./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:43:23,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:43:23,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 10:43:23,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:43:23,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:43:24,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:43:24,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:43:24,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:43:24,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:43:24,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:43:24,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:43:24,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:43:24,054 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:43:24,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:43:24,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:43:24,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:43:24,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:43:24,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:43:24,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:43:24,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:43:24,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:43:24,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:43:24,061 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 10:43:24,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:43:24,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:43:24,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:43:24,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:43:24,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:43:24,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:43:24,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:43:24,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:24,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:43:24,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:43:24,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:43:24,068 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:43:24,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:43:24,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:43:24,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:43:24,069 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:43:24,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:43:24,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:43:24,070 INFO L153 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_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac [2023-11-26 10:43:24,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:43:24,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:43:24,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:43:24,387 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:43:24,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:43:24,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2023-11-26 10:43:27,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:43:28,151 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:43:28,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2023-11-26 10:43:28,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/data/43b4e5690/09e24e08f7ef4d5faa1c38a8006cf0e0/FLAG49da89f7a [2023-11-26 10:43:28,183 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/data/43b4e5690/09e24e08f7ef4d5faa1c38a8006cf0e0 [2023-11-26 10:43:28,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:43:28,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:43:28,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:28,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:43:28,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:43:28,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be6dcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28, skipping insertion in model container [2023-11-26 10:43:28,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,244 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:43:28,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:28,520 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:43:28,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:28,645 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:28,646 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:28,656 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:43:28,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28 WrapperNode [2023-11-26 10:43:28,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:28,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:28,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:43:28,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:43:28,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,756 INFO L138 Inliner]: procedures = 26, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 566 [2023-11-26 10:43:28,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:28,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:43:28,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:43:28,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:43:28,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:43:28,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:43:28,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:43:28,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:43:28,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (1/1) ... [2023-11-26 10:43:28,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:28,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:28,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:28,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:43:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:43:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:43:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 10:43:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 10:43:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 10:43:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 10:43:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 10:43:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 10:43:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 10:43:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 10:43:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 10:43:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 10:43:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 10:43:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:43:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:43:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:43:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:43:28,923 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 10:43:29,093 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:43:29,095 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:43:30,262 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:43:30,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:43:30,959 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-26 10:43:30,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:30 BoogieIcfgContainer [2023-11-26 10:43:30,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:43:30,967 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:43:30,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:43:30,971 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:43:30,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:43:28" (1/3) ... [2023-11-26 10:43:30,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11be29f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:30, skipping insertion in model container [2023-11-26 10:43:30,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:28" (2/3) ... [2023-11-26 10:43:30,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11be29f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:30, skipping insertion in model container [2023-11-26 10:43:30,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:30" (3/3) ... [2023-11-26 10:43:30,980 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2023-11-26 10:43:30,994 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 10:43:31,006 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:43:31,006 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 89 error locations. [2023-11-26 10:43:31,007 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 10:43:31,233 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-26 10:43:31,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 469 places, 479 transitions, 979 flow [2023-11-26 10:43:31,630 INFO L124 PetriNetUnfolderBase]: 20/476 cut-off events. [2023-11-26 10:43:31,630 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 10:43:31,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 476 events. 20/476 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 884 event pairs, 0 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 353. Up to 3 conditions per place. [2023-11-26 10:43:31,642 INFO L82 GeneralOperation]: Start removeDead. Operand has 469 places, 479 transitions, 979 flow [2023-11-26 10:43:31,662 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 441 places, 449 transitions, 916 flow [2023-11-26 10:43:31,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:43:31,689 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=LoopHeads, 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;@7cbf579f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:43:31,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 155 error locations. [2023-11-26 10:43:31,698 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 10:43:31,698 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2023-11-26 10:43:31,699 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:43:31,699 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:31,700 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:31,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:31,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:31,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1469782466, now seen corresponding path program 1 times [2023-11-26 10:43:31,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:31,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080189483] [2023-11-26 10:43:31,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:31,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:31,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:31,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080189483] [2023-11-26 10:43:31,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080189483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:31,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:31,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:31,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550179707] [2023-11-26 10:43:31,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:31,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:31,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:32,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:32,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:32,075 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 399 out of 479 [2023-11-26 10:43:32,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 449 transitions, 916 flow. Second operand has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:32,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:32,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 399 of 479 [2023-11-26 10:43:32,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:32,834 INFO L124 PetriNetUnfolderBase]: 165/1642 cut-off events. [2023-11-26 10:43:32,834 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2023-11-26 10:43:32,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1967 conditions, 1642 events. 165/1642 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 11051 event pairs, 128 based on Foata normal form. 80/1445 useless extension candidates. Maximal degree in co-relation 1491. Up to 251 conditions per place. [2023-11-26 10:43:32,861 INFO L140 encePairwiseOnDemand]: 420/479 looper letters, 18 selfloop transitions, 2 changer transitions 5/392 dead transitions. [2023-11-26 10:43:32,861 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 392 transitions, 842 flow [2023-11-26 10:43:32,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1274 transitions. [2023-11-26 10:43:32,888 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8865692414752957 [2023-11-26 10:43:32,889 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1274 transitions. [2023-11-26 10:43:32,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1274 transitions. [2023-11-26 10:43:32,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:32,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1274 transitions. [2023-11-26 10:43:32,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:32,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:32,923 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:32,926 INFO L175 Difference]: Start difference. First operand has 441 places, 449 transitions, 916 flow. Second operand 3 states and 1274 transitions. [2023-11-26 10:43:32,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 392 transitions, 842 flow [2023-11-26 10:43:32,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 392 transitions, 830 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-26 10:43:32,955 INFO L231 Difference]: Finished difference. Result has 392 places, 387 transitions, 784 flow [2023-11-26 10:43:32,958 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=392, PETRI_TRANSITIONS=387} [2023-11-26 10:43:32,963 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -49 predicate places. [2023-11-26 10:43:32,964 INFO L495 AbstractCegarLoop]: Abstraction has has 392 places, 387 transitions, 784 flow [2023-11-26 10:43:32,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 400.3333333333333) internal successors, (1201), 3 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:32,966 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:32,966 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:32,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:43:32,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:32,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:32,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1980121765, now seen corresponding path program 1 times [2023-11-26 10:43:32,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:32,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533405837] [2023-11-26 10:43:32,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:32,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:33,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:33,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533405837] [2023-11-26 10:43:33,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533405837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:33,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:33,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:33,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820089057] [2023-11-26 10:43:33,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:33,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:33,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:33,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:33,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:33,177 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 479 [2023-11-26 10:43:33,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 387 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:33,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:33,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 479 [2023-11-26 10:43:33,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:33,644 INFO L124 PetriNetUnfolderBase]: 86/1213 cut-off events. [2023-11-26 10:43:33,644 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-26 10:43:33,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1367 conditions, 1213 events. 86/1213 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6760 event pairs, 51 based on Foata normal form. 0/988 useless extension candidates. Maximal degree in co-relation 1328. Up to 131 conditions per place. [2023-11-26 10:43:33,663 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 17 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2023-11-26 10:43:33,664 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 386 transitions, 820 flow [2023-11-26 10:43:33,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:33,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:33,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2023-11-26 10:43:33,670 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.848990953375087 [2023-11-26 10:43:33,671 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2023-11-26 10:43:33,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2023-11-26 10:43:33,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:33,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2023-11-26 10:43:33,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:33,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:33,689 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:33,689 INFO L175 Difference]: Start difference. First operand has 392 places, 387 transitions, 784 flow. Second operand 3 states and 1220 transitions. [2023-11-26 10:43:33,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 386 transitions, 820 flow [2023-11-26 10:43:33,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 386 transitions, 816 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:33,706 INFO L231 Difference]: Finished difference. Result has 386 places, 386 transitions, 782 flow [2023-11-26 10:43:33,708 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=386, PETRI_TRANSITIONS=386} [2023-11-26 10:43:33,713 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -55 predicate places. [2023-11-26 10:43:33,713 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 386 transitions, 782 flow [2023-11-26 10:43:33,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.3333333333333) internal successors, (1204), 3 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:33,715 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:33,716 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:33,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:43:33,717 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:33,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:33,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1696282269, now seen corresponding path program 1 times [2023-11-26 10:43:33,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:33,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791444754] [2023-11-26 10:43:33,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:33,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:33,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:33,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791444754] [2023-11-26 10:43:33,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791444754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:33,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:33,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:33,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010184856] [2023-11-26 10:43:33,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:33,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:33,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:33,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:33,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:33,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-26 10:43:33,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 386 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:33,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:33,934 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-26 10:43:33,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:34,337 INFO L124 PetriNetUnfolderBase]: 59/974 cut-off events. [2023-11-26 10:43:34,338 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-26 10:43:34,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 974 events. 59/974 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4924 event pairs, 38 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 1036. Up to 90 conditions per place. [2023-11-26 10:43:34,351 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/385 dead transitions. [2023-11-26 10:43:34,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 385 transitions, 814 flow [2023-11-26 10:43:34,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:34,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2023-11-26 10:43:34,356 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8517745302713987 [2023-11-26 10:43:34,357 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2023-11-26 10:43:34,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2023-11-26 10:43:34,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:34,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2023-11-26 10:43:34,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,371 INFO L175 Difference]: Start difference. First operand has 386 places, 386 transitions, 782 flow. Second operand 3 states and 1224 transitions. [2023-11-26 10:43:34,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 385 transitions, 814 flow [2023-11-26 10:43:34,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 385 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:34,382 INFO L231 Difference]: Finished difference. Result has 385 places, 385 transitions, 780 flow [2023-11-26 10:43:34,383 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=385, PETRI_TRANSITIONS=385} [2023-11-26 10:43:34,384 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -56 predicate places. [2023-11-26 10:43:34,384 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 385 transitions, 780 flow [2023-11-26 10:43:34,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,386 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:34,386 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:34,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:43:34,387 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:34,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:34,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1176373652, now seen corresponding path program 1 times [2023-11-26 10:43:34,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:34,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799066919] [2023-11-26 10:43:34,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:34,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:34,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:34,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799066919] [2023-11-26 10:43:34,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799066919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:34,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:34,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:34,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83554738] [2023-11-26 10:43:34,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:34,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:34,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:34,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:34,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:34,472 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-26 10:43:34,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 385 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:34,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-26 10:43:34,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:34,764 INFO L124 PetriNetUnfolderBase]: 59/973 cut-off events. [2023-11-26 10:43:34,764 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-26 10:43:34,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1082 conditions, 973 events. 59/973 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4912 event pairs, 38 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 1027. Up to 90 conditions per place. [2023-11-26 10:43:34,779 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/384 dead transitions. [2023-11-26 10:43:34,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 384 transitions, 812 flow [2023-11-26 10:43:34,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:34,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2023-11-26 10:43:34,785 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8517745302713987 [2023-11-26 10:43:34,785 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2023-11-26 10:43:34,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2023-11-26 10:43:34,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:34,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2023-11-26 10:43:34,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,802 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,802 INFO L175 Difference]: Start difference. First operand has 385 places, 385 transitions, 780 flow. Second operand 3 states and 1224 transitions. [2023-11-26 10:43:34,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 384 transitions, 812 flow [2023-11-26 10:43:34,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 384 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:34,815 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 778 flow [2023-11-26 10:43:34,816 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=384, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2023-11-26 10:43:34,818 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -57 predicate places. [2023-11-26 10:43:34,819 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 778 flow [2023-11-26 10:43:34,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,821 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:34,821 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:34,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:43:34,821 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:34,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:34,822 INFO L85 PathProgramCache]: Analyzing trace with hash 623520068, now seen corresponding path program 1 times [2023-11-26 10:43:34,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:34,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087885763] [2023-11-26 10:43:34,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:34,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:34,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:34,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087885763] [2023-11-26 10:43:34,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087885763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:34,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:34,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:34,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029673972] [2023-11-26 10:43:34,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:34,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:34,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:34,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:34,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:34,967 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-26 10:43:34,970 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:34,970 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:34,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-26 10:43:34,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:35,253 INFO L124 PetriNetUnfolderBase]: 59/972 cut-off events. [2023-11-26 10:43:35,253 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-26 10:43:35,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 972 events. 59/972 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4951 event pairs, 38 based on Foata normal form. 0/819 useless extension candidates. Maximal degree in co-relation 1018. Up to 90 conditions per place. [2023-11-26 10:43:35,267 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2023-11-26 10:43:35,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 383 transitions, 810 flow [2023-11-26 10:43:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:35,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2023-11-26 10:43:35,274 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8517745302713987 [2023-11-26 10:43:35,274 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2023-11-26 10:43:35,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2023-11-26 10:43:35,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:35,276 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2023-11-26 10:43:35,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:35,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:35,288 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:35,289 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 778 flow. Second operand 3 states and 1224 transitions. [2023-11-26 10:43:35,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 383 transitions, 810 flow [2023-11-26 10:43:35,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 383 transitions, 806 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:35,300 INFO L231 Difference]: Finished difference. Result has 383 places, 383 transitions, 776 flow [2023-11-26 10:43:35,301 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=383, PETRI_TRANSITIONS=383} [2023-11-26 10:43:35,302 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -58 predicate places. [2023-11-26 10:43:35,302 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 383 transitions, 776 flow [2023-11-26 10:43:35,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:35,304 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:35,304 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:35,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:43:35,305 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:35,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:35,306 INFO L85 PathProgramCache]: Analyzing trace with hash -929552811, now seen corresponding path program 1 times [2023-11-26 10:43:35,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:35,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346770705] [2023-11-26 10:43:35,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:35,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:35,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:35,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346770705] [2023-11-26 10:43:35,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346770705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:35,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:35,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:35,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896708512] [2023-11-26 10:43:35,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:35,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:35,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:35,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:35,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:35,382 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 479 [2023-11-26 10:43:35,385 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 383 transitions, 776 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:35,386 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:35,386 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 479 [2023-11-26 10:43:35,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:35,669 INFO L124 PetriNetUnfolderBase]: 56/850 cut-off events. [2023-11-26 10:43:35,669 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-26 10:43:35,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 959 conditions, 850 events. 56/850 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3727 event pairs, 7 based on Foata normal form. 0/723 useless extension candidates. Maximal degree in co-relation 888. Up to 69 conditions per place. [2023-11-26 10:43:35,692 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 18 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2023-11-26 10:43:35,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 388 transitions, 828 flow [2023-11-26 10:43:35,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:35,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:35,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1239 transitions. [2023-11-26 10:43:35,698 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8622129436325678 [2023-11-26 10:43:35,699 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1239 transitions. [2023-11-26 10:43:35,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1239 transitions. [2023-11-26 10:43:35,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:35,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1239 transitions. [2023-11-26 10:43:35,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:35,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:35,714 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:35,715 INFO L175 Difference]: Start difference. First operand has 383 places, 383 transitions, 776 flow. Second operand 3 states and 1239 transitions. [2023-11-26 10:43:35,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 388 transitions, 828 flow [2023-11-26 10:43:35,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 388 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:35,728 INFO L231 Difference]: Finished difference. Result has 383 places, 383 transitions, 780 flow [2023-11-26 10:43:35,729 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=383, PETRI_TRANSITIONS=383} [2023-11-26 10:43:35,733 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -58 predicate places. [2023-11-26 10:43:35,734 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 383 transitions, 780 flow [2023-11-26 10:43:35,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:35,737 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:35,737 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:35,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 10:43:35,738 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:35,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:35,738 INFO L85 PathProgramCache]: Analyzing trace with hash -615494410, now seen corresponding path program 1 times [2023-11-26 10:43:35,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:35,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161457438] [2023-11-26 10:43:35,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:35,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:35,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:35,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:35,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161457438] [2023-11-26 10:43:35,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161457438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:35,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:35,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:35,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712924461] [2023-11-26 10:43:35,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:35,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:35,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:35,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:35,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:35,852 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-26 10:43:35,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 383 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:35,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:35,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-26 10:43:35,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:36,107 INFO L124 PetriNetUnfolderBase]: 59/976 cut-off events. [2023-11-26 10:43:36,108 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-26 10:43:36,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1120 conditions, 976 events. 59/976 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4978 event pairs, 38 based on Foata normal form. 0/825 useless extension candidates. Maximal degree in co-relation 422. Up to 92 conditions per place. [2023-11-26 10:43:36,122 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 15 selfloop transitions, 2 changer transitions 0/382 dead transitions. [2023-11-26 10:43:36,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 382 transitions, 812 flow [2023-11-26 10:43:36,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:36,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-26 10:43:36,128 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-26 10:43:36,128 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-26 10:43:36,129 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-26 10:43:36,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:36,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-26 10:43:36,134 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:36,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:36,140 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:36,141 INFO L175 Difference]: Start difference. First operand has 383 places, 383 transitions, 780 flow. Second operand 3 states and 1226 transitions. [2023-11-26 10:43:36,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 382 transitions, 812 flow [2023-11-26 10:43:36,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 382 transitions, 810 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:43:36,152 INFO L231 Difference]: Finished difference. Result has 383 places, 382 transitions, 780 flow [2023-11-26 10:43:36,153 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=780, PETRI_PLACES=383, PETRI_TRANSITIONS=382} [2023-11-26 10:43:36,154 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -58 predicate places. [2023-11-26 10:43:36,154 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 382 transitions, 780 flow [2023-11-26 10:43:36,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:36,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:36,156 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:36,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 10:43:36,157 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:36,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:36,158 INFO L85 PathProgramCache]: Analyzing trace with hash -862750518, now seen corresponding path program 1 times [2023-11-26 10:43:36,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:36,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155604433] [2023-11-26 10:43:36,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:36,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:36,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:36,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155604433] [2023-11-26 10:43:36,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155604433] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:36,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:36,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:36,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091886765] [2023-11-26 10:43:36,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:36,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:36,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:36,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:36,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:36,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-26 10:43:36,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 382 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:36,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:36,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-26 10:43:36,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:36,514 INFO L124 PetriNetUnfolderBase]: 59/975 cut-off events. [2023-11-26 10:43:36,514 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2023-11-26 10:43:36,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 975 events. 59/975 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 4991 event pairs, 38 based on Foata normal form. 0/825 useless extension candidates. Maximal degree in co-relation 1031. Up to 93 conditions per place. [2023-11-26 10:43:36,527 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 16 selfloop transitions, 2 changer transitions 0/381 dead transitions. [2023-11-26 10:43:36,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 381 transitions, 814 flow [2023-11-26 10:43:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:36,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1224 transitions. [2023-11-26 10:43:36,532 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8517745302713987 [2023-11-26 10:43:36,532 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1224 transitions. [2023-11-26 10:43:36,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1224 transitions. [2023-11-26 10:43:36,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:36,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1224 transitions. [2023-11-26 10:43:36,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.0) internal successors, (1224), 3 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:36,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:36,543 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:36,543 INFO L175 Difference]: Start difference. First operand has 383 places, 382 transitions, 780 flow. Second operand 3 states and 1224 transitions. [2023-11-26 10:43:36,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 381 transitions, 814 flow [2023-11-26 10:43:36,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 381 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:36,553 INFO L231 Difference]: Finished difference. Result has 382 places, 381 transitions, 778 flow [2023-11-26 10:43:36,554 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=382, PETRI_TRANSITIONS=381} [2023-11-26 10:43:36,558 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -59 predicate places. [2023-11-26 10:43:36,558 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 381 transitions, 778 flow [2023-11-26 10:43:36,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:36,560 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:36,560 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:36,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 10:43:36,560 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:36,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:36,565 INFO L85 PathProgramCache]: Analyzing trace with hash -206222175, now seen corresponding path program 1 times [2023-11-26 10:43:36,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:36,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718906755] [2023-11-26 10:43:36,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:36,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:36,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:36,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718906755] [2023-11-26 10:43:36,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718906755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:36,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:36,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:36,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299618609] [2023-11-26 10:43:36,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:36,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:36,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:36,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:36,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:36,701 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 479 [2023-11-26 10:43:36,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 381 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:36,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:36,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 479 [2023-11-26 10:43:36,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:37,008 INFO L124 PetriNetUnfolderBase]: 66/1047 cut-off events. [2023-11-26 10:43:37,008 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-26 10:43:37,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1193 conditions, 1047 events. 66/1047 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5399 event pairs, 20 based on Foata normal form. 0/883 useless extension candidates. Maximal degree in co-relation 1105. Up to 54 conditions per place. [2023-11-26 10:43:37,023 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 21 selfloop transitions, 2 changer transitions 0/388 dead transitions. [2023-11-26 10:43:37,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 388 transitions, 844 flow [2023-11-26 10:43:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:37,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1240 transitions. [2023-11-26 10:43:37,029 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8629088378566457 [2023-11-26 10:43:37,029 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1240 transitions. [2023-11-26 10:43:37,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1240 transitions. [2023-11-26 10:43:37,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:37,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1240 transitions. [2023-11-26 10:43:37,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,052 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,052 INFO L175 Difference]: Start difference. First operand has 382 places, 381 transitions, 778 flow. Second operand 3 states and 1240 transitions. [2023-11-26 10:43:37,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 388 transitions, 844 flow [2023-11-26 10:43:37,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 388 transitions, 840 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:37,065 INFO L231 Difference]: Finished difference. Result has 382 places, 381 transitions, 782 flow [2023-11-26 10:43:37,066 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=382, PETRI_TRANSITIONS=381} [2023-11-26 10:43:37,067 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -59 predicate places. [2023-11-26 10:43:37,067 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 381 transitions, 782 flow [2023-11-26 10:43:37,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,068 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:37,068 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:37,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 10:43:37,069 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:37,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:37,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1274217567, now seen corresponding path program 1 times [2023-11-26 10:43:37,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:37,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125709518] [2023-11-26 10:43:37,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:37,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:37,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:37,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125709518] [2023-11-26 10:43:37,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125709518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:37,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:37,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:37,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016144323] [2023-11-26 10:43:37,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:37,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:37,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:37,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:37,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:37,162 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-26 10:43:37,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 381 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:37,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-26 10:43:37,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:37,501 INFO L124 PetriNetUnfolderBase]: 66/992 cut-off events. [2023-11-26 10:43:37,501 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2023-11-26 10:43:37,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1179 conditions, 992 events. 66/992 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5094 event pairs, 38 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 655. Up to 105 conditions per place. [2023-11-26 10:43:37,519 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 16 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2023-11-26 10:43:37,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 380 transitions, 816 flow [2023-11-26 10:43:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-26 10:43:37,526 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-26 10:43:37,526 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-26 10:43:37,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-26 10:43:37,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:37,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-26 10:43:37,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,539 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,539 INFO L175 Difference]: Start difference. First operand has 382 places, 381 transitions, 782 flow. Second operand 3 states and 1226 transitions. [2023-11-26 10:43:37,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 380 transitions, 816 flow [2023-11-26 10:43:37,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 380 transitions, 814 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:43:37,552 INFO L231 Difference]: Finished difference. Result has 382 places, 380 transitions, 782 flow [2023-11-26 10:43:37,553 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=382, PETRI_TRANSITIONS=380} [2023-11-26 10:43:37,554 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -59 predicate places. [2023-11-26 10:43:37,555 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 380 transitions, 782 flow [2023-11-26 10:43:37,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,556 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:37,556 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:37,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 10:43:37,556 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:37,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:37,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1296096532, now seen corresponding path program 1 times [2023-11-26 10:43:37,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:37,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659738217] [2023-11-26 10:43:37,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:37,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:37,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:37,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:37,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659738217] [2023-11-26 10:43:37,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659738217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:37,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:37,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:37,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817192243] [2023-11-26 10:43:37,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:37,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:37,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:37,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:37,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:37,620 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 479 [2023-11-26 10:43:37,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 380 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:37,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 479 [2023-11-26 10:43:37,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:37,880 INFO L124 PetriNetUnfolderBase]: 66/991 cut-off events. [2023-11-26 10:43:37,880 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-26 10:43:37,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1165 conditions, 991 events. 66/991 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5094 event pairs, 38 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 1068. Up to 103 conditions per place. [2023-11-26 10:43:37,895 INFO L140 encePairwiseOnDemand]: 477/479 looper letters, 15 selfloop transitions, 1 changer transitions 0/379 dead transitions. [2023-11-26 10:43:37,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 379 transitions, 812 flow [2023-11-26 10:43:37,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:37,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2023-11-26 10:43:37,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8580375782881002 [2023-11-26 10:43:37,901 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1233 transitions. [2023-11-26 10:43:37,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1233 transitions. [2023-11-26 10:43:37,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:37,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1233 transitions. [2023-11-26 10:43:37,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,912 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,912 INFO L175 Difference]: Start difference. First operand has 382 places, 380 transitions, 782 flow. Second operand 3 states and 1233 transitions. [2023-11-26 10:43:37,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 379 transitions, 812 flow [2023-11-26 10:43:37,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 379 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:37,923 INFO L231 Difference]: Finished difference. Result has 381 places, 379 transitions, 778 flow [2023-11-26 10:43:37,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=778, PETRI_PLACES=381, PETRI_TRANSITIONS=379} [2023-11-26 10:43:37,924 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -60 predicate places. [2023-11-26 10:43:37,925 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 379 transitions, 778 flow [2023-11-26 10:43:37,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:37,926 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:37,926 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:37,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 10:43:37,927 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:37,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:37,927 INFO L85 PathProgramCache]: Analyzing trace with hash 394679387, now seen corresponding path program 1 times [2023-11-26 10:43:37,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:37,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866164703] [2023-11-26 10:43:37,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:37,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:37,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:37,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866164703] [2023-11-26 10:43:37,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866164703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:37,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:37,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:37,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926477321] [2023-11-26 10:43:37,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:37,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:37,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:37,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:37,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:38,004 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-26 10:43:38,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 379 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:38,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:38,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-26 10:43:38,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:38,265 INFO L124 PetriNetUnfolderBase]: 66/990 cut-off events. [2023-11-26 10:43:38,266 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-26 10:43:38,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1165 conditions, 990 events. 66/990 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5088 event pairs, 38 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 1068. Up to 105 conditions per place. [2023-11-26 10:43:38,281 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 16 selfloop transitions, 2 changer transitions 0/378 dead transitions. [2023-11-26 10:43:38,282 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 378 transitions, 812 flow [2023-11-26 10:43:38,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:38,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-26 10:43:38,287 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-26 10:43:38,288 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-26 10:43:38,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-26 10:43:38,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:38,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-26 10:43:38,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:38,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:38,298 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:38,299 INFO L175 Difference]: Start difference. First operand has 381 places, 379 transitions, 778 flow. Second operand 3 states and 1226 transitions. [2023-11-26 10:43:38,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 378 transitions, 812 flow [2023-11-26 10:43:38,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 378 transitions, 811 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:43:38,309 INFO L231 Difference]: Finished difference. Result has 381 places, 378 transitions, 779 flow [2023-11-26 10:43:38,310 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=775, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=779, PETRI_PLACES=381, PETRI_TRANSITIONS=378} [2023-11-26 10:43:38,311 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -60 predicate places. [2023-11-26 10:43:38,311 INFO L495 AbstractCegarLoop]: Abstraction has has 381 places, 378 transitions, 779 flow [2023-11-26 10:43:38,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:38,312 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:38,313 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:38,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 10:43:38,313 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:38,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:38,314 INFO L85 PathProgramCache]: Analyzing trace with hash -477710980, now seen corresponding path program 1 times [2023-11-26 10:43:38,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:38,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195966198] [2023-11-26 10:43:38,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:38,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:38,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:38,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195966198] [2023-11-26 10:43:38,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195966198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:38,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:38,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:43:38,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611741530] [2023-11-26 10:43:38,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:38,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:43:38,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:38,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:43:38,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:43:39,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 479 [2023-11-26 10:43:39,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 378 transitions, 779 flow. Second operand has 6 states, 6 states have (on average 371.5) internal successors, (2229), 6 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:39,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:39,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 479 [2023-11-26 10:43:39,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:39,797 INFO L124 PetriNetUnfolderBase]: 314/1446 cut-off events. [2023-11-26 10:43:39,798 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2023-11-26 10:43:39,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2164 conditions, 1446 events. 314/1446 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 8831 event pairs, 202 based on Foata normal form. 0/1162 useless extension candidates. Maximal degree in co-relation 2068. Up to 470 conditions per place. [2023-11-26 10:43:39,820 INFO L140 encePairwiseOnDemand]: 467/479 looper letters, 41 selfloop transitions, 10 changer transitions 0/376 dead transitions. [2023-11-26 10:43:39,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 376 transitions, 877 flow [2023-11-26 10:43:39,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:43:39,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:43:39,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2271 transitions. [2023-11-26 10:43:39,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7901878914405011 [2023-11-26 10:43:39,829 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2271 transitions. [2023-11-26 10:43:39,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2271 transitions. [2023-11-26 10:43:39,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:39,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2271 transitions. [2023-11-26 10:43:39,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 378.5) internal successors, (2271), 6 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:39,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:39,846 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:39,846 INFO L175 Difference]: Start difference. First operand has 381 places, 378 transitions, 779 flow. Second operand 6 states and 2271 transitions. [2023-11-26 10:43:39,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 376 transitions, 877 flow [2023-11-26 10:43:39,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 376 transitions, 873 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:39,857 INFO L231 Difference]: Finished difference. Result has 382 places, 376 transitions, 791 flow [2023-11-26 10:43:39,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=791, PETRI_PLACES=382, PETRI_TRANSITIONS=376} [2023-11-26 10:43:39,859 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -59 predicate places. [2023-11-26 10:43:39,859 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 376 transitions, 791 flow [2023-11-26 10:43:39,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 371.5) internal successors, (2229), 6 states have internal predecessors, (2229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:39,860 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:39,861 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:39,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 10:43:39,861 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:39,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:39,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1939166804, now seen corresponding path program 1 times [2023-11-26 10:43:39,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:39,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442998345] [2023-11-26 10:43:39,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:39,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:39,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:39,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:39,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442998345] [2023-11-26 10:43:39,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442998345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:39,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:39,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:39,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120419620] [2023-11-26 10:43:39,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:39,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:39,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:39,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:39,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:39,944 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 479 [2023-11-26 10:43:39,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 376 transitions, 791 flow. Second operand has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:39,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:39,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 479 [2023-11-26 10:43:39,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:40,157 INFO L124 PetriNetUnfolderBase]: 66/987 cut-off events. [2023-11-26 10:43:40,158 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-26 10:43:40,165 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1170 conditions, 987 events. 66/987 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5080 event pairs, 38 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 1135. Up to 103 conditions per place. [2023-11-26 10:43:40,170 INFO L140 encePairwiseOnDemand]: 477/479 looper letters, 15 selfloop transitions, 1 changer transitions 0/375 dead transitions. [2023-11-26 10:43:40,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 375 transitions, 821 flow [2023-11-26 10:43:40,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:40,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:40,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1233 transitions. [2023-11-26 10:43:40,176 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8580375782881002 [2023-11-26 10:43:40,176 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1233 transitions. [2023-11-26 10:43:40,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1233 transitions. [2023-11-26 10:43:40,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:40,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1233 transitions. [2023-11-26 10:43:40,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:40,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:40,184 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:40,184 INFO L175 Difference]: Start difference. First operand has 382 places, 376 transitions, 791 flow. Second operand 3 states and 1233 transitions. [2023-11-26 10:43:40,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 375 transitions, 821 flow [2023-11-26 10:43:40,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 375 transitions, 801 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 10:43:40,194 INFO L231 Difference]: Finished difference. Result has 378 places, 375 transitions, 771 flow [2023-11-26 10:43:40,195 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=771, PETRI_PLACES=378, PETRI_TRANSITIONS=375} [2023-11-26 10:43:40,196 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -63 predicate places. [2023-11-26 10:43:40,196 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 375 transitions, 771 flow [2023-11-26 10:43:40,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.0) internal successors, (1221), 3 states have internal predecessors, (1221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:40,197 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:40,197 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:40,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 10:43:40,198 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:40,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:40,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1387000607, now seen corresponding path program 1 times [2023-11-26 10:43:40,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:40,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721377949] [2023-11-26 10:43:40,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:40,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:40,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:40,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721377949] [2023-11-26 10:43:40,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721377949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:40,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:40,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:40,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445865827] [2023-11-26 10:43:40,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:40,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:40,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:40,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:40,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:40,296 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-26 10:43:40,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 375 transitions, 771 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:40,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:40,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-26 10:43:40,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:40,564 INFO L124 PetriNetUnfolderBase]: 66/986 cut-off events. [2023-11-26 10:43:40,564 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-26 10:43:40,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1162 conditions, 986 events. 66/986 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5099 event pairs, 38 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 1065. Up to 105 conditions per place. [2023-11-26 10:43:40,577 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 16 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2023-11-26 10:43:40,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 374 transitions, 805 flow [2023-11-26 10:43:40,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:40,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-26 10:43:40,583 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-26 10:43:40,583 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-26 10:43:40,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-26 10:43:40,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:40,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-26 10:43:40,589 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:40,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:40,594 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:40,594 INFO L175 Difference]: Start difference. First operand has 378 places, 375 transitions, 771 flow. Second operand 3 states and 1226 transitions. [2023-11-26 10:43:40,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 374 transitions, 805 flow [2023-11-26 10:43:40,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 374 transitions, 804 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:43:40,607 INFO L231 Difference]: Finished difference. Result has 378 places, 374 transitions, 772 flow [2023-11-26 10:43:40,608 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=772, PETRI_PLACES=378, PETRI_TRANSITIONS=374} [2023-11-26 10:43:40,610 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -63 predicate places. [2023-11-26 10:43:40,610 INFO L495 AbstractCegarLoop]: Abstraction has has 378 places, 374 transitions, 772 flow [2023-11-26 10:43:40,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:40,611 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:40,611 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:40,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 10:43:40,612 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:40,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:40,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1772714159, now seen corresponding path program 1 times [2023-11-26 10:43:40,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:40,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671797491] [2023-11-26 10:43:40,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:40,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:40,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:40,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:40,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671797491] [2023-11-26 10:43:40,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671797491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:40,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:40,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:40,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049770354] [2023-11-26 10:43:40,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:40,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:40,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:40,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:40,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:40,723 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 479 [2023-11-26 10:43:40,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 374 transitions, 772 flow. Second operand has 3 states, 3 states have (on average 401.0) internal successors, (1203), 3 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:40,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:40,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 479 [2023-11-26 10:43:40,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:41,045 INFO L124 PetriNetUnfolderBase]: 113/1358 cut-off events. [2023-11-26 10:43:41,045 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2023-11-26 10:43:41,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1634 conditions, 1358 events. 113/1358 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 8305 event pairs, 64 based on Foata normal form. 1/1115 useless extension candidates. Maximal degree in co-relation 1537. Up to 171 conditions per place. [2023-11-26 10:43:41,063 INFO L140 encePairwiseOnDemand]: 475/479 looper letters, 17 selfloop transitions, 1 changer transitions 2/371 dead transitions. [2023-11-26 10:43:41,064 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 371 transitions, 804 flow [2023-11-26 10:43:41,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:41,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2023-11-26 10:43:41,069 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.848990953375087 [2023-11-26 10:43:41,070 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2023-11-26 10:43:41,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2023-11-26 10:43:41,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:41,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2023-11-26 10:43:41,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:41,079 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:41,080 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:41,081 INFO L175 Difference]: Start difference. First operand has 378 places, 374 transitions, 772 flow. Second operand 3 states and 1220 transitions. [2023-11-26 10:43:41,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 371 transitions, 804 flow [2023-11-26 10:43:41,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 371 transitions, 800 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:41,092 INFO L231 Difference]: Finished difference. Result has 375 places, 369 transitions, 760 flow [2023-11-26 10:43:41,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=760, PETRI_PLACES=375, PETRI_TRANSITIONS=369} [2023-11-26 10:43:41,093 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -66 predicate places. [2023-11-26 10:43:41,093 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 369 transitions, 760 flow [2023-11-26 10:43:41,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.0) internal successors, (1203), 3 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:41,096 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:41,097 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:41,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 10:43:41,097 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:41,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:41,098 INFO L85 PathProgramCache]: Analyzing trace with hash -719249745, now seen corresponding path program 1 times [2023-11-26 10:43:41,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:41,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710915337] [2023-11-26 10:43:41,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:41,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:41,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:41,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710915337] [2023-11-26 10:43:41,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710915337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:41,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:41,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:41,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157790583] [2023-11-26 10:43:41,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:41,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:41,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:41,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:41,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:41,222 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 479 [2023-11-26 10:43:41,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 369 transitions, 760 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:41,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:41,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 479 [2023-11-26 10:43:41,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:41,637 INFO L124 PetriNetUnfolderBase]: 198/1561 cut-off events. [2023-11-26 10:43:41,638 INFO L125 PetriNetUnfolderBase]: For 129/129 co-relation queries the response was YES. [2023-11-26 10:43:41,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2025 conditions, 1561 events. 198/1561 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 10324 event pairs, 64 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 1929. Up to 178 conditions per place. [2023-11-26 10:43:41,658 INFO L140 encePairwiseOnDemand]: 470/479 looper letters, 25 selfloop transitions, 5 changer transitions 0/372 dead transitions. [2023-11-26 10:43:41,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 372 transitions, 836 flow [2023-11-26 10:43:41,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:41,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1218 transitions. [2023-11-26 10:43:41,664 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8475991649269311 [2023-11-26 10:43:41,665 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1218 transitions. [2023-11-26 10:43:41,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1218 transitions. [2023-11-26 10:43:41,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:41,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1218 transitions. [2023-11-26 10:43:41,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:41,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:41,675 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:41,675 INFO L175 Difference]: Start difference. First operand has 375 places, 369 transitions, 760 flow. Second operand 3 states and 1218 transitions. [2023-11-26 10:43:41,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 372 transitions, 836 flow [2023-11-26 10:43:41,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 370 places, 372 transitions, 835 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:43:41,686 INFO L231 Difference]: Finished difference. Result has 370 places, 365 transitions, 761 flow [2023-11-26 10:43:41,687 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=751, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=761, PETRI_PLACES=370, PETRI_TRANSITIONS=365} [2023-11-26 10:43:41,688 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -71 predicate places. [2023-11-26 10:43:41,688 INFO L495 AbstractCegarLoop]: Abstraction has has 370 places, 365 transitions, 761 flow [2023-11-26 10:43:41,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:41,689 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:41,689 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:41,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 10:43:41,689 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:41,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:41,690 INFO L85 PathProgramCache]: Analyzing trace with hash 290788946, now seen corresponding path program 1 times [2023-11-26 10:43:41,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:41,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346000072] [2023-11-26 10:43:41,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:41,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:41,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:41,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:41,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346000072] [2023-11-26 10:43:41,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346000072] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:41,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:41,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:41,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096232353] [2023-11-26 10:43:41,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:41,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:41,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:41,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:41,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:41,794 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 479 [2023-11-26 10:43:41,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 365 transitions, 761 flow. Second operand has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:41,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:41,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 479 [2023-11-26 10:43:41,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:42,518 INFO L124 PetriNetUnfolderBase]: 490/2542 cut-off events. [2023-11-26 10:43:42,519 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2023-11-26 10:43:42,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3557 conditions, 2542 events. 490/2542 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 19667 event pairs, 104 based on Foata normal form. 0/2216 useless extension candidates. Maximal degree in co-relation 3460. Up to 661 conditions per place. [2023-11-26 10:43:42,551 INFO L140 encePairwiseOnDemand]: 471/479 looper letters, 29 selfloop transitions, 4 changer transitions 0/372 dead transitions. [2023-11-26 10:43:42,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 372 transitions, 847 flow [2023-11-26 10:43:42,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:42,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-26 10:43:42,557 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-26 10:43:42,557 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-26 10:43:42,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-26 10:43:42,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:42,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-26 10:43:42,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:42,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:42,567 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:42,568 INFO L175 Difference]: Start difference. First operand has 370 places, 365 transitions, 761 flow. Second operand 3 states and 1226 transitions. [2023-11-26 10:43:42,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 372 transitions, 847 flow [2023-11-26 10:43:42,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 372 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:42,577 INFO L231 Difference]: Finished difference. Result has 367 places, 365 transitions, 771 flow [2023-11-26 10:43:42,578 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=743, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=771, PETRI_PLACES=367, PETRI_TRANSITIONS=365} [2023-11-26 10:43:42,579 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -74 predicate places. [2023-11-26 10:43:42,579 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 365 transitions, 771 flow [2023-11-26 10:43:42,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.6666666666667) internal successors, (1196), 3 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:42,580 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:42,580 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:42,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 10:43:42,580 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:42,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:42,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1561505489, now seen corresponding path program 1 times [2023-11-26 10:43:42,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:42,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373140567] [2023-11-26 10:43:42,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:42,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:42,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:42,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373140567] [2023-11-26 10:43:42,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373140567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:42,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:42,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:42,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470390485] [2023-11-26 10:43:42,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:42,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:42,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:42,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:42,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:42,675 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-26 10:43:42,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 365 transitions, 771 flow. Second operand has 3 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:42,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:42,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-26 10:43:42,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:43,220 INFO L124 PetriNetUnfolderBase]: 454/2091 cut-off events. [2023-11-26 10:43:43,221 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2023-11-26 10:43:43,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3062 conditions, 2091 events. 454/2091 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 15576 event pairs, 165 based on Foata normal form. 0/1766 useless extension candidates. Maximal degree in co-relation 2966. Up to 504 conditions per place. [2023-11-26 10:43:43,248 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 23 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2023-11-26 10:43:43,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 370 transitions, 837 flow [2023-11-26 10:43:43,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2023-11-26 10:43:43,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8573416840640222 [2023-11-26 10:43:43,253 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2023-11-26 10:43:43,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2023-11-26 10:43:43,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:43,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2023-11-26 10:43:43,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:43,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:43,262 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:43,262 INFO L175 Difference]: Start difference. First operand has 367 places, 365 transitions, 771 flow. Second operand 3 states and 1232 transitions. [2023-11-26 10:43:43,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 370 transitions, 837 flow [2023-11-26 10:43:43,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 370 transitions, 837 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 10:43:43,270 INFO L231 Difference]: Finished difference. Result has 368 places, 364 transitions, 773 flow [2023-11-26 10:43:43,271 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=773, PETRI_PLACES=368, PETRI_TRANSITIONS=364} [2023-11-26 10:43:43,272 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -73 predicate places. [2023-11-26 10:43:43,272 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 364 transitions, 773 flow [2023-11-26 10:43:43,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:43,273 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:43,273 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:43,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 10:43:43,273 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:43,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:43,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1664780937, now seen corresponding path program 1 times [2023-11-26 10:43:43,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:43,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748407114] [2023-11-26 10:43:43,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:43,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:43,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:43,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748407114] [2023-11-26 10:43:43,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748407114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:43,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:43,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:43,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181243131] [2023-11-26 10:43:43,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:43,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:43,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:43,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:43,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:43,385 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 479 [2023-11-26 10:43:43,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 364 transitions, 773 flow. Second operand has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:43,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:43,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 479 [2023-11-26 10:43:43,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:44,135 INFO L124 PetriNetUnfolderBase]: 383/2636 cut-off events. [2023-11-26 10:43:44,135 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2023-11-26 10:43:44,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3565 conditions, 2636 events. 383/2636 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 21352 event pairs, 165 based on Foata normal form. 0/2208 useless extension candidates. Maximal degree in co-relation 3468. Up to 414 conditions per place. [2023-11-26 10:43:44,174 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 27 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2023-11-26 10:43:44,174 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 370 transitions, 853 flow [2023-11-26 10:43:44,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:44,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:44,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-26 10:43:44,180 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-26 10:43:44,180 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-26 10:43:44,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-26 10:43:44,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:44,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-26 10:43:44,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:44,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:44,190 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:44,191 INFO L175 Difference]: Start difference. First operand has 368 places, 364 transitions, 773 flow. Second operand 3 states and 1226 transitions. [2023-11-26 10:43:44,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 370 transitions, 853 flow [2023-11-26 10:43:44,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 370 transitions, 849 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:44,202 INFO L231 Difference]: Finished difference. Result has 367 places, 363 transitions, 771 flow [2023-11-26 10:43:44,203 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=365, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=771, PETRI_PLACES=367, PETRI_TRANSITIONS=363} [2023-11-26 10:43:44,203 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -74 predicate places. [2023-11-26 10:43:44,204 INFO L495 AbstractCegarLoop]: Abstraction has has 367 places, 363 transitions, 771 flow [2023-11-26 10:43:44,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:44,204 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:44,205 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:44,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-26 10:43:44,205 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:44,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:44,206 INFO L85 PathProgramCache]: Analyzing trace with hash 770539429, now seen corresponding path program 1 times [2023-11-26 10:43:44,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:44,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65080467] [2023-11-26 10:43:44,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:44,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:44,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:44,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:44,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65080467] [2023-11-26 10:43:44,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65080467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:44,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:44,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:44,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914357272] [2023-11-26 10:43:44,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:44,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:44,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:44,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:44,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:44,332 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 479 [2023-11-26 10:43:44,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 363 transitions, 771 flow. Second operand has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:44,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:44,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 479 [2023-11-26 10:43:44,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:45,102 INFO L124 PetriNetUnfolderBase]: 368/2738 cut-off events. [2023-11-26 10:43:45,103 INFO L125 PetriNetUnfolderBase]: For 219/225 co-relation queries the response was YES. [2023-11-26 10:43:45,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3657 conditions, 2738 events. 368/2738 cut-off events. For 219/225 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 23072 event pairs, 168 based on Foata normal form. 1/2307 useless extension candidates. Maximal degree in co-relation 3560. Up to 407 conditions per place. [2023-11-26 10:43:45,141 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 27 selfloop transitions, 2 changer transitions 0/369 dead transitions. [2023-11-26 10:43:45,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 369 transitions, 851 flow [2023-11-26 10:43:45,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:45,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:45,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1226 transitions. [2023-11-26 10:43:45,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8531663187195546 [2023-11-26 10:43:45,148 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1226 transitions. [2023-11-26 10:43:45,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1226 transitions. [2023-11-26 10:43:45,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:45,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1226 transitions. [2023-11-26 10:43:45,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 408.6666666666667) internal successors, (1226), 3 states have internal predecessors, (1226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:45,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:45,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:45,159 INFO L175 Difference]: Start difference. First operand has 367 places, 363 transitions, 771 flow. Second operand 3 states and 1226 transitions. [2023-11-26 10:43:45,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 369 transitions, 851 flow [2023-11-26 10:43:45,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 369 transitions, 847 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:45,170 INFO L231 Difference]: Finished difference. Result has 366 places, 362 transitions, 769 flow [2023-11-26 10:43:45,171 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=765, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=769, PETRI_PLACES=366, PETRI_TRANSITIONS=362} [2023-11-26 10:43:45,172 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -75 predicate places. [2023-11-26 10:43:45,172 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 362 transitions, 769 flow [2023-11-26 10:43:45,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 402.0) internal successors, (1206), 3 states have internal predecessors, (1206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:45,173 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:45,173 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:45,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-26 10:43:45,173 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:45,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:45,174 INFO L85 PathProgramCache]: Analyzing trace with hash 487804465, now seen corresponding path program 1 times [2023-11-26 10:43:45,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:45,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335127417] [2023-11-26 10:43:45,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:45,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:45,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:45,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335127417] [2023-11-26 10:43:45,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335127417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:45,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:45,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:45,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744967666] [2023-11-26 10:43:45,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:45,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:45,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:45,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:45,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:45,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-26 10:43:45,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 362 transitions, 769 flow. Second operand has 3 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:45,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:45,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-26 10:43:45,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:46,062 INFO L124 PetriNetUnfolderBase]: 519/2430 cut-off events. [2023-11-26 10:43:46,063 INFO L125 PetriNetUnfolderBase]: For 233/233 co-relation queries the response was YES. [2023-11-26 10:43:46,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3476 conditions, 2430 events. 519/2430 cut-off events. For 233/233 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 18873 event pairs, 222 based on Foata normal form. 0/2078 useless extension candidates. Maximal degree in co-relation 3379. Up to 562 conditions per place. [2023-11-26 10:43:46,108 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 25 selfloop transitions, 2 changer transitions 0/368 dead transitions. [2023-11-26 10:43:46,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 368 transitions, 841 flow [2023-11-26 10:43:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:46,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:46,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2023-11-26 10:43:46,115 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8566457898399443 [2023-11-26 10:43:46,115 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1231 transitions. [2023-11-26 10:43:46,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1231 transitions. [2023-11-26 10:43:46,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:46,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1231 transitions. [2023-11-26 10:43:46,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:46,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:46,127 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:46,127 INFO L175 Difference]: Start difference. First operand has 366 places, 362 transitions, 769 flow. Second operand 3 states and 1231 transitions. [2023-11-26 10:43:46,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 368 transitions, 841 flow [2023-11-26 10:43:46,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 368 transitions, 837 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:46,207 INFO L231 Difference]: Finished difference. Result has 365 places, 361 transitions, 767 flow [2023-11-26 10:43:46,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=767, PETRI_PLACES=365, PETRI_TRANSITIONS=361} [2023-11-26 10:43:46,209 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -76 predicate places. [2023-11-26 10:43:46,209 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 361 transitions, 767 flow [2023-11-26 10:43:46,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.0) internal successors, (1212), 3 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:46,210 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:46,210 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:46,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-26 10:43:46,210 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:46,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:46,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2076570684, now seen corresponding path program 1 times [2023-11-26 10:43:46,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:46,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452931132] [2023-11-26 10:43:46,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:46,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:46,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:46,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452931132] [2023-11-26 10:43:46,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452931132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:46,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:46,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:46,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977384102] [2023-11-26 10:43:46,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:46,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:46,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:46,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:46,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:46,373 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 479 [2023-11-26 10:43:46,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 361 transitions, 767 flow. Second operand has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:46,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:46,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 479 [2023-11-26 10:43:46,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:46,963 INFO L124 PetriNetUnfolderBase]: 385/1807 cut-off events. [2023-11-26 10:43:46,964 INFO L125 PetriNetUnfolderBase]: For 185/185 co-relation queries the response was YES. [2023-11-26 10:43:46,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2646 conditions, 1807 events. 385/1807 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 12327 event pairs, 137 based on Foata normal form. 0/1592 useless extension candidates. Maximal degree in co-relation 2549. Up to 362 conditions per place. [2023-11-26 10:43:46,991 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 21 selfloop transitions, 2 changer transitions 0/366 dead transitions. [2023-11-26 10:43:46,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 366 transitions, 829 flow [2023-11-26 10:43:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:46,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1236 transitions. [2023-11-26 10:43:46,997 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.860125260960334 [2023-11-26 10:43:46,998 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1236 transitions. [2023-11-26 10:43:46,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1236 transitions. [2023-11-26 10:43:46,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:46,999 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1236 transitions. [2023-11-26 10:43:47,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:47,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:47,008 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:47,008 INFO L175 Difference]: Start difference. First operand has 365 places, 361 transitions, 767 flow. Second operand 3 states and 1236 transitions. [2023-11-26 10:43:47,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 366 transitions, 829 flow [2023-11-26 10:43:47,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 366 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:47,019 INFO L231 Difference]: Finished difference. Result has 364 places, 360 transitions, 765 flow [2023-11-26 10:43:47,020 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=765, PETRI_PLACES=364, PETRI_TRANSITIONS=360} [2023-11-26 10:43:47,020 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -77 predicate places. [2023-11-26 10:43:47,021 INFO L495 AbstractCegarLoop]: Abstraction has has 364 places, 360 transitions, 765 flow [2023-11-26 10:43:47,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:47,022 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:47,022 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:47,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-26 10:43:47,023 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:47,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:47,023 INFO L85 PathProgramCache]: Analyzing trace with hash -278904765, now seen corresponding path program 1 times [2023-11-26 10:43:47,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:47,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730079430] [2023-11-26 10:43:47,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:47,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:48,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:48,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730079430] [2023-11-26 10:43:48,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730079430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:48,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:48,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:43:48,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655179744] [2023-11-26 10:43:48,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:48,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:43:48,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:48,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:43:48,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:43:48,285 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 479 [2023-11-26 10:43:48,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 360 transitions, 765 flow. Second operand has 6 states, 6 states have (on average 393.6666666666667) internal successors, (2362), 6 states have internal predecessors, (2362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:48,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:48,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 479 [2023-11-26 10:43:48,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:49,454 INFO L124 PetriNetUnfolderBase]: 879/2684 cut-off events. [2023-11-26 10:43:49,455 INFO L125 PetriNetUnfolderBase]: For 463/463 co-relation queries the response was YES. [2023-11-26 10:43:49,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4500 conditions, 2684 events. 879/2684 cut-off events. For 463/463 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 19082 event pairs, 70 based on Foata normal form. 0/2368 useless extension candidates. Maximal degree in co-relation 4401. Up to 409 conditions per place. [2023-11-26 10:43:49,500 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 52 selfloop transitions, 4 changer transitions 0/387 dead transitions. [2023-11-26 10:43:49,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 387 transitions, 963 flow [2023-11-26 10:43:49,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:43:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:43:49,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2399 transitions. [2023-11-26 10:43:49,512 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8347251217814892 [2023-11-26 10:43:49,512 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2399 transitions. [2023-11-26 10:43:49,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2399 transitions. [2023-11-26 10:43:49,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:49,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2399 transitions. [2023-11-26 10:43:49,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 399.8333333333333) internal successors, (2399), 6 states have internal predecessors, (2399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:49,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:49,534 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:49,534 INFO L175 Difference]: Start difference. First operand has 364 places, 360 transitions, 765 flow. Second operand 6 states and 2399 transitions. [2023-11-26 10:43:49,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 387 transitions, 963 flow [2023-11-26 10:43:49,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 387 transitions, 959 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:49,547 INFO L231 Difference]: Finished difference. Result has 366 places, 359 transitions, 767 flow [2023-11-26 10:43:49,548 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=767, PETRI_PLACES=366, PETRI_TRANSITIONS=359} [2023-11-26 10:43:49,549 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -75 predicate places. [2023-11-26 10:43:49,549 INFO L495 AbstractCegarLoop]: Abstraction has has 366 places, 359 transitions, 767 flow [2023-11-26 10:43:49,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.6666666666667) internal successors, (2362), 6 states have internal predecessors, (2362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:49,551 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:49,551 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:49,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-26 10:43:49,551 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:49,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:49,552 INFO L85 PathProgramCache]: Analyzing trace with hash -2038874369, now seen corresponding path program 1 times [2023-11-26 10:43:49,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:49,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585264075] [2023-11-26 10:43:49,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:49,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:49,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:49,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585264075] [2023-11-26 10:43:49,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585264075] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:49,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:49,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:49,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241174223] [2023-11-26 10:43:49,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:49,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:49,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:49,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:49,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:49,684 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-26 10:43:49,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 359 transitions, 767 flow. Second operand has 3 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:49,686 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:49,686 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-26 10:43:49,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:50,290 INFO L124 PetriNetUnfolderBase]: 487/1895 cut-off events. [2023-11-26 10:43:50,290 INFO L125 PetriNetUnfolderBase]: For 223/223 co-relation queries the response was YES. [2023-11-26 10:43:50,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2944 conditions, 1895 events. 487/1895 cut-off events. For 223/223 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 12819 event pairs, 199 based on Foata normal form. 0/1698 useless extension candidates. Maximal degree in co-relation 2847. Up to 516 conditions per place. [2023-11-26 10:43:50,315 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 23 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2023-11-26 10:43:50,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 364 transitions, 833 flow [2023-11-26 10:43:50,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:50,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:50,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2023-11-26 10:43:50,322 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8573416840640222 [2023-11-26 10:43:50,322 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2023-11-26 10:43:50,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2023-11-26 10:43:50,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:50,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2023-11-26 10:43:50,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:50,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:50,332 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:50,332 INFO L175 Difference]: Start difference. First operand has 366 places, 359 transitions, 767 flow. Second operand 3 states and 1232 transitions. [2023-11-26 10:43:50,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 364 transitions, 833 flow [2023-11-26 10:43:50,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 364 transitions, 826 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:43:50,343 INFO L231 Difference]: Finished difference. Result has 363 places, 358 transitions, 762 flow [2023-11-26 10:43:50,344 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=363, PETRI_TRANSITIONS=358} [2023-11-26 10:43:50,344 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -78 predicate places. [2023-11-26 10:43:50,344 INFO L495 AbstractCegarLoop]: Abstraction has has 363 places, 358 transitions, 762 flow [2023-11-26 10:43:50,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:50,346 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:50,346 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:50,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-26 10:43:50,346 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:50,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:50,347 INFO L85 PathProgramCache]: Analyzing trace with hash -227698835, now seen corresponding path program 1 times [2023-11-26 10:43:50,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:50,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551234453] [2023-11-26 10:43:50,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:50,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:50,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:50,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551234453] [2023-11-26 10:43:50,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551234453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:50,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:50,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:50,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867462512] [2023-11-26 10:43:50,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:50,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:50,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:50,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:50,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:50,541 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-26 10:43:50,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 358 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:50,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:50,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-26 10:43:50,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:51,184 INFO L124 PetriNetUnfolderBase]: 414/2239 cut-off events. [2023-11-26 10:43:51,184 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2023-11-26 10:43:51,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3163 conditions, 2239 events. 414/2239 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 17525 event pairs, 147 based on Foata normal form. 1/2006 useless extension candidates. Maximal degree in co-relation 3066. Up to 379 conditions per place. [2023-11-26 10:43:51,221 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 22 selfloop transitions, 2 changer transitions 6/363 dead transitions. [2023-11-26 10:43:51,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 363 transitions, 828 flow [2023-11-26 10:43:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:51,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1230 transitions. [2023-11-26 10:43:51,227 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8559498956158664 [2023-11-26 10:43:51,227 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1230 transitions. [2023-11-26 10:43:51,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1230 transitions. [2023-11-26 10:43:51,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:51,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1230 transitions. [2023-11-26 10:43:51,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,236 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,236 INFO L175 Difference]: Start difference. First operand has 363 places, 358 transitions, 762 flow. Second operand 3 states and 1230 transitions. [2023-11-26 10:43:51,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 363 transitions, 828 flow [2023-11-26 10:43:51,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 363 transitions, 824 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:51,247 INFO L231 Difference]: Finished difference. Result has 361 places, 350 transitions, 746 flow [2023-11-26 10:43:51,248 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=746, PETRI_PLACES=361, PETRI_TRANSITIONS=350} [2023-11-26 10:43:51,249 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -80 predicate places. [2023-11-26 10:43:51,249 INFO L495 AbstractCegarLoop]: Abstraction has has 361 places, 350 transitions, 746 flow [2023-11-26 10:43:51,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,250 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:51,250 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:51,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-26 10:43:51,251 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:51,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash -676928197, now seen corresponding path program 1 times [2023-11-26 10:43:51,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:51,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019470709] [2023-11-26 10:43:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:51,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:51,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:51,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019470709] [2023-11-26 10:43:51,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019470709] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:51,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:51,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:51,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787091299] [2023-11-26 10:43:51,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:51,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:51,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:51,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:51,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:51,368 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-26 10:43:51,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 350 transitions, 746 flow. Second operand has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:51,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-26 10:43:51,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:51,791 INFO L124 PetriNetUnfolderBase]: 322/1764 cut-off events. [2023-11-26 10:43:51,792 INFO L125 PetriNetUnfolderBase]: For 153/153 co-relation queries the response was YES. [2023-11-26 10:43:51,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2517 conditions, 1764 events. 322/1764 cut-off events. For 153/153 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 12452 event pairs, 98 based on Foata normal form. 0/1624 useless extension candidates. Maximal degree in co-relation 2420. Up to 265 conditions per place. [2023-11-26 10:43:51,814 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 21 selfloop transitions, 3 changer transitions 0/354 dead transitions. [2023-11-26 10:43:51,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 354 transitions, 808 flow [2023-11-26 10:43:51,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2023-11-26 10:43:51,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8573416840640222 [2023-11-26 10:43:51,820 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2023-11-26 10:43:51,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2023-11-26 10:43:51,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:51,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2023-11-26 10:43:51,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,826 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,827 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,827 INFO L175 Difference]: Start difference. First operand has 361 places, 350 transitions, 746 flow. Second operand 3 states and 1232 transitions. [2023-11-26 10:43:51,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 354 transitions, 808 flow [2023-11-26 10:43:51,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 354 transitions, 804 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:51,836 INFO L231 Difference]: Finished difference. Result has 354 places, 348 transitions, 744 flow [2023-11-26 10:43:51,836 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=744, PETRI_PLACES=354, PETRI_TRANSITIONS=348} [2023-11-26 10:43:51,837 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -87 predicate places. [2023-11-26 10:43:51,837 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 348 transitions, 744 flow [2023-11-26 10:43:51,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,838 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:51,838 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:51,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-26 10:43:51,839 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:51,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:51,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1298134384, now seen corresponding path program 1 times [2023-11-26 10:43:51,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:51,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165538933] [2023-11-26 10:43:51,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:51,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:51,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:51,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165538933] [2023-11-26 10:43:51,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165538933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:51,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:51,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:51,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695176918] [2023-11-26 10:43:51,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:51,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:51,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:51,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:51,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:51,952 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 479 [2023-11-26 10:43:51,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 348 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:51,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 479 [2023-11-26 10:43:51,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:52,530 INFO L124 PetriNetUnfolderBase]: 523/2284 cut-off events. [2023-11-26 10:43:52,530 INFO L125 PetriNetUnfolderBase]: For 230/230 co-relation queries the response was YES. [2023-11-26 10:43:52,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3396 conditions, 2284 events. 523/2284 cut-off events. For 230/230 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 17479 event pairs, 215 based on Foata normal form. 0/2097 useless extension candidates. Maximal degree in co-relation 3299. Up to 545 conditions per place. [2023-11-26 10:43:52,558 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 24 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2023-11-26 10:43:52,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 354 transitions, 814 flow [2023-11-26 10:43:52,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:52,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1230 transitions. [2023-11-26 10:43:52,562 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8559498956158664 [2023-11-26 10:43:52,563 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1230 transitions. [2023-11-26 10:43:52,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1230 transitions. [2023-11-26 10:43:52,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:52,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1230 transitions. [2023-11-26 10:43:52,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:52,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:52,570 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:52,570 INFO L175 Difference]: Start difference. First operand has 354 places, 348 transitions, 744 flow. Second operand 3 states and 1230 transitions. [2023-11-26 10:43:52,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 354 transitions, 814 flow [2023-11-26 10:43:52,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 354 transitions, 808 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:52,578 INFO L231 Difference]: Finished difference. Result has 353 places, 347 transitions, 740 flow [2023-11-26 10:43:52,578 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=353, PETRI_TRANSITIONS=347} [2023-11-26 10:43:52,583 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -88 predicate places. [2023-11-26 10:43:52,583 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 347 transitions, 740 flow [2023-11-26 10:43:52,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:52,584 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:52,584 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:52,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-26 10:43:52,584 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:52,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:52,585 INFO L85 PathProgramCache]: Analyzing trace with hash 837845881, now seen corresponding path program 1 times [2023-11-26 10:43:52,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:52,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797017167] [2023-11-26 10:43:52,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:52,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:52,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:52,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797017167] [2023-11-26 10:43:52,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797017167] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:52,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:52,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:52,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481908070] [2023-11-26 10:43:52,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:52,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:52,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:52,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:52,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:52,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-26 10:43:52,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 347 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:52,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:52,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-26 10:43:52,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:53,088 INFO L124 PetriNetUnfolderBase]: 353/1911 cut-off events. [2023-11-26 10:43:53,089 INFO L125 PetriNetUnfolderBase]: For 167/167 co-relation queries the response was YES. [2023-11-26 10:43:53,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2703 conditions, 1911 events. 353/1911 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 13579 event pairs, 106 based on Foata normal form. 1/1794 useless extension candidates. Maximal degree in co-relation 2606. Up to 286 conditions per place. [2023-11-26 10:43:53,113 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 20 selfloop transitions, 2 changer transitions 11/352 dead transitions. [2023-11-26 10:43:53,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 352 transitions, 804 flow [2023-11-26 10:43:53,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2023-11-26 10:43:53,118 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8573416840640222 [2023-11-26 10:43:53,118 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2023-11-26 10:43:53,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2023-11-26 10:43:53,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:53,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2023-11-26 10:43:53,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:53,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:53,126 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:53,126 INFO L175 Difference]: Start difference. First operand has 353 places, 347 transitions, 740 flow. Second operand 3 states and 1232 transitions. [2023-11-26 10:43:53,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 352 transitions, 804 flow [2023-11-26 10:43:53,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 352 transitions, 800 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:53,134 INFO L231 Difference]: Finished difference. Result has 351 places, 334 transitions, 713 flow [2023-11-26 10:43:53,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=351, PETRI_TRANSITIONS=334} [2023-11-26 10:43:53,136 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -90 predicate places. [2023-11-26 10:43:53,136 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 334 transitions, 713 flow [2023-11-26 10:43:53,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.0) internal successors, (1215), 3 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:53,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:53,137 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:53,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-26 10:43:53,138 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread2Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:53,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:53,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1507170112, now seen corresponding path program 1 times [2023-11-26 10:43:53,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:53,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922343401] [2023-11-26 10:43:53,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:53,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:53,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:53,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:53,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922343401] [2023-11-26 10:43:53,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922343401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:53,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:53,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:53,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300260446] [2023-11-26 10:43:53,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:53,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:53,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:53,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:53,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:53,230 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-26 10:43:53,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 334 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:53,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:53,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-26 10:43:53,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:53,696 INFO L124 PetriNetUnfolderBase]: 364/1767 cut-off events. [2023-11-26 10:43:53,696 INFO L125 PetriNetUnfolderBase]: For 176/179 co-relation queries the response was YES. [2023-11-26 10:43:53,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2614 conditions, 1767 events. 364/1767 cut-off events. For 176/179 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 12207 event pairs, 147 based on Foata normal form. 1/1659 useless extension candidates. Maximal degree in co-relation 2517. Up to 397 conditions per place. [2023-11-26 10:43:53,713 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 21 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2023-11-26 10:43:53,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 339 transitions, 775 flow [2023-11-26 10:43:53,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:53,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1230 transitions. [2023-11-26 10:43:53,718 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8559498956158664 [2023-11-26 10:43:53,718 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1230 transitions. [2023-11-26 10:43:53,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1230 transitions. [2023-11-26 10:43:53,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:53,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1230 transitions. [2023-11-26 10:43:53,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:53,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:53,725 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:53,726 INFO L175 Difference]: Start difference. First operand has 351 places, 334 transitions, 713 flow. Second operand 3 states and 1230 transitions. [2023-11-26 10:43:53,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 339 transitions, 775 flow [2023-11-26 10:43:53,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 339 transitions, 771 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:53,734 INFO L231 Difference]: Finished difference. Result has 339 places, 333 transitions, 711 flow [2023-11-26 10:43:53,734 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=711, PETRI_PLACES=339, PETRI_TRANSITIONS=333} [2023-11-26 10:43:53,735 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -102 predicate places. [2023-11-26 10:43:53,735 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 333 transitions, 711 flow [2023-11-26 10:43:53,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:53,736 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:53,736 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:53,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-26 10:43:53,736 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:53,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:53,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1418934430, now seen corresponding path program 1 times [2023-11-26 10:43:53,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:53,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751955538] [2023-11-26 10:43:53,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:53,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:53,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:53,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751955538] [2023-11-26 10:43:53,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751955538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:53,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:53,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:53,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946546528] [2023-11-26 10:43:53,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:53,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:53,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:53,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:53,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:53,824 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 403 out of 479 [2023-11-26 10:43:53,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 333 transitions, 711 flow. Second operand has 3 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:53,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:53,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 403 of 479 [2023-11-26 10:43:53,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:54,329 INFO L124 PetriNetUnfolderBase]: 415/2095 cut-off events. [2023-11-26 10:43:54,330 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2023-11-26 10:43:54,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3025 conditions, 2095 events. 415/2095 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 15416 event pairs, 166 based on Foata normal form. 0/1975 useless extension candidates. Maximal degree in co-relation 2928. Up to 440 conditions per place. [2023-11-26 10:43:54,356 INFO L140 encePairwiseOnDemand]: 476/479 looper letters, 22 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2023-11-26 10:43:54,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 339 transitions, 777 flow [2023-11-26 10:43:54,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:54,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:43:54,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1231 transitions. [2023-11-26 10:43:54,361 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8566457898399443 [2023-11-26 10:43:54,361 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1231 transitions. [2023-11-26 10:43:54,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1231 transitions. [2023-11-26 10:43:54,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:54,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1231 transitions. [2023-11-26 10:43:54,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:54,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:54,368 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:54,369 INFO L175 Difference]: Start difference. First operand has 339 places, 333 transitions, 711 flow. Second operand 3 states and 1231 transitions. [2023-11-26 10:43:54,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 339 transitions, 777 flow [2023-11-26 10:43:54,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 339 transitions, 773 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:54,377 INFO L231 Difference]: Finished difference. Result has 338 places, 332 transitions, 709 flow [2023-11-26 10:43:54,378 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=709, PETRI_PLACES=338, PETRI_TRANSITIONS=332} [2023-11-26 10:43:54,379 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -103 predicate places. [2023-11-26 10:43:54,379 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 332 transitions, 709 flow [2023-11-26 10:43:54,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 405.6666666666667) internal successors, (1217), 3 states have internal predecessors, (1217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:54,379 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:54,380 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:54,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-26 10:43:54,380 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:54,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:54,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1439498022, now seen corresponding path program 1 times [2023-11-26 10:43:54,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:54,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882870650] [2023-11-26 10:43:54,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:54,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:55,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:55,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882870650] [2023-11-26 10:43:55,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882870650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:55,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:55,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:43:55,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842183478] [2023-11-26 10:43:55,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:55,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:43:55,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:55,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:43:55,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:43:55,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 479 [2023-11-26 10:43:55,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 332 transitions, 709 flow. Second operand has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:55,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:55,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 479 [2023-11-26 10:43:55,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:56,178 INFO L124 PetriNetUnfolderBase]: 265/1631 cut-off events. [2023-11-26 10:43:56,178 INFO L125 PetriNetUnfolderBase]: For 166/171 co-relation queries the response was YES. [2023-11-26 10:43:56,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2304 conditions, 1631 events. 265/1631 cut-off events. For 166/171 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 11036 event pairs, 77 based on Foata normal form. 4/1565 useless extension candidates. Maximal degree in co-relation 2205. Up to 230 conditions per place. [2023-11-26 10:43:56,197 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 43 selfloop transitions, 4 changer transitions 0/351 dead transitions. [2023-11-26 10:43:56,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 351 transitions, 873 flow [2023-11-26 10:43:56,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:43:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:43:56,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2390 transitions. [2023-11-26 10:43:56,206 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8315935977731385 [2023-11-26 10:43:56,206 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2390 transitions. [2023-11-26 10:43:56,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2390 transitions. [2023-11-26 10:43:56,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:56,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2390 transitions. [2023-11-26 10:43:56,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 398.3333333333333) internal successors, (2390), 6 states have internal predecessors, (2390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:56,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:56,222 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:56,222 INFO L175 Difference]: Start difference. First operand has 338 places, 332 transitions, 709 flow. Second operand 6 states and 2390 transitions. [2023-11-26 10:43:56,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 351 transitions, 873 flow [2023-11-26 10:43:56,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 351 transitions, 869 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:43:56,232 INFO L231 Difference]: Finished difference. Result has 340 places, 331 transitions, 711 flow [2023-11-26 10:43:56,233 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=711, PETRI_PLACES=340, PETRI_TRANSITIONS=331} [2023-11-26 10:43:56,233 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -101 predicate places. [2023-11-26 10:43:56,233 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 331 transitions, 711 flow [2023-11-26 10:43:56,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 394.0) internal successors, (2364), 6 states have internal predecessors, (2364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:56,235 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:43:56,235 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:56,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-26 10:43:56,236 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err12ASSERT_VIOLATIONDATA_RACE, thread1Err13ASSERT_VIOLATIONDATA_RACE, thread1Err14ASSERT_VIOLATIONDATA_RACE (and 151 more)] === [2023-11-26 10:43:56,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:56,236 INFO L85 PathProgramCache]: Analyzing trace with hash -525432840, now seen corresponding path program 1 times [2023-11-26 10:43:56,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:56,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111897698] [2023-11-26 10:43:56,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:56,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:57,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:57,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111897698] [2023-11-26 10:43:57,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111897698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:57,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:57,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:43:57,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857163515] [2023-11-26 10:43:57,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:57,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:43:57,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:57,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:43:57,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:43:57,507 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 392 out of 479 [2023-11-26 10:43:57,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 331 transitions, 711 flow. Second operand has 6 states, 6 states have (on average 394.5) internal successors, (2367), 6 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:57,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:43:57,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 392 of 479 [2023-11-26 10:43:57,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:43:57,883 INFO L124 PetriNetUnfolderBase]: 200/1554 cut-off events. [2023-11-26 10:43:57,883 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES. [2023-11-26 10:43:57,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2070 conditions, 1554 events. 200/1554 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 10514 event pairs, 78 based on Foata normal form. 0/1490 useless extension candidates. Maximal degree in co-relation 1971. Up to 235 conditions per place. [2023-11-26 10:43:57,894 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 0 selfloop transitions, 0 changer transitions 338/338 dead transitions. [2023-11-26 10:43:57,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 338 transitions, 811 flow [2023-11-26 10:43:57,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:43:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:43:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2382 transitions. [2023-11-26 10:43:57,899 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8288100208768268 [2023-11-26 10:43:57,899 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2382 transitions. [2023-11-26 10:43:57,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2382 transitions. [2023-11-26 10:43:57,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:43:57,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2382 transitions. [2023-11-26 10:43:57,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 397.0) internal successors, (2382), 6 states have internal predecessors, (2382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:57,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:57,912 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:57,913 INFO L175 Difference]: Start difference. First operand has 340 places, 331 transitions, 711 flow. Second operand 6 states and 2382 transitions. [2023-11-26 10:43:57,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 338 transitions, 811 flow [2023-11-26 10:43:57,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 338 transitions, 804 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:43:57,918 INFO L231 Difference]: Finished difference. Result has 340 places, 0 transitions, 0 flow [2023-11-26 10:43:57,919 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=340, PETRI_TRANSITIONS=0} [2023-11-26 10:43:57,919 INFO L281 CegarLoopForPetriNet]: 441 programPoint places, -101 predicate places. [2023-11-26 10:43:57,920 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 0 transitions, 0 flow [2023-11-26 10:43:57,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 394.5) internal successors, (2367), 6 states have internal predecessors, (2367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:57,923 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (154 of 155 remaining) [2023-11-26 10:43:57,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (153 of 155 remaining) [2023-11-26 10:43:57,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (152 of 155 remaining) [2023-11-26 10:43:57,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (151 of 155 remaining) [2023-11-26 10:43:57,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (150 of 155 remaining) [2023-11-26 10:43:57,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (149 of 155 remaining) [2023-11-26 10:43:57,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (148 of 155 remaining) [2023-11-26 10:43:57,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (147 of 155 remaining) [2023-11-26 10:43:57,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (146 of 155 remaining) [2023-11-26 10:43:57,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (145 of 155 remaining) [2023-11-26 10:43:57,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (144 of 155 remaining) [2023-11-26 10:43:57,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (143 of 155 remaining) [2023-11-26 10:43:57,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (142 of 155 remaining) [2023-11-26 10:43:57,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (141 of 155 remaining) [2023-11-26 10:43:57,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (140 of 155 remaining) [2023-11-26 10:43:57,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (139 of 155 remaining) [2023-11-26 10:43:57,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (138 of 155 remaining) [2023-11-26 10:43:57,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (137 of 155 remaining) [2023-11-26 10:43:57,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (136 of 155 remaining) [2023-11-26 10:43:57,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (135 of 155 remaining) [2023-11-26 10:43:57,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (134 of 155 remaining) [2023-11-26 10:43:57,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (133 of 155 remaining) [2023-11-26 10:43:57,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (132 of 155 remaining) [2023-11-26 10:43:57,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (131 of 155 remaining) [2023-11-26 10:43:57,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (130 of 155 remaining) [2023-11-26 10:43:57,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (129 of 155 remaining) [2023-11-26 10:43:57,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (128 of 155 remaining) [2023-11-26 10:43:57,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (127 of 155 remaining) [2023-11-26 10:43:57,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (126 of 155 remaining) [2023-11-26 10:43:57,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (125 of 155 remaining) [2023-11-26 10:43:57,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (124 of 155 remaining) [2023-11-26 10:43:57,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (123 of 155 remaining) [2023-11-26 10:43:57,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (122 of 155 remaining) [2023-11-26 10:43:57,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (121 of 155 remaining) [2023-11-26 10:43:57,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (120 of 155 remaining) [2023-11-26 10:43:57,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (119 of 155 remaining) [2023-11-26 10:43:57,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (118 of 155 remaining) [2023-11-26 10:43:57,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (117 of 155 remaining) [2023-11-26 10:43:57,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (116 of 155 remaining) [2023-11-26 10:43:57,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (115 of 155 remaining) [2023-11-26 10:43:57,931 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (114 of 155 remaining) [2023-11-26 10:43:57,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (113 of 155 remaining) [2023-11-26 10:43:57,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (112 of 155 remaining) [2023-11-26 10:43:57,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (111 of 155 remaining) [2023-11-26 10:43:57,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (110 of 155 remaining) [2023-11-26 10:43:57,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (109 of 155 remaining) [2023-11-26 10:43:57,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (108 of 155 remaining) [2023-11-26 10:43:57,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (107 of 155 remaining) [2023-11-26 10:43:57,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (106 of 155 remaining) [2023-11-26 10:43:57,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (105 of 155 remaining) [2023-11-26 10:43:57,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (104 of 155 remaining) [2023-11-26 10:43:57,933 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (103 of 155 remaining) [2023-11-26 10:43:57,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (102 of 155 remaining) [2023-11-26 10:43:57,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (101 of 155 remaining) [2023-11-26 10:43:57,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (100 of 155 remaining) [2023-11-26 10:43:57,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (99 of 155 remaining) [2023-11-26 10:43:57,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (98 of 155 remaining) [2023-11-26 10:43:57,934 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (97 of 155 remaining) [2023-11-26 10:43:57,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (96 of 155 remaining) [2023-11-26 10:43:57,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (95 of 155 remaining) [2023-11-26 10:43:57,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (94 of 155 remaining) [2023-11-26 10:43:57,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (93 of 155 remaining) [2023-11-26 10:43:57,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (92 of 155 remaining) [2023-11-26 10:43:57,935 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (91 of 155 remaining) [2023-11-26 10:43:57,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (90 of 155 remaining) [2023-11-26 10:43:57,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (89 of 155 remaining) [2023-11-26 10:43:57,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (88 of 155 remaining) [2023-11-26 10:43:57,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (87 of 155 remaining) [2023-11-26 10:43:57,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (86 of 155 remaining) [2023-11-26 10:43:57,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (85 of 155 remaining) [2023-11-26 10:43:57,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (84 of 155 remaining) [2023-11-26 10:43:57,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (83 of 155 remaining) [2023-11-26 10:43:57,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (82 of 155 remaining) [2023-11-26 10:43:57,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (81 of 155 remaining) [2023-11-26 10:43:57,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (80 of 155 remaining) [2023-11-26 10:43:57,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (79 of 155 remaining) [2023-11-26 10:43:57,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (78 of 155 remaining) [2023-11-26 10:43:57,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (77 of 155 remaining) [2023-11-26 10:43:57,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (76 of 155 remaining) [2023-11-26 10:43:57,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (75 of 155 remaining) [2023-11-26 10:43:57,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (74 of 155 remaining) [2023-11-26 10:43:57,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (73 of 155 remaining) [2023-11-26 10:43:57,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (72 of 155 remaining) [2023-11-26 10:43:57,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (71 of 155 remaining) [2023-11-26 10:43:57,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (70 of 155 remaining) [2023-11-26 10:43:57,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (69 of 155 remaining) [2023-11-26 10:43:57,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (68 of 155 remaining) [2023-11-26 10:43:57,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (67 of 155 remaining) [2023-11-26 10:43:57,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (66 of 155 remaining) [2023-11-26 10:43:57,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (65 of 155 remaining) [2023-11-26 10:43:57,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 155 remaining) [2023-11-26 10:43:57,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 155 remaining) [2023-11-26 10:43:57,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 155 remaining) [2023-11-26 10:43:57,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (61 of 155 remaining) [2023-11-26 10:43:57,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (60 of 155 remaining) [2023-11-26 10:43:57,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (59 of 155 remaining) [2023-11-26 10:43:57,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (58 of 155 remaining) [2023-11-26 10:43:57,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (57 of 155 remaining) [2023-11-26 10:43:57,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (56 of 155 remaining) [2023-11-26 10:43:57,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (55 of 155 remaining) [2023-11-26 10:43:57,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (54 of 155 remaining) [2023-11-26 10:43:57,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (53 of 155 remaining) [2023-11-26 10:43:57,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (52 of 155 remaining) [2023-11-26 10:43:57,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (51 of 155 remaining) [2023-11-26 10:43:57,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 155 remaining) [2023-11-26 10:43:57,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (49 of 155 remaining) [2023-11-26 10:43:57,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (48 of 155 remaining) [2023-11-26 10:43:57,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (47 of 155 remaining) [2023-11-26 10:43:57,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (46 of 155 remaining) [2023-11-26 10:43:57,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (45 of 155 remaining) [2023-11-26 10:43:57,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (44 of 155 remaining) [2023-11-26 10:43:57,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (43 of 155 remaining) [2023-11-26 10:43:57,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (42 of 155 remaining) [2023-11-26 10:43:57,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (41 of 155 remaining) [2023-11-26 10:43:57,944 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (40 of 155 remaining) [2023-11-26 10:43:57,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 155 remaining) [2023-11-26 10:43:57,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 155 remaining) [2023-11-26 10:43:57,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 155 remaining) [2023-11-26 10:43:57,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 155 remaining) [2023-11-26 10:43:57,945 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 155 remaining) [2023-11-26 10:43:57,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (34 of 155 remaining) [2023-11-26 10:43:57,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (33 of 155 remaining) [2023-11-26 10:43:57,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (32 of 155 remaining) [2023-11-26 10:43:57,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (31 of 155 remaining) [2023-11-26 10:43:57,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (30 of 155 remaining) [2023-11-26 10:43:57,946 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (29 of 155 remaining) [2023-11-26 10:43:57,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (28 of 155 remaining) [2023-11-26 10:43:57,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (27 of 155 remaining) [2023-11-26 10:43:57,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (26 of 155 remaining) [2023-11-26 10:43:57,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (25 of 155 remaining) [2023-11-26 10:43:57,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (24 of 155 remaining) [2023-11-26 10:43:57,947 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (23 of 155 remaining) [2023-11-26 10:43:57,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (22 of 155 remaining) [2023-11-26 10:43:57,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (21 of 155 remaining) [2023-11-26 10:43:57,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (20 of 155 remaining) [2023-11-26 10:43:57,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (19 of 155 remaining) [2023-11-26 10:43:57,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (18 of 155 remaining) [2023-11-26 10:43:57,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (17 of 155 remaining) [2023-11-26 10:43:57,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (16 of 155 remaining) [2023-11-26 10:43:57,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (15 of 155 remaining) [2023-11-26 10:43:57,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (14 of 155 remaining) [2023-11-26 10:43:57,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (13 of 155 remaining) [2023-11-26 10:43:57,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (12 of 155 remaining) [2023-11-26 10:43:57,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (11 of 155 remaining) [2023-11-26 10:43:57,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (10 of 155 remaining) [2023-11-26 10:43:57,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (9 of 155 remaining) [2023-11-26 10:43:57,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (8 of 155 remaining) [2023-11-26 10:43:57,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (7 of 155 remaining) [2023-11-26 10:43:57,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 155 remaining) [2023-11-26 10:43:57,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 155 remaining) [2023-11-26 10:43:57,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (4 of 155 remaining) [2023-11-26 10:43:57,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (3 of 155 remaining) [2023-11-26 10:43:57,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (2 of 155 remaining) [2023-11-26 10:43:57,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (1 of 155 remaining) [2023-11-26 10:43:57,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (0 of 155 remaining) [2023-11-26 10:43:57,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-26 10:43:57,952 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:57,961 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 10:43:57,961 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:43:57,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:43:57 BasicIcfg [2023-11-26 10:43:57,969 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:43:57,970 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:43:57,970 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:43:57,970 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:43:57,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:30" (3/4) ... [2023-11-26 10:43:57,972 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:43:57,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 10:43:57,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 10:43:57,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 10:43:57,993 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-26 10:43:57,994 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 10:43:57,995 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:43:57,996 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:43:58,147 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:43:58,148 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:43:58,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:43:58,149 INFO L158 Benchmark]: Toolchain (without parser) took 29960.76ms. Allocated memory was 144.7MB in the beginning and 1.1GB in the end (delta: 968.9MB). Free memory was 104.1MB in the beginning and 947.9MB in the end (delta: -843.7MB). Peak memory consumption was 126.7MB. Max. memory is 16.1GB. [2023-11-26 10:43:58,150 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:58,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.26ms. Allocated memory is still 144.7MB. Free memory was 103.7MB in the beginning and 89.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 10:43:58,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.06ms. Allocated memory is still 144.7MB. Free memory was 89.8MB in the beginning and 86.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:43:58,151 INFO L158 Benchmark]: Boogie Preprocessor took 74.39ms. Allocated memory is still 144.7MB. Free memory was 86.0MB in the beginning and 82.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:58,156 INFO L158 Benchmark]: RCFGBuilder took 2129.18ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 82.6MB in the beginning and 142.7MB in the end (delta: -60.1MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. [2023-11-26 10:43:58,156 INFO L158 Benchmark]: TraceAbstraction took 27002.10ms. Allocated memory was 192.9MB in the beginning and 1.1GB in the end (delta: 920.6MB). Free memory was 142.7MB in the beginning and 956.2MB in the end (delta: -813.5MB). Peak memory consumption was 673.3MB. Max. memory is 16.1GB. [2023-11-26 10:43:58,156 INFO L158 Benchmark]: Witness Printer took 178.16ms. Allocated memory is still 1.1GB. Free memory was 955.2MB in the beginning and 947.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:43:58,160 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.26ms. Allocated memory is still 144.7MB. Free memory was 103.7MB in the beginning and 89.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.06ms. Allocated memory is still 144.7MB. Free memory was 89.8MB in the beginning and 86.0MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.39ms. Allocated memory is still 144.7MB. Free memory was 86.0MB in the beginning and 82.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2129.18ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 82.6MB in the beginning and 142.7MB in the end (delta: -60.1MB). Peak memory consumption was 80.4MB. Max. memory is 16.1GB. * TraceAbstraction took 27002.10ms. Allocated memory was 192.9MB in the beginning and 1.1GB in the end (delta: 920.6MB). Free memory was 142.7MB in the beginning and 956.2MB in the end (delta: -813.5MB). Peak memory consumption was 673.3MB. Max. memory is 16.1GB. * Witness Printer took 178.16ms. Allocated memory is still 1.1GB. Free memory was 955.2MB in the beginning and 947.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: 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: 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: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 72]: 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: 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: 73]: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 617 locations, 155 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: 26.7s, OverallIterations: 33, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 993 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 473 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 245 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1995 IncrementalHoareTripleChecker+Invalid, 2240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 245 mSolverCounterUnsat, 140 mSDtfsCounter, 1995 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=916occurred in iteration=0, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 4656 NumberOfCodeBlocks, 4656 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 4623 ConstructedInterpolants, 0 QuantifiedInterpolants, 5039 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 33 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 89 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:43:58,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29085b86-793c-4f47-a5ec-5e6880b92b4f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE