./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-nzb-file-subst.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_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/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_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/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_a8a99b37-9f53-4605-9196-4dbd388c9cfb/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 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:43:27,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:43:27,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 03:43:27,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:43:27,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:43:27,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:43:27,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:43:27,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:43:27,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:43:27,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:43:27,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:43:27,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:43:27,134 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:43:27,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:43:27,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:43:27,136 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:43:27,136 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:43:27,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:43:27,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:43:27,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:43:27,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:43:27,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:43:27,139 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 03:43:27,140 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:43:27,140 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:43:27,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:43:27,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:43:27,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:43:27,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:43:27,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:43:27,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:43:27,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:43:27,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:43:27,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:43:27,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:43:27,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:43:27,145 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:43:27,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:43:27,146 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:43:27,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:43:27,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:43:27,146 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_a8a99b37-9f53-4605-9196-4dbd388c9cfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 [2023-11-29 03:43:27,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:43:27,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:43:27,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:43:27,402 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:43:27,402 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:43:27,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2023-11-29 03:43:30,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:43:30,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:43:30,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2023-11-29 03:43:30,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/data/648474c18/55ebbf579cfc4785b4cd2b78a93899e3/FLAGee5e03e12 [2023-11-29 03:43:30,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/data/648474c18/55ebbf579cfc4785b4cd2b78a93899e3 [2023-11-29 03:43:30,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:43:30,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:43:30,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:43:30,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:43:30,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:43:30,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78581ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30, skipping insertion in model container [2023-11-29 03:43:30,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:43:30,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:43:30,687 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:43:30,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:43:30,765 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:43:30,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30 WrapperNode [2023-11-29 03:43:30,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:43:30,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:43:30,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:43:30,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:43:30,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,853 INFO L138 Inliner]: procedures = 26, calls = 77, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1343 [2023-11-29 03:43:30,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:43:30,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:43:30,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:43:30,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:43:30,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:43:30,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:43:30,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:43:30,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:43:30,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (1/1) ... [2023-11-29 03:43:30,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:43:30,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:43:30,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:43:30,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:43:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:43:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:43:31,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 03:43:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 03:43:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 03:43:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 03:43:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 03:43:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 03:43:31,016 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 03:43:31,016 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 03:43:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 03:43:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:43:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:43:31,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:43:31,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:43:31,019 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 03:43:31,196 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:43:31,199 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:43:32,581 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:43:32,612 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:43:32,613 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 03:43:32,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:43:32 BoogieIcfgContainer [2023-11-29 03:43:32,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:43:32,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:43:32,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:43:32,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:43:32,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:43:30" (1/3) ... [2023-11-29 03:43:32,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364c658b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:43:32, skipping insertion in model container [2023-11-29 03:43:32,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:43:30" (2/3) ... [2023-11-29 03:43:32,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364c658b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:43:32, skipping insertion in model container [2023-11-29 03:43:32,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:43:32" (3/3) ... [2023-11-29 03:43:32,623 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.c [2023-11-29 03:43:32,631 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 03:43:32,639 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:43:32,639 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 230 error locations. [2023-11-29 03:43:32,639 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 03:43:32,918 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-29 03:43:32,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1694 places, 1795 transitions, 3611 flow [2023-11-29 03:43:34,542 INFO L124 PetriNetUnfolderBase]: 111/1792 cut-off events. [2023-11-29 03:43:34,543 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 03:43:34,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1805 conditions, 1792 events. 111/1792 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 7862 event pairs, 0 based on Foata normal form. 0/1451 useless extension candidates. Maximal degree in co-relation 1391. Up to 2 conditions per place. [2023-11-29 03:43:34,596 INFO L82 GeneralOperation]: Start removeDead. Operand has 1694 places, 1795 transitions, 3611 flow [2023-11-29 03:43:34,685 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1665 places, 1763 transitions, 3544 flow [2023-11-29 03:43:34,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:43:34,700 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;@65950ecd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:43:34,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 431 error locations. [2023-11-29 03:43:34,705 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 03:43:34,705 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2023-11-29 03:43:34,705 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 03:43:34,706 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:43:34,706 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 03:43:34,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:43:34,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:34,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1105597799, now seen corresponding path program 1 times [2023-11-29 03:43:34,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:34,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032922987] [2023-11-29 03:43:34,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:34,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:34,937 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 03:43:34,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:34,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032922987] [2023-11-29 03:43:34,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032922987] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:34,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:34,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:43:34,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402055060] [2023-11-29 03:43:34,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:34,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:34,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:34,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:34,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:35,019 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1742 out of 1795 [2023-11-29 03:43:35,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1665 places, 1763 transitions, 3544 flow. Second operand has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:35,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:43:35,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1742 of 1795 [2023-11-29 03:43:35,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:43:37,489 INFO L124 PetriNetUnfolderBase]: 171/3558 cut-off events. [2023-11-29 03:43:37,489 INFO L125 PetriNetUnfolderBase]: For 19/21 co-relation queries the response was YES. [2023-11-29 03:43:37,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3607 conditions, 3558 events. 171/3558 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 22201 event pairs, 7 based on Foata normal form. 120/2952 useless extension candidates. Maximal degree in co-relation 3205. Up to 25 conditions per place. [2023-11-29 03:43:37,607 INFO L140 encePairwiseOnDemand]: 1756/1795 looper letters, 11 selfloop transitions, 2 changer transitions 6/1726 dead transitions. [2023-11-29 03:43:37,607 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1666 places, 1726 transitions, 3496 flow [2023-11-29 03:43:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:37,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:43:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5276 transitions. [2023-11-29 03:43:37,637 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9797585886722378 [2023-11-29 03:43:37,638 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5276 transitions. [2023-11-29 03:43:37,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5276 transitions. [2023-11-29 03:43:37,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:43:37,649 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5276 transitions. [2023-11-29 03:43:37,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1758.6666666666667) internal successors, (5276), 3 states have internal predecessors, (5276), 0 states have call successors, (0), 0 states 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 03:43:37,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:37,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:37,705 INFO L175 Difference]: Start difference. First operand has 1665 places, 1763 transitions, 3544 flow. Second operand 3 states and 5276 transitions. [2023-11-29 03:43:37,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1666 places, 1726 transitions, 3496 flow [2023-11-29 03:43:37,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1660 places, 1726 transitions, 3484 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-29 03:43:37,762 INFO L231 Difference]: Finished difference. Result has 1660 places, 1720 transitions, 3450 flow [2023-11-29 03:43:37,768 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3458, PETRI_DIFFERENCE_MINUEND_PLACES=1658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1724, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3450, PETRI_PLACES=1660, PETRI_TRANSITIONS=1720} [2023-11-29 03:43:37,772 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -5 predicate places. [2023-11-29 03:43:37,772 INFO L495 AbstractCegarLoop]: Abstraction has has 1660 places, 1720 transitions, 3450 flow [2023-11-29 03:43:37,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:37,778 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:43:37,778 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 03:43:37,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:43:37,779 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:43:37,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:37,779 INFO L85 PathProgramCache]: Analyzing trace with hash -341135342, now seen corresponding path program 1 times [2023-11-29 03:43:37,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:37,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980544829] [2023-11-29 03:43:37,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:37,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:37,855 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 03:43:37,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:37,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980544829] [2023-11-29 03:43:37,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980544829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:37,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:37,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:43:37,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354229352] [2023-11-29 03:43:37,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:37,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:37,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:37,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:37,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:37,889 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1742 out of 1795 [2023-11-29 03:43:37,899 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1660 places, 1720 transitions, 3450 flow. Second operand has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:37,899 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:43:37,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1742 of 1795 [2023-11-29 03:43:37,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:43:40,370 INFO L124 PetriNetUnfolderBase]: 171/3551 cut-off events. [2023-11-29 03:43:40,370 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2023-11-29 03:43:40,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3589 conditions, 3551 events. 171/3551 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 23255 event pairs, 7 based on Foata normal form. 0/2832 useless extension candidates. Maximal degree in co-relation 3543. Up to 25 conditions per place. [2023-11-29 03:43:40,486 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 11 selfloop transitions, 2 changer transitions 0/1719 dead transitions. [2023-11-29 03:43:40,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1655 places, 1719 transitions, 3474 flow [2023-11-29 03:43:40,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:43:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5240 transitions. [2023-11-29 03:43:40,501 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9730733519034355 [2023-11-29 03:43:40,501 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5240 transitions. [2023-11-29 03:43:40,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5240 transitions. [2023-11-29 03:43:40,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:43:40,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5240 transitions. [2023-11-29 03:43:40,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1746.6666666666667) internal successors, (5240), 3 states have internal predecessors, (5240), 0 states have call successors, (0), 0 states 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 03:43:40,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:40,532 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:40,532 INFO L175 Difference]: Start difference. First operand has 1660 places, 1720 transitions, 3450 flow. Second operand 3 states and 5240 transitions. [2023-11-29 03:43:40,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1655 places, 1719 transitions, 3474 flow [2023-11-29 03:43:40,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1653 places, 1719 transitions, 3470 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:43:40,556 INFO L231 Difference]: Finished difference. Result has 1653 places, 1719 transitions, 3448 flow [2023-11-29 03:43:40,558 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3444, PETRI_DIFFERENCE_MINUEND_PLACES=1651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1717, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3448, PETRI_PLACES=1653, PETRI_TRANSITIONS=1719} [2023-11-29 03:43:40,559 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -12 predicate places. [2023-11-29 03:43:40,559 INFO L495 AbstractCegarLoop]: Abstraction has has 1653 places, 1719 transitions, 3448 flow [2023-11-29 03:43:40,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:40,562 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:43:40,563 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 03:43:40,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:43:40,563 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:43:40,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:40,564 INFO L85 PathProgramCache]: Analyzing trace with hash 149130328, now seen corresponding path program 1 times [2023-11-29 03:43:40,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:40,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746920301] [2023-11-29 03:43:40,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:40,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:40,626 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 03:43:40,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:40,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746920301] [2023-11-29 03:43:40,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746920301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:40,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:40,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:43:40,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837670200] [2023-11-29 03:43:40,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:40,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:40,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:40,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:40,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:40,651 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1742 out of 1795 [2023-11-29 03:43:40,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1653 places, 1719 transitions, 3448 flow. Second operand has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:40,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:43:40,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1742 of 1795 [2023-11-29 03:43:40,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:43:42,063 INFO L124 PetriNetUnfolderBase]: 123/2647 cut-off events. [2023-11-29 03:43:42,063 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-11-29 03:43:42,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2680 conditions, 2647 events. 123/2647 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14879 event pairs, 5 based on Foata normal form. 0/2125 useless extension candidates. Maximal degree in co-relation 2626. Up to 22 conditions per place. [2023-11-29 03:43:42,172 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 11 selfloop transitions, 2 changer transitions 0/1718 dead transitions. [2023-11-29 03:43:42,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1654 places, 1718 transitions, 3472 flow [2023-11-29 03:43:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:42,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:43:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5240 transitions. [2023-11-29 03:43:42,192 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9730733519034355 [2023-11-29 03:43:42,192 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5240 transitions. [2023-11-29 03:43:42,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5240 transitions. [2023-11-29 03:43:42,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:43:42,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5240 transitions. [2023-11-29 03:43:42,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1746.6666666666667) internal successors, (5240), 3 states have internal predecessors, (5240), 0 states have call successors, (0), 0 states 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 03:43:42,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:42,234 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:42,235 INFO L175 Difference]: Start difference. First operand has 1653 places, 1719 transitions, 3448 flow. Second operand 3 states and 5240 transitions. [2023-11-29 03:43:42,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1654 places, 1718 transitions, 3472 flow [2023-11-29 03:43:42,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1652 places, 1718 transitions, 3468 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:43:42,280 INFO L231 Difference]: Finished difference. Result has 1652 places, 1718 transitions, 3446 flow [2023-11-29 03:43:42,283 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3442, PETRI_DIFFERENCE_MINUEND_PLACES=1650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1716, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3446, PETRI_PLACES=1652, PETRI_TRANSITIONS=1718} [2023-11-29 03:43:42,284 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -13 predicate places. [2023-11-29 03:43:42,284 INFO L495 AbstractCegarLoop]: Abstraction has has 1652 places, 1718 transitions, 3446 flow [2023-11-29 03:43:42,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:42,286 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:43:42,287 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 03:43:42,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:43:42,287 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:43:42,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:42,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1687594488, now seen corresponding path program 1 times [2023-11-29 03:43:42,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:42,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582014386] [2023-11-29 03:43:42,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:42,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:43:42,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:42,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582014386] [2023-11-29 03:43:42,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582014386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:42,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:42,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:43:42,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493250091] [2023-11-29 03:43:42,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:42,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:42,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:42,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:42,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:42,384 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1742 out of 1795 [2023-11-29 03:43:42,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1652 places, 1718 transitions, 3446 flow. Second operand has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:42,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:43:42,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1742 of 1795 [2023-11-29 03:43:42,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:43:44,050 INFO L124 PetriNetUnfolderBase]: 123/2646 cut-off events. [2023-11-29 03:43:44,050 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2023-11-29 03:43:44,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2679 conditions, 2646 events. 123/2646 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 15348 event pairs, 5 based on Foata normal form. 0/2126 useless extension candidates. Maximal degree in co-relation 2617. Up to 22 conditions per place. [2023-11-29 03:43:44,159 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 11 selfloop transitions, 2 changer transitions 0/1717 dead transitions. [2023-11-29 03:43:44,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1653 places, 1717 transitions, 3470 flow [2023-11-29 03:43:44,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:43:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5240 transitions. [2023-11-29 03:43:44,173 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9730733519034355 [2023-11-29 03:43:44,173 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5240 transitions. [2023-11-29 03:43:44,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5240 transitions. [2023-11-29 03:43:44,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:43:44,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5240 transitions. [2023-11-29 03:43:44,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1746.6666666666667) internal successors, (5240), 3 states have internal predecessors, (5240), 0 states have call successors, (0), 0 states 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 03:43:44,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:44,203 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:44,204 INFO L175 Difference]: Start difference. First operand has 1652 places, 1718 transitions, 3446 flow. Second operand 3 states and 5240 transitions. [2023-11-29 03:43:44,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1653 places, 1717 transitions, 3470 flow [2023-11-29 03:43:44,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1651 places, 1717 transitions, 3466 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:43:44,236 INFO L231 Difference]: Finished difference. Result has 1651 places, 1717 transitions, 3444 flow [2023-11-29 03:43:44,239 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3440, PETRI_DIFFERENCE_MINUEND_PLACES=1649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1717, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3444, PETRI_PLACES=1651, PETRI_TRANSITIONS=1717} [2023-11-29 03:43:44,239 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -14 predicate places. [2023-11-29 03:43:44,240 INFO L495 AbstractCegarLoop]: Abstraction has has 1651 places, 1717 transitions, 3444 flow [2023-11-29 03:43:44,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:44,241 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:43:44,242 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 03:43:44,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 03:43:44,242 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:43:44,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:44,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1971258545, now seen corresponding path program 1 times [2023-11-29 03:43:44,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:44,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874838538] [2023-11-29 03:43:44,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:44,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:44,297 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 03:43:44,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:44,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874838538] [2023-11-29 03:43:44,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874838538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:44,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:44,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:43:44,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788209918] [2023-11-29 03:43:44,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:44,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:44,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:44,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:44,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:44,326 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1742 out of 1795 [2023-11-29 03:43:44,332 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1651 places, 1717 transitions, 3444 flow. Second operand has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:44,332 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:43:44,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1742 of 1795 [2023-11-29 03:43:44,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:43:45,821 INFO L124 PetriNetUnfolderBase]: 102/2214 cut-off events. [2023-11-29 03:43:45,821 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-29 03:43:45,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2249 conditions, 2214 events. 102/2214 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 11521 event pairs, 7 based on Foata normal form. 0/1789 useless extension candidates. Maximal degree in co-relation 2179. Up to 25 conditions per place. [2023-11-29 03:43:45,940 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 11 selfloop transitions, 2 changer transitions 0/1716 dead transitions. [2023-11-29 03:43:45,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1652 places, 1716 transitions, 3468 flow [2023-11-29 03:43:45,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:45,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:43:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5240 transitions. [2023-11-29 03:43:45,950 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9730733519034355 [2023-11-29 03:43:45,951 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5240 transitions. [2023-11-29 03:43:45,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5240 transitions. [2023-11-29 03:43:45,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:43:45,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5240 transitions. [2023-11-29 03:43:45,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1746.6666666666667) internal successors, (5240), 3 states have internal predecessors, (5240), 0 states have call successors, (0), 0 states 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 03:43:45,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:45,977 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:45,977 INFO L175 Difference]: Start difference. First operand has 1651 places, 1717 transitions, 3444 flow. Second operand 3 states and 5240 transitions. [2023-11-29 03:43:45,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1652 places, 1716 transitions, 3468 flow [2023-11-29 03:43:45,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1650 places, 1716 transitions, 3464 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:43:46,009 INFO L231 Difference]: Finished difference. Result has 1650 places, 1716 transitions, 3442 flow [2023-11-29 03:43:46,012 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3438, PETRI_DIFFERENCE_MINUEND_PLACES=1648, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1716, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1714, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3442, PETRI_PLACES=1650, PETRI_TRANSITIONS=1716} [2023-11-29 03:43:46,014 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -15 predicate places. [2023-11-29 03:43:46,014 INFO L495 AbstractCegarLoop]: Abstraction has has 1650 places, 1716 transitions, 3442 flow [2023-11-29 03:43:46,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:46,015 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:43:46,015 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 03:43:46,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 03:43:46,016 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:43:46,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:46,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1348790877, now seen corresponding path program 1 times [2023-11-29 03:43:46,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:46,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690847376] [2023-11-29 03:43:46,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:46,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:46,065 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 03:43:46,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:46,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690847376] [2023-11-29 03:43:46,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690847376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:46,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:46,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:43:46,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067053880] [2023-11-29 03:43:46,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:46,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:46,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:46,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:46,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:46,089 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1742 out of 1795 [2023-11-29 03:43:46,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1650 places, 1716 transitions, 3442 flow. Second operand has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:46,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:43:46,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1742 of 1795 [2023-11-29 03:43:46,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:43:47,496 INFO L124 PetriNetUnfolderBase]: 102/2213 cut-off events. [2023-11-29 03:43:47,497 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-29 03:43:47,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2248 conditions, 2213 events. 102/2213 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 11765 event pairs, 7 based on Foata normal form. 0/1791 useless extension candidates. Maximal degree in co-relation 2170. Up to 25 conditions per place. [2023-11-29 03:43:47,614 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 11 selfloop transitions, 2 changer transitions 0/1715 dead transitions. [2023-11-29 03:43:47,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1651 places, 1715 transitions, 3466 flow [2023-11-29 03:43:47,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:43:47,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5240 transitions. [2023-11-29 03:43:47,624 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9730733519034355 [2023-11-29 03:43:47,624 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5240 transitions. [2023-11-29 03:43:47,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5240 transitions. [2023-11-29 03:43:47,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:43:47,627 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5240 transitions. [2023-11-29 03:43:47,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1746.6666666666667) internal successors, (5240), 3 states have internal predecessors, (5240), 0 states have call successors, (0), 0 states 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 03:43:47,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:47,646 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:47,647 INFO L175 Difference]: Start difference. First operand has 1650 places, 1716 transitions, 3442 flow. Second operand 3 states and 5240 transitions. [2023-11-29 03:43:47,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1651 places, 1715 transitions, 3466 flow [2023-11-29 03:43:47,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1649 places, 1715 transitions, 3462 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:43:47,674 INFO L231 Difference]: Finished difference. Result has 1649 places, 1715 transitions, 3440 flow [2023-11-29 03:43:47,677 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3436, PETRI_DIFFERENCE_MINUEND_PLACES=1647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1715, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1713, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3440, PETRI_PLACES=1649, PETRI_TRANSITIONS=1715} [2023-11-29 03:43:47,678 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -16 predicate places. [2023-11-29 03:43:47,678 INFO L495 AbstractCegarLoop]: Abstraction has has 1649 places, 1715 transitions, 3440 flow [2023-11-29 03:43:47,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1743.3333333333333) internal successors, (5230), 3 states have internal predecessors, (5230), 0 states have call successors, (0), 0 states 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 03:43:47,680 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:43:47,680 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 03:43:47,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 03:43:47,680 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:43:47,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:47,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1359817151, now seen corresponding path program 1 times [2023-11-29 03:43:47,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:47,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020495411] [2023-11-29 03:43:47,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:47,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:47,729 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 03:43:47,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:47,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020495411] [2023-11-29 03:43:47,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020495411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:47,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:47,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:43:47,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252234656] [2023-11-29 03:43:47,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:47,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:47,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:47,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:47,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:47,805 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1734 out of 1795 [2023-11-29 03:43:47,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1649 places, 1715 transitions, 3440 flow. Second operand has 3 states, 3 states have (on average 1735.3333333333333) internal successors, (5206), 3 states have internal predecessors, (5206), 0 states have call successors, (0), 0 states 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 03:43:47,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:43:47,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1734 of 1795 [2023-11-29 03:43:47,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:43:53,147 INFO L124 PetriNetUnfolderBase]: 504/9886 cut-off events. [2023-11-29 03:43:53,147 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 03:43:53,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9969 conditions, 9886 events. 504/9886 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 89707 event pairs, 18 based on Foata normal form. 0/7799 useless extension candidates. Maximal degree in co-relation 9883. Up to 56 conditions per place. [2023-11-29 03:43:53,545 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 19 selfloop transitions, 2 changer transitions 0/1714 dead transitions. [2023-11-29 03:43:53,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1650 places, 1714 transitions, 3480 flow [2023-11-29 03:43:53,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:43:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:43:53,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5224 transitions. [2023-11-29 03:43:53,557 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9701021355617456 [2023-11-29 03:43:53,557 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5224 transitions. [2023-11-29 03:43:53,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5224 transitions. [2023-11-29 03:43:53,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:43:53,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5224 transitions. [2023-11-29 03:43:53,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1741.3333333333333) internal successors, (5224), 3 states have internal predecessors, (5224), 0 states have call successors, (0), 0 states 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 03:43:53,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:53,576 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:43:53,576 INFO L175 Difference]: Start difference. First operand has 1649 places, 1715 transitions, 3440 flow. Second operand 3 states and 5224 transitions. [2023-11-29 03:43:53,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1650 places, 1714 transitions, 3480 flow [2023-11-29 03:43:53,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1648 places, 1714 transitions, 3476 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:43:53,606 INFO L231 Difference]: Finished difference. Result has 1648 places, 1714 transitions, 3438 flow [2023-11-29 03:43:53,609 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3434, PETRI_DIFFERENCE_MINUEND_PLACES=1646, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1714, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1712, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3438, PETRI_PLACES=1648, PETRI_TRANSITIONS=1714} [2023-11-29 03:43:53,610 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -17 predicate places. [2023-11-29 03:43:53,610 INFO L495 AbstractCegarLoop]: Abstraction has has 1648 places, 1714 transitions, 3438 flow [2023-11-29 03:43:53,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1735.3333333333333) internal successors, (5206), 3 states have internal predecessors, (5206), 0 states have call successors, (0), 0 states 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 03:43:53,612 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:43:53,612 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 03:43:53,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 03:43:53,612 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:43:53,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:43:53,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1858078153, now seen corresponding path program 1 times [2023-11-29 03:43:53,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:43:53,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853132645] [2023-11-29 03:43:53,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:43:53,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:43:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:43:53,665 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 03:43:53,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:43:53,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853132645] [2023-11-29 03:43:53,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853132645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:43:53,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:43:53,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:43:53,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888538602] [2023-11-29 03:43:53,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:43:53,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:43:53,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:43:53,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:43:53,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:43:53,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1729 out of 1795 [2023-11-29 03:43:53,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1648 places, 1714 transitions, 3438 flow. Second operand has 3 states, 3 states have (on average 1730.3333333333333) internal successors, (5191), 3 states have internal predecessors, (5191), 0 states have call successors, (0), 0 states 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 03:43:53,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:43:53,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1729 of 1795 [2023-11-29 03:43:53,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:44:02,308 INFO L124 PetriNetUnfolderBase]: 792/15333 cut-off events. [2023-11-29 03:44:02,308 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 03:44:02,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15457 conditions, 15333 events. 792/15333 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 155559 event pairs, 30 based on Foata normal form. 0/12067 useless extension candidates. Maximal degree in co-relation 15363. Up to 85 conditions per place. [2023-11-29 03:44:02,867 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 24 selfloop transitions, 2 changer transitions 0/1713 dead transitions. [2023-11-29 03:44:02,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1649 places, 1713 transitions, 3488 flow [2023-11-29 03:44:02,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:44:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:44:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5214 transitions. [2023-11-29 03:44:02,876 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9682451253481894 [2023-11-29 03:44:02,876 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5214 transitions. [2023-11-29 03:44:02,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5214 transitions. [2023-11-29 03:44:02,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:44:02,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5214 transitions. [2023-11-29 03:44:02,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1738.0) internal successors, (5214), 3 states have internal predecessors, (5214), 0 states have call successors, (0), 0 states 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 03:44:02,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:02,887 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:02,887 INFO L175 Difference]: Start difference. First operand has 1648 places, 1714 transitions, 3438 flow. Second operand 3 states and 5214 transitions. [2023-11-29 03:44:02,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1649 places, 1713 transitions, 3488 flow [2023-11-29 03:44:02,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1647 places, 1713 transitions, 3484 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:44:02,909 INFO L231 Difference]: Finished difference. Result has 1647 places, 1713 transitions, 3436 flow [2023-11-29 03:44:02,911 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=1645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3436, PETRI_PLACES=1647, PETRI_TRANSITIONS=1713} [2023-11-29 03:44:02,912 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -18 predicate places. [2023-11-29 03:44:02,912 INFO L495 AbstractCegarLoop]: Abstraction has has 1647 places, 1713 transitions, 3436 flow [2023-11-29 03:44:02,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1730.3333333333333) internal successors, (5191), 3 states have internal predecessors, (5191), 0 states have call successors, (0), 0 states 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 03:44:02,912 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:44:02,913 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 03:44:02,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 03:44:02,913 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:44:02,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:44:02,913 INFO L85 PathProgramCache]: Analyzing trace with hash -65591191, now seen corresponding path program 1 times [2023-11-29 03:44:02,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:44:02,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300412586] [2023-11-29 03:44:02,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:44:02,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:44:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:44:02,956 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 03:44:02,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:44:02,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300412586] [2023-11-29 03:44:02,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300412586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:44:02,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:44:02,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:44:02,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106711249] [2023-11-29 03:44:02,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:44:02,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:44:02,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:44:02,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:44:02,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:44:03,023 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1733 out of 1795 [2023-11-29 03:44:03,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1647 places, 1713 transitions, 3436 flow. Second operand has 3 states, 3 states have (on average 1734.3333333333333) internal successors, (5203), 3 states have internal predecessors, (5203), 0 states have call successors, (0), 0 states 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 03:44:03,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:44:03,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1733 of 1795 [2023-11-29 03:44:03,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:44:07,373 INFO L124 PetriNetUnfolderBase]: 297/5906 cut-off events. [2023-11-29 03:44:07,373 INFO L125 PetriNetUnfolderBase]: For 12/15 co-relation queries the response was YES. [2023-11-29 03:44:07,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5981 conditions, 5906 events. 297/5906 cut-off events. For 12/15 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 44568 event pairs, 18 based on Foata normal form. 0/4691 useless extension candidates. Maximal degree in co-relation 5879. Up to 57 conditions per place. [2023-11-29 03:44:07,631 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 20 selfloop transitions, 2 changer transitions 0/1712 dead transitions. [2023-11-29 03:44:07,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1648 places, 1712 transitions, 3478 flow [2023-11-29 03:44:07,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:44:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:44:07,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5222 transitions. [2023-11-29 03:44:07,644 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9697307335190344 [2023-11-29 03:44:07,644 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5222 transitions. [2023-11-29 03:44:07,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5222 transitions. [2023-11-29 03:44:07,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:44:07,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5222 transitions. [2023-11-29 03:44:07,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1740.6666666666667) internal successors, (5222), 3 states have internal predecessors, (5222), 0 states have call successors, (0), 0 states 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 03:44:07,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:07,655 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:07,655 INFO L175 Difference]: Start difference. First operand has 1647 places, 1713 transitions, 3436 flow. Second operand 3 states and 5222 transitions. [2023-11-29 03:44:07,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1648 places, 1712 transitions, 3478 flow [2023-11-29 03:44:07,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1646 places, 1712 transitions, 3474 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:44:07,676 INFO L231 Difference]: Finished difference. Result has 1646 places, 1712 transitions, 3434 flow [2023-11-29 03:44:07,679 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3430, PETRI_DIFFERENCE_MINUEND_PLACES=1644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1710, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3434, PETRI_PLACES=1646, PETRI_TRANSITIONS=1712} [2023-11-29 03:44:07,679 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -19 predicate places. [2023-11-29 03:44:07,679 INFO L495 AbstractCegarLoop]: Abstraction has has 1646 places, 1712 transitions, 3434 flow [2023-11-29 03:44:07,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1734.3333333333333) internal successors, (5203), 3 states have internal predecessors, (5203), 0 states have call successors, (0), 0 states 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 03:44:07,680 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:44:07,680 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 03:44:07,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 03:44:07,680 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:44:07,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:44:07,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1798088740, now seen corresponding path program 1 times [2023-11-29 03:44:07,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:44:07,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753608006] [2023-11-29 03:44:07,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:44:07,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:44:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:44:07,725 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 03:44:07,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:44:07,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753608006] [2023-11-29 03:44:07,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753608006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:44:07,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:44:07,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:44:07,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703860222] [2023-11-29 03:44:07,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:44:07,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:44:07,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:44:07,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:44:07,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:44:07,810 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1729 out of 1795 [2023-11-29 03:44:07,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1646 places, 1712 transitions, 3434 flow. Second operand has 3 states, 3 states have (on average 1730.3333333333333) internal successors, (5191), 3 states have internal predecessors, (5191), 0 states have call successors, (0), 0 states 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 03:44:07,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:44:07,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1729 of 1795 [2023-11-29 03:44:07,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:44:13,918 INFO L124 PetriNetUnfolderBase]: 447/8701 cut-off events. [2023-11-29 03:44:13,918 INFO L125 PetriNetUnfolderBase]: For 18/22 co-relation queries the response was YES. [2023-11-29 03:44:14,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8810 conditions, 8701 events. 447/8701 cut-off events. For 18/22 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 74501 event pairs, 30 based on Foata normal form. 0/6883 useless extension candidates. Maximal degree in co-relation 8700. Up to 85 conditions per place. [2023-11-29 03:44:14,511 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 24 selfloop transitions, 2 changer transitions 0/1711 dead transitions. [2023-11-29 03:44:14,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1647 places, 1711 transitions, 3484 flow [2023-11-29 03:44:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:44:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:44:14,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5214 transitions. [2023-11-29 03:44:14,524 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9682451253481894 [2023-11-29 03:44:14,524 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5214 transitions. [2023-11-29 03:44:14,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5214 transitions. [2023-11-29 03:44:14,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:44:14,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5214 transitions. [2023-11-29 03:44:14,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1738.0) internal successors, (5214), 3 states have internal predecessors, (5214), 0 states have call successors, (0), 0 states 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 03:44:14,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:14,548 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:14,548 INFO L175 Difference]: Start difference. First operand has 1646 places, 1712 transitions, 3434 flow. Second operand 3 states and 5214 transitions. [2023-11-29 03:44:14,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1647 places, 1711 transitions, 3484 flow [2023-11-29 03:44:14,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1645 places, 1711 transitions, 3480 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:44:14,576 INFO L231 Difference]: Finished difference. Result has 1645 places, 1711 transitions, 3432 flow [2023-11-29 03:44:14,579 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3428, PETRI_DIFFERENCE_MINUEND_PLACES=1643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3432, PETRI_PLACES=1645, PETRI_TRANSITIONS=1711} [2023-11-29 03:44:14,580 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -20 predicate places. [2023-11-29 03:44:14,580 INFO L495 AbstractCegarLoop]: Abstraction has has 1645 places, 1711 transitions, 3432 flow [2023-11-29 03:44:14,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1730.3333333333333) internal successors, (5191), 3 states have internal predecessors, (5191), 0 states have call successors, (0), 0 states 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 03:44:14,581 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:44:14,581 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 03:44:14,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 03:44:14,581 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:44:14,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:44:14,582 INFO L85 PathProgramCache]: Analyzing trace with hash 219845703, now seen corresponding path program 1 times [2023-11-29 03:44:14,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:44:14,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272787108] [2023-11-29 03:44:14,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:44:14,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:44:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:44:14,635 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 03:44:14,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:44:14,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272787108] [2023-11-29 03:44:14,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272787108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:44:14,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:44:14,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:44:14,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966675803] [2023-11-29 03:44:14,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:44:14,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:44:14,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:44:14,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:44:14,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:44:14,699 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1733 out of 1795 [2023-11-29 03:44:14,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1645 places, 1711 transitions, 3432 flow. Second operand has 3 states, 3 states have (on average 1734.3333333333333) internal successors, (5203), 3 states have internal predecessors, (5203), 0 states have call successors, (0), 0 states 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 03:44:14,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:44:14,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1733 of 1795 [2023-11-29 03:44:14,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:44:16,114 INFO L124 PetriNetUnfolderBase]: 90/1890 cut-off events. [2023-11-29 03:44:16,114 INFO L125 PetriNetUnfolderBase]: For 21/23 co-relation queries the response was YES. [2023-11-29 03:44:16,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1956 conditions, 1890 events. 90/1890 cut-off events. For 21/23 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 9786 event pairs, 18 based on Foata normal form. 0/1555 useless extension candidates. Maximal degree in co-relation 1838. Up to 57 conditions per place. [2023-11-29 03:44:16,207 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 20 selfloop transitions, 2 changer transitions 0/1710 dead transitions. [2023-11-29 03:44:16,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1646 places, 1710 transitions, 3474 flow [2023-11-29 03:44:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:44:16,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:44:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5222 transitions. [2023-11-29 03:44:16,217 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9697307335190344 [2023-11-29 03:44:16,217 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5222 transitions. [2023-11-29 03:44:16,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5222 transitions. [2023-11-29 03:44:16,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:44:16,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5222 transitions. [2023-11-29 03:44:16,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1740.6666666666667) internal successors, (5222), 3 states have internal predecessors, (5222), 0 states have call successors, (0), 0 states 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 03:44:16,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:16,228 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:16,228 INFO L175 Difference]: Start difference. First operand has 1645 places, 1711 transitions, 3432 flow. Second operand 3 states and 5222 transitions. [2023-11-29 03:44:16,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1646 places, 1710 transitions, 3474 flow [2023-11-29 03:44:16,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1644 places, 1710 transitions, 3470 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:44:16,248 INFO L231 Difference]: Finished difference. Result has 1644 places, 1710 transitions, 3430 flow [2023-11-29 03:44:16,251 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=1642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3430, PETRI_PLACES=1644, PETRI_TRANSITIONS=1710} [2023-11-29 03:44:16,252 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -21 predicate places. [2023-11-29 03:44:16,252 INFO L495 AbstractCegarLoop]: Abstraction has has 1644 places, 1710 transitions, 3430 flow [2023-11-29 03:44:16,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1734.3333333333333) internal successors, (5203), 3 states have internal predecessors, (5203), 0 states have call successors, (0), 0 states 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 03:44:16,253 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:44:16,253 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] [2023-11-29 03:44:16,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 03:44:16,254 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:44:16,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:44:16,254 INFO L85 PathProgramCache]: Analyzing trace with hash -59105557, now seen corresponding path program 1 times [2023-11-29 03:44:16,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:44:16,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386259290] [2023-11-29 03:44:16,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:44:16,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:44:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:44:16,295 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 03:44:16,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:44:16,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386259290] [2023-11-29 03:44:16,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386259290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:44:16,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:44:16,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:44:16,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385364737] [2023-11-29 03:44:16,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:44:16,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:44:16,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:44:16,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:44:16,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:44:16,364 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1729 out of 1795 [2023-11-29 03:44:16,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand has 3 states, 3 states have (on average 1730.3333333333333) internal successors, (5191), 3 states have internal predecessors, (5191), 0 states have call successors, (0), 0 states 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 03:44:16,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:44:16,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1729 of 1795 [2023-11-29 03:44:16,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:44:17,576 INFO L124 PetriNetUnfolderBase]: 135/2404 cut-off events. [2023-11-29 03:44:17,576 INFO L125 PetriNetUnfolderBase]: For 34/36 co-relation queries the response was YES. [2023-11-29 03:44:17,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2499 conditions, 2404 events. 135/2404 cut-off events. For 34/36 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 14160 event pairs, 30 based on Foata normal form. 0/1940 useless extension candidates. Maximal degree in co-relation 2373. Up to 86 conditions per place. [2023-11-29 03:44:17,652 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 24 selfloop transitions, 2 changer transitions 0/1709 dead transitions. [2023-11-29 03:44:17,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1645 places, 1709 transitions, 3480 flow [2023-11-29 03:44:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:44:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:44:17,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5214 transitions. [2023-11-29 03:44:17,663 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9682451253481894 [2023-11-29 03:44:17,663 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5214 transitions. [2023-11-29 03:44:17,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5214 transitions. [2023-11-29 03:44:17,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:44:17,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5214 transitions. [2023-11-29 03:44:17,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1738.0) internal successors, (5214), 3 states have internal predecessors, (5214), 0 states have call successors, (0), 0 states 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 03:44:17,672 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:17,673 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:17,673 INFO L175 Difference]: Start difference. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand 3 states and 5214 transitions. [2023-11-29 03:44:17,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1645 places, 1709 transitions, 3480 flow [2023-11-29 03:44:17,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1643 places, 1709 transitions, 3476 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:44:17,692 INFO L231 Difference]: Finished difference. Result has 1643 places, 1709 transitions, 3428 flow [2023-11-29 03:44:17,694 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3424, PETRI_DIFFERENCE_MINUEND_PLACES=1641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3428, PETRI_PLACES=1643, PETRI_TRANSITIONS=1709} [2023-11-29 03:44:17,694 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -22 predicate places. [2023-11-29 03:44:17,694 INFO L495 AbstractCegarLoop]: Abstraction has has 1643 places, 1709 transitions, 3428 flow [2023-11-29 03:44:17,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1730.3333333333333) internal successors, (5191), 3 states have internal predecessors, (5191), 0 states have call successors, (0), 0 states 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 03:44:17,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:44:17,695 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] [2023-11-29 03:44:17,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 03:44:17,696 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:44:17,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:44:17,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1489630893, now seen corresponding path program 1 times [2023-11-29 03:44:17,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:44:17,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771747420] [2023-11-29 03:44:17,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:44:17,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:44:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:44:17,736 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 03:44:17,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:44:17,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771747420] [2023-11-29 03:44:17,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771747420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:44:17,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:44:17,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:44:17,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67762418] [2023-11-29 03:44:17,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:44:17,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:44:17,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:44:17,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:44:17,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:44:17,779 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1795 [2023-11-29 03:44:17,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:44:17,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:44:17,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1795 [2023-11-29 03:44:17,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:44:21,068 INFO L124 PetriNetUnfolderBase]: 412/7040 cut-off events. [2023-11-29 03:44:21,068 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 03:44:21,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7207 conditions, 7040 events. 412/7040 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 63250 event pairs, 64 based on Foata normal form. 0/5567 useless extension candidates. Maximal degree in co-relation 7073. Up to 130 conditions per place. [2023-11-29 03:44:21,468 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 17 selfloop transitions, 2 changer transitions 0/1708 dead transitions. [2023-11-29 03:44:21,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1644 places, 1708 transitions, 3464 flow [2023-11-29 03:44:21,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:44:21,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:44:21,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5228 transitions. [2023-11-29 03:44:21,475 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9708449396471681 [2023-11-29 03:44:21,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5228 transitions. [2023-11-29 03:44:21,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5228 transitions. [2023-11-29 03:44:21,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:44:21,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5228 transitions. [2023-11-29 03:44:21,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1742.6666666666667) internal successors, (5228), 3 states have internal predecessors, (5228), 0 states have call successors, (0), 0 states 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 03:44:21,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:21,491 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:21,492 INFO L175 Difference]: Start difference. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand 3 states and 5228 transitions. [2023-11-29 03:44:21,492 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1644 places, 1708 transitions, 3464 flow [2023-11-29 03:44:21,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1642 places, 1708 transitions, 3460 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:44:21,523 INFO L231 Difference]: Finished difference. Result has 1642 places, 1708 transitions, 3426 flow [2023-11-29 03:44:21,526 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3422, PETRI_DIFFERENCE_MINUEND_PLACES=1640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3426, PETRI_PLACES=1642, PETRI_TRANSITIONS=1708} [2023-11-29 03:44:21,526 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -23 predicate places. [2023-11-29 03:44:21,527 INFO L495 AbstractCegarLoop]: Abstraction has has 1642 places, 1708 transitions, 3426 flow [2023-11-29 03:44:21,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:44:21,528 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:44:21,528 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] [2023-11-29 03:44:21,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 03:44:21,528 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:44:21,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:44:21,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1489591324, now seen corresponding path program 1 times [2023-11-29 03:44:21,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:44:21,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777371158] [2023-11-29 03:44:21,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:44:21,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:44:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:44:21,574 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 03:44:21,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:44:21,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777371158] [2023-11-29 03:44:21,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777371158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:44:21,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:44:21,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:44:21,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719219448] [2023-11-29 03:44:21,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:44:21,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:44:21,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:44:21,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:44:21,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:44:21,619 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1795 [2023-11-29 03:44:21,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:44:21,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:44:21,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1795 [2023-11-29 03:44:21,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:44:24,669 INFO L124 PetriNetUnfolderBase]: 334/6241 cut-off events. [2023-11-29 03:44:24,669 INFO L125 PetriNetUnfolderBase]: For 11/13 co-relation queries the response was YES. [2023-11-29 03:44:24,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6340 conditions, 6241 events. 334/6241 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 52800 event pairs, 32 based on Foata normal form. 0/4942 useless extension candidates. Maximal degree in co-relation 6199. Up to 82 conditions per place. [2023-11-29 03:44:24,844 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 17 selfloop transitions, 2 changer transitions 0/1707 dead transitions. [2023-11-29 03:44:24,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1643 places, 1707 transitions, 3462 flow [2023-11-29 03:44:24,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:44:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:44:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5228 transitions. [2023-11-29 03:44:24,848 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9708449396471681 [2023-11-29 03:44:24,848 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5228 transitions. [2023-11-29 03:44:24,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5228 transitions. [2023-11-29 03:44:24,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:44:24,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5228 transitions. [2023-11-29 03:44:24,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1742.6666666666667) internal successors, (5228), 3 states have internal predecessors, (5228), 0 states have call successors, (0), 0 states 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 03:44:24,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:24,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:24,856 INFO L175 Difference]: Start difference. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand 3 states and 5228 transitions. [2023-11-29 03:44:24,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1643 places, 1707 transitions, 3462 flow [2023-11-29 03:44:24,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1641 places, 1707 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:44:24,874 INFO L231 Difference]: Finished difference. Result has 1641 places, 1707 transitions, 3424 flow [2023-11-29 03:44:24,876 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3420, PETRI_DIFFERENCE_MINUEND_PLACES=1639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1707, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1641, PETRI_TRANSITIONS=1707} [2023-11-29 03:44:24,876 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -24 predicate places. [2023-11-29 03:44:24,876 INFO L495 AbstractCegarLoop]: Abstraction has has 1641 places, 1707 transitions, 3424 flow [2023-11-29 03:44:24,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:44:24,877 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:44:24,877 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] [2023-11-29 03:44:24,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 03:44:24,877 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:44:24,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:44:24,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1783995207, now seen corresponding path program 1 times [2023-11-29 03:44:24,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:44:24,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034643242] [2023-11-29 03:44:24,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:44:24,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:44:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:44:24,921 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 03:44:24,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:44:24,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034643242] [2023-11-29 03:44:24,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034643242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:44:24,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:44:24,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:44:24,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335442520] [2023-11-29 03:44:24,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:44:24,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:44:24,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:44:24,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:44:24,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:44:24,972 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1795 [2023-11-29 03:44:24,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:44:24,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:44:24,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1795 [2023-11-29 03:44:24,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:44:28,099 INFO L124 PetriNetUnfolderBase]: 315/5445 cut-off events. [2023-11-29 03:44:28,100 INFO L125 PetriNetUnfolderBase]: For 32/73 co-relation queries the response was YES. [2023-11-29 03:44:28,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5597 conditions, 5445 events. 315/5445 cut-off events. For 32/73 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 43697 event pairs, 64 based on Foata normal form. 0/4346 useless extension candidates. Maximal degree in co-relation 5449. Up to 139 conditions per place. [2023-11-29 03:44:28,292 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 17 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2023-11-29 03:44:28,292 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1642 places, 1706 transitions, 3460 flow [2023-11-29 03:44:28,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:44:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:44:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5228 transitions. [2023-11-29 03:44:28,298 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9708449396471681 [2023-11-29 03:44:28,298 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5228 transitions. [2023-11-29 03:44:28,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5228 transitions. [2023-11-29 03:44:28,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:44:28,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5228 transitions. [2023-11-29 03:44:28,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1742.6666666666667) internal successors, (5228), 3 states have internal predecessors, (5228), 0 states have call successors, (0), 0 states 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 03:44:28,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:28,312 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:28,313 INFO L175 Difference]: Start difference. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand 3 states and 5228 transitions. [2023-11-29 03:44:28,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1642 places, 1706 transitions, 3460 flow [2023-11-29 03:44:28,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1640 places, 1706 transitions, 3456 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:44:28,342 INFO L231 Difference]: Finished difference. Result has 1640 places, 1706 transitions, 3422 flow [2023-11-29 03:44:28,345 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3422, PETRI_PLACES=1640, PETRI_TRANSITIONS=1706} [2023-11-29 03:44:28,345 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -25 predicate places. [2023-11-29 03:44:28,345 INFO L495 AbstractCegarLoop]: Abstraction has has 1640 places, 1706 transitions, 3422 flow [2023-11-29 03:44:28,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:44:28,346 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:44:28,347 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] [2023-11-29 03:44:28,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 03:44:28,347 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:44:28,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:44:28,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2025842025, now seen corresponding path program 1 times [2023-11-29 03:44:28,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:44:28,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702624958] [2023-11-29 03:44:28,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:44:28,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:44:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:44:28,392 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 03:44:28,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:44:28,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702624958] [2023-11-29 03:44:28,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702624958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:44:28,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:44:28,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:44:28,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269699411] [2023-11-29 03:44:28,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:44:28,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:44:28,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:44:28,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:44:28,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:44:28,468 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1795 [2023-11-29 03:44:28,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states 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 03:44:28,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:44:28,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1795 [2023-11-29 03:44:28,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:44:35,695 INFO L124 PetriNetUnfolderBase]: 744/14417 cut-off events. [2023-11-29 03:44:35,695 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 03:44:36,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14534 conditions, 14417 events. 744/14417 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 145174 event pairs, 28 based on Foata normal form. 0/11361 useless extension candidates. Maximal degree in co-relation 14379. Up to 80 conditions per place. [2023-11-29 03:44:36,309 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 23 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2023-11-29 03:44:36,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1705 transitions, 3470 flow [2023-11-29 03:44:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:44:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:44:36,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5216 transitions. [2023-11-29 03:44:36,315 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9686165273909007 [2023-11-29 03:44:36,315 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5216 transitions. [2023-11-29 03:44:36,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5216 transitions. [2023-11-29 03:44:36,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:44:36,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5216 transitions. [2023-11-29 03:44:36,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1738.6666666666667) internal successors, (5216), 3 states have internal predecessors, (5216), 0 states have call successors, (0), 0 states 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 03:44:36,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:36,326 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:36,326 INFO L175 Difference]: Start difference. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand 3 states and 5216 transitions. [2023-11-29 03:44:36,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1705 transitions, 3470 flow [2023-11-29 03:44:36,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1705 transitions, 3466 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:44:36,356 INFO L231 Difference]: Finished difference. Result has 1639 places, 1705 transitions, 3420 flow [2023-11-29 03:44:36,359 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3420, PETRI_PLACES=1639, PETRI_TRANSITIONS=1705} [2023-11-29 03:44:36,359 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -26 predicate places. [2023-11-29 03:44:36,359 INFO L495 AbstractCegarLoop]: Abstraction has has 1639 places, 1705 transitions, 3420 flow [2023-11-29 03:44:36,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states 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 03:44:36,360 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:44:36,361 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] [2023-11-29 03:44:36,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 03:44:36,361 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:44:36,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:44:36,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1593426090, now seen corresponding path program 1 times [2023-11-29 03:44:36,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:44:36,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054710798] [2023-11-29 03:44:36,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:44:36,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:44:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:44:36,406 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 03:44:36,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:44:36,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054710798] [2023-11-29 03:44:36,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054710798] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:44:36,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:44:36,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:44:36,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122012054] [2023-11-29 03:44:36,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:44:36,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:44:36,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:44:36,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:44:36,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:44:36,478 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1795 [2023-11-29 03:44:36,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states 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 03:44:36,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:44:36,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1795 [2023-11-29 03:44:36,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:44:42,340 INFO L124 PetriNetUnfolderBase]: 422/8228 cut-off events. [2023-11-29 03:44:42,341 INFO L125 PetriNetUnfolderBase]: For 17/20 co-relation queries the response was YES. [2023-11-29 03:44:42,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8331 conditions, 8228 events. 422/8228 cut-off events. For 17/20 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 69531 event pairs, 28 based on Foata normal form. 0/6522 useless extension candidates. Maximal degree in co-relation 8169. Up to 80 conditions per place. [2023-11-29 03:44:42,706 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 23 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2023-11-29 03:44:42,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1704 transitions, 3468 flow [2023-11-29 03:44:42,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:44:42,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:44:42,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5216 transitions. [2023-11-29 03:44:42,710 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9686165273909007 [2023-11-29 03:44:42,710 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5216 transitions. [2023-11-29 03:44:42,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5216 transitions. [2023-11-29 03:44:42,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:44:42,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5216 transitions. [2023-11-29 03:44:42,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1738.6666666666667) internal successors, (5216), 3 states have internal predecessors, (5216), 0 states have call successors, (0), 0 states 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 03:44:42,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:42,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:42,719 INFO L175 Difference]: Start difference. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand 3 states and 5216 transitions. [2023-11-29 03:44:42,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1704 transitions, 3468 flow [2023-11-29 03:44:42,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1704 transitions, 3464 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:44:42,738 INFO L231 Difference]: Finished difference. Result has 1638 places, 1704 transitions, 3418 flow [2023-11-29 03:44:42,740 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1638, PETRI_TRANSITIONS=1704} [2023-11-29 03:44:42,740 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -27 predicate places. [2023-11-29 03:44:42,741 INFO L495 AbstractCegarLoop]: Abstraction has has 1638 places, 1704 transitions, 3418 flow [2023-11-29 03:44:42,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states 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 03:44:42,741 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:44:42,741 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] [2023-11-29 03:44:42,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 03:44:42,742 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:44:42,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:44:42,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1861922543, now seen corresponding path program 1 times [2023-11-29 03:44:42,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:44:42,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852420803] [2023-11-29 03:44:42,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:44:42,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:44:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:44:42,784 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 03:44:42,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:44:42,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852420803] [2023-11-29 03:44:42,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852420803] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:44:42,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:44:42,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:44:42,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499955068] [2023-11-29 03:44:42,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:44:42,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:44:42,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:44:42,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:44:42,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:44:42,856 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1795 [2023-11-29 03:44:42,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states 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 03:44:42,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:44:42,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1795 [2023-11-29 03:44:42,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:44:43,864 INFO L124 PetriNetUnfolderBase]: 100/1983 cut-off events. [2023-11-29 03:44:43,864 INFO L125 PetriNetUnfolderBase]: For 31/33 co-relation queries the response was YES. [2023-11-29 03:44:43,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2072 conditions, 1983 events. 100/1983 cut-off events. For 31/33 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 10694 event pairs, 28 based on Foata normal form. 0/1646 useless extension candidates. Maximal degree in co-relation 1903. Up to 80 conditions per place. [2023-11-29 03:44:43,947 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 23 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2023-11-29 03:44:43,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1703 transitions, 3466 flow [2023-11-29 03:44:43,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:44:43,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:44:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5216 transitions. [2023-11-29 03:44:43,950 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9686165273909007 [2023-11-29 03:44:43,950 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5216 transitions. [2023-11-29 03:44:43,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5216 transitions. [2023-11-29 03:44:43,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:44:43,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5216 transitions. [2023-11-29 03:44:43,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1738.6666666666667) internal successors, (5216), 3 states have internal predecessors, (5216), 0 states have call successors, (0), 0 states 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 03:44:43,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:43,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:44:43,959 INFO L175 Difference]: Start difference. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand 3 states and 5216 transitions. [2023-11-29 03:44:43,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1703 transitions, 3466 flow [2023-11-29 03:44:43,965 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1703 transitions, 3462 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:44:43,979 INFO L231 Difference]: Finished difference. Result has 1637 places, 1703 transitions, 3416 flow [2023-11-29 03:44:43,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3416, PETRI_PLACES=1637, PETRI_TRANSITIONS=1703} [2023-11-29 03:44:43,982 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -28 predicate places. [2023-11-29 03:44:43,982 INFO L495 AbstractCegarLoop]: Abstraction has has 1637 places, 1703 transitions, 3416 flow [2023-11-29 03:44:43,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states 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 03:44:43,982 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:44:43,983 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] [2023-11-29 03:44:43,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 03:44:43,983 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:44:43,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:44:43,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1797974391, now seen corresponding path program 1 times [2023-11-29 03:44:43,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:44:43,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925615620] [2023-11-29 03:44:43,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:44:43,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:44:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:44:44,176 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 03:44:44,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:44:44,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925615620] [2023-11-29 03:44:44,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925615620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:44:44,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:44:44,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:44:44,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135795889] [2023-11-29 03:44:44,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:44:44,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:44:44,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:44:44,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:44:44,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:44:44,415 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1682 out of 1795 [2023-11-29 03:44:44,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand has 3 states, 3 states have (on average 1684.0) internal successors, (5052), 3 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states 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 03:44:44,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:44:44,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1682 of 1795 [2023-11-29 03:44:44,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:45:05,301 INFO L124 PetriNetUnfolderBase]: 12000/56292 cut-off events. [2023-11-29 03:45:05,302 INFO L125 PetriNetUnfolderBase]: For 91/97 co-relation queries the response was YES. [2023-11-29 03:45:06,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70508 conditions, 56292 events. 12000/56292 cut-off events. For 91/97 co-relation queries the response was YES. Maximal size of possible extension queue 1326. Compared 797814 event pairs, 9904 based on Foata normal form. 0/43496 useless extension candidates. Maximal degree in co-relation 70333. Up to 14115 conditions per place. [2023-11-29 03:45:06,698 INFO L140 encePairwiseOnDemand]: 1786/1795 looper letters, 66 selfloop transitions, 6 changer transitions 0/1700 dead transitions. [2023-11-29 03:45:06,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1700 transitions, 3554 flow [2023-11-29 03:45:06,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:45:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:45:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5121 transitions. [2023-11-29 03:45:06,702 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.950974930362117 [2023-11-29 03:45:06,702 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5121 transitions. [2023-11-29 03:45:06,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5121 transitions. [2023-11-29 03:45:06,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:45:06,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5121 transitions. [2023-11-29 03:45:06,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1707.0) internal successors, (5121), 3 states have internal predecessors, (5121), 0 states have call successors, (0), 0 states 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 03:45:06,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:06,710 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:06,711 INFO L175 Difference]: Start difference. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand 3 states and 5121 transitions. [2023-11-29 03:45:06,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1700 transitions, 3554 flow [2023-11-29 03:45:06,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1700 transitions, 3550 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:45:06,735 INFO L231 Difference]: Finished difference. Result has 1634 places, 1700 transitions, 3418 flow [2023-11-29 03:45:06,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=1632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1634, PETRI_TRANSITIONS=1700} [2023-11-29 03:45:06,738 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -31 predicate places. [2023-11-29 03:45:06,738 INFO L495 AbstractCegarLoop]: Abstraction has has 1634 places, 1700 transitions, 3418 flow [2023-11-29 03:45:06,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1684.0) internal successors, (5052), 3 states have internal predecessors, (5052), 0 states have call successors, (0), 0 states 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 03:45:06,738 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:45:06,738 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] [2023-11-29 03:45:06,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 03:45:06,739 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:45:06,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:45:06,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1646637992, now seen corresponding path program 1 times [2023-11-29 03:45:06,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:45:06,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146820118] [2023-11-29 03:45:06,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:45:06,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:45:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:45:06,786 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 03:45:06,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:45:06,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146820118] [2023-11-29 03:45:06,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146820118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:45:06,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:45:06,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:45:06,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441466161] [2023-11-29 03:45:06,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:45:06,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:45:06,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:45:06,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:45:06,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:45:06,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1795 [2023-11-29 03:45:06,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1634 places, 1700 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:45:06,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:45:06,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1795 [2023-11-29 03:45:06,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:45:12,441 INFO L124 PetriNetUnfolderBase]: 780/14523 cut-off events. [2023-11-29 03:45:12,441 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2023-11-29 03:45:12,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14694 conditions, 14523 events. 780/14523 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 143060 event pairs, 64 based on Foata normal form. 0/11448 useless extension candidates. Maximal degree in co-relation 14664. Up to 130 conditions per place. [2023-11-29 03:45:12,776 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 17 selfloop transitions, 2 changer transitions 0/1699 dead transitions. [2023-11-29 03:45:12,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1635 places, 1699 transitions, 3454 flow [2023-11-29 03:45:12,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:45:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:45:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5228 transitions. [2023-11-29 03:45:12,780 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9708449396471681 [2023-11-29 03:45:12,780 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5228 transitions. [2023-11-29 03:45:12,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5228 transitions. [2023-11-29 03:45:12,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:45:12,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5228 transitions. [2023-11-29 03:45:12,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1742.6666666666667) internal successors, (5228), 3 states have internal predecessors, (5228), 0 states have call successors, (0), 0 states 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 03:45:12,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:12,788 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:12,788 INFO L175 Difference]: Start difference. First operand has 1634 places, 1700 transitions, 3418 flow. Second operand 3 states and 5228 transitions. [2023-11-29 03:45:12,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1635 places, 1699 transitions, 3454 flow [2023-11-29 03:45:12,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1633 places, 1699 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:45:12,808 INFO L231 Difference]: Finished difference. Result has 1633 places, 1699 transitions, 3408 flow [2023-11-29 03:45:12,809 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3404, PETRI_DIFFERENCE_MINUEND_PLACES=1631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3408, PETRI_PLACES=1633, PETRI_TRANSITIONS=1699} [2023-11-29 03:45:12,810 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -32 predicate places. [2023-11-29 03:45:12,810 INFO L495 AbstractCegarLoop]: Abstraction has has 1633 places, 1699 transitions, 3408 flow [2023-11-29 03:45:12,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:45:12,810 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:45:12,811 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 03:45:12,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 03:45:12,811 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:45:12,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:45:12,811 INFO L85 PathProgramCache]: Analyzing trace with hash -951670989, now seen corresponding path program 1 times [2023-11-29 03:45:12,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:45:12,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964006865] [2023-11-29 03:45:12,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:45:12,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:45:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:45:12,872 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 03:45:12,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:45:12,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964006865] [2023-11-29 03:45:12,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964006865] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:45:12,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:45:12,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:45:12,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978696739] [2023-11-29 03:45:12,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:45:12,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:45:12,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:45:12,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:45:12,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:45:12,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1795 [2023-11-29 03:45:12,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1633 places, 1699 transitions, 3408 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:45:12,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:45:12,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1795 [2023-11-29 03:45:12,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:45:15,539 INFO L124 PetriNetUnfolderBase]: 288/5426 cut-off events. [2023-11-29 03:45:15,539 INFO L125 PetriNetUnfolderBase]: For 11/13 co-relation queries the response was YES. [2023-11-29 03:45:15,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5525 conditions, 5426 events. 288/5426 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 41306 event pairs, 32 based on Foata normal form. 0/4319 useless extension candidates. Maximal degree in co-relation 5306. Up to 82 conditions per place. [2023-11-29 03:45:15,709 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 17 selfloop transitions, 2 changer transitions 0/1698 dead transitions. [2023-11-29 03:45:15,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1634 places, 1698 transitions, 3444 flow [2023-11-29 03:45:15,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:45:15,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:45:15,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5228 transitions. [2023-11-29 03:45:15,714 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9708449396471681 [2023-11-29 03:45:15,715 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5228 transitions. [2023-11-29 03:45:15,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5228 transitions. [2023-11-29 03:45:15,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:45:15,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5228 transitions. [2023-11-29 03:45:15,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1742.6666666666667) internal successors, (5228), 3 states have internal predecessors, (5228), 0 states have call successors, (0), 0 states 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 03:45:15,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:15,722 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:15,722 INFO L175 Difference]: Start difference. First operand has 1633 places, 1699 transitions, 3408 flow. Second operand 3 states and 5228 transitions. [2023-11-29 03:45:15,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1634 places, 1698 transitions, 3444 flow [2023-11-29 03:45:15,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1632 places, 1698 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:45:15,740 INFO L231 Difference]: Finished difference. Result has 1632 places, 1698 transitions, 3406 flow [2023-11-29 03:45:15,742 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3402, PETRI_DIFFERENCE_MINUEND_PLACES=1630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3406, PETRI_PLACES=1632, PETRI_TRANSITIONS=1698} [2023-11-29 03:45:15,742 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -33 predicate places. [2023-11-29 03:45:15,743 INFO L495 AbstractCegarLoop]: Abstraction has has 1632 places, 1698 transitions, 3406 flow [2023-11-29 03:45:15,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:45:15,743 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:45:15,744 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] [2023-11-29 03:45:15,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 03:45:15,744 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:45:15,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:45:15,744 INFO L85 PathProgramCache]: Analyzing trace with hash 45829037, now seen corresponding path program 1 times [2023-11-29 03:45:15,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:45:15,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904446431] [2023-11-29 03:45:15,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:45:15,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:45:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:45:15,797 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 03:45:15,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:45:15,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904446431] [2023-11-29 03:45:15,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904446431] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:45:15,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:45:15,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:45:15,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265092594] [2023-11-29 03:45:15,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:45:15,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:45:15,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:45:15,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:45:15,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:45:15,838 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1736 out of 1795 [2023-11-29 03:45:15,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1632 places, 1698 transitions, 3406 flow. Second operand has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:45:15,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:45:15,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1736 of 1795 [2023-11-29 03:45:15,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:45:18,168 INFO L124 PetriNetUnfolderBase]: 228/3833 cut-off events. [2023-11-29 03:45:18,168 INFO L125 PetriNetUnfolderBase]: For 31/33 co-relation queries the response was YES. [2023-11-29 03:45:18,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3976 conditions, 3833 events. 228/3833 cut-off events. For 31/33 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 27402 event pairs, 64 based on Foata normal form. 0/3073 useless extension candidates. Maximal degree in co-relation 3714. Up to 130 conditions per place. [2023-11-29 03:45:18,305 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 17 selfloop transitions, 2 changer transitions 0/1697 dead transitions. [2023-11-29 03:45:18,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1633 places, 1697 transitions, 3442 flow [2023-11-29 03:45:18,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:45:18,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:45:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5228 transitions. [2023-11-29 03:45:18,309 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9708449396471681 [2023-11-29 03:45:18,309 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5228 transitions. [2023-11-29 03:45:18,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5228 transitions. [2023-11-29 03:45:18,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:45:18,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5228 transitions. [2023-11-29 03:45:18,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1742.6666666666667) internal successors, (5228), 3 states have internal predecessors, (5228), 0 states have call successors, (0), 0 states 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 03:45:18,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:18,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:18,316 INFO L175 Difference]: Start difference. First operand has 1632 places, 1698 transitions, 3406 flow. Second operand 3 states and 5228 transitions. [2023-11-29 03:45:18,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1633 places, 1697 transitions, 3442 flow [2023-11-29 03:45:18,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1631 places, 1697 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:45:18,333 INFO L231 Difference]: Finished difference. Result has 1631 places, 1697 transitions, 3404 flow [2023-11-29 03:45:18,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3400, PETRI_DIFFERENCE_MINUEND_PLACES=1629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1697, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3404, PETRI_PLACES=1631, PETRI_TRANSITIONS=1697} [2023-11-29 03:45:18,335 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -34 predicate places. [2023-11-29 03:45:18,335 INFO L495 AbstractCegarLoop]: Abstraction has has 1631 places, 1697 transitions, 3404 flow [2023-11-29 03:45:18,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1737.3333333333333) internal successors, (5212), 3 states have internal predecessors, (5212), 0 states have call successors, (0), 0 states 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 03:45:18,336 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:45:18,336 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] [2023-11-29 03:45:18,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 03:45:18,336 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err57ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:45:18,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:45:18,337 INFO L85 PathProgramCache]: Analyzing trace with hash -504584732, now seen corresponding path program 1 times [2023-11-29 03:45:18,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:45:18,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075594057] [2023-11-29 03:45:18,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:45:18,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:45:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:45:18,399 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 03:45:18,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:45:18,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075594057] [2023-11-29 03:45:18,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075594057] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:45:18,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:45:18,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:45:18,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729037101] [2023-11-29 03:45:18,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:45:18,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:45:18,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:45:18,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:45:18,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:45:18,435 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1726 out of 1795 [2023-11-29 03:45:18,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1631 places, 1697 transitions, 3404 flow. Second operand has 3 states, 3 states have (on average 1727.3333333333333) internal successors, (5182), 3 states have internal predecessors, (5182), 0 states have call successors, (0), 0 states 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 03:45:18,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:45:18,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1726 of 1795 [2023-11-29 03:45:18,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:45:22,362 INFO L124 PetriNetUnfolderBase]: 793/11309 cut-off events. [2023-11-29 03:45:22,362 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-29 03:45:22,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11812 conditions, 11309 events. 793/11309 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 120854 event pairs, 180 based on Foata normal form. 0/9056 useless extension candidates. Maximal degree in co-relation 11507. Up to 403 conditions per place. [2023-11-29 03:45:22,640 INFO L140 encePairwiseOnDemand]: 1783/1795 looper letters, 25 selfloop transitions, 4 changer transitions 0/1695 dead transitions. [2023-11-29 03:45:22,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1625 places, 1695 transitions, 3460 flow [2023-11-29 03:45:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:45:22,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:45:22,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5215 transitions. [2023-11-29 03:45:22,644 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.968430826369545 [2023-11-29 03:45:22,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5215 transitions. [2023-11-29 03:45:22,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5215 transitions. [2023-11-29 03:45:22,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:45:22,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5215 transitions. [2023-11-29 03:45:22,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1738.3333333333333) internal successors, (5215), 3 states have internal predecessors, (5215), 0 states have call successors, (0), 0 states 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 03:45:22,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:22,652 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:22,652 INFO L175 Difference]: Start difference. First operand has 1631 places, 1697 transitions, 3404 flow. Second operand 3 states and 5215 transitions. [2023-11-29 03:45:22,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1625 places, 1695 transitions, 3460 flow [2023-11-29 03:45:22,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1623 places, 1695 transitions, 3456 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:45:22,676 INFO L231 Difference]: Finished difference. Result has 1624 places, 1693 transitions, 3412 flow [2023-11-29 03:45:22,678 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3384, PETRI_DIFFERENCE_MINUEND_PLACES=1621, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1685, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3412, PETRI_PLACES=1624, PETRI_TRANSITIONS=1693} [2023-11-29 03:45:22,678 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -41 predicate places. [2023-11-29 03:45:22,679 INFO L495 AbstractCegarLoop]: Abstraction has has 1624 places, 1693 transitions, 3412 flow [2023-11-29 03:45:22,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1727.3333333333333) internal successors, (5182), 3 states have internal predecessors, (5182), 0 states have call successors, (0), 0 states 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 03:45:22,679 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:45:22,680 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] [2023-11-29 03:45:22,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 03:45:22,680 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err58ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:45:22,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:45:22,680 INFO L85 PathProgramCache]: Analyzing trace with hash 891278925, now seen corresponding path program 1 times [2023-11-29 03:45:22,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:45:22,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522890242] [2023-11-29 03:45:22,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:45:22,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:45:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:45:22,751 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 03:45:22,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:45:22,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522890242] [2023-11-29 03:45:22,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522890242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:45:22,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:45:22,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:45:22,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903905674] [2023-11-29 03:45:22,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:45:22,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:45:22,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:45:22,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:45:22,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:45:22,785 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1726 out of 1795 [2023-11-29 03:45:22,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1624 places, 1693 transitions, 3412 flow. Second operand has 3 states, 3 states have (on average 1727.3333333333333) internal successors, (5182), 3 states have internal predecessors, (5182), 0 states have call successors, (0), 0 states 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 03:45:22,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:45:22,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1726 of 1795 [2023-11-29 03:45:22,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:45:28,482 INFO L124 PetriNetUnfolderBase]: 566/8624 cut-off events. [2023-11-29 03:45:28,483 INFO L125 PetriNetUnfolderBase]: For 35/37 co-relation queries the response was YES. [2023-11-29 03:45:28,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8925 conditions, 8624 events. 566/8624 cut-off events. For 35/37 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 83296 event pairs, 52 based on Foata normal form. 0/6894 useless extension candidates. Maximal degree in co-relation 6630. Up to 257 conditions per place. [2023-11-29 03:45:28,932 INFO L140 encePairwiseOnDemand]: 1781/1795 looper letters, 27 selfloop transitions, 6 changer transitions 0/1695 dead transitions. [2023-11-29 03:45:28,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1618 places, 1695 transitions, 3486 flow [2023-11-29 03:45:28,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:45:28,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:45:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5219 transitions. [2023-11-29 03:45:28,936 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9691736304549675 [2023-11-29 03:45:28,936 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5219 transitions. [2023-11-29 03:45:28,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5219 transitions. [2023-11-29 03:45:28,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:45:28,937 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5219 transitions. [2023-11-29 03:45:28,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1739.6666666666667) internal successors, (5219), 3 states have internal predecessors, (5219), 0 states have call successors, (0), 0 states 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 03:45:28,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:28,943 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:28,944 INFO L175 Difference]: Start difference. First operand has 1624 places, 1693 transitions, 3412 flow. Second operand 3 states and 5219 transitions. [2023-11-29 03:45:28,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1618 places, 1695 transitions, 3486 flow [2023-11-29 03:45:28,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1618 places, 1695 transitions, 3486 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:45:28,961 INFO L231 Difference]: Finished difference. Result has 1619 places, 1691 transitions, 3438 flow [2023-11-29 03:45:28,963 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3396, PETRI_DIFFERENCE_MINUEND_PLACES=1616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1679, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3438, PETRI_PLACES=1619, PETRI_TRANSITIONS=1691} [2023-11-29 03:45:28,963 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -46 predicate places. [2023-11-29 03:45:28,963 INFO L495 AbstractCegarLoop]: Abstraction has has 1619 places, 1691 transitions, 3438 flow [2023-11-29 03:45:28,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1727.3333333333333) internal successors, (5182), 3 states have internal predecessors, (5182), 0 states have call successors, (0), 0 states 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 03:45:28,964 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:45:28,964 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] [2023-11-29 03:45:28,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 03:45:28,964 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:45:28,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:45:28,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1753947559, now seen corresponding path program 1 times [2023-11-29 03:45:28,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:45:28,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444863181] [2023-11-29 03:45:28,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:45:28,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:45:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:45:29,022 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 03:45:29,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:45:29,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444863181] [2023-11-29 03:45:29,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444863181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:45:29,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:45:29,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:45:29,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193662465] [2023-11-29 03:45:29,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:45:29,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:45:29,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:45:29,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:45:29,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:45:29,054 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1726 out of 1795 [2023-11-29 03:45:29,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1619 places, 1691 transitions, 3438 flow. Second operand has 3 states, 3 states have (on average 1727.6666666666667) internal successors, (5183), 3 states have internal predecessors, (5183), 0 states have call successors, (0), 0 states 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 03:45:29,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:45:29,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1726 of 1795 [2023-11-29 03:45:29,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:45:37,993 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5034] L123-15-->L123-16: Formula: (= |v_#race~is_null_9~0_22| 0) InVars {} OutVars{#race~is_null_9~0=|v_#race~is_null_9~0_22|} AuxVars[] AssignedVars[#race~is_null_9~0][650], [1792#(= |#race~is_null_5~0| 0), Black: 1790#true, 1787#(= |#race~is_null_1~0| 0), 1320#L123-16true, 1116#L159-7true, 1797#(= |#race~is_null_9~0| 0), 1181#L96-5true, Black: 1785#true]) [2023-11-29 03:45:37,993 INFO L294 olderBase$Statistics]: this new event has 372 ancestors and is cut-off event [2023-11-29 03:45:37,993 INFO L297 olderBase$Statistics]: existing Event has 372 ancestors and is cut-off event [2023-11-29 03:45:37,993 INFO L297 olderBase$Statistics]: existing Event has 369 ancestors and is cut-off event [2023-11-29 03:45:37,993 INFO L297 olderBase$Statistics]: existing Event has 372 ancestors and is cut-off event [2023-11-29 03:45:38,172 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5034] L123-15-->L123-16: Formula: (= |v_#race~is_null_9~0_22| 0) InVars {} OutVars{#race~is_null_9~0=|v_#race~is_null_9~0_22|} AuxVars[] AssignedVars[#race~is_null_9~0][650], [1792#(= |#race~is_null_5~0| 0), Black: 1790#true, 1787#(= |#race~is_null_1~0| 0), 1320#L123-16true, 1116#L159-7true, 1797#(= |#race~is_null_9~0| 0), 747#L96-6true, Black: 1785#true]) [2023-11-29 03:45:38,172 INFO L294 olderBase$Statistics]: this new event has 373 ancestors and is cut-off event [2023-11-29 03:45:38,172 INFO L297 olderBase$Statistics]: existing Event has 373 ancestors and is cut-off event [2023-11-29 03:45:38,172 INFO L297 olderBase$Statistics]: existing Event has 370 ancestors and is cut-off event [2023-11-29 03:45:38,172 INFO L297 olderBase$Statistics]: existing Event has 373 ancestors and is cut-off event [2023-11-29 03:45:38,874 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5034] L123-15-->L123-16: Formula: (= |v_#race~is_null_9~0_22| 0) InVars {} OutVars{#race~is_null_9~0=|v_#race~is_null_9~0_22|} AuxVars[] AssignedVars[#race~is_null_9~0][650], [1792#(= |#race~is_null_5~0| 0), Black: 1790#true, 1787#(= |#race~is_null_1~0| 0), 1320#L123-16true, 1403#L96-16true, 1116#L159-7true, 1797#(= |#race~is_null_9~0| 0), Black: 1785#true]) [2023-11-29 03:45:38,874 INFO L294 olderBase$Statistics]: this new event has 377 ancestors and is cut-off event [2023-11-29 03:45:38,874 INFO L297 olderBase$Statistics]: existing Event has 377 ancestors and is cut-off event [2023-11-29 03:45:38,874 INFO L297 olderBase$Statistics]: existing Event has 374 ancestors and is cut-off event [2023-11-29 03:45:38,874 INFO L297 olderBase$Statistics]: existing Event has 377 ancestors and is cut-off event [2023-11-29 03:45:39,038 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5034] L123-15-->L123-16: Formula: (= |v_#race~is_null_9~0_22| 0) InVars {} OutVars{#race~is_null_9~0=|v_#race~is_null_9~0_22|} AuxVars[] AssignedVars[#race~is_null_9~0][650], [1792#(= |#race~is_null_5~0| 0), Black: 1790#true, 1787#(= |#race~is_null_1~0| 0), 1320#L123-16true, 1116#L159-7true, 1797#(= |#race~is_null_9~0| 0), Black: 1785#true, 665#L96-17true]) [2023-11-29 03:45:39,038 INFO L294 olderBase$Statistics]: this new event has 378 ancestors and is cut-off event [2023-11-29 03:45:39,039 INFO L297 olderBase$Statistics]: existing Event has 378 ancestors and is cut-off event [2023-11-29 03:45:39,039 INFO L297 olderBase$Statistics]: existing Event has 378 ancestors and is cut-off event [2023-11-29 03:45:39,039 INFO L297 olderBase$Statistics]: existing Event has 375 ancestors and is cut-off event [2023-11-29 03:45:49,662 INFO L124 PetriNetUnfolderBase]: 2985/39683 cut-off events. [2023-11-29 03:45:49,662 INFO L125 PetriNetUnfolderBase]: For 218/235 co-relation queries the response was YES. [2023-11-29 03:45:51,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41455 conditions, 39683 events. 2985/39683 cut-off events. For 218/235 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 559530 event pairs, 240 based on Foata normal form. 0/31730 useless extension candidates. Maximal degree in co-relation 34014. Up to 1678 conditions per place. [2023-11-29 03:45:51,952 INFO L140 encePairwiseOnDemand]: 1779/1795 looper letters, 27 selfloop transitions, 8 changer transitions 0/1695 dead transitions. [2023-11-29 03:45:51,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1613 places, 1695 transitions, 3520 flow [2023-11-29 03:45:51,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:45:51,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:45:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5221 transitions. [2023-11-29 03:45:51,958 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9695450324976788 [2023-11-29 03:45:51,958 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5221 transitions. [2023-11-29 03:45:51,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5221 transitions. [2023-11-29 03:45:51,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:45:51,960 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5221 transitions. [2023-11-29 03:45:51,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1740.3333333333333) internal successors, (5221), 3 states have internal predecessors, (5221), 0 states have call successors, (0), 0 states 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 03:45:51,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:51,972 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:45:51,972 INFO L175 Difference]: Start difference. First operand has 1619 places, 1691 transitions, 3438 flow. Second operand 3 states and 5221 transitions. [2023-11-29 03:45:51,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1613 places, 1695 transitions, 3520 flow [2023-11-29 03:45:51,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1613 places, 1695 transitions, 3520 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:45:51,998 INFO L231 Difference]: Finished difference. Result has 1614 places, 1691 transitions, 3478 flow [2023-11-29 03:45:51,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3422, PETRI_DIFFERENCE_MINUEND_PLACES=1611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1675, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3478, PETRI_PLACES=1614, PETRI_TRANSITIONS=1691} [2023-11-29 03:45:52,000 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -51 predicate places. [2023-11-29 03:45:52,000 INFO L495 AbstractCegarLoop]: Abstraction has has 1614 places, 1691 transitions, 3478 flow [2023-11-29 03:45:52,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1727.6666666666667) internal successors, (5183), 3 states have internal predecessors, (5183), 0 states have call successors, (0), 0 states 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 03:45:52,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:45:52,001 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] [2023-11-29 03:45:52,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 03:45:52,001 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:45:52,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:45:52,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1348756329, now seen corresponding path program 1 times [2023-11-29 03:45:52,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:45:52,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916595816] [2023-11-29 03:45:52,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:45:52,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:45:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:45:52,076 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 03:45:52,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:45:52,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916595816] [2023-11-29 03:45:52,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916595816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:45:52,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:45:52,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:45:52,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725590911] [2023-11-29 03:45:52,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:45:52,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:45:52,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:45:52,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:45:52,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:45:52,148 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1731 out of 1795 [2023-11-29 03:45:52,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1614 places, 1691 transitions, 3478 flow. Second operand has 3 states, 3 states have (on average 1732.6666666666667) internal successors, (5198), 3 states have internal predecessors, (5198), 0 states have call successors, (0), 0 states 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 03:45:52,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:45:52,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1731 of 1795 [2023-11-29 03:45:52,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:45:58,596 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1344], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 1800#true, Black: 1785#true]) [2023-11-29 03:45:58,596 INFO L294 olderBase$Statistics]: this new event has 412 ancestors and is cut-off event [2023-11-29 03:45:58,596 INFO L297 olderBase$Statistics]: existing Event has 409 ancestors and is cut-off event [2023-11-29 03:45:58,596 INFO L297 olderBase$Statistics]: existing Event has 433 ancestors and is cut-off event [2023-11-29 03:45:58,596 INFO L297 olderBase$Statistics]: existing Event has 412 ancestors and is cut-off event [2023-11-29 03:45:58,597 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1344], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 1800#true, Black: 1785#true]) [2023-11-29 03:45:58,597 INFO L294 olderBase$Statistics]: this new event has 436 ancestors and is cut-off event [2023-11-29 03:45:58,597 INFO L297 olderBase$Statistics]: existing Event has 409 ancestors and is cut-off event [2023-11-29 03:45:58,597 INFO L297 olderBase$Statistics]: existing Event has 433 ancestors and is cut-off event [2023-11-29 03:45:58,597 INFO L297 olderBase$Statistics]: existing Event has 412 ancestors and is cut-off event [2023-11-29 03:45:58,597 INFO L297 olderBase$Statistics]: existing Event has 412 ancestors and is cut-off event [2023-11-29 03:45:59,163 INFO L292 olderBase$Statistics]: inserting event number 6 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1344], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 1800#true, Black: 1785#true]) [2023-11-29 03:45:59,163 INFO L294 olderBase$Statistics]: this new event has 436 ancestors and is cut-off event [2023-11-29 03:45:59,163 INFO L297 olderBase$Statistics]: existing Event has 409 ancestors and is cut-off event [2023-11-29 03:45:59,163 INFO L297 olderBase$Statistics]: existing Event has 433 ancestors and is cut-off event [2023-11-29 03:45:59,163 INFO L297 olderBase$Statistics]: existing Event has 412 ancestors and is cut-off event [2023-11-29 03:45:59,163 INFO L297 olderBase$Statistics]: existing Event has 412 ancestors and is cut-off event [2023-11-29 03:45:59,164 INFO L297 olderBase$Statistics]: existing Event has 436 ancestors and is cut-off event [2023-11-29 03:45:59,253 INFO L292 olderBase$Statistics]: inserting event number 7 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1344], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), Black: 1785#true, 1800#true]) [2023-11-29 03:45:59,253 INFO L294 olderBase$Statistics]: this new event has 412 ancestors and is cut-off event [2023-11-29 03:45:59,253 INFO L297 olderBase$Statistics]: existing Event has 409 ancestors and is cut-off event [2023-11-29 03:45:59,253 INFO L297 olderBase$Statistics]: existing Event has 433 ancestors and is cut-off event [2023-11-29 03:45:59,253 INFO L297 olderBase$Statistics]: existing Event has 412 ancestors and is cut-off event [2023-11-29 03:45:59,253 INFO L297 olderBase$Statistics]: existing Event has 436 ancestors and is cut-off event [2023-11-29 03:45:59,254 INFO L297 olderBase$Statistics]: existing Event has 412 ancestors and is cut-off event [2023-11-29 03:45:59,254 INFO L297 olderBase$Statistics]: existing Event has 436 ancestors and is cut-off event [2023-11-29 03:46:01,546 INFO L292 olderBase$Statistics]: inserting event number 8 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1344], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 1800#true, Black: 1785#true]) [2023-11-29 03:46:01,546 INFO L294 olderBase$Statistics]: this new event has 409 ancestors and is not cut-off event [2023-11-29 03:46:01,547 INFO L297 olderBase$Statistics]: existing Event has 409 ancestors and is not cut-off event [2023-11-29 03:46:01,547 INFO L297 olderBase$Statistics]: existing Event has 433 ancestors and is not cut-off event [2023-11-29 03:46:01,547 INFO L297 olderBase$Statistics]: existing Event has 412 ancestors and is not cut-off event [2023-11-29 03:46:01,547 INFO L297 olderBase$Statistics]: existing Event has 436 ancestors and is not cut-off event [2023-11-29 03:46:01,547 INFO L297 olderBase$Statistics]: existing Event has 412 ancestors and is not cut-off event [2023-11-29 03:46:01,547 INFO L297 olderBase$Statistics]: existing Event has 436 ancestors and is not cut-off event [2023-11-29 03:46:01,547 INFO L297 olderBase$Statistics]: existing Event has 412 ancestors and is not cut-off event [2023-11-29 03:46:04,579 INFO L124 PetriNetUnfolderBase]: 1386/21998 cut-off events. [2023-11-29 03:46:04,579 INFO L125 PetriNetUnfolderBase]: For 27/37 co-relation queries the response was YES. [2023-11-29 03:46:05,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22820 conditions, 21998 events. 1386/21998 cut-off events. For 27/37 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 276451 event pairs, 64 based on Foata normal form. 0/17564 useless extension candidates. Maximal degree in co-relation 15575. Up to 428 conditions per place. [2023-11-29 03:46:06,074 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 25 selfloop transitions, 2 changer transitions 0/1692 dead transitions. [2023-11-29 03:46:06,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1615 places, 1692 transitions, 3536 flow [2023-11-29 03:46:06,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:46:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:46:06,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5221 transitions. [2023-11-29 03:46:06,078 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9695450324976788 [2023-11-29 03:46:06,078 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5221 transitions. [2023-11-29 03:46:06,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5221 transitions. [2023-11-29 03:46:06,079 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:46:06,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5221 transitions. [2023-11-29 03:46:06,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1740.3333333333333) internal successors, (5221), 3 states have internal predecessors, (5221), 0 states have call successors, (0), 0 states 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 03:46:06,089 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:46:06,090 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:46:06,090 INFO L175 Difference]: Start difference. First operand has 1614 places, 1691 transitions, 3478 flow. Second operand 3 states and 5221 transitions. [2023-11-29 03:46:06,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1615 places, 1692 transitions, 3536 flow [2023-11-29 03:46:06,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1615 places, 1692 transitions, 3536 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 03:46:06,117 INFO L231 Difference]: Finished difference. Result has 1615 places, 1690 transitions, 3480 flow [2023-11-29 03:46:06,118 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3476, PETRI_DIFFERENCE_MINUEND_PLACES=1613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1690, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1688, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3480, PETRI_PLACES=1615, PETRI_TRANSITIONS=1690} [2023-11-29 03:46:06,119 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -50 predicate places. [2023-11-29 03:46:06,119 INFO L495 AbstractCegarLoop]: Abstraction has has 1615 places, 1690 transitions, 3480 flow [2023-11-29 03:46:06,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1732.6666666666667) internal successors, (5198), 3 states have internal predecessors, (5198), 0 states have call successors, (0), 0 states 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 03:46:06,120 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:46:06,120 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] [2023-11-29 03:46:06,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 03:46:06,120 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:46:06,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:46:06,121 INFO L85 PathProgramCache]: Analyzing trace with hash 722999115, now seen corresponding path program 1 times [2023-11-29 03:46:06,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:46:06,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655795935] [2023-11-29 03:46:06,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:46:06,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:46:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:46:06,286 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 03:46:06,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:46:06,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655795935] [2023-11-29 03:46:06,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655795935] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:46:06,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:46:06,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:46:06,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468658084] [2023-11-29 03:46:06,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:46:06,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:46:06,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:46:06,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:46:06,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:46:06,417 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1724 out of 1795 [2023-11-29 03:46:06,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1615 places, 1690 transitions, 3480 flow. Second operand has 5 states, 5 states have (on average 1729.4) internal successors, (8647), 5 states have internal predecessors, (8647), 0 states have call successors, (0), 0 states 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 03:46:06,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:46:06,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1724 of 1795 [2023-11-29 03:46:06,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:46:12,407 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1345], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), Black: 1790#true, 1787#(= |#race~is_null_1~0| 0), 1804#true, Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 1800#true, Black: 1785#true]) [2023-11-29 03:46:12,407 INFO L294 olderBase$Statistics]: this new event has 469 ancestors and is cut-off event [2023-11-29 03:46:12,407 INFO L297 olderBase$Statistics]: existing Event has 442 ancestors and is cut-off event [2023-11-29 03:46:12,407 INFO L297 olderBase$Statistics]: existing Event has 466 ancestors and is cut-off event [2023-11-29 03:46:12,407 INFO L297 olderBase$Statistics]: existing Event has 445 ancestors and is cut-off event [2023-11-29 03:46:12,407 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1345], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), Black: 1790#true, 1804#true, Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 1800#true, Black: 1785#true]) [2023-11-29 03:46:12,407 INFO L294 olderBase$Statistics]: this new event has 445 ancestors and is cut-off event [2023-11-29 03:46:12,407 INFO L297 olderBase$Statistics]: existing Event has 442 ancestors and is cut-off event [2023-11-29 03:46:12,407 INFO L297 olderBase$Statistics]: existing Event has 469 ancestors and is cut-off event [2023-11-29 03:46:12,407 INFO L297 olderBase$Statistics]: existing Event has 466 ancestors and is cut-off event [2023-11-29 03:46:12,407 INFO L297 olderBase$Statistics]: existing Event has 445 ancestors and is cut-off event [2023-11-29 03:46:12,706 INFO L292 olderBase$Statistics]: inserting event number 6 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1345], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), Black: 1790#true, 1804#true, Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 1800#true, Black: 1785#true]) [2023-11-29 03:46:12,706 INFO L294 olderBase$Statistics]: this new event has 469 ancestors and is cut-off event [2023-11-29 03:46:12,706 INFO L297 olderBase$Statistics]: existing Event has 442 ancestors and is cut-off event [2023-11-29 03:46:12,706 INFO L297 olderBase$Statistics]: existing Event has 469 ancestors and is cut-off event [2023-11-29 03:46:12,707 INFO L297 olderBase$Statistics]: existing Event has 466 ancestors and is cut-off event [2023-11-29 03:46:12,707 INFO L297 olderBase$Statistics]: existing Event has 445 ancestors and is cut-off event [2023-11-29 03:46:12,707 INFO L297 olderBase$Statistics]: existing Event has 445 ancestors and is cut-off event [2023-11-29 03:46:12,779 INFO L292 olderBase$Statistics]: inserting event number 7 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1345], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), Black: 1790#true, 1787#(= |#race~is_null_1~0| 0), 1804#true, Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 1800#true, Black: 1785#true]) [2023-11-29 03:46:12,779 INFO L294 olderBase$Statistics]: this new event has 445 ancestors and is cut-off event [2023-11-29 03:46:12,779 INFO L297 olderBase$Statistics]: existing Event has 442 ancestors and is cut-off event [2023-11-29 03:46:12,779 INFO L297 olderBase$Statistics]: existing Event has 469 ancestors and is cut-off event [2023-11-29 03:46:12,779 INFO L297 olderBase$Statistics]: existing Event has 466 ancestors and is cut-off event [2023-11-29 03:46:12,779 INFO L297 olderBase$Statistics]: existing Event has 445 ancestors and is cut-off event [2023-11-29 03:46:12,779 INFO L297 olderBase$Statistics]: existing Event has 469 ancestors and is cut-off event [2023-11-29 03:46:12,779 INFO L297 olderBase$Statistics]: existing Event has 445 ancestors and is cut-off event [2023-11-29 03:46:15,205 INFO L292 olderBase$Statistics]: inserting event number 8 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1345], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), Black: 1790#true, 1787#(= |#race~is_null_1~0| 0), 1804#true, Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 1800#true, Black: 1785#true]) [2023-11-29 03:46:15,205 INFO L294 olderBase$Statistics]: this new event has 442 ancestors and is not cut-off event [2023-11-29 03:46:15,205 INFO L297 olderBase$Statistics]: existing Event has 442 ancestors and is not cut-off event [2023-11-29 03:46:15,205 INFO L297 olderBase$Statistics]: existing Event has 469 ancestors and is not cut-off event [2023-11-29 03:46:15,205 INFO L297 olderBase$Statistics]: existing Event has 466 ancestors and is not cut-off event [2023-11-29 03:46:15,205 INFO L297 olderBase$Statistics]: existing Event has 445 ancestors and is not cut-off event [2023-11-29 03:46:15,205 INFO L297 olderBase$Statistics]: existing Event has 469 ancestors and is not cut-off event [2023-11-29 03:46:15,205 INFO L297 olderBase$Statistics]: existing Event has 445 ancestors and is not cut-off event [2023-11-29 03:46:15,205 INFO L297 olderBase$Statistics]: existing Event has 445 ancestors and is not cut-off event [2023-11-29 03:46:17,587 INFO L124 PetriNetUnfolderBase]: 1005/16296 cut-off events. [2023-11-29 03:46:17,587 INFO L125 PetriNetUnfolderBase]: For 25/35 co-relation queries the response was YES. [2023-11-29 03:46:18,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16810 conditions, 16296 events. 1005/16296 cut-off events. For 25/35 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 191173 event pairs, 0 based on Foata normal form. 3/13057 useless extension candidates. Maximal degree in co-relation 16239. Up to 362 conditions per place. [2023-11-29 03:46:18,613 INFO L140 encePairwiseOnDemand]: 1774/1795 looper letters, 18 selfloop transitions, 18 changer transitions 0/1693 dead transitions. [2023-11-29 03:46:18,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1619 places, 1693 transitions, 3558 flow [2023-11-29 03:46:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:46:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 03:46:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8659 transitions. [2023-11-29 03:46:18,619 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9647910863509749 [2023-11-29 03:46:18,619 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 8659 transitions. [2023-11-29 03:46:18,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 8659 transitions. [2023-11-29 03:46:18,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:46:18,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 8659 transitions. [2023-11-29 03:46:18,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1731.8) internal successors, (8659), 5 states have internal predecessors, (8659), 0 states have call successors, (0), 0 states 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 03:46:18,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 1795.0) internal successors, (10770), 6 states have internal predecessors, (10770), 0 states have call successors, (0), 0 states 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 03:46:18,630 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 1795.0) internal successors, (10770), 6 states have internal predecessors, (10770), 0 states have call successors, (0), 0 states 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 03:46:18,631 INFO L175 Difference]: Start difference. First operand has 1615 places, 1690 transitions, 3480 flow. Second operand 5 states and 8659 transitions. [2023-11-29 03:46:18,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1619 places, 1693 transitions, 3558 flow [2023-11-29 03:46:18,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1617 places, 1693 transitions, 3554 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 03:46:18,654 INFO L231 Difference]: Finished difference. Result has 1618 places, 1693 transitions, 3536 flow [2023-11-29 03:46:18,656 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3476, PETRI_DIFFERENCE_MINUEND_PLACES=1613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1690, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1672, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3536, PETRI_PLACES=1618, PETRI_TRANSITIONS=1693} [2023-11-29 03:46:18,656 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -47 predicate places. [2023-11-29 03:46:18,656 INFO L495 AbstractCegarLoop]: Abstraction has has 1618 places, 1693 transitions, 3536 flow [2023-11-29 03:46:18,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1729.4) internal successors, (8647), 5 states have internal predecessors, (8647), 0 states have call successors, (0), 0 states 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 03:46:18,658 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:46:18,658 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] [2023-11-29 03:46:18,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-29 03:46:18,658 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:46:18,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:46:18,659 INFO L85 PathProgramCache]: Analyzing trace with hash 59232455, now seen corresponding path program 1 times [2023-11-29 03:46:18,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:46:18,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941032236] [2023-11-29 03:46:18,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:46:18,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:46:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:46:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:46:19,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:46:19,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941032236] [2023-11-29 03:46:19,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941032236] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:46:19,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173731089] [2023-11-29 03:46:19,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:46:19,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:46:19,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:46:19,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:46:19,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:46:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:46:19,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:46:19,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:46:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:46:19,557 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:46:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:46:19,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173731089] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:46:19,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:46:19,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-11-29 03:46:19,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599233718] [2023-11-29 03:46:19,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:46:19,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 03:46:19,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:46:19,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 03:46:19,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-29 03:46:20,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1795 [2023-11-29 03:46:20,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1618 places, 1693 transitions, 3536 flow. Second operand has 15 states, 15 states have (on average 1718.6) internal successors, (25779), 15 states have internal predecessors, (25779), 0 states have call successors, (0), 0 states 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 03:46:20,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:46:20,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1795 [2023-11-29 03:46:20,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:46:26,329 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1369], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), Black: 1790#true, 1815#true, 1804#true, Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), Black: 1785#true]) [2023-11-29 03:46:26,329 INFO L294 olderBase$Statistics]: this new event has 535 ancestors and is cut-off event [2023-11-29 03:46:26,329 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:26,329 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:26,329 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:26,329 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1369], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), Black: 1790#true, 1815#true, 1804#true, Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), Black: 1785#true]) [2023-11-29 03:46:26,330 INFO L294 olderBase$Statistics]: this new event has 511 ancestors and is cut-off event [2023-11-29 03:46:26,330 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:26,330 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:26,330 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:26,330 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:26,665 INFO L292 olderBase$Statistics]: inserting event number 6 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1369], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), Black: 1790#true, 1815#true, 1804#true, Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), Black: 1785#true]) [2023-11-29 03:46:26,665 INFO L294 olderBase$Statistics]: this new event has 535 ancestors and is cut-off event [2023-11-29 03:46:26,665 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:26,665 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:26,665 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:26,665 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:26,665 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:26,748 INFO L292 olderBase$Statistics]: inserting event number 7 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1369], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), Black: 1790#true, 1815#true, 1804#true, Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), Black: 1785#true]) [2023-11-29 03:46:26,748 INFO L294 olderBase$Statistics]: this new event has 511 ancestors and is cut-off event [2023-11-29 03:46:26,748 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:26,748 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:26,748 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:26,748 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:26,748 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:26,748 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:29,167 INFO L292 olderBase$Statistics]: inserting event number 8 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1369], [982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1787#(= |#race~is_null_1~0| 0), 1815#true, Black: 1790#true, 1804#true, Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), Black: 1785#true]) [2023-11-29 03:46:29,167 INFO L294 olderBase$Statistics]: this new event has 508 ancestors and is not cut-off event [2023-11-29 03:46:29,167 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is not cut-off event [2023-11-29 03:46:29,167 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is not cut-off event [2023-11-29 03:46:29,167 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is not cut-off event [2023-11-29 03:46:29,168 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is not cut-off event [2023-11-29 03:46:29,168 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is not cut-off event [2023-11-29 03:46:29,168 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is not cut-off event [2023-11-29 03:46:29,168 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is not cut-off event [2023-11-29 03:46:31,550 INFO L124 PetriNetUnfolderBase]: 1005/16335 cut-off events. [2023-11-29 03:46:31,550 INFO L125 PetriNetUnfolderBase]: For 40/50 co-relation queries the response was YES. [2023-11-29 03:46:32,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16909 conditions, 16335 events. 1005/16335 cut-off events. For 40/50 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 191245 event pairs, 0 based on Foata normal form. 6/13099 useless extension candidates. Maximal degree in co-relation 16457. Up to 362 conditions per place. [2023-11-29 03:46:32,596 INFO L140 encePairwiseOnDemand]: 1765/1795 looper letters, 30 selfloop transitions, 39 changer transitions 0/1717 dead transitions. [2023-11-29 03:46:32,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1628 places, 1717 transitions, 3728 flow [2023-11-29 03:46:32,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:46:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 03:46:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 18940 transitions. [2023-11-29 03:46:32,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9592301848569258 [2023-11-29 03:46:32,813 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 18940 transitions. [2023-11-29 03:46:32,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 18940 transitions. [2023-11-29 03:46:32,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:46:32,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 18940 transitions. [2023-11-29 03:46:32,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 1721.8181818181818) internal successors, (18940), 11 states have internal predecessors, (18940), 0 states have call successors, (0), 0 states 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 03:46:32,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 1795.0) internal successors, (21540), 12 states have internal predecessors, (21540), 0 states have call successors, (0), 0 states 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 03:46:32,838 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 1795.0) internal successors, (21540), 12 states have internal predecessors, (21540), 0 states have call successors, (0), 0 states 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 03:46:32,838 INFO L175 Difference]: Start difference. First operand has 1618 places, 1693 transitions, 3536 flow. Second operand 11 states and 18940 transitions. [2023-11-29 03:46:32,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1628 places, 1717 transitions, 3728 flow [2023-11-29 03:46:32,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1625 places, 1717 transitions, 3698 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-29 03:46:32,857 INFO L231 Difference]: Finished difference. Result has 1628 places, 1711 transitions, 3686 flow [2023-11-29 03:46:32,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3506, PETRI_DIFFERENCE_MINUEND_PLACES=1615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1663, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=3686, PETRI_PLACES=1628, PETRI_TRANSITIONS=1711} [2023-11-29 03:46:32,859 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -37 predicate places. [2023-11-29 03:46:32,859 INFO L495 AbstractCegarLoop]: Abstraction has has 1628 places, 1711 transitions, 3686 flow [2023-11-29 03:46:32,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1718.6) internal successors, (25779), 15 states have internal predecessors, (25779), 0 states have call successors, (0), 0 states 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 03:46:32,862 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:46:32,862 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:32,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:46:33,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-29 03:46:33,063 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:46:33,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:46:33,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1010307193, now seen corresponding path program 2 times [2023-11-29 03:46:33,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:46:33,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001326405] [2023-11-29 03:46:33,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:46:33,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:46:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:46:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-29 03:46:33,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:46:33,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001326405] [2023-11-29 03:46:33,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001326405] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:46:33,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914356373] [2023-11-29 03:46:33,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:46:33,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:46:33,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:46:33,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:46:33,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:46:33,723 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 03:46:33,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:46:33,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 03:46:33,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:46:34,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 03:46:34,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-29 03:46:34,165 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:46:34,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-29 03:46:34,202 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:46:34,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-29 03:46:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-29 03:46:34,233 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:46:34,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914356373] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:46:34,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:46:34,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2023-11-29 03:46:34,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37075476] [2023-11-29 03:46:34,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:46:34,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:46:34,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:46:34,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:46:34,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:46:34,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1738 out of 1795 [2023-11-29 03:46:34,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1628 places, 1711 transitions, 3686 flow. Second operand has 7 states, 7 states have (on average 1739.857142857143) internal successors, (12179), 7 states have internal predecessors, (12179), 0 states have call successors, (0), 0 states 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 03:46:34,878 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:46:34,878 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1738 of 1795 [2023-11-29 03:46:34,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:46:40,820 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1362], [1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 3777#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= (+ |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3763#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3771#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1815#true, 4961#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1785#true]) [2023-11-29 03:46:40,820 INFO L294 olderBase$Statistics]: this new event has 535 ancestors and is cut-off event [2023-11-29 03:46:40,820 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:40,820 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:40,820 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:40,821 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1362], [1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 3777#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= (+ |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3763#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3771#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1815#true, 4961#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1785#true]) [2023-11-29 03:46:40,821 INFO L294 olderBase$Statistics]: this new event has 511 ancestors and is cut-off event [2023-11-29 03:46:40,821 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:40,821 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:40,821 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:40,821 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:41,362 INFO L292 olderBase$Statistics]: inserting event number 6 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1362], [1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 3777#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= (+ |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3763#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3771#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1815#true, Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), 4961#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 1785#true]) [2023-11-29 03:46:41,362 INFO L294 olderBase$Statistics]: this new event has 535 ancestors and is cut-off event [2023-11-29 03:46:41,362 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:41,362 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:41,363 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:41,363 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:41,363 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:41,466 INFO L292 olderBase$Statistics]: inserting event number 7 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1362], [1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 3777#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= (+ |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3763#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3771#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1815#true, Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), 4961#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 1785#true]) [2023-11-29 03:46:41,466 INFO L294 olderBase$Statistics]: this new event has 511 ancestors and is cut-off event [2023-11-29 03:46:41,466 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:41,466 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:41,466 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:41,466 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:41,466 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:41,467 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:43,661 INFO L292 olderBase$Statistics]: inserting event number 8 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1362], [1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 3777#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= (+ |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3763#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3771#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 1815#true, Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), 4961#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 1785#true]) [2023-11-29 03:46:43,661 INFO L294 olderBase$Statistics]: this new event has 508 ancestors and is not cut-off event [2023-11-29 03:46:43,661 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is not cut-off event [2023-11-29 03:46:43,662 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is not cut-off event [2023-11-29 03:46:43,662 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is not cut-off event [2023-11-29 03:46:43,662 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is not cut-off event [2023-11-29 03:46:43,662 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is not cut-off event [2023-11-29 03:46:43,662 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is not cut-off event [2023-11-29 03:46:43,662 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is not cut-off event [2023-11-29 03:46:45,976 INFO L124 PetriNetUnfolderBase]: 1005/16334 cut-off events. [2023-11-29 03:46:45,977 INFO L125 PetriNetUnfolderBase]: For 43/98 co-relation queries the response was YES. [2023-11-29 03:46:46,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16924 conditions, 16334 events. 1005/16334 cut-off events. For 43/98 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 191482 event pairs, 0 based on Foata normal form. 36/13129 useless extension candidates. Maximal degree in co-relation 16459. Up to 362 conditions per place. [2023-11-29 03:46:47,347 INFO L140 encePairwiseOnDemand]: 1789/1795 looper letters, 11 selfloop transitions, 5 changer transitions 0/1710 dead transitions. [2023-11-29 03:46:47,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1633 places, 1710 transitions, 3716 flow [2023-11-29 03:46:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:46:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-29 03:46:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12183 transitions. [2023-11-29 03:46:47,355 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9695980899323517 [2023-11-29 03:46:47,355 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 12183 transitions. [2023-11-29 03:46:47,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 12183 transitions. [2023-11-29 03:46:47,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:46:47,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 12183 transitions. [2023-11-29 03:46:47,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 1740.4285714285713) internal successors, (12183), 7 states have internal predecessors, (12183), 0 states have call successors, (0), 0 states 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 03:46:47,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1795.0) internal successors, (14360), 8 states have internal predecessors, (14360), 0 states have call successors, (0), 0 states 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 03:46:47,375 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1795.0) internal successors, (14360), 8 states have internal predecessors, (14360), 0 states have call successors, (0), 0 states 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 03:46:47,375 INFO L175 Difference]: Start difference. First operand has 1628 places, 1711 transitions, 3686 flow. Second operand 7 states and 12183 transitions. [2023-11-29 03:46:47,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1633 places, 1710 transitions, 3716 flow [2023-11-29 03:46:47,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1630 places, 1710 transitions, 3680 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-11-29 03:46:47,398 INFO L231 Difference]: Finished difference. Result has 1630 places, 1710 transitions, 3658 flow [2023-11-29 03:46:47,399 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3648, PETRI_DIFFERENCE_MINUEND_PLACES=1624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3658, PETRI_PLACES=1630, PETRI_TRANSITIONS=1710} [2023-11-29 03:46:47,400 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -35 predicate places. [2023-11-29 03:46:47,400 INFO L495 AbstractCegarLoop]: Abstraction has has 1630 places, 1710 transitions, 3658 flow [2023-11-29 03:46:47,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1739.857142857143) internal successors, (12179), 7 states have internal predecessors, (12179), 0 states have call successors, (0), 0 states 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 03:46:47,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:46:47,402 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:47,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:46:47,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a99b37-9f53-4605-9196-4dbd388c9cfb/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-29 03:46:47,603 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:46:47,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:46:47,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1817926879, now seen corresponding path program 1 times [2023-11-29 03:46:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:46:47,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851399961] [2023-11-29 03:46:47,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:46:47,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:46:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:46:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-29 03:46:47,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:46:47,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851399961] [2023-11-29 03:46:47,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851399961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:46:47,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:46:47,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:46:47,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773485161] [2023-11-29 03:46:47,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:46:47,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:46:47,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:46:47,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:46:47,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:46:47,783 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1732 out of 1795 [2023-11-29 03:46:47,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1630 places, 1710 transitions, 3658 flow. Second operand has 3 states, 3 states have (on average 1733.6666666666667) internal successors, (5201), 3 states have internal predecessors, (5201), 0 states have call successors, (0), 0 states 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 03:46:47,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:46:47,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1732 of 1795 [2023-11-29 03:46:47,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 03:46:54,272 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1363], [Black: 1790#true, 1787#(= |#race~is_null_1~0| 0), Black: 3777#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= (+ |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3763#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3771#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 4963#true, 982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 4961#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1785#true]) [2023-11-29 03:46:54,272 INFO L294 olderBase$Statistics]: this new event has 535 ancestors and is cut-off event [2023-11-29 03:46:54,273 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:54,273 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:54,273 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:54,273 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1363], [1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 3777#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= (+ |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3763#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3771#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 4963#true, 982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 4961#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1785#true]) [2023-11-29 03:46:54,273 INFO L294 olderBase$Statistics]: this new event has 511 ancestors and is cut-off event [2023-11-29 03:46:54,273 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:54,273 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:54,273 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:54,273 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:54,846 INFO L292 olderBase$Statistics]: inserting event number 6 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1363], [1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 3777#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= (+ |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3763#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3771#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 4963#true, 982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 4961#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1785#true]) [2023-11-29 03:46:54,846 INFO L294 olderBase$Statistics]: this new event has 535 ancestors and is cut-off event [2023-11-29 03:46:54,846 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:54,846 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:54,846 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:54,846 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:54,846 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:54,932 INFO L292 olderBase$Statistics]: inserting event number 7 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1363], [1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 3777#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= (+ |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3763#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3771#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 4963#true, 982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 4961#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1785#true]) [2023-11-29 03:46:54,932 INFO L294 olderBase$Statistics]: this new event has 511 ancestors and is cut-off event [2023-11-29 03:46:54,932 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:54,932 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:54,932 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is cut-off event [2023-11-29 03:46:54,932 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is cut-off event [2023-11-29 03:46:54,932 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is cut-off event [2023-11-29 03:46:54,932 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is cut-off event [2023-11-29 03:46:57,256 INFO L292 olderBase$Statistics]: inserting event number 8 for the transition-marking pair ([5416] thread3EXIT-->L161-7: Formula: (and (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem186#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread3Thread1of1ForFork0_thidvar0_4) (= v_thread3Thread1of1ForFork0_thidvar3_4 0) (= v_thread3Thread1of1ForFork0_thidvar1_4 0) (= v_thread3Thread1of1ForFork0_thidvar2_4 0)) InVars {ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} OutVars{ULTIMATE.start_main_#t~mem186#1=|v_ULTIMATE.start_main_#t~mem186#1_6|, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_4, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_4, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_4, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_4} AuxVars[] AssignedVars[][1363], [1787#(= |#race~is_null_1~0| 0), Black: 1790#true, Black: 3777#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= (+ |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1) |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3763#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|)), Black: 3771#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (<= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 1)), Black: 1795#true, 1797#(= |#race~is_null_9~0| 0), 4963#true, 982#L161-7true, 1792#(= |#race~is_null_5~0| 0), 4961#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 0) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 3) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 1) 0) (= |ULTIMATE.start_main_~#t1~0#1.offset| 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) 2) 0)), Black: 1812#(and (<= 5 |ULTIMATE.start_create_fresh_bool_array_#in~size#1|) (<= 5 |ULTIMATE.start_create_fresh_bool_array_~size#1|) (= |ULTIMATE.start_create_fresh_bool_array_~i~0#1| 0)), Black: 1785#true]) [2023-11-29 03:46:57,256 INFO L294 olderBase$Statistics]: this new event has 508 ancestors and is not cut-off event [2023-11-29 03:46:57,256 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is not cut-off event [2023-11-29 03:46:57,256 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is not cut-off event [2023-11-29 03:46:57,257 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is not cut-off event [2023-11-29 03:46:57,257 INFO L297 olderBase$Statistics]: existing Event has 535 ancestors and is not cut-off event [2023-11-29 03:46:57,257 INFO L297 olderBase$Statistics]: existing Event has 511 ancestors and is not cut-off event [2023-11-29 03:46:57,257 INFO L297 olderBase$Statistics]: existing Event has 532 ancestors and is not cut-off event [2023-11-29 03:46:57,257 INFO L297 olderBase$Statistics]: existing Event has 508 ancestors and is not cut-off event [2023-11-29 03:47:00,640 INFO L124 PetriNetUnfolderBase]: 1382/22034 cut-off events. [2023-11-29 03:47:00,640 INFO L125 PetriNetUnfolderBase]: For 39/49 co-relation queries the response was YES. [2023-11-29 03:47:01,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22932 conditions, 22034 events. 1382/22034 cut-off events. For 39/49 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 275640 event pairs, 60 based on Foata normal form. 0/17612 useless extension candidates. Maximal degree in co-relation 22676. Up to 428 conditions per place. [2023-11-29 03:47:01,842 INFO L140 encePairwiseOnDemand]: 1792/1795 looper letters, 24 selfloop transitions, 2 changer transitions 0/1711 dead transitions. [2023-11-29 03:47:01,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1631 places, 1711 transitions, 3714 flow [2023-11-29 03:47:02,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:47:02,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 03:47:02,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5223 transitions. [2023-11-29 03:47:02,048 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.96991643454039 [2023-11-29 03:47:02,048 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5223 transitions. [2023-11-29 03:47:02,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5223 transitions. [2023-11-29 03:47:02,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:47:02,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5223 transitions. [2023-11-29 03:47:02,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1741.0) internal successors, (5223), 3 states have internal predecessors, (5223), 0 states have call successors, (0), 0 states 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 03:47:02,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:47:02,055 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1795.0) internal successors, (7180), 4 states have internal predecessors, (7180), 0 states have call successors, (0), 0 states 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 03:47:02,055 INFO L175 Difference]: Start difference. First operand has 1630 places, 1710 transitions, 3658 flow. Second operand 3 states and 5223 transitions. [2023-11-29 03:47:02,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1631 places, 1711 transitions, 3714 flow [2023-11-29 03:47:02,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1626 places, 1711 transitions, 3705 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 03:47:02,087 INFO L231 Difference]: Finished difference. Result has 1626 places, 1709 transitions, 3651 flow [2023-11-29 03:47:02,089 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1795, PETRI_DIFFERENCE_MINUEND_FLOW=3647, PETRI_DIFFERENCE_MINUEND_PLACES=1624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3651, PETRI_PLACES=1626, PETRI_TRANSITIONS=1709} [2023-11-29 03:47:02,090 INFO L281 CegarLoopForPetriNet]: 1665 programPoint places, -39 predicate places. [2023-11-29 03:47:02,090 INFO L495 AbstractCegarLoop]: Abstraction has has 1626 places, 1709 transitions, 3651 flow [2023-11-29 03:47:02,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1733.6666666666667) internal successors, (5201), 3 states have internal predecessors, (5201), 0 states have call successors, (0), 0 states 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 03:47:02,091 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 03:47:02,092 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:02,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-29 03:47:02,092 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 427 more)] === [2023-11-29 03:47:02,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:47:02,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1942915996, now seen corresponding path program 1 times [2023-11-29 03:47:02,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:47:02,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018874629] [2023-11-29 03:47:02,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:47:02,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:47:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:47:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-29 03:47:02,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:47:02,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018874629] [2023-11-29 03:47:02,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018874629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:47:02,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:47:02,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:47:02,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038229028] [2023-11-29 03:47:02,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:47:02,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:47:02,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:47:02,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:47:02,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:47:02,260 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1731 out of 1795 [2023-11-29 03:47:02,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1626 places, 1709 transitions, 3651 flow. Second operand has 3 states, 3 states have (on average 1733.0) internal successors, (5199), 3 states have internal predecessors, (5199), 0 states have call successors, (0), 0 states 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 03:47:02,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 03:47:02,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1731 of 1795 [2023-11-29 03:47:02,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand