./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-node-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-node-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 514e162b13bdcbe99106b4f79e5a61b8afdae9b478788e06b35106cd952df62f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:53:41,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:53:41,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:53:41,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:53:41,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:53:41,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:53:41,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:53:41,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:53:41,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:53:41,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:53:41,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:53:41,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:53:41,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:53:41,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:53:41,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:53:41,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:53:41,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:53:41,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:53:41,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:53:41,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:53:41,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:53:41,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:53:41,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:53:41,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:53:41,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:53:41,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:53:41,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:53:41,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:53:41,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:53:41,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:53:41,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:53:41,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:53:41,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:53:41,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:53:41,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:53:41,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:53:41,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:53:41,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:53:41,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:53:41,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:53:41,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:53:41,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 11:53:41,826 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:53:41,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:53:41,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:53:41,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:53:41,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:53:41,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:53:41,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:53:41,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:53:41,828 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:53:41,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:53:41,828 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:53:41,828 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:53:41,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:53:41,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:53:41,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:53:41,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:53:41,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:53:41,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:53:41,829 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 11:53:41,829 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:53:41,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:53:41,829 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:53:41,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:53:41,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:53:41,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:53:41,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:53:41,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:53:41,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:53:41,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:53:41,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:53:41,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:53:41,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:53:41,830 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:53:41,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:53:41,830 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:53:41,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:53:41,831 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:53:41,831 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 514e162b13bdcbe99106b4f79e5a61b8afdae9b478788e06b35106cd952df62f [2022-12-13 11:53:41,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:53:42,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:53:42,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:53:42,003 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:53:42,004 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:53:42,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/chl-node-symm.wvr.c [2022-12-13 11:53:44,627 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:53:44,793 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:53:44,793 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/sv-benchmarks/c/weaver/chl-node-symm.wvr.c [2022-12-13 11:53:44,800 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/data/08a6de316/6ec971f504a74141911757dfa3552eaf/FLAG392eb0eaa [2022-12-13 11:53:44,811 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/data/08a6de316/6ec971f504a74141911757dfa3552eaf [2022-12-13 11:53:44,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:53:44,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:53:44,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:53:44,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:53:44,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:53:44,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:53:44" (1/1) ... [2022-12-13 11:53:44,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@739cdfff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:44, skipping insertion in model container [2022-12-13 11:53:44,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:53:44" (1/1) ... [2022-12-13 11:53:44,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:53:44,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:53:44,999 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_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/sv-benchmarks/c/weaver/chl-node-symm.wvr.c[3305,3318] [2022-12-13 11:53:45,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:53:45,020 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:53:45,047 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_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/sv-benchmarks/c/weaver/chl-node-symm.wvr.c[3305,3318] [2022-12-13 11:53:45,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:53:45,069 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:53:45,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45 WrapperNode [2022-12-13 11:53:45,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:53:45,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:53:45,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:53:45,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:53:45,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (1/1) ... [2022-12-13 11:53:45,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (1/1) ... [2022-12-13 11:53:45,128 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 542 [2022-12-13 11:53:45,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:53:45,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:53:45,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:53:45,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:53:45,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (1/1) ... [2022-12-13 11:53:45,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (1/1) ... [2022-12-13 11:53:45,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (1/1) ... [2022-12-13 11:53:45,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (1/1) ... [2022-12-13 11:53:45,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (1/1) ... [2022-12-13 11:53:45,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (1/1) ... [2022-12-13 11:53:45,187 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (1/1) ... [2022-12-13 11:53:45,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (1/1) ... [2022-12-13 11:53:45,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:53:45,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:53:45,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:53:45,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:53:45,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (1/1) ... [2022-12-13 11:53:45,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:53:45,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:53:45,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:53:45,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:53:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:53:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:53:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:53:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:53:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 11:53:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 11:53:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 11:53:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 11:53:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:53:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:53:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:53:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:53:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:53:45,262 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 11:53:45,369 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:53:45,371 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:53:45,948 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:53:45,958 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:53:45,958 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 11:53:45,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:53:45 BoogieIcfgContainer [2022-12-13 11:53:45,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:53:45,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:53:45,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:53:45,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:53:45,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:53:44" (1/3) ... [2022-12-13 11:53:45,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc9f5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:53:45, skipping insertion in model container [2022-12-13 11:53:45,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:53:45" (2/3) ... [2022-12-13 11:53:45,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc9f5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:53:45, skipping insertion in model container [2022-12-13 11:53:45,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:53:45" (3/3) ... [2022-12-13 11:53:45,967 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-symm.wvr.c [2022-12-13 11:53:45,973 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 11:53:45,980 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:53:45,980 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2022-12-13 11:53:45,980 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 11:53:46,065 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 11:53:46,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 692 places, 718 transitions, 1452 flow [2022-12-13 11:53:46,271 INFO L130 PetriNetUnfolder]: 33/716 cut-off events. [2022-12-13 11:53:46,271 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 11:53:46,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 725 conditions, 716 events. 33/716 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1160 event pairs, 0 based on Foata normal form. 0/603 useless extension candidates. Maximal degree in co-relation 506. Up to 2 conditions per place. [2022-12-13 11:53:46,279 INFO L82 GeneralOperation]: Start removeDead. Operand has 692 places, 718 transitions, 1452 flow [2022-12-13 11:53:46,288 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 669 places, 693 transitions, 1398 flow [2022-12-13 11:53:46,291 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:53:46,298 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 669 places, 693 transitions, 1398 flow [2022-12-13 11:53:46,300 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 669 places, 693 transitions, 1398 flow [2022-12-13 11:53:46,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 669 places, 693 transitions, 1398 flow [2022-12-13 11:53:46,420 INFO L130 PetriNetUnfolder]: 31/693 cut-off events. [2022-12-13 11:53:46,421 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 11:53:46,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 702 conditions, 693 events. 31/693 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1146 event pairs, 0 based on Foata normal form. 0/583 useless extension candidates. Maximal degree in co-relation 506. Up to 2 conditions per place. [2022-12-13 11:53:46,442 INFO L119 LiptonReduction]: Number of co-enabled transitions 56240 [2022-12-13 11:53:59,311 INFO L134 LiptonReduction]: Checked pairs total: 408647 [2022-12-13 11:53:59,312 INFO L136 LiptonReduction]: Total number of compositions: 720 [2022-12-13 11:53:59,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:53:59,327 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;@bbcb0c7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:53:59,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2022-12-13 11:53:59,328 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 11:53:59,328 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:53:59,328 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:53:59,328 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 11:53:59,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:53:59,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:53:59,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2567, now seen corresponding path program 1 times [2022-12-13 11:53:59,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:53:59,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067067746] [2022-12-13 11:53:59,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:53:59,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:53:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:53:59,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:53:59,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:53:59,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067067746] [2022-12-13 11:53:59,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067067746] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:53:59,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:53:59,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 11:53:59,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585514465] [2022-12-13 11:53:59,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:53:59,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:53:59,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:53:59,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:53:59,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:53:59,433 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 693 out of 1438 [2022-12-13 11:53:59,437 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 213 transitions, 438 flow. Second operand has 2 states, 2 states have (on average 693.5) internal successors, (1387), 2 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:53:59,437 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:53:59,437 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 693 of 1438 [2022-12-13 11:53:59,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:53:59,866 INFO L130 PetriNetUnfolder]: 645/2971 cut-off events. [2022-12-13 11:53:59,867 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-12-13 11:53:59,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4073 conditions, 2971 events. 645/2971 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 25412 event pairs, 525 based on Foata normal form. 135/2513 useless extension candidates. Maximal degree in co-relation 3816. Up to 1058 conditions per place. [2022-12-13 11:53:59,889 INFO L137 encePairwiseOnDemand]: 1396/1438 looper letters, 44 selfloop transitions, 0 changer transitions 1/171 dead transitions. [2022-12-13 11:53:59,889 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 171 transitions, 444 flow [2022-12-13 11:53:59,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:53:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 11:53:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1473 transitions. [2022-12-13 11:53:59,907 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5121696801112656 [2022-12-13 11:53:59,908 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1473 transitions. [2022-12-13 11:53:59,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1473 transitions. [2022-12-13 11:53:59,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:53:59,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1473 transitions. [2022-12-13 11:53:59,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 736.5) internal successors, (1473), 2 states have internal predecessors, (1473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:53:59,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1438.0) internal successors, (4314), 3 states have internal predecessors, (4314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:53:59,934 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1438.0) internal successors, (4314), 3 states have internal predecessors, (4314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:53:59,936 INFO L175 Difference]: Start difference. First operand has 211 places, 213 transitions, 438 flow. Second operand 2 states and 1473 transitions. [2022-12-13 11:53:59,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 171 transitions, 444 flow [2022-12-13 11:53:59,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 171 transitions, 436 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 11:53:59,944 INFO L231 Difference]: Finished difference. Result has 167 places, 170 transitions, 343 flow [2022-12-13 11:53:59,946 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=343, PETRI_PLACES=167, PETRI_TRANSITIONS=170} [2022-12-13 11:53:59,950 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -44 predicate places. [2022-12-13 11:53:59,950 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 170 transitions, 343 flow [2022-12-13 11:53:59,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 693.5) internal successors, (1387), 2 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:53:59,951 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:53:59,951 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:53:59,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:53:59,952 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:53:59,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:53:59,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1324822171, now seen corresponding path program 1 times [2022-12-13 11:53:59,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:53:59,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463197049] [2022-12-13 11:53:59,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:53:59,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:54:00,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:00,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463197049] [2022-12-13 11:54:00,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463197049] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:00,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:00,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:54:00,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175739551] [2022-12-13 11:54:00,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:00,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:00,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:00,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:00,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:00,112 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 680 out of 1438 [2022-12-13 11:54:00,115 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 170 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 682.6666666666666) internal successors, (2048), 3 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:00,116 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:00,116 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 680 of 1438 [2022-12-13 11:54:00,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:00,517 INFO L130 PetriNetUnfolder]: 939/3733 cut-off events. [2022-12-13 11:54:00,517 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 11:54:00,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5293 conditions, 3733 events. 939/3733 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 31624 event pairs, 418 based on Foata normal form. 0/3109 useless extension candidates. Maximal degree in co-relation 5290. Up to 1523 conditions per place. [2022-12-13 11:54:00,535 INFO L137 encePairwiseOnDemand]: 1432/1438 looper letters, 55 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2022-12-13 11:54:00,536 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 173 transitions, 464 flow [2022-12-13 11:54:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:00,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:00,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2101 transitions. [2022-12-13 11:54:00,544 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48701900788131663 [2022-12-13 11:54:00,544 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2101 transitions. [2022-12-13 11:54:00,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2101 transitions. [2022-12-13 11:54:00,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:00,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2101 transitions. [2022-12-13 11:54:00,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 700.3333333333334) internal successors, (2101), 3 states have internal predecessors, (2101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:00,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:00,556 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:00,556 INFO L175 Difference]: Start difference. First operand has 167 places, 170 transitions, 343 flow. Second operand 3 states and 2101 transitions. [2022-12-13 11:54:00,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 173 transitions, 464 flow [2022-12-13 11:54:00,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 173 transitions, 464 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:54:00,573 INFO L231 Difference]: Finished difference. Result has 165 places, 168 transitions, 349 flow [2022-12-13 11:54:00,573 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=349, PETRI_PLACES=165, PETRI_TRANSITIONS=168} [2022-12-13 11:54:00,573 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -46 predicate places. [2022-12-13 11:54:00,574 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 168 transitions, 349 flow [2022-12-13 11:54:00,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 682.6666666666666) internal successors, (2048), 3 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:00,574 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:00,575 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:54:00,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:54:00,575 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:00,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:00,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1843838205, now seen corresponding path program 1 times [2022-12-13 11:54:00,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:00,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753652264] [2022-12-13 11:54:00,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:00,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:00,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:54:00,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:00,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753652264] [2022-12-13 11:54:00,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753652264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:00,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:00,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:54:00,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275395988] [2022-12-13 11:54:00,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:00,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:00,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:00,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:00,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:00,657 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 662 out of 1438 [2022-12-13 11:54:00,660 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 168 transitions, 349 flow. Second operand has 3 states, 3 states have (on average 664.6666666666666) internal successors, (1994), 3 states have internal predecessors, (1994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:00,660 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:00,661 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 662 of 1438 [2022-12-13 11:54:00,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:01,055 INFO L130 PetriNetUnfolder]: 1200/4282 cut-off events. [2022-12-13 11:54:01,055 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2022-12-13 11:54:01,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6339 conditions, 4282 events. 1200/4282 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 35919 event pairs, 1034 based on Foata normal form. 0/3683 useless extension candidates. Maximal degree in co-relation 6335. Up to 1991 conditions per place. [2022-12-13 11:54:01,073 INFO L137 encePairwiseOnDemand]: 1431/1438 looper letters, 54 selfloop transitions, 1 changer transitions 0/162 dead transitions. [2022-12-13 11:54:01,073 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 162 transitions, 447 flow [2022-12-13 11:54:01,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2046 transitions. [2022-12-13 11:54:01,077 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47426981919332406 [2022-12-13 11:54:01,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2046 transitions. [2022-12-13 11:54:01,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2046 transitions. [2022-12-13 11:54:01,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:01,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2046 transitions. [2022-12-13 11:54:01,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 682.0) internal successors, (2046), 3 states have internal predecessors, (2046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:01,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:01,087 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:01,087 INFO L175 Difference]: Start difference. First operand has 165 places, 168 transitions, 349 flow. Second operand 3 states and 2046 transitions. [2022-12-13 11:54:01,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 162 transitions, 447 flow [2022-12-13 11:54:01,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 162 transitions, 447 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:54:01,089 INFO L231 Difference]: Finished difference. Result has 161 places, 162 transitions, 339 flow [2022-12-13 11:54:01,089 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=161, PETRI_TRANSITIONS=162} [2022-12-13 11:54:01,090 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -50 predicate places. [2022-12-13 11:54:01,090 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 162 transitions, 339 flow [2022-12-13 11:54:01,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 664.6666666666666) internal successors, (1994), 3 states have internal predecessors, (1994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:01,091 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:01,091 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:54:01,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:54:01,091 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:01,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:01,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1868294657, now seen corresponding path program 1 times [2022-12-13 11:54:01,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:01,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699787509] [2022-12-13 11:54:01,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:01,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:01,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:54:01,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:01,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699787509] [2022-12-13 11:54:01,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699787509] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:01,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:01,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:54:01,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025709249] [2022-12-13 11:54:01,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:01,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:01,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:01,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:01,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:01,152 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 680 out of 1438 [2022-12-13 11:54:01,155 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 162 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 683.3333333333334) internal successors, (2050), 3 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:01,156 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:01,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 680 of 1438 [2022-12-13 11:54:01,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:01,496 INFO L130 PetriNetUnfolder]: 959/3649 cut-off events. [2022-12-13 11:54:01,496 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-12-13 11:54:01,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5296 conditions, 3649 events. 959/3649 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 30532 event pairs, 479 based on Foata normal form. 0/3144 useless extension candidates. Maximal degree in co-relation 5291. Up to 1568 conditions per place. [2022-12-13 11:54:01,510 INFO L137 encePairwiseOnDemand]: 1432/1438 looper letters, 55 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2022-12-13 11:54:01,510 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 164 transitions, 458 flow [2022-12-13 11:54:01,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:01,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2100 transitions. [2022-12-13 11:54:01,518 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48678720445062584 [2022-12-13 11:54:01,518 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2100 transitions. [2022-12-13 11:54:01,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2100 transitions. [2022-12-13 11:54:01,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:01,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2100 transitions. [2022-12-13 11:54:01,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 700.0) internal successors, (2100), 3 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:01,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:01,528 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:01,528 INFO L175 Difference]: Start difference. First operand has 161 places, 162 transitions, 339 flow. Second operand 3 states and 2100 transitions. [2022-12-13 11:54:01,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 164 transitions, 458 flow [2022-12-13 11:54:01,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 164 transitions, 457 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 11:54:01,530 INFO L231 Difference]: Finished difference. Result has 159 places, 160 transitions, 344 flow [2022-12-13 11:54:01,530 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=159, PETRI_TRANSITIONS=160} [2022-12-13 11:54:01,531 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -52 predicate places. [2022-12-13 11:54:01,531 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 160 transitions, 344 flow [2022-12-13 11:54:01,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 683.3333333333334) internal successors, (2050), 3 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:01,532 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:01,532 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:54:01,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:54:01,532 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:01,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:01,533 INFO L85 PathProgramCache]: Analyzing trace with hash 134892003, now seen corresponding path program 1 times [2022-12-13 11:54:01,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:01,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501251529] [2022-12-13 11:54:01,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:01,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:54:01,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:01,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501251529] [2022-12-13 11:54:01,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501251529] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:01,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:01,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:54:01,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520951787] [2022-12-13 11:54:01,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:01,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:01,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:01,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:01,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:01,596 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 662 out of 1438 [2022-12-13 11:54:01,598 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 160 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:01,598 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:01,599 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 662 of 1438 [2022-12-13 11:54:01,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:01,987 INFO L130 PetriNetUnfolder]: 1275/4267 cut-off events. [2022-12-13 11:54:01,988 INFO L131 PetriNetUnfolder]: For 79/79 co-relation queries the response was YES. [2022-12-13 11:54:01,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6521 conditions, 4267 events. 1275/4267 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 35542 event pairs, 1099 based on Foata normal form. 0/3821 useless extension candidates. Maximal degree in co-relation 6516. Up to 2130 conditions per place. [2022-12-13 11:54:02,004 INFO L137 encePairwiseOnDemand]: 1431/1438 looper letters, 56 selfloop transitions, 1 changer transitions 0/154 dead transitions. [2022-12-13 11:54:02,005 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 154 transitions, 446 flow [2022-12-13 11:54:02,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2047 transitions. [2022-12-13 11:54:02,012 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47450162262401485 [2022-12-13 11:54:02,012 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2047 transitions. [2022-12-13 11:54:02,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2047 transitions. [2022-12-13 11:54:02,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:02,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2047 transitions. [2022-12-13 11:54:02,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 682.3333333333334) internal successors, (2047), 3 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:02,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:02,023 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:02,023 INFO L175 Difference]: Start difference. First operand has 159 places, 160 transitions, 344 flow. Second operand 3 states and 2047 transitions. [2022-12-13 11:54:02,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 154 transitions, 446 flow [2022-12-13 11:54:02,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 154 transitions, 446 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:54:02,026 INFO L231 Difference]: Finished difference. Result has 155 places, 154 transitions, 334 flow [2022-12-13 11:54:02,026 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=155, PETRI_TRANSITIONS=154} [2022-12-13 11:54:02,027 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -56 predicate places. [2022-12-13 11:54:02,027 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 154 transitions, 334 flow [2022-12-13 11:54:02,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 665.3333333333334) internal successors, (1996), 3 states have internal predecessors, (1996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:02,028 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:02,028 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:54:02,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:54:02,028 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:02,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:02,028 INFO L85 PathProgramCache]: Analyzing trace with hash 366531909, now seen corresponding path program 1 times [2022-12-13 11:54:02,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:02,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401383305] [2022-12-13 11:54:02,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:02,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:54:02,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:02,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401383305] [2022-12-13 11:54:02,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401383305] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:02,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:02,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:54:02,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886675729] [2022-12-13 11:54:02,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:02,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:02,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:02,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:02,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:02,222 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 683 out of 1438 [2022-12-13 11:54:02,224 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 154 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 686.0) internal successors, (2058), 3 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:02,224 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:02,224 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 683 of 1438 [2022-12-13 11:54:02,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:02,511 INFO L130 PetriNetUnfolder]: 679/2943 cut-off events. [2022-12-13 11:54:02,511 INFO L131 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2022-12-13 11:54:02,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4174 conditions, 2943 events. 679/2943 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24439 event pairs, 547 based on Foata normal form. 0/2572 useless extension candidates. Maximal degree in co-relation 4168. Up to 1133 conditions per place. [2022-12-13 11:54:02,521 INFO L137 encePairwiseOnDemand]: 1435/1438 looper letters, 45 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2022-12-13 11:54:02,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 155 transitions, 430 flow [2022-12-13 11:54:02,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:02,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2095 transitions. [2022-12-13 11:54:02,524 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.485628187297172 [2022-12-13 11:54:02,524 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2095 transitions. [2022-12-13 11:54:02,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2095 transitions. [2022-12-13 11:54:02,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:02,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2095 transitions. [2022-12-13 11:54:02,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 698.3333333333334) internal successors, (2095), 3 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:02,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:02,532 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:02,532 INFO L175 Difference]: Start difference. First operand has 155 places, 154 transitions, 334 flow. Second operand 3 states and 2095 transitions. [2022-12-13 11:54:02,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 155 transitions, 430 flow [2022-12-13 11:54:02,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 155 transitions, 429 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 11:54:02,534 INFO L231 Difference]: Finished difference. Result has 157 places, 155 transitions, 345 flow [2022-12-13 11:54:02,534 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=345, PETRI_PLACES=157, PETRI_TRANSITIONS=155} [2022-12-13 11:54:02,535 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -54 predicate places. [2022-12-13 11:54:02,535 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 155 transitions, 345 flow [2022-12-13 11:54:02,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 686.0) internal successors, (2058), 3 states have internal predecessors, (2058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:02,535 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:02,535 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:54:02,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:54:02,536 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:02,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:02,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1358456585, now seen corresponding path program 1 times [2022-12-13 11:54:02,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:02,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982318872] [2022-12-13 11:54:02,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:02,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:02,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:54:02,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:02,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982318872] [2022-12-13 11:54:02,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982318872] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:02,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:02,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:54:02,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605340021] [2022-12-13 11:54:02,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:02,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:54:02,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:02,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:54:02,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:54:03,378 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 1438 [2022-12-13 11:54:03,380 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 155 transitions, 345 flow. Second operand has 6 states, 6 states have (on average 676.3333333333334) internal successors, (4058), 6 states have internal predecessors, (4058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:03,380 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:03,380 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 1438 [2022-12-13 11:54:03,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:04,039 INFO L130 PetriNetUnfolder]: 2299/5358 cut-off events. [2022-12-13 11:54:04,039 INFO L131 PetriNetUnfolder]: For 169/169 co-relation queries the response was YES. [2022-12-13 11:54:04,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9131 conditions, 5358 events. 2299/5358 cut-off events. For 169/169 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 43036 event pairs, 320 based on Foata normal form. 0/4631 useless extension candidates. Maximal degree in co-relation 9124. Up to 1274 conditions per place. [2022-12-13 11:54:04,056 INFO L137 encePairwiseOnDemand]: 1433/1438 looper letters, 171 selfloop transitions, 4 changer transitions 0/278 dead transitions. [2022-12-13 11:54:04,056 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 278 transitions, 981 flow [2022-12-13 11:54:04,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:54:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:54:04,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4209 transitions. [2022-12-13 11:54:04,061 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4878303198887344 [2022-12-13 11:54:04,061 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4209 transitions. [2022-12-13 11:54:04,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4209 transitions. [2022-12-13 11:54:04,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:04,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4209 transitions. [2022-12-13 11:54:04,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 701.5) internal successors, (4209), 6 states have internal predecessors, (4209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:04,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1438.0) internal successors, (10066), 7 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:04,073 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1438.0) internal successors, (10066), 7 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:04,073 INFO L175 Difference]: Start difference. First operand has 157 places, 155 transitions, 345 flow. Second operand 6 states and 4209 transitions. [2022-12-13 11:54:04,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 278 transitions, 981 flow [2022-12-13 11:54:04,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 278 transitions, 977 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 11:54:04,076 INFO L231 Difference]: Finished difference. Result has 160 places, 154 transitions, 347 flow [2022-12-13 11:54:04,077 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=347, PETRI_PLACES=160, PETRI_TRANSITIONS=154} [2022-12-13 11:54:04,077 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -51 predicate places. [2022-12-13 11:54:04,077 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 154 transitions, 347 flow [2022-12-13 11:54:04,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 676.3333333333334) internal successors, (4058), 6 states have internal predecessors, (4058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:04,078 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:04,078 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:54:04,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 11:54:04,078 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:04,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:04,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1744689871, now seen corresponding path program 1 times [2022-12-13 11:54:04,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:04,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113869594] [2022-12-13 11:54:04,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:04,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:04,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:54:04,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:04,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113869594] [2022-12-13 11:54:04,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113869594] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:04,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:04,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:54:04,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242806405] [2022-12-13 11:54:04,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:04,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:54:04,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:04,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:54:04,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:54:04,277 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 683 out of 1438 [2022-12-13 11:54:04,280 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 154 transitions, 347 flow. Second operand has 4 states, 4 states have (on average 684.75) internal successors, (2739), 4 states have internal predecessors, (2739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:04,280 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:04,280 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 683 of 1438 [2022-12-13 11:54:04,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:04,588 INFO L130 PetriNetUnfolder]: 679/2936 cut-off events. [2022-12-13 11:54:04,588 INFO L131 PetriNetUnfolder]: For 254/254 co-relation queries the response was YES. [2022-12-13 11:54:04,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4394 conditions, 2936 events. 679/2936 cut-off events. For 254/254 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24353 event pairs, 547 based on Foata normal form. 0/2572 useless extension candidates. Maximal degree in co-relation 4387. Up to 1133 conditions per place. [2022-12-13 11:54:04,600 INFO L137 encePairwiseOnDemand]: 1434/1438 looper letters, 45 selfloop transitions, 3 changer transitions 0/155 dead transitions. [2022-12-13 11:54:04,600 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 155 transitions, 445 flow [2022-12-13 11:54:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:54:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 11:54:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2778 transitions. [2022-12-13 11:54:04,604 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4829624478442281 [2022-12-13 11:54:04,604 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2778 transitions. [2022-12-13 11:54:04,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2778 transitions. [2022-12-13 11:54:04,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:04,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2778 transitions. [2022-12-13 11:54:04,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 694.5) internal successors, (2778), 4 states have internal predecessors, (2778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:04,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1438.0) internal successors, (7190), 5 states have internal predecessors, (7190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:04,614 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1438.0) internal successors, (7190), 5 states have internal predecessors, (7190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:04,614 INFO L175 Difference]: Start difference. First operand has 160 places, 154 transitions, 347 flow. Second operand 4 states and 2778 transitions. [2022-12-13 11:54:04,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 155 transitions, 445 flow [2022-12-13 11:54:04,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 155 transitions, 438 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 11:54:04,617 INFO L231 Difference]: Finished difference. Result has 160 places, 155 transitions, 354 flow [2022-12-13 11:54:04,617 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=354, PETRI_PLACES=160, PETRI_TRANSITIONS=155} [2022-12-13 11:54:04,618 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -51 predicate places. [2022-12-13 11:54:04,618 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 155 transitions, 354 flow [2022-12-13 11:54:04,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 684.75) internal successors, (2739), 4 states have internal predecessors, (2739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:04,618 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:04,619 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:54:04,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 11:54:04,619 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:04,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:04,619 INFO L85 PathProgramCache]: Analyzing trace with hash 484850973, now seen corresponding path program 1 times [2022-12-13 11:54:04,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:04,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241488258] [2022-12-13 11:54:04,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:04,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:04,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:54:04,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:04,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241488258] [2022-12-13 11:54:04,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241488258] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:54:04,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669080476] [2022-12-13 11:54:04,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:04,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:54:04,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:54:04,761 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:54:04,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 11:54:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:04,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 11:54:04,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:54:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 11:54:04,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:54:04,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669080476] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:04,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:54:04,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-12-13 11:54:04,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839701709] [2022-12-13 11:54:04,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:04,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:54:04,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:04,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:54:04,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 11:54:05,056 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 683 out of 1438 [2022-12-13 11:54:05,057 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 155 transitions, 354 flow. Second operand has 4 states, 4 states have (on average 685.0) internal successors, (2740), 4 states have internal predecessors, (2740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:05,057 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:05,058 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 683 of 1438 [2022-12-13 11:54:05,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:05,394 INFO L130 PetriNetUnfolder]: 679/2937 cut-off events. [2022-12-13 11:54:05,394 INFO L131 PetriNetUnfolder]: For 61/61 co-relation queries the response was YES. [2022-12-13 11:54:05,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4189 conditions, 2937 events. 679/2937 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24380 event pairs, 547 based on Foata normal form. 0/2575 useless extension candidates. Maximal degree in co-relation 4181. Up to 1134 conditions per place. [2022-12-13 11:54:05,404 INFO L137 encePairwiseOnDemand]: 1434/1438 looper letters, 46 selfloop transitions, 3 changer transitions 0/156 dead transitions. [2022-12-13 11:54:05,404 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 156 transitions, 454 flow [2022-12-13 11:54:05,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:54:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 11:54:05,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2778 transitions. [2022-12-13 11:54:05,407 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4829624478442281 [2022-12-13 11:54:05,407 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2778 transitions. [2022-12-13 11:54:05,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2778 transitions. [2022-12-13 11:54:05,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:05,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2778 transitions. [2022-12-13 11:54:05,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 694.5) internal successors, (2778), 4 states have internal predecessors, (2778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:05,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1438.0) internal successors, (7190), 5 states have internal predecessors, (7190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:05,415 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1438.0) internal successors, (7190), 5 states have internal predecessors, (7190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:05,415 INFO L175 Difference]: Start difference. First operand has 160 places, 155 transitions, 354 flow. Second operand 4 states and 2778 transitions. [2022-12-13 11:54:05,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 156 transitions, 454 flow [2022-12-13 11:54:05,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 156 transitions, 448 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 11:54:05,417 INFO L231 Difference]: Finished difference. Result has 162 places, 156 transitions, 362 flow [2022-12-13 11:54:05,417 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=362, PETRI_PLACES=162, PETRI_TRANSITIONS=156} [2022-12-13 11:54:05,418 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -49 predicate places. [2022-12-13 11:54:05,418 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 156 transitions, 362 flow [2022-12-13 11:54:05,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 685.0) internal successors, (2740), 4 states have internal predecessors, (2740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:05,418 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:05,418 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:54:05,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:54:05,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-13 11:54:05,619 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:05,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:05,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1145023374, now seen corresponding path program 1 times [2022-12-13 11:54:05,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:05,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205168142] [2022-12-13 11:54:05,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:05,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 11:54:05,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:05,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205168142] [2022-12-13 11:54:05,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205168142] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:05,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:05,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:54:05,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118281271] [2022-12-13 11:54:05,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:05,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:54:05,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:05,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:54:05,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:54:05,789 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 683 out of 1438 [2022-12-13 11:54:05,791 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 156 transitions, 362 flow. Second operand has 4 states, 4 states have (on average 685.25) internal successors, (2741), 4 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:05,791 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:05,791 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 683 of 1438 [2022-12-13 11:54:05,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:06,115 INFO L130 PetriNetUnfolder]: 679/2938 cut-off events. [2022-12-13 11:54:06,116 INFO L131 PetriNetUnfolder]: For 62/62 co-relation queries the response was YES. [2022-12-13 11:54:06,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4195 conditions, 2938 events. 679/2938 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 24361 event pairs, 547 based on Foata normal form. 0/2577 useless extension candidates. Maximal degree in co-relation 4186. Up to 1135 conditions per place. [2022-12-13 11:54:06,128 INFO L137 encePairwiseOnDemand]: 1434/1438 looper letters, 47 selfloop transitions, 3 changer transitions 0/157 dead transitions. [2022-12-13 11:54:06,128 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 157 transitions, 464 flow [2022-12-13 11:54:06,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:54:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 11:54:06,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 2778 transitions. [2022-12-13 11:54:06,135 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4829624478442281 [2022-12-13 11:54:06,135 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 2778 transitions. [2022-12-13 11:54:06,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 2778 transitions. [2022-12-13 11:54:06,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:06,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 2778 transitions. [2022-12-13 11:54:06,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 694.5) internal successors, (2778), 4 states have internal predecessors, (2778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:06,151 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1438.0) internal successors, (7190), 5 states have internal predecessors, (7190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:06,152 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1438.0) internal successors, (7190), 5 states have internal predecessors, (7190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:06,152 INFO L175 Difference]: Start difference. First operand has 162 places, 156 transitions, 362 flow. Second operand 4 states and 2778 transitions. [2022-12-13 11:54:06,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 157 transitions, 464 flow [2022-12-13 11:54:06,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 157 transitions, 458 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 11:54:06,156 INFO L231 Difference]: Finished difference. Result has 164 places, 157 transitions, 370 flow [2022-12-13 11:54:06,156 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=370, PETRI_PLACES=164, PETRI_TRANSITIONS=157} [2022-12-13 11:54:06,157 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -47 predicate places. [2022-12-13 11:54:06,157 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 157 transitions, 370 flow [2022-12-13 11:54:06,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 685.25) internal successors, (2741), 4 states have internal predecessors, (2741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:06,158 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:06,158 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] [2022-12-13 11:54:06,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 11:54:06,158 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:06,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1929556171, now seen corresponding path program 1 times [2022-12-13 11:54:06,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:06,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383297543] [2022-12-13 11:54:06,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:06,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:06,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:54:06,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:06,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383297543] [2022-12-13 11:54:06,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383297543] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:06,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:06,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:54:06,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074534924] [2022-12-13 11:54:06,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:06,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:54:06,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:06,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:54:06,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:54:06,960 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 655 out of 1438 [2022-12-13 11:54:06,962 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 157 transitions, 370 flow. Second operand has 6 states, 6 states have (on average 657.5) internal successors, (3945), 6 states have internal predecessors, (3945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:06,963 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:06,963 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 655 of 1438 [2022-12-13 11:54:06,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:07,440 INFO L130 PetriNetUnfolder]: 1607/4529 cut-off events. [2022-12-13 11:54:07,440 INFO L131 PetriNetUnfolder]: For 83/83 co-relation queries the response was YES. [2022-12-13 11:54:07,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7376 conditions, 4529 events. 1607/4529 cut-off events. For 83/83 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 35066 event pairs, 516 based on Foata normal form. 0/4099 useless extension candidates. Maximal degree in co-relation 7366. Up to 2530 conditions per place. [2022-12-13 11:54:07,455 INFO L137 encePairwiseOnDemand]: 1426/1438 looper letters, 102 selfloop transitions, 8 changer transitions 0/197 dead transitions. [2022-12-13 11:54:07,456 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 197 transitions, 682 flow [2022-12-13 11:54:07,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:54:07,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:54:07,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4038 transitions. [2022-12-13 11:54:07,460 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46801112656467314 [2022-12-13 11:54:07,460 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4038 transitions. [2022-12-13 11:54:07,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4038 transitions. [2022-12-13 11:54:07,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:07,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4038 transitions. [2022-12-13 11:54:07,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 673.0) internal successors, (4038), 6 states have internal predecessors, (4038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:07,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1438.0) internal successors, (10066), 7 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:07,484 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1438.0) internal successors, (10066), 7 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:07,484 INFO L175 Difference]: Start difference. First operand has 164 places, 157 transitions, 370 flow. Second operand 6 states and 4038 transitions. [2022-12-13 11:54:07,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 197 transitions, 682 flow [2022-12-13 11:54:07,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 197 transitions, 676 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-13 11:54:07,486 INFO L231 Difference]: Finished difference. Result has 167 places, 161 transitions, 418 flow [2022-12-13 11:54:07,487 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=167, PETRI_TRANSITIONS=161} [2022-12-13 11:54:07,487 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -44 predicate places. [2022-12-13 11:54:07,487 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 161 transitions, 418 flow [2022-12-13 11:54:07,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 657.5) internal successors, (3945), 6 states have internal predecessors, (3945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:07,487 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:07,488 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] [2022-12-13 11:54:07,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 11:54:07,488 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:07,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:07,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1661310358, now seen corresponding path program 1 times [2022-12-13 11:54:07,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:07,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160894354] [2022-12-13 11:54:07,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:07,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:54:07,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:07,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160894354] [2022-12-13 11:54:07,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160894354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:07,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:07,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:54:07,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376466082] [2022-12-13 11:54:07,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:07,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:54:07,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:07,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:54:07,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:54:08,135 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 655 out of 1438 [2022-12-13 11:54:08,137 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 161 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 657.8333333333334) internal successors, (3947), 6 states have internal predecessors, (3947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:08,137 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:08,137 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 655 of 1438 [2022-12-13 11:54:08,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:08,713 INFO L130 PetriNetUnfolder]: 1685/4907 cut-off events. [2022-12-13 11:54:08,713 INFO L131 PetriNetUnfolder]: For 147/153 co-relation queries the response was YES. [2022-12-13 11:54:08,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8097 conditions, 4907 events. 1685/4907 cut-off events. For 147/153 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 38882 event pairs, 539 based on Foata normal form. 0/4474 useless extension candidates. Maximal degree in co-relation 8084. Up to 2734 conditions per place. [2022-12-13 11:54:08,727 INFO L137 encePairwiseOnDemand]: 1426/1438 looper letters, 99 selfloop transitions, 8 changer transitions 0/197 dead transitions. [2022-12-13 11:54:08,727 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 197 transitions, 716 flow [2022-12-13 11:54:08,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:54:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:54:08,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4034 transitions. [2022-12-13 11:54:08,732 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4675475197032916 [2022-12-13 11:54:08,732 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4034 transitions. [2022-12-13 11:54:08,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4034 transitions. [2022-12-13 11:54:08,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:08,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4034 transitions. [2022-12-13 11:54:08,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 672.3333333333334) internal successors, (4034), 6 states have internal predecessors, (4034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:08,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1438.0) internal successors, (10066), 7 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:08,741 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1438.0) internal successors, (10066), 7 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:08,741 INFO L175 Difference]: Start difference. First operand has 167 places, 161 transitions, 418 flow. Second operand 6 states and 4034 transitions. [2022-12-13 11:54:08,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 197 transitions, 716 flow [2022-12-13 11:54:08,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 197 transitions, 716 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:54:08,743 INFO L231 Difference]: Finished difference. Result has 172 places, 165 transitions, 472 flow [2022-12-13 11:54:08,744 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=472, PETRI_PLACES=172, PETRI_TRANSITIONS=165} [2022-12-13 11:54:08,744 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -39 predicate places. [2022-12-13 11:54:08,744 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 165 transitions, 472 flow [2022-12-13 11:54:08,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 657.8333333333334) internal successors, (3947), 6 states have internal predecessors, (3947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:08,745 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:08,745 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] [2022-12-13 11:54:08,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 11:54:08,745 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:08,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:08,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1506675789, now seen corresponding path program 1 times [2022-12-13 11:54:08,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:08,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623646137] [2022-12-13 11:54:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:08,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:54:08,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:08,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623646137] [2022-12-13 11:54:08,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623646137] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:08,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:08,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:54:08,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5236308] [2022-12-13 11:54:08,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:08,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:08,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:08,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:08,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:08,805 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 1438 [2022-12-13 11:54:08,807 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 165 transitions, 472 flow. Second operand has 3 states, 3 states have (on average 691.0) internal successors, (2073), 3 states have internal predecessors, (2073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:08,807 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:08,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 1438 [2022-12-13 11:54:08,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:09,368 INFO L130 PetriNetUnfolder]: 1040/4141 cut-off events. [2022-12-13 11:54:09,368 INFO L131 PetriNetUnfolder]: For 178/188 co-relation queries the response was YES. [2022-12-13 11:54:09,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6404 conditions, 4141 events. 1040/4141 cut-off events. For 178/188 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 36519 event pairs, 253 based on Foata normal form. 0/3816 useless extension candidates. Maximal degree in co-relation 6387. Up to 1365 conditions per place. [2022-12-13 11:54:09,385 INFO L137 encePairwiseOnDemand]: 1434/1438 looper letters, 76 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2022-12-13 11:54:09,385 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 186 transitions, 679 flow [2022-12-13 11:54:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:09,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:09,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2130 transitions. [2022-12-13 11:54:09,389 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4937413073713491 [2022-12-13 11:54:09,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2130 transitions. [2022-12-13 11:54:09,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2130 transitions. [2022-12-13 11:54:09,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:09,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2130 transitions. [2022-12-13 11:54:09,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 710.0) internal successors, (2130), 3 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:09,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:09,394 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:09,394 INFO L175 Difference]: Start difference. First operand has 172 places, 165 transitions, 472 flow. Second operand 3 states and 2130 transitions. [2022-12-13 11:54:09,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 186 transitions, 679 flow [2022-12-13 11:54:09,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 186 transitions, 679 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:54:09,397 INFO L231 Difference]: Finished difference. Result has 173 places, 165 transitions, 482 flow [2022-12-13 11:54:09,397 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=173, PETRI_TRANSITIONS=165} [2022-12-13 11:54:09,397 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -38 predicate places. [2022-12-13 11:54:09,397 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 165 transitions, 482 flow [2022-12-13 11:54:09,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 691.0) internal successors, (2073), 3 states have internal predecessors, (2073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:09,397 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:09,398 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] [2022-12-13 11:54:09,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 11:54:09,398 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:09,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:09,398 INFO L85 PathProgramCache]: Analyzing trace with hash 621352153, now seen corresponding path program 1 times [2022-12-13 11:54:09,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:09,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206289830] [2022-12-13 11:54:09,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:09,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:54:09,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:09,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206289830] [2022-12-13 11:54:09,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206289830] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:09,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:09,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:54:09,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974930867] [2022-12-13 11:54:09,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:09,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:09,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:09,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:09,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:09,443 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 1438 [2022-12-13 11:54:09,445 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 165 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 692.3333333333334) internal successors, (2077), 3 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:09,445 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:09,445 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 1438 [2022-12-13 11:54:09,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:09,928 INFO L130 PetriNetUnfolder]: 1105/4495 cut-off events. [2022-12-13 11:54:09,928 INFO L131 PetriNetUnfolder]: For 251/261 co-relation queries the response was YES. [2022-12-13 11:54:09,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7078 conditions, 4495 events. 1105/4495 cut-off events. For 251/261 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 41612 event pairs, 238 based on Foata normal form. 0/4205 useless extension candidates. Maximal degree in co-relation 7060. Up to 1501 conditions per place. [2022-12-13 11:54:09,946 INFO L137 encePairwiseOnDemand]: 1434/1438 looper letters, 75 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2022-12-13 11:54:09,947 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 185 transitions, 689 flow [2022-12-13 11:54:09,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:09,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:09,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2128 transitions. [2022-12-13 11:54:09,949 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49327770050996755 [2022-12-13 11:54:09,949 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2128 transitions. [2022-12-13 11:54:09,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2128 transitions. [2022-12-13 11:54:09,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:09,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2128 transitions. [2022-12-13 11:54:09,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 709.3333333333334) internal successors, (2128), 3 states have internal predecessors, (2128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:09,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:09,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:09,954 INFO L175 Difference]: Start difference. First operand has 173 places, 165 transitions, 482 flow. Second operand 3 states and 2128 transitions. [2022-12-13 11:54:09,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 185 transitions, 689 flow [2022-12-13 11:54:09,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 185 transitions, 689 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:54:09,957 INFO L231 Difference]: Finished difference. Result has 174 places, 165 transitions, 492 flow [2022-12-13 11:54:09,957 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=174, PETRI_TRANSITIONS=165} [2022-12-13 11:54:09,957 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -37 predicate places. [2022-12-13 11:54:09,957 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 165 transitions, 492 flow [2022-12-13 11:54:09,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 692.3333333333334) internal successors, (2077), 3 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:09,957 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:09,957 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] [2022-12-13 11:54:09,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 11:54:09,958 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:09,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:09,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1583410566, now seen corresponding path program 1 times [2022-12-13 11:54:09,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:09,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423723586] [2022-12-13 11:54:09,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:09,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:10,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:54:10,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:10,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423723586] [2022-12-13 11:54:10,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423723586] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:10,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:10,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:54:10,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737730907] [2022-12-13 11:54:10,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:10,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:10,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:10,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:10,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:10,176 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 673 out of 1438 [2022-12-13 11:54:10,178 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 165 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 679.6666666666666) internal successors, (2039), 3 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:10,178 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:10,178 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 673 of 1438 [2022-12-13 11:54:10,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:10,701 INFO L130 PetriNetUnfolder]: 1074/4452 cut-off events. [2022-12-13 11:54:10,701 INFO L131 PetriNetUnfolder]: For 293/303 co-relation queries the response was YES. [2022-12-13 11:54:10,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7119 conditions, 4452 events. 1074/4452 cut-off events. For 293/303 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 41177 event pairs, 270 based on Foata normal form. 0/4176 useless extension candidates. Maximal degree in co-relation 7100. Up to 1326 conditions per place. [2022-12-13 11:54:10,721 INFO L137 encePairwiseOnDemand]: 1434/1438 looper letters, 78 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2022-12-13 11:54:10,721 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 187 transitions, 713 flow [2022-12-13 11:54:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:10,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:10,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2090 transitions. [2022-12-13 11:54:10,723 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48446917014371815 [2022-12-13 11:54:10,723 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2090 transitions. [2022-12-13 11:54:10,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2090 transitions. [2022-12-13 11:54:10,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:10,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2090 transitions. [2022-12-13 11:54:10,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 696.6666666666666) internal successors, (2090), 3 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:10,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:10,728 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:10,728 INFO L175 Difference]: Start difference. First operand has 174 places, 165 transitions, 492 flow. Second operand 3 states and 2090 transitions. [2022-12-13 11:54:10,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 187 transitions, 713 flow [2022-12-13 11:54:10,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 187 transitions, 713 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:54:10,734 INFO L231 Difference]: Finished difference. Result has 175 places, 165 transitions, 502 flow [2022-12-13 11:54:10,734 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=175, PETRI_TRANSITIONS=165} [2022-12-13 11:54:10,734 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -36 predicate places. [2022-12-13 11:54:10,735 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 165 transitions, 502 flow [2022-12-13 11:54:10,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 679.6666666666666) internal successors, (2039), 3 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:10,735 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:10,735 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:54:10,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 11:54:10,736 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:10,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:10,736 INFO L85 PathProgramCache]: Analyzing trace with hash -229930361, now seen corresponding path program 1 times [2022-12-13 11:54:10,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:10,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237544794] [2022-12-13 11:54:10,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:10,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:10,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:54:10,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:10,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237544794] [2022-12-13 11:54:10,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237544794] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:10,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:10,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:54:10,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803421970] [2022-12-13 11:54:10,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:10,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:10,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:10,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:10,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:10,968 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 673 out of 1438 [2022-12-13 11:54:10,970 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 165 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 678.3333333333334) internal successors, (2035), 3 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:10,970 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:10,970 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 673 of 1438 [2022-12-13 11:54:10,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:11,465 INFO L130 PetriNetUnfolder]: 1139/4662 cut-off events. [2022-12-13 11:54:11,465 INFO L131 PetriNetUnfolder]: For 321/331 co-relation queries the response was YES. [2022-12-13 11:54:11,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7585 conditions, 4662 events. 1139/4662 cut-off events. For 321/331 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 42711 event pairs, 282 based on Foata normal form. 0/4377 useless extension candidates. Maximal degree in co-relation 7565. Up to 1427 conditions per place. [2022-12-13 11:54:11,481 INFO L137 encePairwiseOnDemand]: 1434/1438 looper letters, 81 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2022-12-13 11:54:11,481 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 188 transitions, 731 flow [2022-12-13 11:54:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2092 transitions. [2022-12-13 11:54:11,486 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4849327770050997 [2022-12-13 11:54:11,486 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2092 transitions. [2022-12-13 11:54:11,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2092 transitions. [2022-12-13 11:54:11,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:11,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2092 transitions. [2022-12-13 11:54:11,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 697.3333333333334) internal successors, (2092), 3 states have internal predecessors, (2092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:11,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:11,496 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:11,496 INFO L175 Difference]: Start difference. First operand has 175 places, 165 transitions, 502 flow. Second operand 3 states and 2092 transitions. [2022-12-13 11:54:11,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 188 transitions, 731 flow [2022-12-13 11:54:11,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 188 transitions, 731 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:54:11,502 INFO L231 Difference]: Finished difference. Result has 176 places, 165 transitions, 512 flow [2022-12-13 11:54:11,502 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=176, PETRI_TRANSITIONS=165} [2022-12-13 11:54:11,502 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -35 predicate places. [2022-12-13 11:54:11,502 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 165 transitions, 512 flow [2022-12-13 11:54:11,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 678.3333333333334) internal successors, (2035), 3 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:11,503 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:11,503 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:54:11,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 11:54:11,503 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:11,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:11,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1238677149, now seen corresponding path program 1 times [2022-12-13 11:54:11,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:11,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493758575] [2022-12-13 11:54:11,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:11,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:54:11,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:11,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493758575] [2022-12-13 11:54:11,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493758575] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:11,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:11,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:54:11,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799300849] [2022-12-13 11:54:11,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:11,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:11,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:11,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:11,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:11,562 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 1438 [2022-12-13 11:54:11,563 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 165 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 693.0) internal successors, (2079), 3 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:11,563 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:11,564 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 1438 [2022-12-13 11:54:11,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:12,126 INFO L130 PetriNetUnfolder]: 1103/4730 cut-off events. [2022-12-13 11:54:12,126 INFO L131 PetriNetUnfolder]: For 337/347 co-relation queries the response was YES. [2022-12-13 11:54:12,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7677 conditions, 4730 events. 1103/4730 cut-off events. For 337/347 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 43996 event pairs, 587 based on Foata normal form. 0/4438 useless extension candidates. Maximal degree in co-relation 7656. Up to 1415 conditions per place. [2022-12-13 11:54:12,147 INFO L137 encePairwiseOnDemand]: 1434/1438 looper letters, 71 selfloop transitions, 3 changer transitions 0/183 dead transitions. [2022-12-13 11:54:12,147 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 183 transitions, 706 flow [2022-12-13 11:54:12,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:12,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2120 transitions. [2022-12-13 11:54:12,151 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49142327306444133 [2022-12-13 11:54:12,151 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2120 transitions. [2022-12-13 11:54:12,151 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2120 transitions. [2022-12-13 11:54:12,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:12,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2120 transitions. [2022-12-13 11:54:12,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 706.6666666666666) internal successors, (2120), 3 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:12,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:12,158 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:12,158 INFO L175 Difference]: Start difference. First operand has 176 places, 165 transitions, 512 flow. Second operand 3 states and 2120 transitions. [2022-12-13 11:54:12,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 183 transitions, 706 flow [2022-12-13 11:54:12,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 183 transitions, 706 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:54:12,162 INFO L231 Difference]: Finished difference. Result has 180 places, 167 transitions, 534 flow [2022-12-13 11:54:12,162 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=180, PETRI_TRANSITIONS=167} [2022-12-13 11:54:12,163 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -31 predicate places. [2022-12-13 11:54:12,163 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 167 transitions, 534 flow [2022-12-13 11:54:12,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 693.0) internal successors, (2079), 3 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:12,163 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:12,163 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] [2022-12-13 11:54:12,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 11:54:12,164 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:12,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:12,164 INFO L85 PathProgramCache]: Analyzing trace with hash 366160025, now seen corresponding path program 1 times [2022-12-13 11:54:12,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:12,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087017976] [2022-12-13 11:54:12,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:12,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:54:12,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:12,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087017976] [2022-12-13 11:54:12,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087017976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:12,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:12,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:54:12,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432821308] [2022-12-13 11:54:12,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:12,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:12,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:12,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:12,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:12,231 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 685 out of 1438 [2022-12-13 11:54:12,232 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 167 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 693.0) internal successors, (2079), 3 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:12,233 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:12,233 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 685 of 1438 [2022-12-13 11:54:12,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:12,845 INFO L130 PetriNetUnfolder]: 1103/4690 cut-off events. [2022-12-13 11:54:12,845 INFO L131 PetriNetUnfolder]: For 519/529 co-relation queries the response was YES. [2022-12-13 11:54:12,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8003 conditions, 4690 events. 1103/4690 cut-off events. For 519/529 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 43292 event pairs, 753 based on Foata normal form. 92/4541 useless extension candidates. Maximal degree in co-relation 7980. Up to 1789 conditions per place. [2022-12-13 11:54:12,865 INFO L137 encePairwiseOnDemand]: 1434/1438 looper letters, 70 selfloop transitions, 4 changer transitions 0/182 dead transitions. [2022-12-13 11:54:12,865 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 182 transitions, 722 flow [2022-12-13 11:54:12,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:12,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:12,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2115 transitions. [2022-12-13 11:54:12,868 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4902642559109875 [2022-12-13 11:54:12,868 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2115 transitions. [2022-12-13 11:54:12,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2115 transitions. [2022-12-13 11:54:12,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:12,868 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2115 transitions. [2022-12-13 11:54:12,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 705.0) internal successors, (2115), 3 states have internal predecessors, (2115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:12,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:12,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:12,872 INFO L175 Difference]: Start difference. First operand has 180 places, 167 transitions, 534 flow. Second operand 3 states and 2115 transitions. [2022-12-13 11:54:12,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 182 transitions, 722 flow [2022-12-13 11:54:12,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 182 transitions, 716 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 11:54:12,877 INFO L231 Difference]: Finished difference. Result has 179 places, 166 transitions, 534 flow [2022-12-13 11:54:12,877 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=179, PETRI_TRANSITIONS=166} [2022-12-13 11:54:12,877 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -32 predicate places. [2022-12-13 11:54:12,877 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 166 transitions, 534 flow [2022-12-13 11:54:12,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 693.0) internal successors, (2079), 3 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:12,878 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:12,878 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] [2022-12-13 11:54:12,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 11:54:12,878 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:12,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:12,878 INFO L85 PathProgramCache]: Analyzing trace with hash -319970542, now seen corresponding path program 1 times [2022-12-13 11:54:12,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:12,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697205538] [2022-12-13 11:54:12,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:12,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:54:12,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:12,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697205538] [2022-12-13 11:54:12,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697205538] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:12,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:12,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:54:12,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54599155] [2022-12-13 11:54:12,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:12,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:12,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:12,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:12,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:12,943 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 686 out of 1438 [2022-12-13 11:54:12,945 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 166 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 693.3333333333334) internal successors, (2080), 3 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:12,945 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:12,945 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 686 of 1438 [2022-12-13 11:54:12,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:13,524 INFO L130 PetriNetUnfolder]: 1176/4933 cut-off events. [2022-12-13 11:54:13,524 INFO L131 PetriNetUnfolder]: For 617/627 co-relation queries the response was YES. [2022-12-13 11:54:13,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8496 conditions, 4933 events. 1176/4933 cut-off events. For 617/627 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 45267 event pairs, 714 based on Foata normal form. 0/4746 useless extension candidates. Maximal degree in co-relation 8473. Up to 1672 conditions per place. [2022-12-13 11:54:13,545 INFO L137 encePairwiseOnDemand]: 1434/1438 looper letters, 81 selfloop transitions, 3 changer transitions 0/192 dead transitions. [2022-12-13 11:54:13,545 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 192 transitions, 791 flow [2022-12-13 11:54:13,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:13,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2125 transitions. [2022-12-13 11:54:13,548 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49258229021789524 [2022-12-13 11:54:13,548 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2125 transitions. [2022-12-13 11:54:13,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2125 transitions. [2022-12-13 11:54:13,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:13,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2125 transitions. [2022-12-13 11:54:13,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 708.3333333333334) internal successors, (2125), 3 states have internal predecessors, (2125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:13,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:13,552 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1438.0) internal successors, (5752), 4 states have internal predecessors, (5752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:13,552 INFO L175 Difference]: Start difference. First operand has 179 places, 166 transitions, 534 flow. Second operand 3 states and 2125 transitions. [2022-12-13 11:54:13,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 192 transitions, 791 flow [2022-12-13 11:54:13,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 192 transitions, 775 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 11:54:13,559 INFO L231 Difference]: Finished difference. Result has 181 places, 168 transitions, 548 flow [2022-12-13 11:54:13,559 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=181, PETRI_TRANSITIONS=168} [2022-12-13 11:54:13,559 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -30 predicate places. [2022-12-13 11:54:13,559 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 168 transitions, 548 flow [2022-12-13 11:54:13,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 693.3333333333334) internal successors, (2080), 3 states have internal predecessors, (2080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:13,559 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:13,559 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] [2022-12-13 11:54:13,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 11:54:13,560 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 128 more)] === [2022-12-13 11:54:13,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:13,560 INFO L85 PathProgramCache]: Analyzing trace with hash -920213366, now seen corresponding path program 1 times [2022-12-13 11:54:13,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:13,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545513546] [2022-12-13 11:54:13,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:13,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 11:54:13,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:13,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545513546] [2022-12-13 11:54:13,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545513546] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:13,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:13,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:54:13,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409423488] [2022-12-13 11:54:13,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:13,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:54:13,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:13,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:54:13,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:54:14,411 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 674 out of 1438 [2022-12-13 11:54:14,414 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 168 transitions, 548 flow. Second operand has 6 states, 6 states have (on average 678.6666666666666) internal successors, (4072), 6 states have internal predecessors, (4072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:14,414 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:14,414 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 674 of 1438 [2022-12-13 11:54:14,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:15,199 INFO L130 PetriNetUnfolder]: 1280/4968 cut-off events. [2022-12-13 11:54:15,199 INFO L131 PetriNetUnfolder]: For 782/792 co-relation queries the response was YES. [2022-12-13 11:54:15,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9126 conditions, 4968 events. 1280/4968 cut-off events. For 782/792 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 44959 event pairs, 905 based on Foata normal form. 0/4854 useless extension candidates. Maximal degree in co-relation 9102. Up to 2071 conditions per place. [2022-12-13 11:54:15,216 INFO L137 encePairwiseOnDemand]: 1433/1438 looper letters, 0 selfloop transitions, 0 changer transitions 251/251 dead transitions. [2022-12-13 11:54:15,216 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 251 transitions, 1122 flow [2022-12-13 11:54:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:54:15,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:54:15,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4161 transitions. [2022-12-13 11:54:15,222 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4822670375521558 [2022-12-13 11:54:15,223 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 4161 transitions. [2022-12-13 11:54:15,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 4161 transitions. [2022-12-13 11:54:15,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:15,224 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 4161 transitions. [2022-12-13 11:54:15,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 693.5) internal successors, (4161), 6 states have internal predecessors, (4161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:15,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1438.0) internal successors, (10066), 7 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:15,240 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1438.0) internal successors, (10066), 7 states have internal predecessors, (10066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:15,240 INFO L175 Difference]: Start difference. First operand has 181 places, 168 transitions, 548 flow. Second operand 6 states and 4161 transitions. [2022-12-13 11:54:15,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 251 transitions, 1122 flow [2022-12-13 11:54:15,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 251 transitions, 1116 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 11:54:15,254 INFO L231 Difference]: Finished difference. Result has 183 places, 0 transitions, 0 flow [2022-12-13 11:54:15,254 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=1438, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=183, PETRI_TRANSITIONS=0} [2022-12-13 11:54:15,255 INFO L288 CegarLoopForPetriNet]: 211 programPoint places, -28 predicate places. [2022-12-13 11:54:15,255 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 0 transitions, 0 flow [2022-12-13 11:54:15,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 678.6666666666666) internal successors, (4072), 6 states have internal predecessors, (4072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:15,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (131 of 132 remaining) [2022-12-13 11:54:15,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (130 of 132 remaining) [2022-12-13 11:54:15,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (129 of 132 remaining) [2022-12-13 11:54:15,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (128 of 132 remaining) [2022-12-13 11:54:15,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (127 of 132 remaining) [2022-12-13 11:54:15,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (126 of 132 remaining) [2022-12-13 11:54:15,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (125 of 132 remaining) [2022-12-13 11:54:15,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (124 of 132 remaining) [2022-12-13 11:54:15,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (123 of 132 remaining) [2022-12-13 11:54:15,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (122 of 132 remaining) [2022-12-13 11:54:15,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (121 of 132 remaining) [2022-12-13 11:54:15,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (120 of 132 remaining) [2022-12-13 11:54:15,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (119 of 132 remaining) [2022-12-13 11:54:15,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (118 of 132 remaining) [2022-12-13 11:54:15,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (117 of 132 remaining) [2022-12-13 11:54:15,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (116 of 132 remaining) [2022-12-13 11:54:15,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (115 of 132 remaining) [2022-12-13 11:54:15,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (114 of 132 remaining) [2022-12-13 11:54:15,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (113 of 132 remaining) [2022-12-13 11:54:15,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (112 of 132 remaining) [2022-12-13 11:54:15,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (111 of 132 remaining) [2022-12-13 11:54:15,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (110 of 132 remaining) [2022-12-13 11:54:15,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (109 of 132 remaining) [2022-12-13 11:54:15,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (108 of 132 remaining) [2022-12-13 11:54:15,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (107 of 132 remaining) [2022-12-13 11:54:15,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (106 of 132 remaining) [2022-12-13 11:54:15,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (105 of 132 remaining) [2022-12-13 11:54:15,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (104 of 132 remaining) [2022-12-13 11:54:15,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (103 of 132 remaining) [2022-12-13 11:54:15,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (102 of 132 remaining) [2022-12-13 11:54:15,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (101 of 132 remaining) [2022-12-13 11:54:15,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (100 of 132 remaining) [2022-12-13 11:54:15,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (99 of 132 remaining) [2022-12-13 11:54:15,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (98 of 132 remaining) [2022-12-13 11:54:15,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (97 of 132 remaining) [2022-12-13 11:54:15,262 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (96 of 132 remaining) [2022-12-13 11:54:15,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (95 of 132 remaining) [2022-12-13 11:54:15,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (94 of 132 remaining) [2022-12-13 11:54:15,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (93 of 132 remaining) [2022-12-13 11:54:15,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (92 of 132 remaining) [2022-12-13 11:54:15,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (91 of 132 remaining) [2022-12-13 11:54:15,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (90 of 132 remaining) [2022-12-13 11:54:15,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (89 of 132 remaining) [2022-12-13 11:54:15,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (88 of 132 remaining) [2022-12-13 11:54:15,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (87 of 132 remaining) [2022-12-13 11:54:15,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (86 of 132 remaining) [2022-12-13 11:54:15,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (85 of 132 remaining) [2022-12-13 11:54:15,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (84 of 132 remaining) [2022-12-13 11:54:15,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (83 of 132 remaining) [2022-12-13 11:54:15,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (82 of 132 remaining) [2022-12-13 11:54:15,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (81 of 132 remaining) [2022-12-13 11:54:15,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (80 of 132 remaining) [2022-12-13 11:54:15,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (79 of 132 remaining) [2022-12-13 11:54:15,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (78 of 132 remaining) [2022-12-13 11:54:15,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (77 of 132 remaining) [2022-12-13 11:54:15,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (76 of 132 remaining) [2022-12-13 11:54:15,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (75 of 132 remaining) [2022-12-13 11:54:15,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (74 of 132 remaining) [2022-12-13 11:54:15,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (73 of 132 remaining) [2022-12-13 11:54:15,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (72 of 132 remaining) [2022-12-13 11:54:15,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (71 of 132 remaining) [2022-12-13 11:54:15,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (70 of 132 remaining) [2022-12-13 11:54:15,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (69 of 132 remaining) [2022-12-13 11:54:15,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (68 of 132 remaining) [2022-12-13 11:54:15,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (67 of 132 remaining) [2022-12-13 11:54:15,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (66 of 132 remaining) [2022-12-13 11:54:15,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (65 of 132 remaining) [2022-12-13 11:54:15,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (64 of 132 remaining) [2022-12-13 11:54:15,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (63 of 132 remaining) [2022-12-13 11:54:15,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (62 of 132 remaining) [2022-12-13 11:54:15,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (61 of 132 remaining) [2022-12-13 11:54:15,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (60 of 132 remaining) [2022-12-13 11:54:15,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (59 of 132 remaining) [2022-12-13 11:54:15,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (58 of 132 remaining) [2022-12-13 11:54:15,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (57 of 132 remaining) [2022-12-13 11:54:15,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (56 of 132 remaining) [2022-12-13 11:54:15,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (55 of 132 remaining) [2022-12-13 11:54:15,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (54 of 132 remaining) [2022-12-13 11:54:15,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (53 of 132 remaining) [2022-12-13 11:54:15,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (52 of 132 remaining) [2022-12-13 11:54:15,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 132 remaining) [2022-12-13 11:54:15,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 132 remaining) [2022-12-13 11:54:15,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (49 of 132 remaining) [2022-12-13 11:54:15,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (48 of 132 remaining) [2022-12-13 11:54:15,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (47 of 132 remaining) [2022-12-13 11:54:15,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (46 of 132 remaining) [2022-12-13 11:54:15,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (45 of 132 remaining) [2022-12-13 11:54:15,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (44 of 132 remaining) [2022-12-13 11:54:15,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (43 of 132 remaining) [2022-12-13 11:54:15,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (42 of 132 remaining) [2022-12-13 11:54:15,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (41 of 132 remaining) [2022-12-13 11:54:15,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (40 of 132 remaining) [2022-12-13 11:54:15,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (39 of 132 remaining) [2022-12-13 11:54:15,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (38 of 132 remaining) [2022-12-13 11:54:15,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (37 of 132 remaining) [2022-12-13 11:54:15,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (36 of 132 remaining) [2022-12-13 11:54:15,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 132 remaining) [2022-12-13 11:54:15,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (34 of 132 remaining) [2022-12-13 11:54:15,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (33 of 132 remaining) [2022-12-13 11:54:15,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (32 of 132 remaining) [2022-12-13 11:54:15,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 132 remaining) [2022-12-13 11:54:15,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (30 of 132 remaining) [2022-12-13 11:54:15,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (29 of 132 remaining) [2022-12-13 11:54:15,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err24ASSERT_VIOLATIONDATA_RACE (28 of 132 remaining) [2022-12-13 11:54:15,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (27 of 132 remaining) [2022-12-13 11:54:15,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (26 of 132 remaining) [2022-12-13 11:54:15,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONDATA_RACE (25 of 132 remaining) [2022-12-13 11:54:15,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 132 remaining) [2022-12-13 11:54:15,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 132 remaining) [2022-12-13 11:54:15,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 132 remaining) [2022-12-13 11:54:15,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 132 remaining) [2022-12-13 11:54:15,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 132 remaining) [2022-12-13 11:54:15,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 132 remaining) [2022-12-13 11:54:15,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 132 remaining) [2022-12-13 11:54:15,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 132 remaining) [2022-12-13 11:54:15,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 132 remaining) [2022-12-13 11:54:15,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 132 remaining) [2022-12-13 11:54:15,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 132 remaining) [2022-12-13 11:54:15,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 132 remaining) [2022-12-13 11:54:15,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (12 of 132 remaining) [2022-12-13 11:54:15,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (11 of 132 remaining) [2022-12-13 11:54:15,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (10 of 132 remaining) [2022-12-13 11:54:15,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 132 remaining) [2022-12-13 11:54:15,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (8 of 132 remaining) [2022-12-13 11:54:15,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (7 of 132 remaining) [2022-12-13 11:54:15,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (6 of 132 remaining) [2022-12-13 11:54:15,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (5 of 132 remaining) [2022-12-13 11:54:15,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 132 remaining) [2022-12-13 11:54:15,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (3 of 132 remaining) [2022-12-13 11:54:15,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (2 of 132 remaining) [2022-12-13 11:54:15,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (1 of 132 remaining) [2022-12-13 11:54:15,275 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (0 of 132 remaining) [2022-12-13 11:54:15,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 11:54:15,276 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:54:15,282 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 11:54:15,282 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:54:15,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:54:15 BasicIcfg [2022-12-13 11:54:15,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:54:15,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:54:15,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:54:15,286 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:54:15,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:53:45" (3/4) ... [2022-12-13 11:54:15,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:54:15,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 11:54:15,294 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 11:54:15,303 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2022-12-13 11:54:15,304 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 11:54:15,305 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 11:54:15,306 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:54:15,346 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:54:15,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:54:15,347 INFO L158 Benchmark]: Toolchain (without parser) took 30532.52ms. Allocated memory was 205.5MB in the beginning and 775.9MB in the end (delta: 570.4MB). Free memory was 143.9MB in the beginning and 509.9MB in the end (delta: -366.0MB). Peak memory consumption was 206.6MB. Max. memory is 16.1GB. [2022-12-13 11:54:15,347 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:54:15,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.42ms. Allocated memory is still 205.5MB. Free memory was 143.8MB in the beginning and 129.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 11:54:15,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.55ms. Allocated memory is still 205.5MB. Free memory was 129.9MB in the beginning and 125.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:54:15,347 INFO L158 Benchmark]: Boogie Preprocessor took 64.77ms. Allocated memory is still 205.5MB. Free memory was 125.6MB in the beginning and 175.2MB in the end (delta: -49.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-12-13 11:54:15,348 INFO L158 Benchmark]: RCFGBuilder took 766.12ms. Allocated memory is still 205.5MB. Free memory was 175.2MB in the beginning and 129.7MB in the end (delta: 45.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-13 11:54:15,348 INFO L158 Benchmark]: TraceAbstraction took 29323.47ms. Allocated memory was 205.5MB in the beginning and 775.9MB in the end (delta: 570.4MB). Free memory was 129.0MB in the beginning and 517.4MB in the end (delta: -388.4MB). Peak memory consumption was 486.9MB. Max. memory is 16.1GB. [2022-12-13 11:54:15,348 INFO L158 Benchmark]: Witness Printer took 60.11ms. Allocated memory is still 775.9MB. Free memory was 517.4MB in the beginning and 509.9MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 11:54:15,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.42ms. Allocated memory is still 205.5MB. Free memory was 143.8MB in the beginning and 129.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.55ms. Allocated memory is still 205.5MB. Free memory was 129.9MB in the beginning and 125.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.77ms. Allocated memory is still 205.5MB. Free memory was 125.6MB in the beginning and 175.2MB in the end (delta: -49.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * RCFGBuilder took 766.12ms. Allocated memory is still 205.5MB. Free memory was 175.2MB in the beginning and 129.7MB in the end (delta: 45.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 29323.47ms. Allocated memory was 205.5MB in the beginning and 775.9MB in the end (delta: 570.4MB). Free memory was 129.0MB in the beginning and 517.4MB in the end (delta: -388.4MB). Peak memory consumption was 486.9MB. Max. memory is 16.1GB. * Witness Printer took 60.11ms. Allocated memory is still 775.9MB. Free memory was 517.4MB in the beginning and 509.9MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0s, 669 PlacesBefore, 211 PlacesAfterwards, 693 TransitionsBefore, 213 TransitionsAfterwards, 56240 CoEnabledTransitionPairs, 11 FixpointIterations, 423 TrivialSequentialCompositions, 188 ConcurrentSequentialCompositions, 58 TrivialYvCompositions, 29 ConcurrentYvCompositions, 22 ChoiceCompositions, 720 TotalNumberOfCompositions, 408647 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 93630, independent: 90070, independent conditional: 0, independent unconditional: 90070, dependent: 3560, dependent conditional: 0, dependent unconditional: 3560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 27176, independent: 26869, independent conditional: 0, independent unconditional: 26869, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 93630, independent: 63201, independent conditional: 0, independent unconditional: 63201, dependent: 3253, dependent conditional: 0, dependent unconditional: 3253, unknown: 27176, unknown conditional: 0, unknown unconditional: 27176] , Statistics on independence cache: Total cache size (in pairs): 3474, Positive cache size: 3239, Positive conditional cache size: 0, Positive unconditional cache size: 3239, Negative cache size: 235, Negative conditional cache size: 0, Negative unconditional cache size: 235, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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: 115]: 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: 115]: 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: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 984 locations, 132 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: 29.2s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3775 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2048 mSDsluCounter, 442 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146 mSDsCounter, 1043 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5592 IncrementalHoareTripleChecker+Invalid, 6635 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1043 mSolverCounterUnsat, 296 mSDtfsCounter, 5592 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=19, InterpolantAutomatonStates: 74, 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, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 511 NumberOfCodeBlocks, 511 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 490 ConstructedInterpolants, 0 QuantifiedInterpolants, 998 SizeOfPredicates, 2 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 21 InterpolantComputations, 20 PerfectInterpolantSequences, 48/49 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 80 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 11:54:15,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_748e51ac-2d39-49c3-ae5f-b51ae733a8e0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE