./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.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_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya --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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:33:48,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:33:48,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 01:33:48,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:33:48,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:33:48,279 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:33:48,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:33:48,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:33:48,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:33:48,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:33:48,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:33:48,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:33:48,283 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:33:48,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:33:48,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:33:48,285 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:33:48,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:33:48,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:33:48,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:33:48,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:33:48,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:33:48,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:33:48,288 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 01:33:48,289 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:33:48,289 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:33:48,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:33:48,290 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:33:48,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:33:48,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:33:48,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:33:48,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:33:48,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:33:48,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:33:48,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:33:48,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:33:48,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:33:48,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:33:48,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:33:48,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:33:48,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:33:48,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:33:48,295 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_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2023-11-29 01:33:48,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:33:48,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:33:48,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:33:48,554 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:33:48,562 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:33:48,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-29 01:33:51,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:33:51,435 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:33:51,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-29 01:33:51,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/data/fbd5ae497/526498a412bb41b0b6c801dd7a722343/FLAG91a52df35 [2023-11-29 01:33:51,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/data/fbd5ae497/526498a412bb41b0b6c801dd7a722343 [2023-11-29 01:33:51,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:33:51,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:33:51,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:33:51,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:33:51,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:33:51,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca8bf14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51, skipping insertion in model container [2023-11-29 01:33:51,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:33:51,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:33:51,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:33:51,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:33:51,754 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:33:51,754 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 01:33:51,762 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:33:51,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51 WrapperNode [2023-11-29 01:33:51,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:33:51,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:33:51,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:33:51,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:33:51,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,835 INFO L138 Inliner]: procedures = 29, calls = 89, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 698 [2023-11-29 01:33:51,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:33:51,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:33:51,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:33:51,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:33:51,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:33:51,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:33:51,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:33:51,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:33:51,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (1/1) ... [2023-11-29 01:33:51,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:33:51,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:51,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:51,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:33:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:33:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:33:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 01:33:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 01:33:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 01:33:51,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 01:33:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 01:33:51,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 01:33:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 01:33:51,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 01:33:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 01:33:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 01:33:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 01:33:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-29 01:33:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-29 01:33:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-29 01:33:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-29 01:33:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 01:33:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 01:33:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:33:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:33:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:33:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:33:51,976 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 01:33:52,126 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:33:52,128 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:33:52,936 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:33:53,372 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:33:53,372 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-29 01:33:53,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:33:53 BoogieIcfgContainer [2023-11-29 01:33:53,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:33:53,377 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:33:53,377 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:33:53,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:33:53,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:33:51" (1/3) ... [2023-11-29 01:33:53,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230c5d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:33:53, skipping insertion in model container [2023-11-29 01:33:53,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:51" (2/3) ... [2023-11-29 01:33:53,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230c5d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:33:53, skipping insertion in model container [2023-11-29 01:33:53,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:33:53" (3/3) ... [2023-11-29 01:33:53,383 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2023-11-29 01:33:53,393 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 01:33:53,404 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:33:53,404 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 89 error locations. [2023-11-29 01:33:53,404 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 01:33:53,563 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-29 01:33:53,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 595 places, 604 transitions, 1274 flow [2023-11-29 01:33:53,798 INFO L124 PetriNetUnfolderBase]: 26/528 cut-off events. [2023-11-29 01:33:53,798 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-29 01:33:53,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 528 events. 26/528 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 897 event pairs, 0 based on Foata normal form. 0/413 useless extension candidates. Maximal degree in co-relation 446. Up to 3 conditions per place. [2023-11-29 01:33:53,809 INFO L82 GeneralOperation]: Start removeDead. Operand has 595 places, 604 transitions, 1274 flow [2023-11-29 01:33:53,836 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 501 places, 507 transitions, 1062 flow [2023-11-29 01:33:53,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:33:53,854 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;@3bafee1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:33:53,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 157 error locations. [2023-11-29 01:33:53,860 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 01:33:53,861 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2023-11-29 01:33:53,861 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 01:33:53,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:53,862 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] [2023-11-29 01:33:53,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:33:53,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:53,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1441192774, now seen corresponding path program 1 times [2023-11-29 01:33:53,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:53,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459591551] [2023-11-29 01:33:53,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:53,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:54,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459591551] [2023-11-29 01:33:54,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459591551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:54,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:54,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:33:54,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186322081] [2023-11-29 01:33:54,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:54,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:33:54,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:54,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:33:54,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:33:54,173 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 491 out of 608 [2023-11-29 01:33:54,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 507 transitions, 1062 flow. Second operand has 3 states, 3 states have (on average 492.3333333333333) internal successors, (1477), 3 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:54,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:54,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 491 of 608 [2023-11-29 01:33:54,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:55,499 INFO L124 PetriNetUnfolderBase]: 1355/4090 cut-off events. [2023-11-29 01:33:55,499 INFO L125 PetriNetUnfolderBase]: For 1145/1197 co-relation queries the response was YES. [2023-11-29 01:33:55,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6732 conditions, 4090 events. 1355/4090 cut-off events. For 1145/1197 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 29146 event pairs, 586 based on Foata normal form. 609/3911 useless extension candidates. Maximal degree in co-relation 6195. Up to 1712 conditions per place. [2023-11-29 01:33:55,554 INFO L140 encePairwiseOnDemand]: 544/608 looper letters, 31 selfloop transitions, 2 changer transitions 4/445 dead transitions. [2023-11-29 01:33:55,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 445 transitions, 1004 flow [2023-11-29 01:33:55,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:33:55,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:33:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1568 transitions. [2023-11-29 01:33:55,572 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8596491228070176 [2023-11-29 01:33:55,573 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1568 transitions. [2023-11-29 01:33:55,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1568 transitions. [2023-11-29 01:33:55,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:55,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1568 transitions. [2023-11-29 01:33:55,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 522.6666666666666) internal successors, (1568), 3 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:55,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:55,598 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:55,599 INFO L175 Difference]: Start difference. First operand has 501 places, 507 transitions, 1062 flow. Second operand 3 states and 1568 transitions. [2023-11-29 01:33:55,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 445 transitions, 1004 flow [2023-11-29 01:33:55,612 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 445 transitions, 972 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-11-29 01:33:55,620 INFO L231 Difference]: Finished difference. Result has 440 places, 441 transitions, 902 flow [2023-11-29 01:33:55,622 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=440, PETRI_TRANSITIONS=441} [2023-11-29 01:33:55,625 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -61 predicate places. [2023-11-29 01:33:55,626 INFO L495 AbstractCegarLoop]: Abstraction has has 440 places, 441 transitions, 902 flow [2023-11-29 01:33:55,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.3333333333333) internal successors, (1477), 3 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:55,627 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:55,627 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] [2023-11-29 01:33:55,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 01:33:55,628 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:33:55,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:55,628 INFO L85 PathProgramCache]: Analyzing trace with hash -971507682, now seen corresponding path program 1 times [2023-11-29 01:33:55,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:55,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078410783] [2023-11-29 01:33:55,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:55,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:55,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:55,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:55,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078410783] [2023-11-29 01:33:55,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078410783] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:55,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:55,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:33:55,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658891903] [2023-11-29 01:33:55,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:55,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:33:55,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:55,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:33:55,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:33:55,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 491 out of 608 [2023-11-29 01:33:55,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 441 transitions, 902 flow. Second operand has 3 states, 3 states have (on average 492.3333333333333) internal successors, (1477), 3 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:55,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:55,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 491 of 608 [2023-11-29 01:33:55,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:56,945 INFO L124 PetriNetUnfolderBase]: 1361/4026 cut-off events. [2023-11-29 01:33:56,946 INFO L125 PetriNetUnfolderBase]: For 314/362 co-relation queries the response was YES. [2023-11-29 01:33:56,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5909 conditions, 4026 events. 1361/4026 cut-off events. For 314/362 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 28588 event pairs, 591 based on Foata normal form. 0/3248 useless extension candidates. Maximal degree in co-relation 5871. Up to 1720 conditions per place. [2023-11-29 01:33:57,006 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 31 selfloop transitions, 2 changer transitions 0/440 dead transitions. [2023-11-29 01:33:57,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 440 transitions, 966 flow [2023-11-29 01:33:57,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:33:57,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:33:57,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1507 transitions. [2023-11-29 01:33:57,011 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8262061403508771 [2023-11-29 01:33:57,012 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1507 transitions. [2023-11-29 01:33:57,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1507 transitions. [2023-11-29 01:33:57,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:57,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1507 transitions. [2023-11-29 01:33:57,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 502.3333333333333) internal successors, (1507), 3 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:57,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:57,023 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:57,024 INFO L175 Difference]: Start difference. First operand has 440 places, 441 transitions, 902 flow. Second operand 3 states and 1507 transitions. [2023-11-29 01:33:57,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 440 transitions, 966 flow [2023-11-29 01:33:57,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 440 transitions, 962 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:33:57,033 INFO L231 Difference]: Finished difference. Result has 435 places, 440 transitions, 900 flow [2023-11-29 01:33:57,034 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=435, PETRI_TRANSITIONS=440} [2023-11-29 01:33:57,035 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -66 predicate places. [2023-11-29 01:33:57,035 INFO L495 AbstractCegarLoop]: Abstraction has has 435 places, 440 transitions, 900 flow [2023-11-29 01:33:57,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.3333333333333) internal successors, (1477), 3 states have internal predecessors, (1477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:57,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:57,037 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] [2023-11-29 01:33:57,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 01:33:57,037 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:33:57,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:57,038 INFO L85 PathProgramCache]: Analyzing trace with hash -995606287, now seen corresponding path program 1 times [2023-11-29 01:33:57,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:57,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408397138] [2023-11-29 01:33:57,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:57,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:57,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:57,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408397138] [2023-11-29 01:33:57,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408397138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:57,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:57,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:33:57,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590119549] [2023-11-29 01:33:57,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:57,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:33:57,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:57,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:33:57,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:33:57,105 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 494 out of 608 [2023-11-29 01:33:57,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 440 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:57,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:57,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 494 of 608 [2023-11-29 01:33:57,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:57,915 INFO L124 PetriNetUnfolderBase]: 1315/3920 cut-off events. [2023-11-29 01:33:57,915 INFO L125 PetriNetUnfolderBase]: For 305/353 co-relation queries the response was YES. [2023-11-29 01:33:57,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5733 conditions, 3920 events. 1315/3920 cut-off events. For 305/353 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 27590 event pairs, 565 based on Foata normal form. 0/3162 useless extension candidates. Maximal degree in co-relation 5687. Up to 1654 conditions per place. [2023-11-29 01:33:57,980 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 29 selfloop transitions, 2 changer transitions 0/439 dead transitions. [2023-11-29 01:33:57,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 439 transitions, 960 flow [2023-11-29 01:33:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:33:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:33:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1514 transitions. [2023-11-29 01:33:57,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8300438596491229 [2023-11-29 01:33:57,987 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1514 transitions. [2023-11-29 01:33:57,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1514 transitions. [2023-11-29 01:33:57,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:57,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1514 transitions. [2023-11-29 01:33:57,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 504.6666666666667) internal successors, (1514), 3 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:58,002 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:58,004 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:58,004 INFO L175 Difference]: Start difference. First operand has 435 places, 440 transitions, 900 flow. Second operand 3 states and 1514 transitions. [2023-11-29 01:33:58,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 439 transitions, 960 flow [2023-11-29 01:33:58,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 439 transitions, 956 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:33:58,017 INFO L231 Difference]: Finished difference. Result has 434 places, 439 transitions, 898 flow [2023-11-29 01:33:58,018 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=434, PETRI_TRANSITIONS=439} [2023-11-29 01:33:58,019 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -67 predicate places. [2023-11-29 01:33:58,019 INFO L495 AbstractCegarLoop]: Abstraction has has 434 places, 439 transitions, 898 flow [2023-11-29 01:33:58,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:58,021 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:58,021 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] [2023-11-29 01:33:58,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 01:33:58,021 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:33:58,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:58,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1949500246, now seen corresponding path program 1 times [2023-11-29 01:33:58,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:58,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614553577] [2023-11-29 01:33:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:58,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:58,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:58,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614553577] [2023-11-29 01:33:58,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614553577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:58,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:58,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:33:58,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82540294] [2023-11-29 01:33:58,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:58,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:33:58,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:58,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:33:58,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:33:58,090 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 494 out of 608 [2023-11-29 01:33:58,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 434 places, 439 transitions, 898 flow. Second operand has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:58,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:58,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 494 of 608 [2023-11-29 01:33:58,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:58,958 INFO L124 PetriNetUnfolderBase]: 1315/3919 cut-off events. [2023-11-29 01:33:58,958 INFO L125 PetriNetUnfolderBase]: For 305/353 co-relation queries the response was YES. [2023-11-29 01:33:58,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5732 conditions, 3919 events. 1315/3919 cut-off events. For 305/353 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 27643 event pairs, 565 based on Foata normal form. 0/3162 useless extension candidates. Maximal degree in co-relation 5678. Up to 1654 conditions per place. [2023-11-29 01:33:58,994 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 29 selfloop transitions, 2 changer transitions 0/438 dead transitions. [2023-11-29 01:33:58,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 438 transitions, 958 flow [2023-11-29 01:33:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:33:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:33:58,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1514 transitions. [2023-11-29 01:33:59,000 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8300438596491229 [2023-11-29 01:33:59,000 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1514 transitions. [2023-11-29 01:33:59,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1514 transitions. [2023-11-29 01:33:59,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:59,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1514 transitions. [2023-11-29 01:33:59,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 504.6666666666667) internal successors, (1514), 3 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:59,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:59,015 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:59,015 INFO L175 Difference]: Start difference. First operand has 434 places, 439 transitions, 898 flow. Second operand 3 states and 1514 transitions. [2023-11-29 01:33:59,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 438 transitions, 958 flow [2023-11-29 01:33:59,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 438 transitions, 954 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:33:59,025 INFO L231 Difference]: Finished difference. Result has 433 places, 438 transitions, 896 flow [2023-11-29 01:33:59,026 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=896, PETRI_PLACES=433, PETRI_TRANSITIONS=438} [2023-11-29 01:33:59,027 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -68 predicate places. [2023-11-29 01:33:59,027 INFO L495 AbstractCegarLoop]: Abstraction has has 433 places, 438 transitions, 896 flow [2023-11-29 01:33:59,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:59,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:59,029 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] [2023-11-29 01:33:59,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 01:33:59,029 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:33:59,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:59,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1292014865, now seen corresponding path program 1 times [2023-11-29 01:33:59,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:59,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175999477] [2023-11-29 01:33:59,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:59,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:59,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:59,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:59,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175999477] [2023-11-29 01:33:59,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175999477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:59,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:59,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:33:59,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103094052] [2023-11-29 01:33:59,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:59,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:33:59,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:59,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:33:59,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:33:59,090 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 494 out of 608 [2023-11-29 01:33:59,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 438 transitions, 896 flow. Second operand has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:59,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:33:59,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 494 of 608 [2023-11-29 01:33:59,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:33:59,921 INFO L124 PetriNetUnfolderBase]: 1315/3918 cut-off events. [2023-11-29 01:33:59,922 INFO L125 PetriNetUnfolderBase]: For 305/353 co-relation queries the response was YES. [2023-11-29 01:33:59,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5731 conditions, 3918 events. 1315/3918 cut-off events. For 305/353 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 27576 event pairs, 565 based on Foata normal form. 0/3162 useless extension candidates. Maximal degree in co-relation 5669. Up to 1654 conditions per place. [2023-11-29 01:33:59,953 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 29 selfloop transitions, 2 changer transitions 0/437 dead transitions. [2023-11-29 01:33:59,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 437 transitions, 956 flow [2023-11-29 01:33:59,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:33:59,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:33:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1514 transitions. [2023-11-29 01:33:59,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8300438596491229 [2023-11-29 01:33:59,957 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1514 transitions. [2023-11-29 01:33:59,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1514 transitions. [2023-11-29 01:33:59,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:59,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1514 transitions. [2023-11-29 01:33:59,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 504.6666666666667) internal successors, (1514), 3 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:59,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:59,966 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:59,966 INFO L175 Difference]: Start difference. First operand has 433 places, 438 transitions, 896 flow. Second operand 3 states and 1514 transitions. [2023-11-29 01:33:59,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 437 transitions, 956 flow [2023-11-29 01:33:59,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 437 transitions, 952 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:33:59,974 INFO L231 Difference]: Finished difference. Result has 432 places, 437 transitions, 894 flow [2023-11-29 01:33:59,975 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=432, PETRI_TRANSITIONS=437} [2023-11-29 01:33:59,975 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -69 predicate places. [2023-11-29 01:33:59,976 INFO L495 AbstractCegarLoop]: Abstraction has has 432 places, 437 transitions, 894 flow [2023-11-29 01:33:59,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:59,977 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:33:59,977 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] [2023-11-29 01:33:59,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 01:33:59,977 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:33:59,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:59,978 INFO L85 PathProgramCache]: Analyzing trace with hash -969045149, now seen corresponding path program 1 times [2023-11-29 01:33:59,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:59,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596186903] [2023-11-29 01:33:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:59,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:00,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:00,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:00,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596186903] [2023-11-29 01:34:00,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596186903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:00,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:00,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:00,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886822380] [2023-11-29 01:34:00,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:00,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:00,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:00,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:00,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:00,034 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 494 out of 608 [2023-11-29 01:34:00,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 437 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:00,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:00,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 494 of 608 [2023-11-29 01:34:00,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:00,788 INFO L124 PetriNetUnfolderBase]: 1315/3917 cut-off events. [2023-11-29 01:34:00,788 INFO L125 PetriNetUnfolderBase]: For 305/353 co-relation queries the response was YES. [2023-11-29 01:34:00,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5730 conditions, 3917 events. 1315/3917 cut-off events. For 305/353 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 27558 event pairs, 565 based on Foata normal form. 0/3162 useless extension candidates. Maximal degree in co-relation 5660. Up to 1654 conditions per place. [2023-11-29 01:34:00,824 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 29 selfloop transitions, 2 changer transitions 0/436 dead transitions. [2023-11-29 01:34:00,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 436 transitions, 954 flow [2023-11-29 01:34:00,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:00,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1514 transitions. [2023-11-29 01:34:00,829 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8300438596491229 [2023-11-29 01:34:00,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1514 transitions. [2023-11-29 01:34:00,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1514 transitions. [2023-11-29 01:34:00,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:00,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1514 transitions. [2023-11-29 01:34:00,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 504.6666666666667) internal successors, (1514), 3 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:00,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:00,840 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:00,840 INFO L175 Difference]: Start difference. First operand has 432 places, 437 transitions, 894 flow. Second operand 3 states and 1514 transitions. [2023-11-29 01:34:00,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 436 transitions, 954 flow [2023-11-29 01:34:00,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 431 places, 436 transitions, 950 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:00,848 INFO L231 Difference]: Finished difference. Result has 431 places, 436 transitions, 892 flow [2023-11-29 01:34:00,849 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=888, PETRI_DIFFERENCE_MINUEND_PLACES=429, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=434, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=892, PETRI_PLACES=431, PETRI_TRANSITIONS=436} [2023-11-29 01:34:00,850 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -70 predicate places. [2023-11-29 01:34:00,850 INFO L495 AbstractCegarLoop]: Abstraction has has 431 places, 436 transitions, 892 flow [2023-11-29 01:34:00,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:00,851 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:00,852 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] [2023-11-29 01:34:00,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 01:34:00,852 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:00,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:00,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1565374181, now seen corresponding path program 1 times [2023-11-29 01:34:00,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:00,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233129636] [2023-11-29 01:34:00,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:00,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:00,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:00,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233129636] [2023-11-29 01:34:00,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233129636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:00,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:00,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:00,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630651710] [2023-11-29 01:34:00,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:00,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:00,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:00,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:00,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:00,948 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 488 out of 608 [2023-11-29 01:34:00,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 436 transitions, 892 flow. Second operand has 3 states, 3 states have (on average 489.3333333333333) internal successors, (1468), 3 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:00,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:00,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 488 of 608 [2023-11-29 01:34:00,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:01,852 INFO L124 PetriNetUnfolderBase]: 1315/3916 cut-off events. [2023-11-29 01:34:01,852 INFO L125 PetriNetUnfolderBase]: For 305/353 co-relation queries the response was YES. [2023-11-29 01:34:01,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5735 conditions, 3916 events. 1315/3916 cut-off events. For 305/353 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 27729 event pairs, 565 based on Foata normal form. 0/3162 useless extension candidates. Maximal degree in co-relation 5657. Up to 1660 conditions per place. [2023-11-29 01:34:01,881 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 35 selfloop transitions, 2 changer transitions 0/435 dead transitions. [2023-11-29 01:34:01,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 435 transitions, 964 flow [2023-11-29 01:34:01,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:01,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:01,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1502 transitions. [2023-11-29 01:34:01,886 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8234649122807017 [2023-11-29 01:34:01,886 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1502 transitions. [2023-11-29 01:34:01,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1502 transitions. [2023-11-29 01:34:01,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:01,888 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1502 transitions. [2023-11-29 01:34:01,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 500.6666666666667) internal successors, (1502), 3 states have internal predecessors, (1502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:01,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:01,897 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:01,897 INFO L175 Difference]: Start difference. First operand has 431 places, 436 transitions, 892 flow. Second operand 3 states and 1502 transitions. [2023-11-29 01:34:01,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 435 transitions, 964 flow [2023-11-29 01:34:01,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 435 transitions, 960 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:01,907 INFO L231 Difference]: Finished difference. Result has 430 places, 435 transitions, 890 flow [2023-11-29 01:34:01,908 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=890, PETRI_PLACES=430, PETRI_TRANSITIONS=435} [2023-11-29 01:34:01,909 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -71 predicate places. [2023-11-29 01:34:01,909 INFO L495 AbstractCegarLoop]: Abstraction has has 430 places, 435 transitions, 890 flow [2023-11-29 01:34:01,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 489.3333333333333) internal successors, (1468), 3 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:01,910 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:01,910 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] [2023-11-29 01:34:01,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 01:34:01,911 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:01,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:01,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1958188051, now seen corresponding path program 1 times [2023-11-29 01:34:01,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:01,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589610916] [2023-11-29 01:34:01,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:01,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:01,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:01,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:01,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589610916] [2023-11-29 01:34:01,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589610916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:01,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:01,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:01,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698392638] [2023-11-29 01:34:01,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:01,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:01,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:01,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:01,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:01,973 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 493 out of 608 [2023-11-29 01:34:01,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 435 transitions, 890 flow. Second operand has 3 states, 3 states have (on average 494.3333333333333) internal successors, (1483), 3 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:01,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:01,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 493 of 608 [2023-11-29 01:34:01,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:02,652 INFO L124 PetriNetUnfolderBase]: 1315/3915 cut-off events. [2023-11-29 01:34:02,652 INFO L125 PetriNetUnfolderBase]: For 305/353 co-relation queries the response was YES. [2023-11-29 01:34:02,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5729 conditions, 3915 events. 1315/3915 cut-off events. For 305/353 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 27572 event pairs, 565 based on Foata normal form. 0/3162 useless extension candidates. Maximal degree in co-relation 5643. Up to 1655 conditions per place. [2023-11-29 01:34:02,689 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 30 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2023-11-29 01:34:02,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 434 transitions, 952 flow [2023-11-29 01:34:02,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:02,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1512 transitions. [2023-11-29 01:34:02,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8289473684210527 [2023-11-29 01:34:02,694 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1512 transitions. [2023-11-29 01:34:02,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1512 transitions. [2023-11-29 01:34:02,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:02,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1512 transitions. [2023-11-29 01:34:02,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:02,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:02,702 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:02,703 INFO L175 Difference]: Start difference. First operand has 430 places, 435 transitions, 890 flow. Second operand 3 states and 1512 transitions. [2023-11-29 01:34:02,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 434 transitions, 952 flow [2023-11-29 01:34:02,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 434 transitions, 948 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:02,713 INFO L231 Difference]: Finished difference. Result has 429 places, 434 transitions, 888 flow [2023-11-29 01:34:02,714 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=429, PETRI_TRANSITIONS=434} [2023-11-29 01:34:02,714 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -72 predicate places. [2023-11-29 01:34:02,715 INFO L495 AbstractCegarLoop]: Abstraction has has 429 places, 434 transitions, 888 flow [2023-11-29 01:34:02,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.3333333333333) internal successors, (1483), 3 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:02,715 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:02,716 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:34:02,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 01:34:02,716 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:02,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:02,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1122814909, now seen corresponding path program 1 times [2023-11-29 01:34:02,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:02,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801085491] [2023-11-29 01:34:02,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:02,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:02,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:02,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801085491] [2023-11-29 01:34:02,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801085491] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:02,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:02,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:02,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762644099] [2023-11-29 01:34:02,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:02,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:02,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:02,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:02,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:02,780 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 493 out of 608 [2023-11-29 01:34:02,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 434 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 494.3333333333333) internal successors, (1483), 3 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:02,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:02,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 493 of 608 [2023-11-29 01:34:02,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:03,614 INFO L124 PetriNetUnfolderBase]: 1315/3914 cut-off events. [2023-11-29 01:34:03,614 INFO L125 PetriNetUnfolderBase]: For 305/353 co-relation queries the response was YES. [2023-11-29 01:34:03,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5728 conditions, 3914 events. 1315/3914 cut-off events. For 305/353 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 27664 event pairs, 565 based on Foata normal form. 0/3162 useless extension candidates. Maximal degree in co-relation 5634. Up to 1655 conditions per place. [2023-11-29 01:34:03,670 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 30 selfloop transitions, 2 changer transitions 0/433 dead transitions. [2023-11-29 01:34:03,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 433 transitions, 950 flow [2023-11-29 01:34:03,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1512 transitions. [2023-11-29 01:34:03,675 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8289473684210527 [2023-11-29 01:34:03,675 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1512 transitions. [2023-11-29 01:34:03,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1512 transitions. [2023-11-29 01:34:03,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:03,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1512 transitions. [2023-11-29 01:34:03,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:03,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:03,681 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:03,681 INFO L175 Difference]: Start difference. First operand has 429 places, 434 transitions, 888 flow. Second operand 3 states and 1512 transitions. [2023-11-29 01:34:03,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 433 transitions, 950 flow [2023-11-29 01:34:03,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 433 transitions, 946 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:03,688 INFO L231 Difference]: Finished difference. Result has 428 places, 433 transitions, 886 flow [2023-11-29 01:34:03,689 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=886, PETRI_PLACES=428, PETRI_TRANSITIONS=433} [2023-11-29 01:34:03,690 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -73 predicate places. [2023-11-29 01:34:03,690 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 433 transitions, 886 flow [2023-11-29 01:34:03,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.3333333333333) internal successors, (1483), 3 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:03,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:03,691 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] [2023-11-29 01:34:03,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 01:34:03,691 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:03,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:03,692 INFO L85 PathProgramCache]: Analyzing trace with hash 418709339, now seen corresponding path program 1 times [2023-11-29 01:34:03,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:03,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580917909] [2023-11-29 01:34:03,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:03,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:03,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:03,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:03,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580917909] [2023-11-29 01:34:03,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580917909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:03,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:03,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:03,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049866929] [2023-11-29 01:34:03,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:03,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:03,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:03,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:03,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:03,748 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 493 out of 608 [2023-11-29 01:34:03,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 433 transitions, 886 flow. Second operand has 3 states, 3 states have (on average 494.3333333333333) internal successors, (1483), 3 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:03,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:03,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 493 of 608 [2023-11-29 01:34:03,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:04,367 INFO L124 PetriNetUnfolderBase]: 1315/3913 cut-off events. [2023-11-29 01:34:04,367 INFO L125 PetriNetUnfolderBase]: For 305/353 co-relation queries the response was YES. [2023-11-29 01:34:04,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5727 conditions, 3913 events. 1315/3913 cut-off events. For 305/353 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 27619 event pairs, 565 based on Foata normal form. 0/3162 useless extension candidates. Maximal degree in co-relation 5625. Up to 1655 conditions per place. [2023-11-29 01:34:04,403 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 30 selfloop transitions, 2 changer transitions 0/432 dead transitions. [2023-11-29 01:34:04,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 432 transitions, 948 flow [2023-11-29 01:34:04,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:04,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1512 transitions. [2023-11-29 01:34:04,407 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8289473684210527 [2023-11-29 01:34:04,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1512 transitions. [2023-11-29 01:34:04,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1512 transitions. [2023-11-29 01:34:04,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:04,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1512 transitions. [2023-11-29 01:34:04,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:04,413 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:04,413 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:04,413 INFO L175 Difference]: Start difference. First operand has 428 places, 433 transitions, 886 flow. Second operand 3 states and 1512 transitions. [2023-11-29 01:34:04,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 432 transitions, 948 flow [2023-11-29 01:34:04,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 432 transitions, 944 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:04,420 INFO L231 Difference]: Finished difference. Result has 427 places, 432 transitions, 884 flow [2023-11-29 01:34:04,420 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=427, PETRI_TRANSITIONS=432} [2023-11-29 01:34:04,421 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -74 predicate places. [2023-11-29 01:34:04,421 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 432 transitions, 884 flow [2023-11-29 01:34:04,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.3333333333333) internal successors, (1483), 3 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:04,422 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:04,422 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] [2023-11-29 01:34:04,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 01:34:04,422 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:04,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:04,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1515953364, now seen corresponding path program 1 times [2023-11-29 01:34:04,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:04,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231745725] [2023-11-29 01:34:04,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:04,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:04,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:04,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231745725] [2023-11-29 01:34:04,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231745725] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:04,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:04,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:04,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696895390] [2023-11-29 01:34:04,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:04,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:04,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:04,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:04,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:04,486 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 493 out of 608 [2023-11-29 01:34:04,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 432 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 494.3333333333333) internal successors, (1483), 3 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:04,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:04,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 493 of 608 [2023-11-29 01:34:04,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:05,153 INFO L124 PetriNetUnfolderBase]: 1315/3912 cut-off events. [2023-11-29 01:34:05,153 INFO L125 PetriNetUnfolderBase]: For 305/353 co-relation queries the response was YES. [2023-11-29 01:34:05,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5726 conditions, 3912 events. 1315/3912 cut-off events. For 305/353 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 27608 event pairs, 565 based on Foata normal form. 0/3162 useless extension candidates. Maximal degree in co-relation 5616. Up to 1655 conditions per place. [2023-11-29 01:34:05,191 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 30 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2023-11-29 01:34:05,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 431 transitions, 946 flow [2023-11-29 01:34:05,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1512 transitions. [2023-11-29 01:34:05,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8289473684210527 [2023-11-29 01:34:05,196 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1512 transitions. [2023-11-29 01:34:05,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1512 transitions. [2023-11-29 01:34:05,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:05,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1512 transitions. [2023-11-29 01:34:05,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 504.0) internal successors, (1512), 3 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:05,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:05,202 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:05,203 INFO L175 Difference]: Start difference. First operand has 427 places, 432 transitions, 884 flow. Second operand 3 states and 1512 transitions. [2023-11-29 01:34:05,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 431 transitions, 946 flow [2023-11-29 01:34:05,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 431 transitions, 942 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:05,209 INFO L231 Difference]: Finished difference. Result has 426 places, 431 transitions, 882 flow [2023-11-29 01:34:05,210 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=426, PETRI_TRANSITIONS=431} [2023-11-29 01:34:05,211 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -75 predicate places. [2023-11-29 01:34:05,211 INFO L495 AbstractCegarLoop]: Abstraction has has 426 places, 431 transitions, 882 flow [2023-11-29 01:34:05,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 494.3333333333333) internal successors, (1483), 3 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:05,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:05,211 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] [2023-11-29 01:34:05,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 01:34:05,212 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:05,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:05,212 INFO L85 PathProgramCache]: Analyzing trace with hash 733431462, now seen corresponding path program 1 times [2023-11-29 01:34:05,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:05,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406220310] [2023-11-29 01:34:05,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:05,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:05,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:05,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406220310] [2023-11-29 01:34:05,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406220310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:05,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:05,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:05,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226359522] [2023-11-29 01:34:05,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:05,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:05,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:05,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:05,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:05,285 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 488 out of 608 [2023-11-29 01:34:05,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 431 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 489.3333333333333) internal successors, (1468), 3 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:05,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:05,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 488 of 608 [2023-11-29 01:34:05,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:05,965 INFO L124 PetriNetUnfolderBase]: 1402/4181 cut-off events. [2023-11-29 01:34:05,965 INFO L125 PetriNetUnfolderBase]: For 321/373 co-relation queries the response was YES. [2023-11-29 01:34:05,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6128 conditions, 4181 events. 1402/4181 cut-off events. For 321/373 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 30069 event pairs, 613 based on Foata normal form. 0/3389 useless extension candidates. Maximal degree in co-relation 6010. Up to 1780 conditions per place. [2023-11-29 01:34:05,999 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 33 selfloop transitions, 2 changer transitions 0/430 dead transitions. [2023-11-29 01:34:05,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 430 transitions, 950 flow [2023-11-29 01:34:06,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:06,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:06,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1500 transitions. [2023-11-29 01:34:06,003 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8223684210526315 [2023-11-29 01:34:06,003 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1500 transitions. [2023-11-29 01:34:06,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1500 transitions. [2023-11-29 01:34:06,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:06,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1500 transitions. [2023-11-29 01:34:06,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 500.0) internal successors, (1500), 3 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:06,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:06,009 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:06,009 INFO L175 Difference]: Start difference. First operand has 426 places, 431 transitions, 882 flow. Second operand 3 states and 1500 transitions. [2023-11-29 01:34:06,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 430 transitions, 950 flow [2023-11-29 01:34:06,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 430 transitions, 946 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:06,015 INFO L231 Difference]: Finished difference. Result has 425 places, 430 transitions, 880 flow [2023-11-29 01:34:06,016 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=428, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=425, PETRI_TRANSITIONS=430} [2023-11-29 01:34:06,017 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -76 predicate places. [2023-11-29 01:34:06,017 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 430 transitions, 880 flow [2023-11-29 01:34:06,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 489.3333333333333) internal successors, (1468), 3 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:06,017 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:06,018 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] [2023-11-29 01:34:06,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 01:34:06,018 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:06,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:06,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1591190514, now seen corresponding path program 1 times [2023-11-29 01:34:06,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:06,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029791164] [2023-11-29 01:34:06,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:06,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:06,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:06,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:06,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029791164] [2023-11-29 01:34:06,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029791164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:06,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:06,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:06,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947190419] [2023-11-29 01:34:06,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:06,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:06,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:06,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:06,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:06,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 608 [2023-11-29 01:34:06,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 430 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:06,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:06,087 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 608 [2023-11-29 01:34:06,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:06,911 INFO L124 PetriNetUnfolderBase]: 1507/4602 cut-off events. [2023-11-29 01:34:06,911 INFO L125 PetriNetUnfolderBase]: For 343/391 co-relation queries the response was YES. [2023-11-29 01:34:06,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6708 conditions, 4602 events. 1507/4602 cut-off events. For 343/391 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 33591 event pairs, 676 based on Foata normal form. 0/3770 useless extension candidates. Maximal degree in co-relation 6582. Up to 1928 conditions per place. [2023-11-29 01:34:06,952 INFO L140 encePairwiseOnDemand]: 603/608 looper letters, 34 selfloop transitions, 1 changer transitions 0/426 dead transitions. [2023-11-29 01:34:06,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 426 transitions, 942 flow [2023-11-29 01:34:06,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1485 transitions. [2023-11-29 01:34:06,956 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8141447368421053 [2023-11-29 01:34:06,956 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1485 transitions. [2023-11-29 01:34:06,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1485 transitions. [2023-11-29 01:34:06,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:06,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1485 transitions. [2023-11-29 01:34:06,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 495.0) internal successors, (1485), 3 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:06,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:06,961 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:06,961 INFO L175 Difference]: Start difference. First operand has 425 places, 430 transitions, 880 flow. Second operand 3 states and 1485 transitions. [2023-11-29 01:34:06,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 426 transitions, 942 flow [2023-11-29 01:34:06,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 426 transitions, 938 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:06,968 INFO L231 Difference]: Finished difference. Result has 421 places, 426 transitions, 870 flow [2023-11-29 01:34:06,969 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=870, PETRI_PLACES=421, PETRI_TRANSITIONS=426} [2023-11-29 01:34:06,969 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -80 predicate places. [2023-11-29 01:34:06,970 INFO L495 AbstractCegarLoop]: Abstraction has has 421 places, 426 transitions, 870 flow [2023-11-29 01:34:06,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:06,970 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:06,970 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] [2023-11-29 01:34:06,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 01:34:06,970 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:06,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:06,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1896467054, now seen corresponding path program 1 times [2023-11-29 01:34:06,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:06,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296031446] [2023-11-29 01:34:06,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:06,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:07,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:07,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:07,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296031446] [2023-11-29 01:34:07,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296031446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:07,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:07,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:07,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687901780] [2023-11-29 01:34:07,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:07,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:07,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:07,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:07,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:07,030 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 494 out of 608 [2023-11-29 01:34:07,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 426 transitions, 870 flow. Second operand has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:07,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:07,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 494 of 608 [2023-11-29 01:34:07,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:07,670 INFO L124 PetriNetUnfolderBase]: 1315/3898 cut-off events. [2023-11-29 01:34:07,671 INFO L125 PetriNetUnfolderBase]: For 305/353 co-relation queries the response was YES. [2023-11-29 01:34:07,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5710 conditions, 3898 events. 1315/3898 cut-off events. For 305/353 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 27457 event pairs, 565 based on Foata normal form. 0/3162 useless extension candidates. Maximal degree in co-relation 5584. Up to 1654 conditions per place. [2023-11-29 01:34:07,701 INFO L140 encePairwiseOnDemand]: 605/608 looper letters, 29 selfloop transitions, 2 changer transitions 0/425 dead transitions. [2023-11-29 01:34:07,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 425 transitions, 930 flow [2023-11-29 01:34:07,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1514 transitions. [2023-11-29 01:34:07,705 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8300438596491229 [2023-11-29 01:34:07,705 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1514 transitions. [2023-11-29 01:34:07,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1514 transitions. [2023-11-29 01:34:07,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:07,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1514 transitions. [2023-11-29 01:34:07,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 504.6666666666667) internal successors, (1514), 3 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:07,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:07,711 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:07,711 INFO L175 Difference]: Start difference. First operand has 421 places, 426 transitions, 870 flow. Second operand 3 states and 1514 transitions. [2023-11-29 01:34:07,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 425 transitions, 930 flow [2023-11-29 01:34:07,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 425 transitions, 929 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:34:07,717 INFO L231 Difference]: Finished difference. Result has 421 places, 425 transitions, 871 flow [2023-11-29 01:34:07,718 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=867, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=423, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=871, PETRI_PLACES=421, PETRI_TRANSITIONS=425} [2023-11-29 01:34:07,719 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -80 predicate places. [2023-11-29 01:34:07,719 INFO L495 AbstractCegarLoop]: Abstraction has has 421 places, 425 transitions, 871 flow [2023-11-29 01:34:07,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 495.3333333333333) internal successors, (1486), 3 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:07,719 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:07,720 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:34:07,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 01:34:07,720 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:07,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:07,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1613812528, now seen corresponding path program 1 times [2023-11-29 01:34:07,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:07,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080151840] [2023-11-29 01:34:07,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:07,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:08,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:08,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:08,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080151840] [2023-11-29 01:34:08,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080151840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:08,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:08,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:34:08,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297614192] [2023-11-29 01:34:08,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:08,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:34:08,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:08,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:34:08,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:34:08,545 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 455 out of 608 [2023-11-29 01:34:08,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 425 transitions, 871 flow. Second operand has 6 states, 6 states have (on average 456.5) internal successors, (2739), 6 states have internal predecessors, (2739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:08,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:08,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 455 of 608 [2023-11-29 01:34:08,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:45,104 INFO L124 PetriNetUnfolderBase]: 113470/192338 cut-off events. [2023-11-29 01:34:45,104 INFO L125 PetriNetUnfolderBase]: For 5395/6366 co-relation queries the response was YES. [2023-11-29 01:34:46,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330700 conditions, 192338 events. 113470/192338 cut-off events. For 5395/6366 co-relation queries the response was YES. Maximal size of possible extension queue 5980. Compared 1917559 event pairs, 81496 based on Foata normal form. 0/172477 useless extension candidates. Maximal degree in co-relation 330575. Up to 135636 conditions per place. [2023-11-29 01:34:47,191 INFO L140 encePairwiseOnDemand]: 602/608 looper letters, 58 selfloop transitions, 5 changer transitions 0/424 dead transitions. [2023-11-29 01:34:47,192 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 424 transitions, 995 flow [2023-11-29 01:34:47,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:34:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:34:47,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2794 transitions. [2023-11-29 01:34:47,198 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7658991228070176 [2023-11-29 01:34:47,198 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2794 transitions. [2023-11-29 01:34:47,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2794 transitions. [2023-11-29 01:34:47,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:47,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2794 transitions. [2023-11-29 01:34:47,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 465.6666666666667) internal successors, (2794), 6 states have internal predecessors, (2794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:47,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:47,209 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:47,209 INFO L175 Difference]: Start difference. First operand has 421 places, 425 transitions, 871 flow. Second operand 6 states and 2794 transitions. [2023-11-29 01:34:47,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 424 transitions, 995 flow [2023-11-29 01:34:47,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 424 transitions, 991 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:47,219 INFO L231 Difference]: Finished difference. Result has 423 places, 424 transitions, 875 flow [2023-11-29 01:34:47,220 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=865, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=875, PETRI_PLACES=423, PETRI_TRANSITIONS=424} [2023-11-29 01:34:47,220 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -78 predicate places. [2023-11-29 01:34:47,220 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 424 transitions, 875 flow [2023-11-29 01:34:47,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 456.5) internal successors, (2739), 6 states have internal predecessors, (2739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:47,221 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:47,221 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] [2023-11-29 01:34:47,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 01:34:47,222 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:47,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:47,222 INFO L85 PathProgramCache]: Analyzing trace with hash -334360069, now seen corresponding path program 1 times [2023-11-29 01:34:47,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:47,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732691242] [2023-11-29 01:34:47,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:47,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:47,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:47,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:47,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732691242] [2023-11-29 01:34:47,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732691242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:47,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:47,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:47,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544302162] [2023-11-29 01:34:47,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:47,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:47,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:47,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:47,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:47,443 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 482 out of 608 [2023-11-29 01:34:47,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 424 transitions, 875 flow. Second operand has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:47,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:47,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 482 of 608 [2023-11-29 01:34:47,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:48,686 INFO L124 PetriNetUnfolderBase]: 1837/5360 cut-off events. [2023-11-29 01:34:48,686 INFO L125 PetriNetUnfolderBase]: For 407/455 co-relation queries the response was YES. [2023-11-29 01:34:48,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7921 conditions, 5360 events. 1837/5360 cut-off events. For 407/455 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 41706 event pairs, 410 based on Foata normal form. 1/4447 useless extension candidates. Maximal degree in co-relation 7903. Up to 1179 conditions per place. [2023-11-29 01:34:48,744 INFO L140 encePairwiseOnDemand]: 599/608 looper letters, 58 selfloop transitions, 3 changer transitions 0/440 dead transitions. [2023-11-29 01:34:48,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 440 transitions, 1041 flow [2023-11-29 01:34:48,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:48,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1513 transitions. [2023-11-29 01:34:48,749 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8294956140350878 [2023-11-29 01:34:48,750 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1513 transitions. [2023-11-29 01:34:48,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1513 transitions. [2023-11-29 01:34:48,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:48,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1513 transitions. [2023-11-29 01:34:48,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 504.3333333333333) internal successors, (1513), 3 states have internal predecessors, (1513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:48,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:48,759 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:48,760 INFO L175 Difference]: Start difference. First operand has 423 places, 424 transitions, 875 flow. Second operand 3 states and 1513 transitions. [2023-11-29 01:34:48,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 440 transitions, 1041 flow [2023-11-29 01:34:48,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 440 transitions, 1031 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:34:48,773 INFO L231 Difference]: Finished difference. Result has 416 places, 420 transitions, 873 flow [2023-11-29 01:34:48,774 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=873, PETRI_PLACES=416, PETRI_TRANSITIONS=420} [2023-11-29 01:34:48,775 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -85 predicate places. [2023-11-29 01:34:48,775 INFO L495 AbstractCegarLoop]: Abstraction has has 416 places, 420 transitions, 873 flow [2023-11-29 01:34:48,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 483.0) internal successors, (1449), 3 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:48,776 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:48,776 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] [2023-11-29 01:34:48,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 01:34:48,776 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:48,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:48,777 INFO L85 PathProgramCache]: Analyzing trace with hash 802581984, now seen corresponding path program 1 times [2023-11-29 01:34:48,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:48,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278447093] [2023-11-29 01:34:48,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:48,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:48,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:48,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278447093] [2023-11-29 01:34:48,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278447093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:48,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:48,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:48,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356498394] [2023-11-29 01:34:48,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:48,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:48,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:48,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:48,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:48,851 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 608 [2023-11-29 01:34:48,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 420 transitions, 873 flow. Second operand has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:48,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:48,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 608 [2023-11-29 01:34:48,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:50,024 INFO L124 PetriNetUnfolderBase]: 2361/6826 cut-off events. [2023-11-29 01:34:50,024 INFO L125 PetriNetUnfolderBase]: For 970/1031 co-relation queries the response was YES. [2023-11-29 01:34:50,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10486 conditions, 6826 events. 2361/6826 cut-off events. For 970/1031 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 56774 event pairs, 666 based on Foata normal form. 0/5680 useless extension candidates. Maximal degree in co-relation 10359. Up to 1640 conditions per place. [2023-11-29 01:34:50,092 INFO L140 encePairwiseOnDemand]: 604/608 looper letters, 50 selfloop transitions, 4 changer transitions 0/442 dead transitions. [2023-11-29 01:34:50,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 442 transitions, 1048 flow [2023-11-29 01:34:50,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:50,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:50,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1542 transitions. [2023-11-29 01:34:50,095 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8453947368421053 [2023-11-29 01:34:50,095 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1542 transitions. [2023-11-29 01:34:50,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1542 transitions. [2023-11-29 01:34:50,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:50,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1542 transitions. [2023-11-29 01:34:50,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 514.0) internal successors, (1542), 3 states have internal predecessors, (1542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:50,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:50,103 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:50,103 INFO L175 Difference]: Start difference. First operand has 416 places, 420 transitions, 873 flow. Second operand 3 states and 1542 transitions. [2023-11-29 01:34:50,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 442 transitions, 1048 flow [2023-11-29 01:34:50,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 442 transitions, 1038 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:50,113 INFO L231 Difference]: Finished difference. Result has 417 places, 422 transitions, 897 flow [2023-11-29 01:34:50,114 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=865, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=417, PETRI_TRANSITIONS=422} [2023-11-29 01:34:50,114 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -84 predicate places. [2023-11-29 01:34:50,114 INFO L495 AbstractCegarLoop]: Abstraction has has 417 places, 422 transitions, 897 flow [2023-11-29 01:34:50,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:50,115 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:50,115 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] [2023-11-29 01:34:50,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 01:34:50,115 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:50,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:50,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1369580865, now seen corresponding path program 1 times [2023-11-29 01:34:50,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:50,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597876471] [2023-11-29 01:34:50,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:50,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:50,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:50,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597876471] [2023-11-29 01:34:50,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597876471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:50,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:50,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:50,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217549732] [2023-11-29 01:34:50,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:50,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:50,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:50,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:50,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:50,170 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 498 out of 608 [2023-11-29 01:34:50,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 422 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:50,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:50,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 498 of 608 [2023-11-29 01:34:50,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:52,191 INFO L124 PetriNetUnfolderBase]: 4041/11306 cut-off events. [2023-11-29 01:34:52,191 INFO L125 PetriNetUnfolderBase]: For 2286/2436 co-relation queries the response was YES. [2023-11-29 01:34:52,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18177 conditions, 11306 events. 4041/11306 cut-off events. For 2286/2436 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 106574 event pairs, 1959 based on Foata normal form. 0/9297 useless extension candidates. Maximal degree in co-relation 18050. Up to 3029 conditions per place. [2023-11-29 01:34:52,287 INFO L140 encePairwiseOnDemand]: 604/608 looper letters, 60 selfloop transitions, 3 changer transitions 0/451 dead transitions. [2023-11-29 01:34:52,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 451 transitions, 1126 flow [2023-11-29 01:34:52,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:52,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1548 transitions. [2023-11-29 01:34:52,291 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8486842105263158 [2023-11-29 01:34:52,291 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1548 transitions. [2023-11-29 01:34:52,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1548 transitions. [2023-11-29 01:34:52,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:52,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1548 transitions. [2023-11-29 01:34:52,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 516.0) internal successors, (1548), 3 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:52,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:52,296 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:52,296 INFO L175 Difference]: Start difference. First operand has 417 places, 422 transitions, 897 flow. Second operand 3 states and 1548 transitions. [2023-11-29 01:34:52,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 451 transitions, 1126 flow [2023-11-29 01:34:52,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 451 transitions, 1112 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:52,304 INFO L231 Difference]: Finished difference. Result has 418 places, 423 transitions, 907 flow [2023-11-29 01:34:52,304 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=887, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=907, PETRI_PLACES=418, PETRI_TRANSITIONS=423} [2023-11-29 01:34:52,305 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -83 predicate places. [2023-11-29 01:34:52,305 INFO L495 AbstractCegarLoop]: Abstraction has has 418 places, 423 transitions, 907 flow [2023-11-29 01:34:52,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.6666666666667) internal successors, (1496), 3 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:52,305 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:52,305 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] [2023-11-29 01:34:52,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 01:34:52,305 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:52,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:52,306 INFO L85 PathProgramCache]: Analyzing trace with hash -989715383, now seen corresponding path program 1 times [2023-11-29 01:34:52,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:52,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974191748] [2023-11-29 01:34:52,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:52,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:52,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:52,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974191748] [2023-11-29 01:34:52,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974191748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:52,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:52,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:52,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126494816] [2023-11-29 01:34:52,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:52,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:52,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:52,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:52,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:52,366 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 608 [2023-11-29 01:34:52,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 423 transitions, 907 flow. Second operand has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:52,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:52,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 608 [2023-11-29 01:34:52,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:34:55,876 INFO L124 PetriNetUnfolderBase]: 7053/19311 cut-off events. [2023-11-29 01:34:55,876 INFO L125 PetriNetUnfolderBase]: For 3889/4156 co-relation queries the response was YES. [2023-11-29 01:34:55,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31917 conditions, 19311 events. 7053/19311 cut-off events. For 3889/4156 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 200228 event pairs, 3445 based on Foata normal form. 0/15918 useless extension candidates. Maximal degree in co-relation 31788. Up to 5257 conditions per place. [2023-11-29 01:34:56,086 INFO L140 encePairwiseOnDemand]: 604/608 looper letters, 64 selfloop transitions, 4 changer transitions 0/454 dead transitions. [2023-11-29 01:34:56,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 454 transitions, 1156 flow [2023-11-29 01:34:56,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:34:56,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:34:56,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1546 transitions. [2023-11-29 01:34:56,090 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8475877192982456 [2023-11-29 01:34:56,090 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1546 transitions. [2023-11-29 01:34:56,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1546 transitions. [2023-11-29 01:34:56,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:34:56,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1546 transitions. [2023-11-29 01:34:56,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 515.3333333333334) internal successors, (1546), 3 states have internal predecessors, (1546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:56,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:56,095 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:56,095 INFO L175 Difference]: Start difference. First operand has 418 places, 423 transitions, 907 flow. Second operand 3 states and 1546 transitions. [2023-11-29 01:34:56,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 454 transitions, 1156 flow [2023-11-29 01:34:56,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 454 transitions, 1146 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:34:56,104 INFO L231 Difference]: Finished difference. Result has 419 places, 425 transitions, 931 flow [2023-11-29 01:34:56,105 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=899, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=931, PETRI_PLACES=419, PETRI_TRANSITIONS=425} [2023-11-29 01:34:56,105 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -82 predicate places. [2023-11-29 01:34:56,105 INFO L495 AbstractCegarLoop]: Abstraction has has 419 places, 425 transitions, 931 flow [2023-11-29 01:34:56,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 498.0) internal successors, (1494), 3 states have internal predecessors, (1494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:56,105 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:34:56,105 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] [2023-11-29 01:34:56,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 01:34:56,106 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:34:56,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:34:56,106 INFO L85 PathProgramCache]: Analyzing trace with hash -2124890873, now seen corresponding path program 1 times [2023-11-29 01:34:56,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:34:56,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575458121] [2023-11-29 01:34:56,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:34:56,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:34:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:34:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:34:56,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:34:56,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575458121] [2023-11-29 01:34:56,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575458121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:34:56,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:34:56,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:34:56,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152335529] [2023-11-29 01:34:56,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:34:56,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:34:56,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:34:56,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:34:56,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:34:56,173 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 491 out of 608 [2023-11-29 01:34:56,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 425 transitions, 931 flow. Second operand has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:34:56,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:34:56,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 491 of 608 [2023-11-29 01:34:56,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:00,579 INFO L124 PetriNetUnfolderBase]: 9127/24404 cut-off events. [2023-11-29 01:35:00,579 INFO L125 PetriNetUnfolderBase]: For 5705/5979 co-relation queries the response was YES. [2023-11-29 01:35:00,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41417 conditions, 24404 events. 9127/24404 cut-off events. For 5705/5979 co-relation queries the response was YES. Maximal size of possible extension queue 754. Compared 257695 event pairs, 1324 based on Foata normal form. 0/20825 useless extension candidates. Maximal degree in co-relation 41287. Up to 10921 conditions per place. [2023-11-29 01:35:00,979 INFO L140 encePairwiseOnDemand]: 602/608 looper letters, 64 selfloop transitions, 4 changer transitions 0/450 dead transitions. [2023-11-29 01:35:00,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 450 transitions, 1161 flow [2023-11-29 01:35:00,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:00,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1528 transitions. [2023-11-29 01:35:00,983 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8377192982456141 [2023-11-29 01:35:00,983 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1528 transitions. [2023-11-29 01:35:00,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1528 transitions. [2023-11-29 01:35:00,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:00,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1528 transitions. [2023-11-29 01:35:00,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 509.3333333333333) internal successors, (1528), 3 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:00,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:00,988 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:00,988 INFO L175 Difference]: Start difference. First operand has 419 places, 425 transitions, 931 flow. Second operand 3 states and 1528 transitions. [2023-11-29 01:35:00,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 450 transitions, 1161 flow [2023-11-29 01:35:00,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 450 transitions, 1147 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 01:35:01,000 INFO L231 Difference]: Finished difference. Result has 418 places, 426 transitions, 943 flow [2023-11-29 01:35:01,001 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=943, PETRI_PLACES=418, PETRI_TRANSITIONS=426} [2023-11-29 01:35:01,002 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -83 predicate places. [2023-11-29 01:35:01,002 INFO L495 AbstractCegarLoop]: Abstraction has has 418 places, 426 transitions, 943 flow [2023-11-29 01:35:01,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:01,002 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:01,002 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] [2023-11-29 01:35:01,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 01:35:01,003 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:35:01,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:01,003 INFO L85 PathProgramCache]: Analyzing trace with hash -459374635, now seen corresponding path program 1 times [2023-11-29 01:35:01,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:01,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187213931] [2023-11-29 01:35:01,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:01,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:01,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:01,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:01,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187213931] [2023-11-29 01:35:01,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187213931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:01,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:01,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:35:01,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305250067] [2023-11-29 01:35:01,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:01,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:35:01,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:01,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:35:01,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:35:01,068 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 491 out of 608 [2023-11-29 01:35:01,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 426 transitions, 943 flow. Second operand has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:01,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:01,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 491 of 608 [2023-11-29 01:35:01,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:06,880 INFO L124 PetriNetUnfolderBase]: 11489/32260 cut-off events. [2023-11-29 01:35:06,880 INFO L125 PetriNetUnfolderBase]: For 7752/8066 co-relation queries the response was YES. [2023-11-29 01:35:07,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56130 conditions, 32260 events. 11489/32260 cut-off events. For 7752/8066 co-relation queries the response was YES. Maximal size of possible extension queue 987. Compared 364701 event pairs, 2087 based on Foata normal form. 56/27669 useless extension candidates. Maximal degree in co-relation 56000. Up to 11785 conditions per place. [2023-11-29 01:35:07,283 INFO L140 encePairwiseOnDemand]: 602/608 looper letters, 69 selfloop transitions, 4 changer transitions 0/454 dead transitions. [2023-11-29 01:35:07,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 454 transitions, 1194 flow [2023-11-29 01:35:07,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:35:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:35:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1529 transitions. [2023-11-29 01:35:07,286 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8382675438596491 [2023-11-29 01:35:07,287 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1529 transitions. [2023-11-29 01:35:07,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1529 transitions. [2023-11-29 01:35:07,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:07,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1529 transitions. [2023-11-29 01:35:07,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 509.6666666666667) internal successors, (1529), 3 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:07,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:07,291 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:07,291 INFO L175 Difference]: Start difference. First operand has 418 places, 426 transitions, 943 flow. Second operand 3 states and 1529 transitions. [2023-11-29 01:35:07,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 454 transitions, 1194 flow [2023-11-29 01:35:07,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 454 transitions, 1194 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:35:07,301 INFO L231 Difference]: Finished difference. Result has 419 places, 427 transitions, 963 flow [2023-11-29 01:35:07,301 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=939, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=963, PETRI_PLACES=419, PETRI_TRANSITIONS=427} [2023-11-29 01:35:07,301 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -82 predicate places. [2023-11-29 01:35:07,301 INFO L495 AbstractCegarLoop]: Abstraction has has 419 places, 427 transitions, 963 flow [2023-11-29 01:35:07,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:07,302 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:07,302 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] [2023-11-29 01:35:07,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 01:35:07,302 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:35:07,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:07,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1491439677, now seen corresponding path program 1 times [2023-11-29 01:35:07,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:07,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000717562] [2023-11-29 01:35:07,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:07,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:07,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:07,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:07,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000717562] [2023-11-29 01:35:07,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000717562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:07,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:07,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:35:07,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007329797] [2023-11-29 01:35:07,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:07,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:35:07,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:07,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:35:07,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:35:08,162 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 608 [2023-11-29 01:35:08,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 427 transitions, 963 flow. Second operand has 6 states, 6 states have (on average 488.5) internal successors, (2931), 6 states have internal predecessors, (2931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:08,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:08,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 608 [2023-11-29 01:35:08,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:31,830 INFO L124 PetriNetUnfolderBase]: 74012/125339 cut-off events. [2023-11-29 01:35:31,830 INFO L125 PetriNetUnfolderBase]: For 58712/60394 co-relation queries the response was YES. [2023-11-29 01:35:32,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277964 conditions, 125339 events. 74012/125339 cut-off events. For 58712/60394 co-relation queries the response was YES. Maximal size of possible extension queue 4693. Compared 1223778 event pairs, 5138 based on Foata normal form. 8/104941 useless extension candidates. Maximal degree in co-relation 277832. Up to 31126 conditions per place. [2023-11-29 01:35:33,817 INFO L140 encePairwiseOnDemand]: 603/608 looper letters, 191 selfloop transitions, 4 changer transitions 0/570 dead transitions. [2023-11-29 01:35:33,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 570 transitions, 1959 flow [2023-11-29 01:35:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:35:33,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:35:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3048 transitions. [2023-11-29 01:35:33,824 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8355263157894737 [2023-11-29 01:35:33,824 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3048 transitions. [2023-11-29 01:35:33,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3048 transitions. [2023-11-29 01:35:33,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:33,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3048 transitions. [2023-11-29 01:35:33,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 508.0) internal successors, (3048), 6 states have internal predecessors, (3048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:33,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:33,832 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:33,832 INFO L175 Difference]: Start difference. First operand has 419 places, 427 transitions, 963 flow. Second operand 6 states and 3048 transitions. [2023-11-29 01:35:33,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 570 transitions, 1959 flow [2023-11-29 01:35:33,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 570 transitions, 1959 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 01:35:33,865 INFO L231 Difference]: Finished difference. Result has 423 places, 426 transitions, 969 flow [2023-11-29 01:35:33,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=969, PETRI_PLACES=423, PETRI_TRANSITIONS=426} [2023-11-29 01:35:33,866 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -78 predicate places. [2023-11-29 01:35:33,866 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 426 transitions, 969 flow [2023-11-29 01:35:33,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 488.5) internal successors, (2931), 6 states have internal predecessors, (2931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:33,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:33,866 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] [2023-11-29 01:35:33,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 01:35:33,866 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:35:33,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:33,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1034477533, now seen corresponding path program 1 times [2023-11-29 01:35:33,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:33,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513031803] [2023-11-29 01:35:33,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:33,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:34,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:34,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513031803] [2023-11-29 01:35:34,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513031803] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:34,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:34,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:35:34,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602499786] [2023-11-29 01:35:34,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:34,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:35:34,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:34,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:35:34,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:35:34,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 489 out of 608 [2023-11-29 01:35:34,655 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 426 transitions, 969 flow. Second operand has 6 states, 6 states have (on average 490.5) internal successors, (2943), 6 states have internal predecessors, (2943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:34,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:34,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 489 of 608 [2023-11-29 01:35:34,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:35:49,049 INFO L124 PetriNetUnfolderBase]: 39497/71560 cut-off events. [2023-11-29 01:35:49,049 INFO L125 PetriNetUnfolderBase]: For 33719/33763 co-relation queries the response was YES. [2023-11-29 01:35:49,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160158 conditions, 71560 events. 39497/71560 cut-off events. For 33719/33763 co-relation queries the response was YES. Maximal size of possible extension queue 2395. Compared 681203 event pairs, 3074 based on Foata normal form. 0/64328 useless extension candidates. Maximal degree in co-relation 160027. Up to 19958 conditions per place. [2023-11-29 01:35:50,127 INFO L140 encePairwiseOnDemand]: 602/608 looper letters, 154 selfloop transitions, 5 changer transitions 0/533 dead transitions. [2023-11-29 01:35:50,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 533 transitions, 1737 flow [2023-11-29 01:35:50,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:35:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:35:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3036 transitions. [2023-11-29 01:35:50,135 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8322368421052632 [2023-11-29 01:35:50,135 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3036 transitions. [2023-11-29 01:35:50,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3036 transitions. [2023-11-29 01:35:50,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:35:50,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3036 transitions. [2023-11-29 01:35:50,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 506.0) internal successors, (3036), 6 states have internal predecessors, (3036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,144 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,144 INFO L175 Difference]: Start difference. First operand has 423 places, 426 transitions, 969 flow. Second operand 6 states and 3036 transitions. [2023-11-29 01:35:50,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 533 transitions, 1737 flow [2023-11-29 01:35:50,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 533 transitions, 1730 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:35:50,166 INFO L231 Difference]: Finished difference. Result has 423 places, 425 transitions, 970 flow [2023-11-29 01:35:50,167 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=970, PETRI_PLACES=423, PETRI_TRANSITIONS=425} [2023-11-29 01:35:50,167 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -78 predicate places. [2023-11-29 01:35:50,167 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 425 transitions, 970 flow [2023-11-29 01:35:50,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 490.5) internal successors, (2943), 6 states have internal predecessors, (2943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:50,168 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:35:50,168 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] [2023-11-29 01:35:50,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 01:35:50,168 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:35:50,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:35:50,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1201609078, now seen corresponding path program 1 times [2023-11-29 01:35:50,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:35:50,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957306623] [2023-11-29 01:35:50,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:35:50,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:35:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:35:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:35:50,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:35:50,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957306623] [2023-11-29 01:35:50,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957306623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:35:50,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:35:50,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:35:50,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92686835] [2023-11-29 01:35:50,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:35:50,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:35:50,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:35:50,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:35:50,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:35:51,227 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 489 out of 608 [2023-11-29 01:35:51,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 425 transitions, 970 flow. Second operand has 6 states, 6 states have (on average 490.6666666666667) internal successors, (2944), 6 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:35:51,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:35:51,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 489 of 608 [2023-11-29 01:35:51,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:36:03,946 INFO L124 PetriNetUnfolderBase]: 35137/64646 cut-off events. [2023-11-29 01:36:03,946 INFO L125 PetriNetUnfolderBase]: For 30928/31066 co-relation queries the response was YES. [2023-11-29 01:36:04,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143407 conditions, 64646 events. 35137/64646 cut-off events. For 30928/31066 co-relation queries the response was YES. Maximal size of possible extension queue 2433. Compared 620791 event pairs, 3652 based on Foata normal form. 0/57727 useless extension candidates. Maximal degree in co-relation 143276. Up to 16528 conditions per place. [2023-11-29 01:36:04,911 INFO L140 encePairwiseOnDemand]: 602/608 looper letters, 154 selfloop transitions, 5 changer transitions 0/532 dead transitions. [2023-11-29 01:36:04,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 532 transitions, 1738 flow [2023-11-29 01:36:04,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:36:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:36:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3036 transitions. [2023-11-29 01:36:04,917 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8322368421052632 [2023-11-29 01:36:04,917 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3036 transitions. [2023-11-29 01:36:04,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3036 transitions. [2023-11-29 01:36:04,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:36:04,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3036 transitions. [2023-11-29 01:36:04,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 506.0) internal successors, (3036), 6 states have internal predecessors, (3036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:04,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:04,926 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:04,926 INFO L175 Difference]: Start difference. First operand has 423 places, 425 transitions, 970 flow. Second operand 6 states and 3036 transitions. [2023-11-29 01:36:04,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 532 transitions, 1738 flow [2023-11-29 01:36:04,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 532 transitions, 1728 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:36:04,949 INFO L231 Difference]: Finished difference. Result has 422 places, 424 transitions, 968 flow [2023-11-29 01:36:04,950 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=958, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=968, PETRI_PLACES=422, PETRI_TRANSITIONS=424} [2023-11-29 01:36:04,950 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -79 predicate places. [2023-11-29 01:36:04,950 INFO L495 AbstractCegarLoop]: Abstraction has has 422 places, 424 transitions, 968 flow [2023-11-29 01:36:04,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 490.6666666666667) internal successors, (2944), 6 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:04,951 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:36:04,951 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] [2023-11-29 01:36:04,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 01:36:04,951 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:36:04,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:04,951 INFO L85 PathProgramCache]: Analyzing trace with hash -141431395, now seen corresponding path program 1 times [2023-11-29 01:36:04,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:04,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187994425] [2023-11-29 01:36:04,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:04,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:36:05,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:05,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187994425] [2023-11-29 01:36:05,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187994425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:05,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:05,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:36:05,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887179097] [2023-11-29 01:36:05,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:05,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:36:05,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:05,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:36:05,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:36:06,035 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 489 out of 608 [2023-11-29 01:36:06,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 424 transitions, 968 flow. Second operand has 6 states, 6 states have (on average 490.6666666666667) internal successors, (2944), 6 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:06,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:36:06,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 489 of 608 [2023-11-29 01:36:06,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:36:15,879 INFO L124 PetriNetUnfolderBase]: 22527/47509 cut-off events. [2023-11-29 01:36:15,879 INFO L125 PetriNetUnfolderBase]: For 18761/18905 co-relation queries the response was YES. [2023-11-29 01:36:16,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99674 conditions, 47509 events. 22527/47509 cut-off events. For 18761/18905 co-relation queries the response was YES. Maximal size of possible extension queue 1570. Compared 489915 event pairs, 4367 based on Foata normal form. 0/41645 useless extension candidates. Maximal degree in co-relation 99543. Up to 12530 conditions per place. [2023-11-29 01:36:16,473 INFO L140 encePairwiseOnDemand]: 602/608 looper letters, 138 selfloop transitions, 5 changer transitions 0/515 dead transitions. [2023-11-29 01:36:16,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 515 transitions, 1636 flow [2023-11-29 01:36:16,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:36:16,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:36:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3028 transitions. [2023-11-29 01:36:16,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8300438596491229 [2023-11-29 01:36:16,479 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3028 transitions. [2023-11-29 01:36:16,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3028 transitions. [2023-11-29 01:36:16,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:36:16,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3028 transitions. [2023-11-29 01:36:16,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 504.6666666666667) internal successors, (3028), 6 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:16,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:16,486 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:16,486 INFO L175 Difference]: Start difference. First operand has 422 places, 424 transitions, 968 flow. Second operand 6 states and 3028 transitions. [2023-11-29 01:36:16,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 515 transitions, 1636 flow [2023-11-29 01:36:16,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 515 transitions, 1626 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:36:16,500 INFO L231 Difference]: Finished difference. Result has 421 places, 423 transitions, 966 flow [2023-11-29 01:36:16,501 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=956, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=966, PETRI_PLACES=421, PETRI_TRANSITIONS=423} [2023-11-29 01:36:16,501 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -80 predicate places. [2023-11-29 01:36:16,501 INFO L495 AbstractCegarLoop]: Abstraction has has 421 places, 423 transitions, 966 flow [2023-11-29 01:36:16,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 490.6666666666667) internal successors, (2944), 6 states have internal predecessors, (2944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:16,502 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:36:16,502 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] [2023-11-29 01:36:16,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 01:36:16,502 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread4Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:36:16,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:16,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1574061360, now seen corresponding path program 1 times [2023-11-29 01:36:16,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:16,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693254252] [2023-11-29 01:36:16,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:16,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:17,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:36:17,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:17,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693254252] [2023-11-29 01:36:17,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693254252] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:17,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:17,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:36:17,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342020101] [2023-11-29 01:36:17,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:17,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:36:17,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:17,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:36:17,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:36:17,466 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 489 out of 608 [2023-11-29 01:36:17,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 423 transitions, 966 flow. Second operand has 6 states, 6 states have (on average 490.8333333333333) internal successors, (2945), 6 states have internal predecessors, (2945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:17,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:36:17,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 489 of 608 [2023-11-29 01:36:17,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:36:26,546 INFO L124 PetriNetUnfolderBase]: 20337/44431 cut-off events. [2023-11-29 01:36:26,547 INFO L125 PetriNetUnfolderBase]: For 17123/17369 co-relation queries the response was YES. [2023-11-29 01:36:26,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91673 conditions, 44431 events. 20337/44431 cut-off events. For 17123/17369 co-relation queries the response was YES. Maximal size of possible extension queue 1429. Compared 468403 event pairs, 4634 based on Foata normal form. 0/38890 useless extension candidates. Maximal degree in co-relation 91542. Up to 13302 conditions per place. [2023-11-29 01:36:27,100 INFO L140 encePairwiseOnDemand]: 602/608 looper letters, 138 selfloop transitions, 5 changer transitions 0/514 dead transitions. [2023-11-29 01:36:27,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 514 transitions, 1634 flow [2023-11-29 01:36:27,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:36:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:36:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3028 transitions. [2023-11-29 01:36:27,106 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8300438596491229 [2023-11-29 01:36:27,106 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3028 transitions. [2023-11-29 01:36:27,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3028 transitions. [2023-11-29 01:36:27,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:36:27,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3028 transitions. [2023-11-29 01:36:27,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 504.6666666666667) internal successors, (3028), 6 states have internal predecessors, (3028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:27,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:27,112 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:27,112 INFO L175 Difference]: Start difference. First operand has 421 places, 423 transitions, 966 flow. Second operand 6 states and 3028 transitions. [2023-11-29 01:36:27,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 514 transitions, 1634 flow [2023-11-29 01:36:27,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 514 transitions, 1624 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:36:27,128 INFO L231 Difference]: Finished difference. Result has 420 places, 422 transitions, 964 flow [2023-11-29 01:36:27,129 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=954, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=964, PETRI_PLACES=420, PETRI_TRANSITIONS=422} [2023-11-29 01:36:27,129 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -81 predicate places. [2023-11-29 01:36:27,129 INFO L495 AbstractCegarLoop]: Abstraction has has 420 places, 422 transitions, 964 flow [2023-11-29 01:36:27,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 490.8333333333333) internal successors, (2945), 6 states have internal predecessors, (2945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:27,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:36:27,130 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:27,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 01:36:27,130 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:36:27,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:27,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1820150390, now seen corresponding path program 1 times [2023-11-29 01:36:27,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:27,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896590423] [2023-11-29 01:36:27,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:27,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:36:28,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:28,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896590423] [2023-11-29 01:36:28,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896590423] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:28,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:28,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 01:36:28,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955285773] [2023-11-29 01:36:28,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:28,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 01:36:28,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:28,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 01:36:28,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 01:36:28,389 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 487 out of 608 [2023-11-29 01:36:28,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 422 transitions, 964 flow. Second operand has 6 states, 6 states have (on average 489.5) internal successors, (2937), 6 states have internal predecessors, (2937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:28,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:36:28,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 487 of 608 [2023-11-29 01:36:28,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:36:34,406 INFO L124 PetriNetUnfolderBase]: 11540/32413 cut-off events. [2023-11-29 01:36:34,406 INFO L125 PetriNetUnfolderBase]: For 9795/10135 co-relation queries the response was YES. [2023-11-29 01:36:34,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60149 conditions, 32413 events. 11540/32413 cut-off events. For 9795/10135 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 367154 event pairs, 4634 based on Foata normal form. 0/27880 useless extension candidates. Maximal degree in co-relation 60016. Up to 13897 conditions per place. [2023-11-29 01:36:34,958 INFO L140 encePairwiseOnDemand]: 603/608 looper letters, 119 selfloop transitions, 4 changer transitions 0/493 dead transitions. [2023-11-29 01:36:34,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 493 transitions, 1512 flow [2023-11-29 01:36:34,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 01:36:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 01:36:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3004 transitions. [2023-11-29 01:36:34,966 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8234649122807017 [2023-11-29 01:36:34,967 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3004 transitions. [2023-11-29 01:36:34,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3004 transitions. [2023-11-29 01:36:34,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:36:34,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3004 transitions. [2023-11-29 01:36:34,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 500.6666666666667) internal successors, (3004), 6 states have internal predecessors, (3004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:34,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:34,975 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 608.0) internal successors, (4256), 7 states have internal predecessors, (4256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:34,975 INFO L175 Difference]: Start difference. First operand has 420 places, 422 transitions, 964 flow. Second operand 6 states and 3004 transitions. [2023-11-29 01:36:34,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 493 transitions, 1512 flow [2023-11-29 01:36:34,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 493 transitions, 1502 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 01:36:34,992 INFO L231 Difference]: Finished difference. Result has 419 places, 421 transitions, 960 flow [2023-11-29 01:36:34,993 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=952, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=960, PETRI_PLACES=419, PETRI_TRANSITIONS=421} [2023-11-29 01:36:34,993 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -82 predicate places. [2023-11-29 01:36:34,993 INFO L495 AbstractCegarLoop]: Abstraction has has 419 places, 421 transitions, 960 flow [2023-11-29 01:36:34,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 489.5) internal successors, (2937), 6 states have internal predecessors, (2937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:34,994 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:36:34,994 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:34,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 01:36:34,994 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:36:34,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:34,994 INFO L85 PathProgramCache]: Analyzing trace with hash -2128768630, now seen corresponding path program 1 times [2023-11-29 01:36:34,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:34,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022382855] [2023-11-29 01:36:34,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:34,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:36:35,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:35,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022382855] [2023-11-29 01:36:35,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022382855] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:35,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:35,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:36:35,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105178905] [2023-11-29 01:36:35,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:35,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:36:35,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:35,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:36:35,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:36:35,128 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 608 [2023-11-29 01:36:35,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 421 transitions, 960 flow. Second operand has 3 states, 3 states have (on average 502.6666666666667) internal successors, (1508), 3 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:35,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:36:35,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 608 [2023-11-29 01:36:35,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:36:41,335 INFO L124 PetriNetUnfolderBase]: 10755/31297 cut-off events. [2023-11-29 01:36:41,336 INFO L125 PetriNetUnfolderBase]: For 9211/9547 co-relation queries the response was YES. [2023-11-29 01:36:41,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56756 conditions, 31297 events. 10755/31297 cut-off events. For 9211/9547 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 358322 event pairs, 4634 based on Foata normal form. 0/26910 useless extension candidates. Maximal degree in co-relation 56666. Up to 13893 conditions per place. [2023-11-29 01:36:41,736 INFO L140 encePairwiseOnDemand]: 606/608 looper letters, 42 selfloop transitions, 1 changer transitions 0/420 dead transitions. [2023-11-29 01:36:41,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 420 transitions, 1044 flow [2023-11-29 01:36:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:36:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:36:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1521 transitions. [2023-11-29 01:36:41,738 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8338815789473685 [2023-11-29 01:36:41,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1521 transitions. [2023-11-29 01:36:41,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1521 transitions. [2023-11-29 01:36:41,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:36:41,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1521 transitions. [2023-11-29 01:36:41,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 507.0) internal successors, (1521), 3 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:41,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:41,741 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:41,741 INFO L175 Difference]: Start difference. First operand has 419 places, 421 transitions, 960 flow. Second operand 3 states and 1521 transitions. [2023-11-29 01:36:41,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 420 transitions, 1044 flow [2023-11-29 01:36:41,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 420 transitions, 1037 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 01:36:41,751 INFO L231 Difference]: Finished difference. Result has 416 places, 420 transitions, 953 flow [2023-11-29 01:36:41,751 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=951, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=953, PETRI_PLACES=416, PETRI_TRANSITIONS=420} [2023-11-29 01:36:41,752 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -85 predicate places. [2023-11-29 01:36:41,752 INFO L495 AbstractCegarLoop]: Abstraction has has 416 places, 420 transitions, 953 flow [2023-11-29 01:36:41,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.6666666666667) internal successors, (1508), 3 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:41,752 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 01:36:41,752 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:36:41,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-29 01:36:41,753 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 153 more)] === [2023-11-29 01:36:41,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:36:41,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1242030258, now seen corresponding path program 1 times [2023-11-29 01:36:41,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:36:41,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077108643] [2023-11-29 01:36:41,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:36:41,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:36:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:36:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:36:41,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:36:41,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077108643] [2023-11-29 01:36:41,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077108643] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:36:41,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:36:41,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:36:41,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866347159] [2023-11-29 01:36:41,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:36:41,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 01:36:41,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:36:41,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 01:36:41,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 01:36:41,857 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 497 out of 608 [2023-11-29 01:36:41,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 420 transitions, 953 flow. Second operand has 3 states, 3 states have (on average 502.6666666666667) internal successors, (1508), 3 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:41,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 01:36:41,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 497 of 608 [2023-11-29 01:36:41,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 01:36:48,109 INFO L124 PetriNetUnfolderBase]: 10755/31296 cut-off events. [2023-11-29 01:36:48,110 INFO L125 PetriNetUnfolderBase]: For 9211/9547 co-relation queries the response was YES. [2023-11-29 01:36:48,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56731 conditions, 31296 events. 10755/31296 cut-off events. For 9211/9547 co-relation queries the response was YES. Maximal size of possible extension queue 999. Compared 358152 event pairs, 4634 based on Foata normal form. 1/26910 useless extension candidates. Maximal degree in co-relation 56717. Up to 13893 conditions per place. [2023-11-29 01:36:48,485 INFO L140 encePairwiseOnDemand]: 606/608 looper letters, 0 selfloop transitions, 0 changer transitions 419/419 dead transitions. [2023-11-29 01:36:48,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 419 transitions, 1035 flow [2023-11-29 01:36:48,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 01:36:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 01:36:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1520 transitions. [2023-11-29 01:36:48,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2023-11-29 01:36:48,488 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1520 transitions. [2023-11-29 01:36:48,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1520 transitions. [2023-11-29 01:36:48,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:36:48,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1520 transitions. [2023-11-29 01:36:48,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 506.6666666666667) internal successors, (1520), 3 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:48,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:48,493 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 608.0) internal successors, (2432), 4 states have internal predecessors, (2432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:48,493 INFO L175 Difference]: Start difference. First operand has 416 places, 420 transitions, 953 flow. Second operand 3 states and 1520 transitions. [2023-11-29 01:36:48,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 419 transitions, 1035 flow [2023-11-29 01:36:48,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 419 transitions, 1034 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 01:36:48,503 INFO L231 Difference]: Finished difference. Result has 416 places, 0 transitions, 0 flow [2023-11-29 01:36:48,504 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=608, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=416, PETRI_TRANSITIONS=0} [2023-11-29 01:36:48,504 INFO L281 CegarLoopForPetriNet]: 501 programPoint places, -85 predicate places. [2023-11-29 01:36:48,504 INFO L495 AbstractCegarLoop]: Abstraction has has 416 places, 0 transitions, 0 flow [2023-11-29 01:36:48,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 502.6666666666667) internal successors, (1508), 3 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:36:48,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (156 of 157 remaining) [2023-11-29 01:36:48,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (155 of 157 remaining) [2023-11-29 01:36:48,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (154 of 157 remaining) [2023-11-29 01:36:48,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (153 of 157 remaining) [2023-11-29 01:36:48,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (152 of 157 remaining) [2023-11-29 01:36:48,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (151 of 157 remaining) [2023-11-29 01:36:48,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (150 of 157 remaining) [2023-11-29 01:36:48,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (149 of 157 remaining) [2023-11-29 01:36:48,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (148 of 157 remaining) [2023-11-29 01:36:48,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (147 of 157 remaining) [2023-11-29 01:36:48,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (146 of 157 remaining) [2023-11-29 01:36:48,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (145 of 157 remaining) [2023-11-29 01:36:48,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (144 of 157 remaining) [2023-11-29 01:36:48,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (143 of 157 remaining) [2023-11-29 01:36:48,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (142 of 157 remaining) [2023-11-29 01:36:48,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (141 of 157 remaining) [2023-11-29 01:36:48,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (140 of 157 remaining) [2023-11-29 01:36:48,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (139 of 157 remaining) [2023-11-29 01:36:48,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (138 of 157 remaining) [2023-11-29 01:36:48,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (137 of 157 remaining) [2023-11-29 01:36:48,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (136 of 157 remaining) [2023-11-29 01:36:48,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (135 of 157 remaining) [2023-11-29 01:36:48,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (134 of 157 remaining) [2023-11-29 01:36:48,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (133 of 157 remaining) [2023-11-29 01:36:48,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (132 of 157 remaining) [2023-11-29 01:36:48,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (131 of 157 remaining) [2023-11-29 01:36:48,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (130 of 157 remaining) [2023-11-29 01:36:48,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (129 of 157 remaining) [2023-11-29 01:36:48,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (128 of 157 remaining) [2023-11-29 01:36:48,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (127 of 157 remaining) [2023-11-29 01:36:48,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (126 of 157 remaining) [2023-11-29 01:36:48,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (125 of 157 remaining) [2023-11-29 01:36:48,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (124 of 157 remaining) [2023-11-29 01:36:48,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (123 of 157 remaining) [2023-11-29 01:36:48,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (122 of 157 remaining) [2023-11-29 01:36:48,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (121 of 157 remaining) [2023-11-29 01:36:48,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (120 of 157 remaining) [2023-11-29 01:36:48,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (119 of 157 remaining) [2023-11-29 01:36:48,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (118 of 157 remaining) [2023-11-29 01:36:48,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (117 of 157 remaining) [2023-11-29 01:36:48,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (116 of 157 remaining) [2023-11-29 01:36:48,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (115 of 157 remaining) [2023-11-29 01:36:48,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (114 of 157 remaining) [2023-11-29 01:36:48,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (113 of 157 remaining) [2023-11-29 01:36:48,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (112 of 157 remaining) [2023-11-29 01:36:48,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (111 of 157 remaining) [2023-11-29 01:36:48,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (110 of 157 remaining) [2023-11-29 01:36:48,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (109 of 157 remaining) [2023-11-29 01:36:48,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (108 of 157 remaining) [2023-11-29 01:36:48,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (107 of 157 remaining) [2023-11-29 01:36:48,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (106 of 157 remaining) [2023-11-29 01:36:48,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (105 of 157 remaining) [2023-11-29 01:36:48,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (104 of 157 remaining) [2023-11-29 01:36:48,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (103 of 157 remaining) [2023-11-29 01:36:48,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (102 of 157 remaining) [2023-11-29 01:36:48,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (101 of 157 remaining) [2023-11-29 01:36:48,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (100 of 157 remaining) [2023-11-29 01:36:48,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (99 of 157 remaining) [2023-11-29 01:36:48,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (98 of 157 remaining) [2023-11-29 01:36:48,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (97 of 157 remaining) [2023-11-29 01:36:48,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (96 of 157 remaining) [2023-11-29 01:36:48,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (95 of 157 remaining) [2023-11-29 01:36:48,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (94 of 157 remaining) [2023-11-29 01:36:48,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (93 of 157 remaining) [2023-11-29 01:36:48,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (92 of 157 remaining) [2023-11-29 01:36:48,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (91 of 157 remaining) [2023-11-29 01:36:48,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (90 of 157 remaining) [2023-11-29 01:36:48,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (89 of 157 remaining) [2023-11-29 01:36:48,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (88 of 157 remaining) [2023-11-29 01:36:48,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (87 of 157 remaining) [2023-11-29 01:36:48,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (86 of 157 remaining) [2023-11-29 01:36:48,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (85 of 157 remaining) [2023-11-29 01:36:48,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (84 of 157 remaining) [2023-11-29 01:36:48,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (83 of 157 remaining) [2023-11-29 01:36:48,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (82 of 157 remaining) [2023-11-29 01:36:48,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (81 of 157 remaining) [2023-11-29 01:36:48,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (80 of 157 remaining) [2023-11-29 01:36:48,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (79 of 157 remaining) [2023-11-29 01:36:48,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err5ASSERT_VIOLATIONDATA_RACE (78 of 157 remaining) [2023-11-29 01:36:48,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err6ASSERT_VIOLATIONDATA_RACE (77 of 157 remaining) [2023-11-29 01:36:48,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err7ASSERT_VIOLATIONDATA_RACE (76 of 157 remaining) [2023-11-29 01:36:48,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err8ASSERT_VIOLATIONDATA_RACE (75 of 157 remaining) [2023-11-29 01:36:48,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err9ASSERT_VIOLATIONDATA_RACE (74 of 157 remaining) [2023-11-29 01:36:48,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err10ASSERT_VIOLATIONDATA_RACE (73 of 157 remaining) [2023-11-29 01:36:48,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (72 of 157 remaining) [2023-11-29 01:36:48,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (71 of 157 remaining) [2023-11-29 01:36:48,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (70 of 157 remaining) [2023-11-29 01:36:48,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (69 of 157 remaining) [2023-11-29 01:36:48,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE (68 of 157 remaining) [2023-11-29 01:36:48,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err5ASSERT_VIOLATIONDATA_RACE (67 of 157 remaining) [2023-11-29 01:36:48,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err6ASSERT_VIOLATIONDATA_RACE (66 of 157 remaining) [2023-11-29 01:36:48,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err7ASSERT_VIOLATIONDATA_RACE (65 of 157 remaining) [2023-11-29 01:36:48,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err8ASSERT_VIOLATIONDATA_RACE (64 of 157 remaining) [2023-11-29 01:36:48,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err9ASSERT_VIOLATIONDATA_RACE (63 of 157 remaining) [2023-11-29 01:36:48,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err10ASSERT_VIOLATIONDATA_RACE (62 of 157 remaining) [2023-11-29 01:36:48,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (61 of 157 remaining) [2023-11-29 01:36:48,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (60 of 157 remaining) [2023-11-29 01:36:48,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (59 of 157 remaining) [2023-11-29 01:36:48,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (58 of 157 remaining) [2023-11-29 01:36:48,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (57 of 157 remaining) [2023-11-29 01:36:48,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (56 of 157 remaining) [2023-11-29 01:36:48,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (55 of 157 remaining) [2023-11-29 01:36:48,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork3Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 157 remaining) [2023-11-29 01:36:48,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork3Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 157 remaining) [2023-11-29 01:36:48,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 157 remaining) [2023-11-29 01:36:48,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 157 remaining) [2023-11-29 01:36:48,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 157 remaining) [2023-11-29 01:36:48,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 157 remaining) [2023-11-29 01:36:48,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 157 remaining) [2023-11-29 01:36:48,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 157 remaining) [2023-11-29 01:36:48,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 157 remaining) [2023-11-29 01:36:48,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (45 of 157 remaining) [2023-11-29 01:36:48,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (44 of 157 remaining) [2023-11-29 01:36:48,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (43 of 157 remaining) [2023-11-29 01:36:48,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (42 of 157 remaining) [2023-11-29 01:36:48,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (41 of 157 remaining) [2023-11-29 01:36:48,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (40 of 157 remaining) [2023-11-29 01:36:48,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (39 of 157 remaining) [2023-11-29 01:36:48,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (38 of 157 remaining) [2023-11-29 01:36:48,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (37 of 157 remaining) [2023-11-29 01:36:48,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (36 of 157 remaining) [2023-11-29 01:36:48,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (35 of 157 remaining) [2023-11-29 01:36:48,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (34 of 157 remaining) [2023-11-29 01:36:48,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (33 of 157 remaining) [2023-11-29 01:36:48,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (32 of 157 remaining) [2023-11-29 01:36:48,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (31 of 157 remaining) [2023-11-29 01:36:48,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (30 of 157 remaining) [2023-11-29 01:36:48,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (29 of 157 remaining) [2023-11-29 01:36:48,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (28 of 157 remaining) [2023-11-29 01:36:48,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (27 of 157 remaining) [2023-11-29 01:36:48,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (26 of 157 remaining) [2023-11-29 01:36:48,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (25 of 157 remaining) [2023-11-29 01:36:48,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (24 of 157 remaining) [2023-11-29 01:36:48,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 157 remaining) [2023-11-29 01:36:48,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 157 remaining) [2023-11-29 01:36:48,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (21 of 157 remaining) [2023-11-29 01:36:48,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (20 of 157 remaining) [2023-11-29 01:36:48,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (19 of 157 remaining) [2023-11-29 01:36:48,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (18 of 157 remaining) [2023-11-29 01:36:48,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (17 of 157 remaining) [2023-11-29 01:36:48,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err5ASSERT_VIOLATIONDATA_RACE (16 of 157 remaining) [2023-11-29 01:36:48,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err6ASSERT_VIOLATIONDATA_RACE (15 of 157 remaining) [2023-11-29 01:36:48,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err7ASSERT_VIOLATIONDATA_RACE (14 of 157 remaining) [2023-11-29 01:36:48,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err8ASSERT_VIOLATIONDATA_RACE (13 of 157 remaining) [2023-11-29 01:36:48,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err9ASSERT_VIOLATIONDATA_RACE (12 of 157 remaining) [2023-11-29 01:36:48,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err10ASSERT_VIOLATIONDATA_RACE (11 of 157 remaining) [2023-11-29 01:36:48,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (10 of 157 remaining) [2023-11-29 01:36:48,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (9 of 157 remaining) [2023-11-29 01:36:48,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (8 of 157 remaining) [2023-11-29 01:36:48,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (7 of 157 remaining) [2023-11-29 01:36:48,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE (6 of 157 remaining) [2023-11-29 01:36:48,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err5ASSERT_VIOLATIONDATA_RACE (5 of 157 remaining) [2023-11-29 01:36:48,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err6ASSERT_VIOLATIONDATA_RACE (4 of 157 remaining) [2023-11-29 01:36:48,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err7ASSERT_VIOLATIONDATA_RACE (3 of 157 remaining) [2023-11-29 01:36:48,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err8ASSERT_VIOLATIONDATA_RACE (2 of 157 remaining) [2023-11-29 01:36:48,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err9ASSERT_VIOLATIONDATA_RACE (1 of 157 remaining) [2023-11-29 01:36:48,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err10ASSERT_VIOLATIONDATA_RACE (0 of 157 remaining) [2023-11-29 01:36:48,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-29 01:36:48,527 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] [2023-11-29 01:36:48,534 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 01:36:48,534 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:36:48,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:36:48 BasicIcfg [2023-11-29 01:36:48,541 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:36:48,541 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:36:48,542 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:36:48,542 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:36:48,542 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:33:53" (3/4) ... [2023-11-29 01:36:48,544 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 01:36:48,547 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 01:36:48,547 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 01:36:48,547 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 01:36:48,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-29 01:36:48,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2023-11-29 01:36:48,548 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2023-11-29 01:36:48,557 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-29 01:36:48,558 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 01:36:48,559 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 01:36:48,560 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 01:36:48,677 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 01:36:48,677 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 01:36:48,678 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:36:48,678 INFO L158 Benchmark]: Toolchain (without parser) took 177220.97ms. Allocated memory was 155.2MB in the beginning and 14.9GB in the end (delta: 14.7GB). Free memory was 122.6MB in the beginning and 10.7GB in the end (delta: -10.5GB). Peak memory consumption was 4.2GB. Max. memory is 16.1GB. [2023-11-29 01:36:48,679 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 87.5MB in the beginning and 87.4MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:36:48,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.83ms. Allocated memory is still 155.2MB. Free memory was 122.2MB in the beginning and 107.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 01:36:48,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.23ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 102.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:36:48,680 INFO L158 Benchmark]: Boogie Preprocessor took 63.13ms. Allocated memory is still 155.2MB. Free memory was 102.9MB in the beginning and 99.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:36:48,680 INFO L158 Benchmark]: RCFGBuilder took 1474.09ms. Allocated memory is still 155.2MB. Free memory was 99.1MB in the beginning and 63.6MB in the end (delta: 35.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-11-29 01:36:48,681 INFO L158 Benchmark]: TraceAbstraction took 175164.36ms. Allocated memory was 155.2MB in the beginning and 14.9GB in the end (delta: 14.7GB). Free memory was 62.5MB in the beginning and 10.7GB in the end (delta: -10.6GB). Peak memory consumption was 4.9GB. Max. memory is 16.1GB. [2023-11-29 01:36:48,681 INFO L158 Benchmark]: Witness Printer took 136.28ms. Allocated memory is still 14.9GB. Free memory was 10.7GB in the beginning and 10.7GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 01:36:48,683 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 87.5MB in the beginning and 87.4MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.83ms. Allocated memory is still 155.2MB. Free memory was 122.2MB in the beginning and 107.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.23ms. Allocated memory is still 155.2MB. Free memory was 107.8MB in the beginning and 102.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.13ms. Allocated memory is still 155.2MB. Free memory was 102.9MB in the beginning and 99.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1474.09ms. Allocated memory is still 155.2MB. Free memory was 99.1MB in the beginning and 63.6MB in the end (delta: 35.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 175164.36ms. Allocated memory was 155.2MB in the beginning and 14.9GB in the end (delta: 14.7GB). Free memory was 62.5MB in the beginning and 10.7GB in the end (delta: -10.6GB). Peak memory consumption was 4.9GB. Max. memory is 16.1GB. * Witness Printer took 136.28ms. Allocated memory is still 14.9GB. Free memory was 10.7GB in the beginning and 10.7GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 144]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: 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: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 152]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 153]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 177]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 162]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 163]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 165]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 165]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: 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: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: 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: 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: 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: 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: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: 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: 113]: 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: 113]: 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: 116]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 717 locations, 157 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: 174.9s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 168.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2099 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1144 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 875 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5201 IncrementalHoareTripleChecker+Invalid, 6076 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 875 mSolverCounterUnsat, 136 mSDtfsCounter, 5201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1062occurred in iteration=0, InterpolantAutomatonStates: 108, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 4402 NumberOfCodeBlocks, 4402 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 4373 ConstructedInterpolants, 0 QuantifiedInterpolants, 5018 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 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! [2023-11-29 01:36:48,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecfab7c2-a007-412a-8785-df12d887753f/bin/uautomizer-verify-BQ2R08f2Ya/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