-20 12:03:35,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (68 of 129 remaining) [2022-11-20 12:03:35,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (67 of 129 remaining) [2022-11-20 12:03:35,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (66 of 129 remaining) [2022-11-20 12:03:35,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (65 of 129 remaining) [2022-11-20 12:03:35,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (64 of 129 remaining) [2022-11-20 12:03:35,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (63 of 129 remaining) [2022-11-20 12:03:35,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (62 of 129 remaining) [2022-11-20 12:03:35,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (61 of 129 remaining) [2022-11-20 12:03:35,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (60 of 129 remaining) [2022-11-20 12:03:35,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (59 of 129 remaining) [2022-11-20 12:03:35,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (58 of 129 remaining) [2022-11-20 12:03:35,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (57 of 129 remaining) [2022-11-20 12:03:35,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 129 remaining) [2022-11-20 12:03:35,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 129 remaining) [2022-11-20 12:03:35,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 129 remaining) [2022-11-20 12:03:35,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 129 remaining) [2022-11-20 12:03:35,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 129 remaining) [2022-11-20 12:03:35,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 129 remaining) [2022-11-20 12:03:35,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 129 remaining) [2022-11-20 12:03:35,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 129 remaining) [2022-11-20 12:03:35,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (48 of 129 remaining) [2022-11-20 12:03:35,968 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (47 of 129 remaining) [2022-11-20 12:03:35,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 129 remaining) [2022-11-20 12:03:35,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 129 remaining) [2022-11-20 12:03:35,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (44 of 129 remaining) [2022-11-20 12:03:35,969 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (43 of 129 remaining) [2022-11-20 12:03:35,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (42 of 129 remaining) [2022-11-20 12:03:35,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (41 of 129 remaining) [2022-11-20 12:03:35,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (40 of 129 remaining) [2022-11-20 12:03:35,970 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (39 of 129 remaining) [2022-11-20 12:03:35,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (38 of 129 remaining) [2022-11-20 12:03:35,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (37 of 129 remaining) [2022-11-20 12:03:35,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (36 of 129 remaining) [2022-11-20 12:03:35,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 129 remaining) [2022-11-20 12:03:35,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 129 remaining) [2022-11-20 12:03:35,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 129 remaining) [2022-11-20 12:03:35,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 129 remaining) [2022-11-20 12:03:35,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (31 of 129 remaining) [2022-11-20 12:03:35,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (30 of 129 remaining) [2022-11-20 12:03:35,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (29 of 129 remaining) [2022-11-20 12:03:35,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 129 remaining) [2022-11-20 12:03:35,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 129 remaining) [2022-11-20 12:03:35,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 129 remaining) [2022-11-20 12:03:35,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (25 of 129 remaining) [2022-11-20 12:03:35,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (24 of 129 remaining) [2022-11-20 12:03:35,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 129 remaining) [2022-11-20 12:03:35,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 129 remaining) [2022-11-20 12:03:35,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (21 of 129 remaining) [2022-11-20 12:03:35,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (20 of 129 remaining) [2022-11-20 12:03:35,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (19 of 129 remaining) [2022-11-20 12:03:35,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 129 remaining) [2022-11-20 12:03:35,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 129 remaining) [2022-11-20 12:03:35,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 129 remaining) [2022-11-20 12:03:35,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 129 remaining) [2022-11-20 12:03:35,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (14 of 129 remaining) [2022-11-20 12:03:35,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (13 of 129 remaining) [2022-11-20 12:03:35,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (12 of 129 remaining) [2022-11-20 12:03:35,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (11 of 129 remaining) [2022-11-20 12:03:35,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (10 of 129 remaining) [2022-11-20 12:03:35,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (9 of 129 remaining) [2022-11-20 12:03:35,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (8 of 129 remaining) [2022-11-20 12:03:35,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (7 of 129 remaining) [2022-11-20 12:03:35,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (6 of 129 remaining) [2022-11-20 12:03:35,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (5 of 129 remaining) [2022-11-20 12:03:35,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (4 of 129 remaining) [2022-11-20 12:03:35,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (3 of 129 remaining) [2022-11-20 12:03:35,979 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (2 of 129 remaining) [2022-11-20 12:03:35,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (1 of 129 remaining) [2022-11-20 12:03:35,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (0 of 129 remaining) [2022-11-20 12:03:35,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 12:03:35,981 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:03:35,988 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 12:03:35,989 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:03:35,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:03:35 BasicIcfg [2022-11-20 12:03:35,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:03:35,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:03:35,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:03:35,997 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:03:35,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:03:25" (3/4) ... [2022-11-20 12:03:36,001 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:03:36,007 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 12:03:36,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 12:03:36,008 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 12:03:36,016 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-20 12:03:36,016 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 12:03:36,017 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:03:36,017 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:03:36,093 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:03:36,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:03:36,095 INFO L158 Benchmark]: Toolchain (without parser) took 13869.53ms. Allocated memory was 153.1MB in the beginning and 406.8MB in the end (delta: 253.8MB). Free memory was 111.1MB in the beginning and 237.6MB in the end (delta: -126.4MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. [2022-11-20 12:03:36,095 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:03:36,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.01ms. Allocated memory is still 153.1MB. Free memory was 111.1MB in the beginning and 98.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:03:36,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.66ms. Allocated memory is still 153.1MB. Free memory was 98.5MB in the beginning and 94.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:03:36,096 INFO L158 Benchmark]: Boogie Preprocessor took 104.50ms. Allocated memory is still 153.1MB. Free memory was 94.9MB in the beginning and 92.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:03:36,097 INFO L158 Benchmark]: RCFGBuilder took 2991.07ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 92.2MB in the beginning and 90.0MB in the end (delta: 2.3MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2022-11-20 12:03:36,097 INFO L158 Benchmark]: TraceAbstraction took 10129.38ms. Allocated memory was 195.0MB in the beginning and 406.8MB in the end (delta: 211.8MB). Free memory was 88.9MB in the beginning and 241.8MB in the end (delta: -152.8MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2022-11-20 12:03:36,098 INFO L158 Benchmark]: Witness Printer took 97.41ms. Allocated memory is still 406.8MB. Free memory was 241.8MB in the beginning and 237.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:03:36,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.01ms. Allocated memory is still 153.1MB. Free memory was 111.1MB in the beginning and 98.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.66ms. Allocated memory is still 153.1MB. Free memory was 98.5MB in the beginning and 94.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.50ms. Allocated memory is still 153.1MB. Free memory was 94.9MB in the beginning and 92.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2991.07ms. Allocated memory was 153.1MB in the beginning and 195.0MB in the end (delta: 41.9MB). Free memory was 92.2MB in the beginning and 90.0MB in the end (delta: 2.3MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10129.38ms. Allocated memory was 195.0MB in the beginning and 406.8MB in the end (delta: 211.8MB). Free memory was 88.9MB in the beginning and 241.8MB in the end (delta: -152.8MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Witness Printer took 97.41ms. Allocated memory is still 406.8MB. Free memory was 241.8MB in the beginning and 237.6MB 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: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 58]: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: 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: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: 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, 342 locations, 129 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: 9.7s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 557 IncrementalHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 81 mSDtfsCounter, 557 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=514occurred in iteration=0, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1840 NumberOfCodeBlocks, 1840 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1822 ConstructedInterpolants, 0 QuantifiedInterpolants, 2095 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 72 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 12:03:36,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bc0d83c-baea-4587-a9b6-40845ff67bbe/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