./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/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_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/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_e4f6f31b-9976-4700-9a98-8f06a409157c/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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:31:02,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:31:02,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 02:31:02,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:31:02,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:31:02,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:31:02,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:31:02,151 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:31:02,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:31:02,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:31:02,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:31:02,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:31:02,154 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:31:02,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:31:02,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:31:02,155 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:31:02,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:31:02,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:31:02,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:31:02,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:31:02,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:31:02,158 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:31:02,159 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 02:31:02,159 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 02:31:02,159 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:31:02,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:31:02,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:31:02,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:31:02,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:31:02,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:31:02,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:31:02,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:31:02,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:31:02,163 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:31:02,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:31:02,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:31:02,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:31:02,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:31:02,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:31:02,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:31:02,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:31:02,177 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_e4f6f31b-9976-4700-9a98-8f06a409157c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2023-11-29 02:31:02,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:31:02,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:31:02,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:31:02,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:31:02,438 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:31:02,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-29 02:31:05,102 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:31:05,299 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:31:05,300 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-29 02:31:05,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/data/ef1978502/fb1c2c7254414b7996f2f482cd21af5d/FLAG55d95f6f0 [2023-11-29 02:31:05,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/data/ef1978502/fb1c2c7254414b7996f2f482cd21af5d [2023-11-29 02:31:05,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:31:05,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:31:05,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:31:05,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:31:05,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:31:05,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207e43d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05, skipping insertion in model container [2023-11-29 02:31:05,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:31:05,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:31:05,571 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:31:05,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:31:05,627 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:31:05,627 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 02:31:05,635 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:31:05,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05 WrapperNode [2023-11-29 02:31:05,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:31:05,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:31:05,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:31:05,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:31:05,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,702 INFO L138 Inliner]: procedures = 26, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 663 [2023-11-29 02:31:05,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:31:05,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:31:05,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:31:05,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:31:05,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:31:05,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:31:05,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:31:05,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:31:05,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (1/1) ... [2023-11-29 02:31:05,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:31:05,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:31:05,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:31:05,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:31:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 02:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 02:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 02:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 02:31:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 02:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 02:31:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 02:31:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-29 02:31:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-29 02:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-29 02:31:05,832 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-29 02:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 02:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 02:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 02:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 02:31:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:31:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:31:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 02:31:05,834 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 02:31:05,972 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:31:05,974 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:31:06,809 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:31:07,468 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:31:07,468 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 02:31:07,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:31:07 BoogieIcfgContainer [2023-11-29 02:31:07,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:31:07,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:31:07,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:31:07,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:31:07,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:31:05" (1/3) ... [2023-11-29 02:31:07,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e5ee94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:31:07, skipping insertion in model container [2023-11-29 02:31:07,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:31:05" (2/3) ... [2023-11-29 02:31:07,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e5ee94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:31:07, skipping insertion in model container [2023-11-29 02:31:07,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:31:07" (3/3) ... [2023-11-29 02:31:07,479 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2023-11-29 02:31:07,488 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 02:31:07,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:31:07,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 99 error locations. [2023-11-29 02:31:07,499 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 02:31:07,633 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-29 02:31:07,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 473 places, 483 transitions, 994 flow [2023-11-29 02:31:07,831 INFO L124 PetriNetUnfolderBase]: 23/479 cut-off events. [2023-11-29 02:31:07,831 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 02:31:07,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 479 events. 23/479 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 651 event pairs, 0 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 390. Up to 2 conditions per place. [2023-11-29 02:31:07,840 INFO L82 GeneralOperation]: Start removeDead. Operand has 473 places, 483 transitions, 994 flow [2023-11-29 02:31:07,852 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 445 places, 454 transitions, 932 flow [2023-11-29 02:31:07,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:31:07,868 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;@542891aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:31:07,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 173 error locations. [2023-11-29 02:31:07,874 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 02:31:07,874 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2023-11-29 02:31:07,874 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 02:31:07,874 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:07,875 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] [2023-11-29 02:31:07,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:07,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:07,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1025119640, now seen corresponding path program 1 times [2023-11-29 02:31:07,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:07,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310983535] [2023-11-29 02:31:07,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:07,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:08,097 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 02:31:08,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:08,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310983535] [2023-11-29 02:31:08,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310983535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:08,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:08,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:08,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622388716] [2023-11-29 02:31:08,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:08,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:08,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:08,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:08,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:08,165 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 483 [2023-11-29 02:31:08,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 445 places, 454 transitions, 932 flow. Second operand has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:08,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:08,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 483 [2023-11-29 02:31:08,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:08,743 INFO L124 PetriNetUnfolderBase]: 748/1796 cut-off events. [2023-11-29 02:31:08,743 INFO L125 PetriNetUnfolderBase]: For 237/365 co-relation queries the response was YES. [2023-11-29 02:31:08,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2999 conditions, 1796 events. 748/1796 cut-off events. For 237/365 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9097 event pairs, 485 based on Foata normal form. 265/1871 useless extension candidates. Maximal degree in co-relation 2527. Up to 1009 conditions per place. [2023-11-29 02:31:08,766 INFO L140 encePairwiseOnDemand]: 398/483 looper letters, 27 selfloop transitions, 2 changer transitions 6/371 dead transitions. [2023-11-29 02:31:08,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 371 transitions, 824 flow [2023-11-29 02:31:08,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:08,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2023-11-29 02:31:08,785 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8391994478951 [2023-11-29 02:31:08,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2023-11-29 02:31:08,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2023-11-29 02:31:08,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:08,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2023-11-29 02:31:08,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:08,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:08,810 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:08,812 INFO L175 Difference]: Start difference. First operand has 445 places, 454 transitions, 932 flow. Second operand 3 states and 1216 transitions. [2023-11-29 02:31:08,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 371 transitions, 824 flow [2023-11-29 02:31:08,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 371 transitions, 808 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-29 02:31:08,828 INFO L231 Difference]: Finished difference. Result has 368 places, 365 transitions, 742 flow [2023-11-29 02:31:08,830 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=371, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=368, PETRI_TRANSITIONS=365} [2023-11-29 02:31:08,834 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -77 predicate places. [2023-11-29 02:31:08,834 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 365 transitions, 742 flow [2023-11-29 02:31:08,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:08,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:08,835 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] [2023-11-29 02:31:08,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 02:31:08,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:08,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:08,837 INFO L85 PathProgramCache]: Analyzing trace with hash -962694943, now seen corresponding path program 1 times [2023-11-29 02:31:08,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:08,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855440110] [2023-11-29 02:31:08,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:08,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:08,909 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 02:31:08,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:08,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855440110] [2023-11-29 02:31:08,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855440110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:08,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:08,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:08,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548719206] [2023-11-29 02:31:08,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:08,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:08,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:08,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:08,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:08,931 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 368 out of 483 [2023-11-29 02:31:08,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 365 transitions, 742 flow. Second operand has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:08,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:08,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 368 of 483 [2023-11-29 02:31:08,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:09,439 INFO L124 PetriNetUnfolderBase]: 748/1789 cut-off events. [2023-11-29 02:31:09,439 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:09,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2873 conditions, 1789 events. 748/1789 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9126 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2833. Up to 1009 conditions per place. [2023-11-29 02:31:09,453 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 27 selfloop transitions, 2 changer transitions 0/364 dead transitions. [2023-11-29 02:31:09,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 364 transitions, 798 flow [2023-11-29 02:31:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1134 transitions. [2023-11-29 02:31:09,457 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.782608695652174 [2023-11-29 02:31:09,457 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1134 transitions. [2023-11-29 02:31:09,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1134 transitions. [2023-11-29 02:31:09,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:09,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1134 transitions. [2023-11-29 02:31:09,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.0) internal successors, (1134), 3 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:09,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:09,466 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:09,466 INFO L175 Difference]: Start difference. First operand has 368 places, 365 transitions, 742 flow. Second operand 3 states and 1134 transitions. [2023-11-29 02:31:09,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 364 transitions, 798 flow [2023-11-29 02:31:09,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 364 transitions, 794 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:09,473 INFO L231 Difference]: Finished difference. Result has 361 places, 364 transitions, 740 flow [2023-11-29 02:31:09,474 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=736, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=740, PETRI_PLACES=361, PETRI_TRANSITIONS=364} [2023-11-29 02:31:09,475 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -84 predicate places. [2023-11-29 02:31:09,475 INFO L495 AbstractCegarLoop]: Abstraction has has 361 places, 364 transitions, 740 flow [2023-11-29 02:31:09,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 369.3333333333333) internal successors, (1108), 3 states have internal predecessors, (1108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:09,476 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:09,476 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] [2023-11-29 02:31:09,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 02:31:09,477 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:09,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash -541422816, now seen corresponding path program 1 times [2023-11-29 02:31:09,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:09,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762831787] [2023-11-29 02:31:09,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:09,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:09,541 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 02:31:09,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:09,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762831787] [2023-11-29 02:31:09,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762831787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:09,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:09,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:09,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870425726] [2023-11-29 02:31:09,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:09,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:09,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:09,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:09,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:09,560 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 483 [2023-11-29 02:31:09,562 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 364 transitions, 740 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:09,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:09,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 483 [2023-11-29 02:31:09,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:10,040 INFO L124 PetriNetUnfolderBase]: 748/1788 cut-off events. [2023-11-29 02:31:10,040 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:10,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2871 conditions, 1788 events. 748/1788 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9119 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2823. Up to 1008 conditions per place. [2023-11-29 02:31:10,060 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 26 selfloop transitions, 2 changer transitions 0/363 dead transitions. [2023-11-29 02:31:10,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 363 transitions, 794 flow [2023-11-29 02:31:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:10,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:10,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2023-11-29 02:31:10,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7839889579020014 [2023-11-29 02:31:10,065 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1136 transitions. [2023-11-29 02:31:10,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1136 transitions. [2023-11-29 02:31:10,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:10,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1136 transitions. [2023-11-29 02:31:10,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:10,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:10,075 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:10,075 INFO L175 Difference]: Start difference. First operand has 361 places, 364 transitions, 740 flow. Second operand 3 states and 1136 transitions. [2023-11-29 02:31:10,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 363 transitions, 794 flow [2023-11-29 02:31:10,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 360 places, 363 transitions, 790 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:10,084 INFO L231 Difference]: Finished difference. Result has 360 places, 363 transitions, 738 flow [2023-11-29 02:31:10,085 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=738, PETRI_PLACES=360, PETRI_TRANSITIONS=363} [2023-11-29 02:31:10,086 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -85 predicate places. [2023-11-29 02:31:10,086 INFO L495 AbstractCegarLoop]: Abstraction has has 360 places, 363 transitions, 738 flow [2023-11-29 02:31:10,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:10,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:10,087 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] [2023-11-29 02:31:10,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 02:31:10,088 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:10,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:10,088 INFO L85 PathProgramCache]: Analyzing trace with hash -525539009, now seen corresponding path program 1 times [2023-11-29 02:31:10,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:10,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690436158] [2023-11-29 02:31:10,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:10,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:10,150 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 02:31:10,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:10,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690436158] [2023-11-29 02:31:10,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690436158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:10,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:10,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:10,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015999923] [2023-11-29 02:31:10,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:10,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:10,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:10,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:10,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:10,173 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 483 [2023-11-29 02:31:10,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 363 transitions, 738 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:10,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:10,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 483 [2023-11-29 02:31:10,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:10,657 INFO L124 PetriNetUnfolderBase]: 748/1787 cut-off events. [2023-11-29 02:31:10,657 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:10,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2870 conditions, 1787 events. 748/1787 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9109 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2814. Up to 1008 conditions per place. [2023-11-29 02:31:10,674 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 26 selfloop transitions, 2 changer transitions 0/362 dead transitions. [2023-11-29 02:31:10,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 361 places, 362 transitions, 792 flow [2023-11-29 02:31:10,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:10,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2023-11-29 02:31:10,678 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7839889579020014 [2023-11-29 02:31:10,678 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1136 transitions. [2023-11-29 02:31:10,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1136 transitions. [2023-11-29 02:31:10,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:10,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1136 transitions. [2023-11-29 02:31:10,683 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:10,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:10,688 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:10,688 INFO L175 Difference]: Start difference. First operand has 360 places, 363 transitions, 738 flow. Second operand 3 states and 1136 transitions. [2023-11-29 02:31:10,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 361 places, 362 transitions, 792 flow [2023-11-29 02:31:10,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 362 transitions, 788 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:10,696 INFO L231 Difference]: Finished difference. Result has 359 places, 362 transitions, 736 flow [2023-11-29 02:31:10,697 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=736, PETRI_PLACES=359, PETRI_TRANSITIONS=362} [2023-11-29 02:31:10,698 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -86 predicate places. [2023-11-29 02:31:10,698 INFO L495 AbstractCegarLoop]: Abstraction has has 359 places, 362 transitions, 736 flow [2023-11-29 02:31:10,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:10,699 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:10,699 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] [2023-11-29 02:31:10,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 02:31:10,699 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:10,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:10,700 INFO L85 PathProgramCache]: Analyzing trace with hash 372361636, now seen corresponding path program 1 times [2023-11-29 02:31:10,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:10,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588223679] [2023-11-29 02:31:10,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:10,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:10,747 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 02:31:10,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:10,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588223679] [2023-11-29 02:31:10,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588223679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:10,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:10,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:10,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288129711] [2023-11-29 02:31:10,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:10,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:10,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:10,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:10,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:10,766 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 483 [2023-11-29 02:31:10,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 362 transitions, 736 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:10,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:10,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 483 [2023-11-29 02:31:10,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:11,231 INFO L124 PetriNetUnfolderBase]: 748/1786 cut-off events. [2023-11-29 02:31:11,231 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:11,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2869 conditions, 1786 events. 748/1786 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9113 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2805. Up to 1008 conditions per place. [2023-11-29 02:31:11,248 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 26 selfloop transitions, 2 changer transitions 0/361 dead transitions. [2023-11-29 02:31:11,248 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 361 transitions, 790 flow [2023-11-29 02:31:11,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:11,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:11,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2023-11-29 02:31:11,251 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7839889579020014 [2023-11-29 02:31:11,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1136 transitions. [2023-11-29 02:31:11,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1136 transitions. [2023-11-29 02:31:11,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:11,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1136 transitions. [2023-11-29 02:31:11,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:11,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:11,261 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:11,261 INFO L175 Difference]: Start difference. First operand has 359 places, 362 transitions, 736 flow. Second operand 3 states and 1136 transitions. [2023-11-29 02:31:11,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 361 transitions, 790 flow [2023-11-29 02:31:11,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 358 places, 361 transitions, 786 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:11,267 INFO L231 Difference]: Finished difference. Result has 358 places, 361 transitions, 734 flow [2023-11-29 02:31:11,268 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=734, PETRI_PLACES=358, PETRI_TRANSITIONS=361} [2023-11-29 02:31:11,268 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -87 predicate places. [2023-11-29 02:31:11,269 INFO L495 AbstractCegarLoop]: Abstraction has has 358 places, 361 transitions, 734 flow [2023-11-29 02:31:11,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:11,270 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:11,270 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] [2023-11-29 02:31:11,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 02:31:11,270 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:11,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:11,271 INFO L85 PathProgramCache]: Analyzing trace with hash 438758107, now seen corresponding path program 1 times [2023-11-29 02:31:11,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:11,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253317984] [2023-11-29 02:31:11,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:11,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:11,318 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 02:31:11,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:11,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253317984] [2023-11-29 02:31:11,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253317984] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:11,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:11,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:11,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174913494] [2023-11-29 02:31:11,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:11,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:11,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:11,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:11,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:11,332 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 483 [2023-11-29 02:31:11,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 361 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:11,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:11,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 483 [2023-11-29 02:31:11,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:11,724 INFO L124 PetriNetUnfolderBase]: 748/1785 cut-off events. [2023-11-29 02:31:11,724 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:11,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2868 conditions, 1785 events. 748/1785 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9143 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2796. Up to 1008 conditions per place. [2023-11-29 02:31:11,735 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 26 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2023-11-29 02:31:11,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 360 transitions, 788 flow [2023-11-29 02:31:11,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:11,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:11,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2023-11-29 02:31:11,739 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7839889579020014 [2023-11-29 02:31:11,739 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1136 transitions. [2023-11-29 02:31:11,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1136 transitions. [2023-11-29 02:31:11,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:11,741 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1136 transitions. [2023-11-29 02:31:11,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:11,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:11,749 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:11,749 INFO L175 Difference]: Start difference. First operand has 358 places, 361 transitions, 734 flow. Second operand 3 states and 1136 transitions. [2023-11-29 02:31:11,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 360 transitions, 788 flow [2023-11-29 02:31:11,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 360 transitions, 784 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:11,756 INFO L231 Difference]: Finished difference. Result has 357 places, 360 transitions, 732 flow [2023-11-29 02:31:11,757 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=357, PETRI_TRANSITIONS=360} [2023-11-29 02:31:11,758 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -88 predicate places. [2023-11-29 02:31:11,758 INFO L495 AbstractCegarLoop]: Abstraction has has 357 places, 360 transitions, 732 flow [2023-11-29 02:31:11,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:11,759 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:11,759 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] [2023-11-29 02:31:11,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 02:31:11,759 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:11,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:11,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1255637144, now seen corresponding path program 1 times [2023-11-29 02:31:11,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:11,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083093382] [2023-11-29 02:31:11,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:11,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:11,809 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 02:31:11,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:11,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083093382] [2023-11-29 02:31:11,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083093382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:11,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:11,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:11,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079272643] [2023-11-29 02:31:11,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:11,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:11,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:11,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:11,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:11,826 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 483 [2023-11-29 02:31:11,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 360 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:11,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:11,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 483 [2023-11-29 02:31:11,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:12,183 INFO L124 PetriNetUnfolderBase]: 748/1784 cut-off events. [2023-11-29 02:31:12,184 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:12,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2867 conditions, 1784 events. 748/1784 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 9090 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2787. Up to 1008 conditions per place. [2023-11-29 02:31:12,198 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 26 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2023-11-29 02:31:12,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 359 transitions, 786 flow [2023-11-29 02:31:12,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:12,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2023-11-29 02:31:12,202 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7839889579020014 [2023-11-29 02:31:12,203 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1136 transitions. [2023-11-29 02:31:12,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1136 transitions. [2023-11-29 02:31:12,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:12,204 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1136 transitions. [2023-11-29 02:31:12,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:12,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:12,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:12,212 INFO L175 Difference]: Start difference. First operand has 357 places, 360 transitions, 732 flow. Second operand 3 states and 1136 transitions. [2023-11-29 02:31:12,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 359 transitions, 786 flow [2023-11-29 02:31:12,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 359 transitions, 782 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:12,220 INFO L231 Difference]: Finished difference. Result has 356 places, 359 transitions, 730 flow [2023-11-29 02:31:12,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=356, PETRI_TRANSITIONS=359} [2023-11-29 02:31:12,222 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -89 predicate places. [2023-11-29 02:31:12,222 INFO L495 AbstractCegarLoop]: Abstraction has has 356 places, 359 transitions, 730 flow [2023-11-29 02:31:12,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:12,222 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:12,223 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] [2023-11-29 02:31:12,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 02:31:12,223 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:12,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:12,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1034621983, now seen corresponding path program 1 times [2023-11-29 02:31:12,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:12,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124472729] [2023-11-29 02:31:12,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:12,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:12,273 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 02:31:12,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:12,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124472729] [2023-11-29 02:31:12,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124472729] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:12,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:12,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:12,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283115877] [2023-11-29 02:31:12,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:12,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:12,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:12,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:12,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:12,289 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 483 [2023-11-29 02:31:12,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 359 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:12,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:12,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 483 [2023-11-29 02:31:12,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:12,689 INFO L124 PetriNetUnfolderBase]: 748/1783 cut-off events. [2023-11-29 02:31:12,689 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:12,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2866 conditions, 1783 events. 748/1783 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9067 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2778. Up to 1008 conditions per place. [2023-11-29 02:31:12,703 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 26 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2023-11-29 02:31:12,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 358 transitions, 784 flow [2023-11-29 02:31:12,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:12,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2023-11-29 02:31:12,707 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7839889579020014 [2023-11-29 02:31:12,707 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1136 transitions. [2023-11-29 02:31:12,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1136 transitions. [2023-11-29 02:31:12,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:12,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1136 transitions. [2023-11-29 02:31:12,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:12,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:12,715 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:12,715 INFO L175 Difference]: Start difference. First operand has 356 places, 359 transitions, 730 flow. Second operand 3 states and 1136 transitions. [2023-11-29 02:31:12,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 358 transitions, 784 flow [2023-11-29 02:31:12,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 358 transitions, 780 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:12,723 INFO L231 Difference]: Finished difference. Result has 355 places, 358 transitions, 728 flow [2023-11-29 02:31:12,724 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=355, PETRI_TRANSITIONS=358} [2023-11-29 02:31:12,725 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -90 predicate places. [2023-11-29 02:31:12,725 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 358 transitions, 728 flow [2023-11-29 02:31:12,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:12,726 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:12,726 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] [2023-11-29 02:31:12,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 02:31:12,726 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:12,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:12,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1237512460, now seen corresponding path program 1 times [2023-11-29 02:31:12,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:12,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106818085] [2023-11-29 02:31:12,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:12,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:12,775 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 02:31:12,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:12,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106818085] [2023-11-29 02:31:12,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106818085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:12,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:12,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:12,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915831250] [2023-11-29 02:31:12,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:12,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:12,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:12,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:12,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:12,789 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 483 [2023-11-29 02:31:12,790 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 358 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:12,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:12,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 483 [2023-11-29 02:31:12,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:13,221 INFO L124 PetriNetUnfolderBase]: 748/1782 cut-off events. [2023-11-29 02:31:13,221 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:13,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2865 conditions, 1782 events. 748/1782 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9101 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2769. Up to 1008 conditions per place. [2023-11-29 02:31:13,235 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 26 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2023-11-29 02:31:13,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 357 transitions, 782 flow [2023-11-29 02:31:13,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:13,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2023-11-29 02:31:13,241 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7839889579020014 [2023-11-29 02:31:13,241 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1136 transitions. [2023-11-29 02:31:13,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1136 transitions. [2023-11-29 02:31:13,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:13,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1136 transitions. [2023-11-29 02:31:13,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:13,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:13,249 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:13,249 INFO L175 Difference]: Start difference. First operand has 355 places, 358 transitions, 728 flow. Second operand 3 states and 1136 transitions. [2023-11-29 02:31:13,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 357 transitions, 782 flow [2023-11-29 02:31:13,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 357 transitions, 778 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:13,257 INFO L231 Difference]: Finished difference. Result has 354 places, 357 transitions, 726 flow [2023-11-29 02:31:13,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=354, PETRI_TRANSITIONS=357} [2023-11-29 02:31:13,259 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -91 predicate places. [2023-11-29 02:31:13,259 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 357 transitions, 726 flow [2023-11-29 02:31:13,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:13,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:13,260 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] [2023-11-29 02:31:13,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 02:31:13,261 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:13,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:13,261 INFO L85 PathProgramCache]: Analyzing trace with hash -514234231, now seen corresponding path program 1 times [2023-11-29 02:31:13,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:13,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224450468] [2023-11-29 02:31:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:13,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:13,305 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 02:31:13,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:13,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224450468] [2023-11-29 02:31:13,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224450468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:13,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:13,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:13,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99348207] [2023-11-29 02:31:13,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:13,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:13,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:13,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:13,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:13,315 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 483 [2023-11-29 02:31:13,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 357 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:13,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:13,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 483 [2023-11-29 02:31:13,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:13,682 INFO L124 PetriNetUnfolderBase]: 748/1781 cut-off events. [2023-11-29 02:31:13,682 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:13,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2861 conditions, 1781 events. 748/1781 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9105 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2757. Up to 1005 conditions per place. [2023-11-29 02:31:13,694 INFO L140 encePairwiseOnDemand]: 481/483 looper letters, 24 selfloop transitions, 1 changer transitions 0/356 dead transitions. [2023-11-29 02:31:13,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 356 transitions, 774 flow [2023-11-29 02:31:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1145 transitions. [2023-11-29 02:31:13,699 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.790200138026225 [2023-11-29 02:31:13,700 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1145 transitions. [2023-11-29 02:31:13,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1145 transitions. [2023-11-29 02:31:13,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:13,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1145 transitions. [2023-11-29 02:31:13,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.6666666666667) internal successors, (1145), 3 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:13,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:13,710 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:13,710 INFO L175 Difference]: Start difference. First operand has 354 places, 357 transitions, 726 flow. Second operand 3 states and 1145 transitions. [2023-11-29 02:31:13,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 356 transitions, 774 flow [2023-11-29 02:31:13,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 356 transitions, 770 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:13,720 INFO L231 Difference]: Finished difference. Result has 353 places, 356 transitions, 722 flow [2023-11-29 02:31:13,721 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=353, PETRI_TRANSITIONS=356} [2023-11-29 02:31:13,721 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -92 predicate places. [2023-11-29 02:31:13,722 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 356 transitions, 722 flow [2023-11-29 02:31:13,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:13,723 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:13,723 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] [2023-11-29 02:31:13,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 02:31:13,723 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:13,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:13,724 INFO L85 PathProgramCache]: Analyzing trace with hash -235246473, now seen corresponding path program 1 times [2023-11-29 02:31:13,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:13,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953975112] [2023-11-29 02:31:13,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:13,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:13,791 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 02:31:13,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:13,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953975112] [2023-11-29 02:31:13,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953975112] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:13,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:13,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:13,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640657269] [2023-11-29 02:31:13,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:13,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:13,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:13,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:13,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:13,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 483 [2023-11-29 02:31:13,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 356 transitions, 722 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:13,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:13,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 483 [2023-11-29 02:31:13,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:14,176 INFO L124 PetriNetUnfolderBase]: 748/1780 cut-off events. [2023-11-29 02:31:14,176 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:14,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2861 conditions, 1780 events. 748/1780 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9100 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2757. Up to 1007 conditions per place. [2023-11-29 02:31:14,186 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 25 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2023-11-29 02:31:14,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 355 transitions, 774 flow [2023-11-29 02:31:14,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1138 transitions. [2023-11-29 02:31:14,190 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7853692201518289 [2023-11-29 02:31:14,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1138 transitions. [2023-11-29 02:31:14,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1138 transitions. [2023-11-29 02:31:14,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:14,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1138 transitions. [2023-11-29 02:31:14,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 379.3333333333333) internal successors, (1138), 3 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:14,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:14,196 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:14,196 INFO L175 Difference]: Start difference. First operand has 353 places, 356 transitions, 722 flow. Second operand 3 states and 1138 transitions. [2023-11-29 02:31:14,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 355 transitions, 774 flow [2023-11-29 02:31:14,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 355 transitions, 773 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:31:14,201 INFO L231 Difference]: Finished difference. Result has 353 places, 355 transitions, 723 flow [2023-11-29 02:31:14,202 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=353, PETRI_TRANSITIONS=355} [2023-11-29 02:31:14,203 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -92 predicate places. [2023-11-29 02:31:14,203 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 355 transitions, 723 flow [2023-11-29 02:31:14,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:14,203 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:14,203 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] [2023-11-29 02:31:14,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 02:31:14,203 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:14,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:14,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1861774780, now seen corresponding path program 1 times [2023-11-29 02:31:14,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:14,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441246094] [2023-11-29 02:31:14,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:14,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:14,817 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 02:31:14,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:14,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441246094] [2023-11-29 02:31:14,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441246094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:14,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:14,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:14,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609817820] [2023-11-29 02:31:14,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:14,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:31:14,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:14,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:31:14,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:31:15,032 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 483 [2023-11-29 02:31:15,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 355 transitions, 723 flow. Second operand has 6 states, 6 states have (on average 334.5) internal successors, (2007), 6 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:15,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:15,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 483 [2023-11-29 02:31:15,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:16,233 INFO L124 PetriNetUnfolderBase]: 3568/5972 cut-off events. [2023-11-29 02:31:16,233 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2023-11-29 02:31:16,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10664 conditions, 5972 events. 3568/5972 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 33398 event pairs, 2473 based on Foata normal form. 0/5585 useless extension candidates. Maximal degree in co-relation 10561. Up to 4608 conditions per place. [2023-11-29 02:31:16,259 INFO L140 encePairwiseOnDemand]: 471/483 looper letters, 54 selfloop transitions, 10 changer transitions 0/353 dead transitions. [2023-11-29 02:31:16,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 353 transitions, 847 flow [2023-11-29 02:31:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:31:16,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:31:16,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2064 transitions. [2023-11-29 02:31:16,264 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7122153209109731 [2023-11-29 02:31:16,264 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2064 transitions. [2023-11-29 02:31:16,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2064 transitions. [2023-11-29 02:31:16,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:16,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2064 transitions. [2023-11-29 02:31:16,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 344.0) internal successors, (2064), 6 states have internal predecessors, (2064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:16,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 483.0) internal successors, (3381), 7 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:16,272 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 483.0) internal successors, (3381), 7 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:16,272 INFO L175 Difference]: Start difference. First operand has 353 places, 355 transitions, 723 flow. Second operand 6 states and 2064 transitions. [2023-11-29 02:31:16,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 353 transitions, 847 flow [2023-11-29 02:31:16,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 353 transitions, 843 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:16,278 INFO L231 Difference]: Finished difference. Result has 354 places, 353 transitions, 735 flow [2023-11-29 02:31:16,279 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=715, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=735, PETRI_PLACES=354, PETRI_TRANSITIONS=353} [2023-11-29 02:31:16,279 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -91 predicate places. [2023-11-29 02:31:16,280 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 353 transitions, 735 flow [2023-11-29 02:31:16,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 334.5) internal successors, (2007), 6 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:16,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:16,281 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] [2023-11-29 02:31:16,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 02:31:16,281 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:16,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:16,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1632510508, now seen corresponding path program 1 times [2023-11-29 02:31:16,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:16,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737547641] [2023-11-29 02:31:16,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:16,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:16,318 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 02:31:16,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:16,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737547641] [2023-11-29 02:31:16,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737547641] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:16,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:16,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:16,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863665038] [2023-11-29 02:31:16,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:16,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:16,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:16,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:16,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:16,327 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 483 [2023-11-29 02:31:16,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 353 transitions, 735 flow. Second operand has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:16,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:16,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 483 [2023-11-29 02:31:16,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:16,852 INFO L124 PetriNetUnfolderBase]: 748/1777 cut-off events. [2023-11-29 02:31:16,852 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:16,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2866 conditions, 1777 events. 748/1777 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9090 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2833. Up to 1005 conditions per place. [2023-11-29 02:31:16,867 INFO L140 encePairwiseOnDemand]: 481/483 looper letters, 24 selfloop transitions, 1 changer transitions 0/352 dead transitions. [2023-11-29 02:31:16,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 352 transitions, 783 flow [2023-11-29 02:31:16,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1145 transitions. [2023-11-29 02:31:16,871 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.790200138026225 [2023-11-29 02:31:16,872 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1145 transitions. [2023-11-29 02:31:16,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1145 transitions. [2023-11-29 02:31:16,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:16,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1145 transitions. [2023-11-29 02:31:16,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.6666666666667) internal successors, (1145), 3 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:16,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:16,880 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:16,880 INFO L175 Difference]: Start difference. First operand has 354 places, 353 transitions, 735 flow. Second operand 3 states and 1145 transitions. [2023-11-29 02:31:16,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 352 transitions, 783 flow [2023-11-29 02:31:16,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 352 transitions, 763 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 02:31:16,890 INFO L231 Difference]: Finished difference. Result has 350 places, 352 transitions, 715 flow [2023-11-29 02:31:16,891 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=713, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=715, PETRI_PLACES=350, PETRI_TRANSITIONS=352} [2023-11-29 02:31:16,892 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -95 predicate places. [2023-11-29 02:31:16,892 INFO L495 AbstractCegarLoop]: Abstraction has has 350 places, 352 transitions, 715 flow [2023-11-29 02:31:16,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:16,892 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:16,893 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:31:16,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 02:31:16,893 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:16,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:16,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1431404765, now seen corresponding path program 1 times [2023-11-29 02:31:16,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:16,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131863833] [2023-11-29 02:31:16,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:16,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:16,963 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 02:31:16,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:16,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131863833] [2023-11-29 02:31:16,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131863833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:16,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:16,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:16,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122181196] [2023-11-29 02:31:16,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:16,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:16,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:16,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:16,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:16,974 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 483 [2023-11-29 02:31:16,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 352 transitions, 715 flow. Second operand has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:16,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:16,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 483 [2023-11-29 02:31:16,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:17,366 INFO L124 PetriNetUnfolderBase]: 748/1776 cut-off events. [2023-11-29 02:31:17,366 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:17,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2858 conditions, 1776 events. 748/1776 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9064 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2754. Up to 1007 conditions per place. [2023-11-29 02:31:17,375 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 25 selfloop transitions, 2 changer transitions 0/351 dead transitions. [2023-11-29 02:31:17,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 351 transitions, 767 flow [2023-11-29 02:31:17,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:17,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:17,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1138 transitions. [2023-11-29 02:31:17,379 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7853692201518289 [2023-11-29 02:31:17,379 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1138 transitions. [2023-11-29 02:31:17,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1138 transitions. [2023-11-29 02:31:17,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:17,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1138 transitions. [2023-11-29 02:31:17,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 379.3333333333333) internal successors, (1138), 3 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:17,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:17,384 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:17,384 INFO L175 Difference]: Start difference. First operand has 350 places, 352 transitions, 715 flow. Second operand 3 states and 1138 transitions. [2023-11-29 02:31:17,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 351 transitions, 767 flow [2023-11-29 02:31:17,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 351 transitions, 766 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:31:17,390 INFO L231 Difference]: Finished difference. Result has 350 places, 351 transitions, 716 flow [2023-11-29 02:31:17,391 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=712, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=716, PETRI_PLACES=350, PETRI_TRANSITIONS=351} [2023-11-29 02:31:17,391 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -95 predicate places. [2023-11-29 02:31:17,391 INFO L495 AbstractCegarLoop]: Abstraction has has 350 places, 351 transitions, 716 flow [2023-11-29 02:31:17,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.3333333333333) internal successors, (1114), 3 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:17,392 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:17,392 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 02:31:17,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 02:31:17,392 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:17,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:17,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1617308348, now seen corresponding path program 1 times [2023-11-29 02:31:17,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:17,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155228552] [2023-11-29 02:31:17,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:17,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:17,437 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 02:31:17,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:17,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155228552] [2023-11-29 02:31:17,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155228552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:17,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:17,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:17,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773297438] [2023-11-29 02:31:17,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:17,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:17,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:17,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:17,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:17,449 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 483 [2023-11-29 02:31:17,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 351 transitions, 716 flow. Second operand has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:17,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:17,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 483 [2023-11-29 02:31:17,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:17,804 INFO L124 PetriNetUnfolderBase]: 748/1774 cut-off events. [2023-11-29 02:31:17,804 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:17,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2858 conditions, 1774 events. 748/1774 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9051 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2754. Up to 1007 conditions per place. [2023-11-29 02:31:17,814 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 26 selfloop transitions, 1 changer transitions 0/349 dead transitions. [2023-11-29 02:31:17,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 349 transitions, 766 flow [2023-11-29 02:31:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:17,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1139 transitions. [2023-11-29 02:31:17,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7860593512767425 [2023-11-29 02:31:17,817 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1139 transitions. [2023-11-29 02:31:17,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1139 transitions. [2023-11-29 02:31:17,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:17,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1139 transitions. [2023-11-29 02:31:17,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 379.6666666666667) internal successors, (1139), 3 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:17,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:17,822 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:17,822 INFO L175 Difference]: Start difference. First operand has 350 places, 351 transitions, 716 flow. Second operand 3 states and 1139 transitions. [2023-11-29 02:31:17,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 349 transitions, 766 flow [2023-11-29 02:31:17,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 349 transitions, 762 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:17,827 INFO L231 Difference]: Finished difference. Result has 348 places, 349 transitions, 710 flow [2023-11-29 02:31:17,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=710, PETRI_PLACES=348, PETRI_TRANSITIONS=349} [2023-11-29 02:31:17,828 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -97 predicate places. [2023-11-29 02:31:17,829 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 349 transitions, 710 flow [2023-11-29 02:31:17,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:17,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:17,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:31:17,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 02:31:17,829 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:17,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:17,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1771394298, now seen corresponding path program 1 times [2023-11-29 02:31:17,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:17,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428074131] [2023-11-29 02:31:17,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:17,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:17,878 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 02:31:17,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:17,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428074131] [2023-11-29 02:31:17,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428074131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:17,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:17,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:17,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742495252] [2023-11-29 02:31:17,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:17,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:17,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:17,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:17,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:17,888 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 483 [2023-11-29 02:31:17,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 349 transitions, 710 flow. Second operand has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:17,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:17,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 483 [2023-11-29 02:31:17,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:18,195 INFO L124 PetriNetUnfolderBase]: 748/1773 cut-off events. [2023-11-29 02:31:18,195 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:18,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2854 conditions, 1773 events. 748/1773 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9098 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2750. Up to 1005 conditions per place. [2023-11-29 02:31:18,204 INFO L140 encePairwiseOnDemand]: 481/483 looper letters, 24 selfloop transitions, 1 changer transitions 0/348 dead transitions. [2023-11-29 02:31:18,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 348 transitions, 758 flow [2023-11-29 02:31:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:18,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:18,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1145 transitions. [2023-11-29 02:31:18,208 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.790200138026225 [2023-11-29 02:31:18,208 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1145 transitions. [2023-11-29 02:31:18,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1145 transitions. [2023-11-29 02:31:18,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:18,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1145 transitions. [2023-11-29 02:31:18,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 381.6666666666667) internal successors, (1145), 3 states have internal predecessors, (1145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,213 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,213 INFO L175 Difference]: Start difference. First operand has 348 places, 349 transitions, 710 flow. Second operand 3 states and 1145 transitions. [2023-11-29 02:31:18,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 348 transitions, 758 flow [2023-11-29 02:31:18,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 348 transitions, 757 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:31:18,221 INFO L231 Difference]: Finished difference. Result has 348 places, 348 transitions, 709 flow [2023-11-29 02:31:18,222 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=709, PETRI_PLACES=348, PETRI_TRANSITIONS=348} [2023-11-29 02:31:18,222 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -97 predicate places. [2023-11-29 02:31:18,223 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 348 transitions, 709 flow [2023-11-29 02:31:18,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,223 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:18,223 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:31:18,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 02:31:18,224 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:18,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:18,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1502802317, now seen corresponding path program 1 times [2023-11-29 02:31:18,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:18,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572768477] [2023-11-29 02:31:18,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:18,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:18,277 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 02:31:18,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:18,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572768477] [2023-11-29 02:31:18,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572768477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:18,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:18,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:18,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034320475] [2023-11-29 02:31:18,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:18,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:18,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:18,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:18,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:18,291 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 483 [2023-11-29 02:31:18,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 348 transitions, 709 flow. Second operand has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:18,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 483 [2023-11-29 02:31:18,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:18,640 INFO L124 PetriNetUnfolderBase]: 748/1771 cut-off events. [2023-11-29 02:31:18,641 INFO L125 PetriNetUnfolderBase]: For 49/177 co-relation queries the response was YES. [2023-11-29 02:31:18,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2855 conditions, 1771 events. 748/1771 cut-off events. For 49/177 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 9115 event pairs, 485 based on Foata normal form. 0/1606 useless extension candidates. Maximal degree in co-relation 2751. Up to 1007 conditions per place. [2023-11-29 02:31:18,652 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 26 selfloop transitions, 1 changer transitions 0/346 dead transitions. [2023-11-29 02:31:18,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 346 transitions, 759 flow [2023-11-29 02:31:18,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1139 transitions. [2023-11-29 02:31:18,655 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7860593512767425 [2023-11-29 02:31:18,655 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1139 transitions. [2023-11-29 02:31:18,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1139 transitions. [2023-11-29 02:31:18,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:18,656 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1139 transitions. [2023-11-29 02:31:18,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 379.6666666666667) internal successors, (1139), 3 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,660 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,660 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,660 INFO L175 Difference]: Start difference. First operand has 348 places, 348 transitions, 709 flow. Second operand 3 states and 1139 transitions. [2023-11-29 02:31:18,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 346 transitions, 759 flow [2023-11-29 02:31:18,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 346 transitions, 758 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:31:18,665 INFO L231 Difference]: Finished difference. Result has 347 places, 346 transitions, 706 flow [2023-11-29 02:31:18,666 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=347, PETRI_TRANSITIONS=346} [2023-11-29 02:31:18,666 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -98 predicate places. [2023-11-29 02:31:18,666 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 346 transitions, 706 flow [2023-11-29 02:31:18,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.0) internal successors, (1113), 3 states have internal predecessors, (1113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,666 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:18,667 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] [2023-11-29 02:31:18,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 02:31:18,667 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:18,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:18,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1741465582, now seen corresponding path program 1 times [2023-11-29 02:31:18,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:18,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767906872] [2023-11-29 02:31:18,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:18,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:18,708 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 02:31:18,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:18,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767906872] [2023-11-29 02:31:18,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767906872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:18,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:18,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:18,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648522883] [2023-11-29 02:31:18,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:18,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:18,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:18,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:18,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:18,717 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 483 [2023-11-29 02:31:18,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 346 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:18,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:18,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 483 [2023-11-29 02:31:18,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:19,318 INFO L124 PetriNetUnfolderBase]: 1256/2978 cut-off events. [2023-11-29 02:31:19,318 INFO L125 PetriNetUnfolderBase]: For 83/316 co-relation queries the response was YES. [2023-11-29 02:31:19,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4804 conditions, 2978 events. 1256/2978 cut-off events. For 83/316 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 18701 event pairs, 792 based on Foata normal form. 0/2668 useless extension candidates. Maximal degree in co-relation 4700. Up to 1084 conditions per place. [2023-11-29 02:31:19,333 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 44 selfloop transitions, 2 changer transitions 0/366 dead transitions. [2023-11-29 02:31:19,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 366 transitions, 846 flow [2023-11-29 02:31:19,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:19,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 02:31:19,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8046928916494134 [2023-11-29 02:31:19,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 02:31:19,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 02:31:19,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:19,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 02:31:19,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:19,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:19,341 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:19,342 INFO L175 Difference]: Start difference. First operand has 347 places, 346 transitions, 706 flow. Second operand 3 states and 1166 transitions. [2023-11-29 02:31:19,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 366 transitions, 846 flow [2023-11-29 02:31:19,343 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 366 transitions, 845 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:31:19,348 INFO L231 Difference]: Finished difference. Result has 348 places, 346 transitions, 713 flow [2023-11-29 02:31:19,348 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=348, PETRI_TRANSITIONS=346} [2023-11-29 02:31:19,349 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -97 predicate places. [2023-11-29 02:31:19,349 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 346 transitions, 713 flow [2023-11-29 02:31:19,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:19,349 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:19,349 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] [2023-11-29 02:31:19,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 02:31:19,349 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:19,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:19,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1488887228, now seen corresponding path program 1 times [2023-11-29 02:31:19,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:19,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255964319] [2023-11-29 02:31:19,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:19,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:19,390 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 02:31:19,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:19,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255964319] [2023-11-29 02:31:19,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255964319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:19,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:19,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:19,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092223794] [2023-11-29 02:31:19,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:19,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:19,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:19,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:19,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:19,399 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 483 [2023-11-29 02:31:19,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 346 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:19,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:19,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 483 [2023-11-29 02:31:19,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:20,329 INFO L124 PetriNetUnfolderBase]: 1871/4601 cut-off events. [2023-11-29 02:31:20,329 INFO L125 PetriNetUnfolderBase]: For 420/755 co-relation queries the response was YES. [2023-11-29 02:31:20,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7680 conditions, 4601 events. 1871/4601 cut-off events. For 420/755 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 33595 event pairs, 796 based on Foata normal form. 3/4094 useless extension candidates. Maximal degree in co-relation 7575. Up to 1415 conditions per place. [2023-11-29 02:31:20,354 INFO L140 encePairwiseOnDemand]: 479/483 looper letters, 45 selfloop transitions, 4 changer transitions 0/368 dead transitions. [2023-11-29 02:31:20,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 368 transitions, 868 flow [2023-11-29 02:31:20,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:20,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:20,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1167 transitions. [2023-11-29 02:31:20,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8053830227743272 [2023-11-29 02:31:20,357 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1167 transitions. [2023-11-29 02:31:20,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1167 transitions. [2023-11-29 02:31:20,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:20,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1167 transitions. [2023-11-29 02:31:20,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:20,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:20,363 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:20,363 INFO L175 Difference]: Start difference. First operand has 348 places, 346 transitions, 713 flow. Second operand 3 states and 1167 transitions. [2023-11-29 02:31:20,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 368 transitions, 868 flow [2023-11-29 02:31:20,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 368 transitions, 865 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:31:20,374 INFO L231 Difference]: Finished difference. Result has 350 places, 348 transitions, 741 flow [2023-11-29 02:31:20,374 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=709, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=741, PETRI_PLACES=350, PETRI_TRANSITIONS=348} [2023-11-29 02:31:20,375 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -95 predicate places. [2023-11-29 02:31:20,375 INFO L495 AbstractCegarLoop]: Abstraction has has 350 places, 348 transitions, 741 flow [2023-11-29 02:31:20,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:20,376 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:20,376 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] [2023-11-29 02:31:20,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 02:31:20,376 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:20,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:20,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1492282070, now seen corresponding path program 1 times [2023-11-29 02:31:20,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:20,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802219182] [2023-11-29 02:31:20,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:20,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:20,447 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 02:31:20,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:20,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802219182] [2023-11-29 02:31:20,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802219182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:20,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:20,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:20,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840809483] [2023-11-29 02:31:20,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:20,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:20,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:20,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:20,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:20,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 483 [2023-11-29 02:31:20,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 348 transitions, 741 flow. Second operand has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:20,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:20,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 483 [2023-11-29 02:31:20,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:22,238 INFO L124 PetriNetUnfolderBase]: 3256/7781 cut-off events. [2023-11-29 02:31:22,238 INFO L125 PetriNetUnfolderBase]: For 2834/3325 co-relation queries the response was YES. [2023-11-29 02:31:22,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14110 conditions, 7781 events. 3256/7781 cut-off events. For 2834/3325 co-relation queries the response was YES. Maximal size of possible extension queue 366. Compared 64934 event pairs, 1976 based on Foata normal form. 0/6939 useless extension candidates. Maximal degree in co-relation 14004. Up to 2692 conditions per place. [2023-11-29 02:31:22,286 INFO L140 encePairwiseOnDemand]: 480/483 looper letters, 52 selfloop transitions, 2 changer transitions 0/372 dead transitions. [2023-11-29 02:31:22,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 372 transitions, 931 flow [2023-11-29 02:31:22,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:22,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2023-11-29 02:31:22,290 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8046928916494134 [2023-11-29 02:31:22,290 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2023-11-29 02:31:22,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2023-11-29 02:31:22,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:22,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2023-11-29 02:31:22,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:22,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:22,296 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:22,296 INFO L175 Difference]: Start difference. First operand has 350 places, 348 transitions, 741 flow. Second operand 3 states and 1166 transitions. [2023-11-29 02:31:22,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 372 transitions, 931 flow [2023-11-29 02:31:22,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 372 transitions, 917 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:22,308 INFO L231 Difference]: Finished difference. Result has 350 places, 348 transitions, 741 flow [2023-11-29 02:31:22,308 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=731, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=741, PETRI_PLACES=350, PETRI_TRANSITIONS=348} [2023-11-29 02:31:22,309 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -95 predicate places. [2023-11-29 02:31:22,309 INFO L495 AbstractCegarLoop]: Abstraction has has 350 places, 348 transitions, 741 flow [2023-11-29 02:31:22,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:22,309 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:22,310 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:31:22,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-29 02:31:22,310 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:22,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:22,310 INFO L85 PathProgramCache]: Analyzing trace with hash -435941196, now seen corresponding path program 1 times [2023-11-29 02:31:22,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:22,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949772007] [2023-11-29 02:31:22,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:22,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:22,365 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 02:31:22,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:22,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949772007] [2023-11-29 02:31:22,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949772007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:22,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:22,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:22,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258180770] [2023-11-29 02:31:22,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:22,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:22,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:22,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:22,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:22,374 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 483 [2023-11-29 02:31:22,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 348 transitions, 741 flow. Second operand has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:22,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:22,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 483 [2023-11-29 02:31:22,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:24,477 INFO L124 PetriNetUnfolderBase]: 4475/11090 cut-off events. [2023-11-29 02:31:24,478 INFO L125 PetriNetUnfolderBase]: For 3225/3923 co-relation queries the response was YES. [2023-11-29 02:31:24,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19969 conditions, 11090 events. 4475/11090 cut-off events. For 3225/3923 co-relation queries the response was YES. Maximal size of possible extension queue 503. Compared 100034 event pairs, 1955 based on Foata normal form. 0/9874 useless extension candidates. Maximal degree in co-relation 19862. Up to 3688 conditions per place. [2023-11-29 02:31:24,535 INFO L140 encePairwiseOnDemand]: 479/483 looper letters, 53 selfloop transitions, 4 changer transitions 0/374 dead transitions. [2023-11-29 02:31:24,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 374 transitions, 940 flow [2023-11-29 02:31:24,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:24,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:24,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1167 transitions. [2023-11-29 02:31:24,537 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8053830227743272 [2023-11-29 02:31:24,537 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1167 transitions. [2023-11-29 02:31:24,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1167 transitions. [2023-11-29 02:31:24,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:24,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1167 transitions. [2023-11-29 02:31:24,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:24,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:24,542 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:24,542 INFO L175 Difference]: Start difference. First operand has 350 places, 348 transitions, 741 flow. Second operand 3 states and 1167 transitions. [2023-11-29 02:31:24,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 374 transitions, 940 flow [2023-11-29 02:31:24,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 374 transitions, 937 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 02:31:24,551 INFO L231 Difference]: Finished difference. Result has 352 places, 350 transitions, 769 flow [2023-11-29 02:31:24,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=737, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=769, PETRI_PLACES=352, PETRI_TRANSITIONS=350} [2023-11-29 02:31:24,552 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -93 predicate places. [2023-11-29 02:31:24,552 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 350 transitions, 769 flow [2023-11-29 02:31:24,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:24,552 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:24,552 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:31:24,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-29 02:31:24,553 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:24,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:24,553 INFO L85 PathProgramCache]: Analyzing trace with hash 174942266, now seen corresponding path program 1 times [2023-11-29 02:31:24,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:24,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763865221] [2023-11-29 02:31:24,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:24,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:25,231 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 02:31:25,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:25,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763865221] [2023-11-29 02:31:25,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763865221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:25,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:25,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:25,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100248001] [2023-11-29 02:31:25,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:25,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:31:25,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:25,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:31:25,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:31:25,484 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 359 out of 483 [2023-11-29 02:31:25,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 350 transitions, 769 flow. Second operand has 6 states, 6 states have (on average 360.8333333333333) internal successors, (2165), 6 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:25,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:25,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 359 of 483 [2023-11-29 02:31:25,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:32,779 INFO L124 PetriNetUnfolderBase]: 21295/33311 cut-off events. [2023-11-29 02:31:32,779 INFO L125 PetriNetUnfolderBase]: For 23820/23820 co-relation queries the response was YES. [2023-11-29 02:31:32,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76238 conditions, 33311 events. 21295/33311 cut-off events. For 23820/23820 co-relation queries the response was YES. Maximal size of possible extension queue 1108. Compared 228414 event pairs, 2052 based on Foata normal form. 0/32141 useless extension candidates. Maximal degree in co-relation 76129. Up to 9785 conditions per place. [2023-11-29 02:31:33,032 INFO L140 encePairwiseOnDemand]: 478/483 looper letters, 129 selfloop transitions, 4 changer transitions 0/437 dead transitions. [2023-11-29 02:31:33,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 437 transitions, 1393 flow [2023-11-29 02:31:33,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:31:33,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:31:33,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2248 transitions. [2023-11-29 02:31:33,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7757073844030365 [2023-11-29 02:31:33,038 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2248 transitions. [2023-11-29 02:31:33,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2248 transitions. [2023-11-29 02:31:33,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:33,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2248 transitions. [2023-11-29 02:31:33,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 374.6666666666667) internal successors, (2248), 6 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:33,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 483.0) internal successors, (3381), 7 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:33,048 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 483.0) internal successors, (3381), 7 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:33,048 INFO L175 Difference]: Start difference. First operand has 352 places, 350 transitions, 769 flow. Second operand 6 states and 2248 transitions. [2023-11-29 02:31:33,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 437 transitions, 1393 flow [2023-11-29 02:31:33,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 437 transitions, 1361 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 02:31:33,068 INFO L231 Difference]: Finished difference. Result has 354 places, 349 transitions, 767 flow [2023-11-29 02:31:33,069 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=767, PETRI_PLACES=354, PETRI_TRANSITIONS=349} [2023-11-29 02:31:33,069 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -91 predicate places. [2023-11-29 02:31:33,069 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 349 transitions, 767 flow [2023-11-29 02:31:33,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 360.8333333333333) internal successors, (2165), 6 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:33,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:33,070 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] [2023-11-29 02:31:33,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-29 02:31:33,070 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:33,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:33,071 INFO L85 PathProgramCache]: Analyzing trace with hash 150580743, now seen corresponding path program 1 times [2023-11-29 02:31:33,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:33,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071304552] [2023-11-29 02:31:33,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:33,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:33,771 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 02:31:33,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:33,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071304552] [2023-11-29 02:31:33,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071304552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:33,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:33,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:33,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920965970] [2023-11-29 02:31:33,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:33,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:31:33,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:33,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:31:33,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:31:34,039 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 359 out of 483 [2023-11-29 02:31:34,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 349 transitions, 767 flow. Second operand has 6 states, 6 states have (on average 361.1666666666667) internal successors, (2167), 6 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:34,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:34,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 359 of 483 [2023-11-29 02:31:34,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:37,858 INFO L124 PetriNetUnfolderBase]: 8390/16122 cut-off events. [2023-11-29 02:31:37,858 INFO L125 PetriNetUnfolderBase]: For 8541/8941 co-relation queries the response was YES. [2023-11-29 02:31:37,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33766 conditions, 16122 events. 8390/16122 cut-off events. For 8541/8941 co-relation queries the response was YES. Maximal size of possible extension queue 527. Compared 126441 event pairs, 2539 based on Foata normal form. 0/14965 useless extension candidates. Maximal degree in co-relation 33657. Up to 5746 conditions per place. [2023-11-29 02:31:37,954 INFO L140 encePairwiseOnDemand]: 478/483 looper letters, 109 selfloop transitions, 4 changer transitions 0/416 dead transitions. [2023-11-29 02:31:37,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 416 transitions, 1271 flow [2023-11-29 02:31:37,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:31:37,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:31:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2232 transitions. [2023-11-29 02:31:37,958 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7701863354037267 [2023-11-29 02:31:37,958 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2232 transitions. [2023-11-29 02:31:37,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2232 transitions. [2023-11-29 02:31:37,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:37,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2232 transitions. [2023-11-29 02:31:37,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 372.0) internal successors, (2232), 6 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:37,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 483.0) internal successors, (3381), 7 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:37,966 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 483.0) internal successors, (3381), 7 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:37,966 INFO L175 Difference]: Start difference. First operand has 354 places, 349 transitions, 767 flow. Second operand 6 states and 2232 transitions. [2023-11-29 02:31:37,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 416 transitions, 1271 flow [2023-11-29 02:31:37,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 416 transitions, 1264 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:31:37,974 INFO L231 Difference]: Finished difference. Result has 354 places, 348 transitions, 766 flow [2023-11-29 02:31:37,974 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=766, PETRI_PLACES=354, PETRI_TRANSITIONS=348} [2023-11-29 02:31:37,974 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -91 predicate places. [2023-11-29 02:31:37,974 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 348 transitions, 766 flow [2023-11-29 02:31:37,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 361.1666666666667) internal successors, (2167), 6 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:37,975 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:37,975 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] [2023-11-29 02:31:37,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-29 02:31:37,975 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:37,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:37,976 INFO L85 PathProgramCache]: Analyzing trace with hash 10590554, now seen corresponding path program 1 times [2023-11-29 02:31:37,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:37,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599245280] [2023-11-29 02:31:37,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:37,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:38,478 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 02:31:38,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:38,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599245280] [2023-11-29 02:31:38,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599245280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:38,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:38,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:38,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947882093] [2023-11-29 02:31:38,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:38,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:31:38,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:38,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:31:38,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:31:38,688 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 359 out of 483 [2023-11-29 02:31:38,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 348 transitions, 766 flow. Second operand has 6 states, 6 states have (on average 361.5) internal successors, (2169), 6 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:38,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:38,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 359 of 483 [2023-11-29 02:31:38,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:41,357 INFO L124 PetriNetUnfolderBase]: 5285/11887 cut-off events. [2023-11-29 02:31:41,357 INFO L125 PetriNetUnfolderBase]: For 5766/6292 co-relation queries the response was YES. [2023-11-29 02:31:41,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23651 conditions, 11887 events. 5285/11887 cut-off events. For 5766/6292 co-relation queries the response was YES. Maximal size of possible extension queue 527. Compared 102812 event pairs, 2629 based on Foata normal form. 0/10737 useless extension candidates. Maximal degree in co-relation 23542. Up to 5989 conditions per place. [2023-11-29 02:31:41,433 INFO L140 encePairwiseOnDemand]: 478/483 looper letters, 89 selfloop transitions, 4 changer transitions 0/395 dead transitions. [2023-11-29 02:31:41,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 395 transitions, 1174 flow [2023-11-29 02:31:41,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:31:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:31:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2216 transitions. [2023-11-29 02:31:41,439 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7646652864044169 [2023-11-29 02:31:41,439 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2216 transitions. [2023-11-29 02:31:41,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2216 transitions. [2023-11-29 02:31:41,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:41,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2216 transitions. [2023-11-29 02:31:41,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 369.3333333333333) internal successors, (2216), 6 states have internal predecessors, (2216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:41,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 483.0) internal successors, (3381), 7 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:41,450 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 483.0) internal successors, (3381), 7 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:41,450 INFO L175 Difference]: Start difference. First operand has 354 places, 348 transitions, 766 flow. Second operand 6 states and 2216 transitions. [2023-11-29 02:31:41,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 395 transitions, 1174 flow [2023-11-29 02:31:41,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 395 transitions, 1167 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:31:41,463 INFO L231 Difference]: Finished difference. Result has 354 places, 347 transitions, 765 flow [2023-11-29 02:31:41,463 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=757, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=765, PETRI_PLACES=354, PETRI_TRANSITIONS=347} [2023-11-29 02:31:41,464 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -91 predicate places. [2023-11-29 02:31:41,464 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 347 transitions, 765 flow [2023-11-29 02:31:41,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 361.5) internal successors, (2169), 6 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:41,465 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:41,465 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] [2023-11-29 02:31:41,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-29 02:31:41,465 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:41,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:41,466 INFO L85 PathProgramCache]: Analyzing trace with hash -296506723, now seen corresponding path program 1 times [2023-11-29 02:31:41,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:41,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804927818] [2023-11-29 02:31:41,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:41,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:42,208 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 02:31:42,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:42,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804927818] [2023-11-29 02:31:42,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804927818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:42,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:42,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:31:42,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703264702] [2023-11-29 02:31:42,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:42,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:31:42,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:42,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:31:42,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 02:31:42,414 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 359 out of 483 [2023-11-29 02:31:42,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 347 transitions, 765 flow. Second operand has 6 states, 6 states have (on average 361.8333333333333) internal successors, (2171), 6 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:42,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:42,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 359 of 483 [2023-11-29 02:31:42,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:44,870 INFO L124 PetriNetUnfolderBase]: 4655/10984 cut-off events. [2023-11-29 02:31:44,870 INFO L125 PetriNetUnfolderBase]: For 4946/5517 co-relation queries the response was YES. [2023-11-29 02:31:44,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21347 conditions, 10984 events. 4655/10984 cut-off events. For 4946/5517 co-relation queries the response was YES. Maximal size of possible extension queue 527. Compared 98101 event pairs, 2649 based on Foata normal form. 0/9886 useless extension candidates. Maximal degree in co-relation 21238. Up to 6061 conditions per place. [2023-11-29 02:31:44,965 INFO L140 encePairwiseOnDemand]: 478/483 looper letters, 65 selfloop transitions, 4 changer transitions 0/370 dead transitions. [2023-11-29 02:31:44,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 370 transitions, 1013 flow [2023-11-29 02:31:44,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 02:31:44,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 02:31:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2204 transitions. [2023-11-29 02:31:44,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7605244996549344 [2023-11-29 02:31:44,971 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2204 transitions. [2023-11-29 02:31:44,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2204 transitions. [2023-11-29 02:31:44,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:44,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2204 transitions. [2023-11-29 02:31:44,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 367.3333333333333) internal successors, (2204), 6 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:44,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 483.0) internal successors, (3381), 7 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:44,978 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 483.0) internal successors, (3381), 7 states have internal predecessors, (3381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:44,978 INFO L175 Difference]: Start difference. First operand has 354 places, 347 transitions, 765 flow. Second operand 6 states and 2204 transitions. [2023-11-29 02:31:44,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 370 transitions, 1013 flow [2023-11-29 02:31:44,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 370 transitions, 1006 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:31:44,987 INFO L231 Difference]: Finished difference. Result has 354 places, 346 transitions, 764 flow [2023-11-29 02:31:44,987 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=764, PETRI_PLACES=354, PETRI_TRANSITIONS=346} [2023-11-29 02:31:44,987 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -91 predicate places. [2023-11-29 02:31:44,987 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 346 transitions, 764 flow [2023-11-29 02:31:44,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 361.8333333333333) internal successors, (2171), 6 states have internal predecessors, (2171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:44,988 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 02:31:44,988 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] [2023-11-29 02:31:44,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-29 02:31:44,988 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 169 more)] === [2023-11-29 02:31:44,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:31:44,989 INFO L85 PathProgramCache]: Analyzing trace with hash 185073179, now seen corresponding path program 1 times [2023-11-29 02:31:44,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:31:44,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055337444] [2023-11-29 02:31:44,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:31:44,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:31:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:31:45,122 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 02:31:45,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:31:45,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055337444] [2023-11-29 02:31:45,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055337444] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:31:45,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:31:45,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:31:45,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464613880] [2023-11-29 02:31:45,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:31:45,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:31:45,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:31:45,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:31:45,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:31:45,136 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 374 out of 483 [2023-11-29 02:31:45,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 346 transitions, 764 flow. Second operand has 3 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:45,137 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 02:31:45,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 374 of 483 [2023-11-29 02:31:45,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 02:31:47,357 INFO L124 PetriNetUnfolderBase]: 4475/10768 cut-off events. [2023-11-29 02:31:47,357 INFO L125 PetriNetUnfolderBase]: For 4722/5297 co-relation queries the response was YES. [2023-11-29 02:31:47,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20649 conditions, 10768 events. 4475/10768 cut-off events. For 4722/5297 co-relation queries the response was YES. Maximal size of possible extension queue 527. Compared 97100 event pairs, 2649 based on Foata normal form. 16/9690 useless extension candidates. Maximal degree in co-relation 20542. Up to 6067 conditions per place. [2023-11-29 02:31:47,395 INFO L140 encePairwiseOnDemand]: 481/483 looper letters, 0 selfloop transitions, 0 changer transitions 345/345 dead transitions. [2023-11-29 02:31:47,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 345 transitions, 824 flow [2023-11-29 02:31:47,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:31:47,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 02:31:47,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1146 transitions. [2023-11-29 02:31:47,399 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7908902691511387 [2023-11-29 02:31:47,399 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1146 transitions. [2023-11-29 02:31:47,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1146 transitions. [2023-11-29 02:31:47,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 02:31:47,399 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1146 transitions. [2023-11-29 02:31:47,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:47,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:47,403 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 483.0) internal successors, (1932), 4 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:47,403 INFO L175 Difference]: Start difference. First operand has 354 places, 346 transitions, 764 flow. Second operand 3 states and 1146 transitions. [2023-11-29 02:31:47,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 345 transitions, 824 flow [2023-11-29 02:31:47,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 345 transitions, 817 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 02:31:47,408 INFO L231 Difference]: Finished difference. Result has 351 places, 0 transitions, 0 flow [2023-11-29 02:31:47,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=483, PETRI_DIFFERENCE_MINUEND_FLOW=755, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=351, PETRI_TRANSITIONS=0} [2023-11-29 02:31:47,409 INFO L281 CegarLoopForPetriNet]: 445 programPoint places, -94 predicate places. [2023-11-29 02:31:47,409 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 0 transitions, 0 flow [2023-11-29 02:31:47,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 378.6666666666667) internal successors, (1136), 3 states have internal predecessors, (1136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 02:31:47,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (172 of 173 remaining) [2023-11-29 02:31:47,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (171 of 173 remaining) [2023-11-29 02:31:47,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (170 of 173 remaining) [2023-11-29 02:31:47,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (169 of 173 remaining) [2023-11-29 02:31:47,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (168 of 173 remaining) [2023-11-29 02:31:47,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (167 of 173 remaining) [2023-11-29 02:31:47,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (166 of 173 remaining) [2023-11-29 02:31:47,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (165 of 173 remaining) [2023-11-29 02:31:47,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (164 of 173 remaining) [2023-11-29 02:31:47,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (163 of 173 remaining) [2023-11-29 02:31:47,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (162 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (161 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (160 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (159 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (158 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (157 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (156 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (155 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (154 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (153 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (152 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (151 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (150 of 173 remaining) [2023-11-29 02:31:47,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (149 of 173 remaining) [2023-11-29 02:31:47,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (148 of 173 remaining) [2023-11-29 02:31:47,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (147 of 173 remaining) [2023-11-29 02:31:47,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (146 of 173 remaining) [2023-11-29 02:31:47,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (145 of 173 remaining) [2023-11-29 02:31:47,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (144 of 173 remaining) [2023-11-29 02:31:47,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (143 of 173 remaining) [2023-11-29 02:31:47,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (142 of 173 remaining) [2023-11-29 02:31:47,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (141 of 173 remaining) [2023-11-29 02:31:47,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (140 of 173 remaining) [2023-11-29 02:31:47,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (139 of 173 remaining) [2023-11-29 02:31:47,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (138 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (137 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (136 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (135 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (134 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (133 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (132 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (131 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (130 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (129 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (128 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (127 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (126 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (125 of 173 remaining) [2023-11-29 02:31:47,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (124 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (123 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (122 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (121 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (120 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (119 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (118 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (117 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (116 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (115 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (114 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (113 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (112 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (111 of 173 remaining) [2023-11-29 02:31:47,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (110 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (109 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (108 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (107 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (106 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (105 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (104 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (103 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (102 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (101 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (100 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (99 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (98 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (97 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (96 of 173 remaining) [2023-11-29 02:31:47,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (95 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (94 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (93 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (92 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (91 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (90 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (89 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (88 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (87 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (86 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (85 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (84 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (83 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (82 of 173 remaining) [2023-11-29 02:31:47,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (81 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (80 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (79 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (78 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (77 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (76 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (75 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (74 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (73 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (72 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (71 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (70 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (69 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (68 of 173 remaining) [2023-11-29 02:31:47,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (67 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (66 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (65 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (64 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (63 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (62 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (61 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (60 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (59 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (58 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (57 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (56 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (55 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (54 of 173 remaining) [2023-11-29 02:31:47,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (53 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (52 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (51 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (50 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (49 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (48 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (47 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (46 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (45 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (44 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (43 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (42 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (41 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (40 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 173 remaining) [2023-11-29 02:31:47,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (33 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (32 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (30 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (29 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (28 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (27 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (26 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (25 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (24 of 173 remaining) [2023-11-29 02:31:47,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (23 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (22 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (21 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (20 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (19 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (18 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (17 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (16 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (15 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (14 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (13 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (12 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (11 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (10 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (9 of 173 remaining) [2023-11-29 02:31:47,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (8 of 173 remaining) [2023-11-29 02:31:47,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (7 of 173 remaining) [2023-11-29 02:31:47,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (6 of 173 remaining) [2023-11-29 02:31:47,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (5 of 173 remaining) [2023-11-29 02:31:47,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (4 of 173 remaining) [2023-11-29 02:31:47,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (3 of 173 remaining) [2023-11-29 02:31:47,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (2 of 173 remaining) [2023-11-29 02:31:47,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (1 of 173 remaining) [2023-11-29 02:31:47,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (0 of 173 remaining) [2023-11-29 02:31:47,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-29 02:31:47,424 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 02:31:47,431 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 02:31:47,431 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:31:47,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:31:47 BasicIcfg [2023-11-29 02:31:47,436 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:31:47,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:31:47,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:31:47,436 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:31:47,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:31:07" (3/4) ... [2023-11-29 02:31:47,438 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 02:31:47,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 02:31:47,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 02:31:47,440 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-29 02:31:47,441 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-29 02:31:47,451 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-29 02:31:47,452 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 02:31:47,453 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 02:31:47,454 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 02:31:47,549 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 02:31:47,550 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 02:31:47,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:31:47,551 INFO L158 Benchmark]: Toolchain (without parser) took 42227.23ms. Allocated memory was 176.2MB in the beginning and 6.2GB in the end (delta: 6.0GB). Free memory was 141.8MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-11-29 02:31:47,551 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:31:47,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.49ms. Allocated memory is still 176.2MB. Free memory was 141.2MB in the beginning and 126.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:31:47,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.32ms. Allocated memory is still 176.2MB. Free memory was 126.7MB in the beginning and 122.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:31:47,552 INFO L158 Benchmark]: Boogie Preprocessor took 62.81ms. Allocated memory is still 176.2MB. Free memory was 122.5MB in the beginning and 118.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:31:47,553 INFO L158 Benchmark]: RCFGBuilder took 1703.42ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 118.9MB in the beginning and 205.1MB in the end (delta: -86.2MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2023-11-29 02:31:47,553 INFO L158 Benchmark]: TraceAbstraction took 39963.04ms. Allocated memory was 268.4MB in the beginning and 6.2GB in the end (delta: 5.9GB). Free memory was 204.0MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-11-29 02:31:47,554 INFO L158 Benchmark]: Witness Printer took 113.73ms. Allocated memory is still 6.2GB. Free memory was 4.4GB in the beginning and 4.4GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 02:31:47,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 176.2MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.49ms. Allocated memory is still 176.2MB. Free memory was 141.2MB in the beginning and 126.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.32ms. Allocated memory is still 176.2MB. Free memory was 126.7MB in the beginning and 122.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.81ms. Allocated memory is still 176.2MB. Free memory was 122.5MB in the beginning and 118.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1703.42ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 118.9MB in the beginning and 205.1MB in the end (delta: -86.2MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * TraceAbstraction took 39963.04ms. Allocated memory was 268.4MB in the beginning and 6.2GB in the end (delta: 5.9GB). Free memory was 204.0MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 113.73ms. Allocated memory is still 6.2GB. Free memory was 4.4GB in the beginning and 4.4GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 165]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 165]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 153]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 569 locations, 173 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 39.8s, OverallIterations: 26, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1047 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 632 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 332 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2763 IncrementalHoareTripleChecker+Invalid, 3095 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 332 mSolverCounterUnsat, 61 mSDtfsCounter, 2763 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=932occurred in iteration=0, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 3764 NumberOfCodeBlocks, 3764 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 3738 ConstructedInterpolants, 0 QuantifiedInterpolants, 4219 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 99 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 02:31:47,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4f6f31b-9976-4700-9a98-8f06a409157c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE