./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_safe-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/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_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/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_63022f55-2293-4676-89b2-5a1ad5fe98b1/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 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:50:24,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:50:24,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:50:24,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:50:24,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:50:24,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:50:24,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:50:24,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:50:24,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:50:24,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:50:24,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:50:24,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:50:24,486 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:50:24,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:50:24,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:50:24,487 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:50:24,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:50:24,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:50:24,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:50:24,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:50:24,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:50:24,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:50:24,491 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:50:24,491 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:50:24,491 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:50:24,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:50:24,492 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:50:24,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:50:24,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:50:24,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:50:24,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:50:24,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:50:24,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:50:24,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:50:24,495 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:50:24,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:50:24,495 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:50:24,496 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:50:24,496 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:50:24,496 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:50:24,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:50:24,496 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_63022f55-2293-4676-89b2-5a1ad5fe98b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 [2023-11-29 04:50:24,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:50:24,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:50:24,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:50:24,751 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:50:24,752 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:50:24,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread/fib_safe-10.i [2023-11-29 04:50:27,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:50:27,659 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:50:27,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/sv-benchmarks/c/pthread/fib_safe-10.i [2023-11-29 04:50:27,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/data/0eaa797f5/846c6a40dc494d879977d8ebcbf7a48a/FLAG9f6fe7877 [2023-11-29 04:50:27,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/data/0eaa797f5/846c6a40dc494d879977d8ebcbf7a48a [2023-11-29 04:50:27,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:50:27,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:50:27,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:50:27,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:50:27,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:50:27,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:50:27" (1/1) ... [2023-11-29 04:50:27,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492a0c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:27, skipping insertion in model container [2023-11-29 04:50:27,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:50:27" (1/1) ... [2023-11-29 04:50:27,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:50:28,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:50:28,056 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:50:28,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:50:28,117 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:50:28,117 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:50:28,123 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:50:28,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28 WrapperNode [2023-11-29 04:50:28,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:50:28,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:50:28,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:50:28,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:50:28,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (1/1) ... [2023-11-29 04:50:28,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (1/1) ... [2023-11-29 04:50:28,163 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127 [2023-11-29 04:50:28,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:50:28,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:50:28,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:50:28,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:50:28,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (1/1) ... [2023-11-29 04:50:28,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (1/1) ... [2023-11-29 04:50:28,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (1/1) ... [2023-11-29 04:50:28,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (1/1) ... [2023-11-29 04:50:28,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (1/1) ... [2023-11-29 04:50:28,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (1/1) ... [2023-11-29 04:50:28,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (1/1) ... [2023-11-29 04:50:28,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (1/1) ... [2023-11-29 04:50:28,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:50:28,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:50:28,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:50:28,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:50:28,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (1/1) ... [2023-11-29 04:50:28,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:50:28,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:50:28,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:50:28,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:50:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-29 04:50:28,257 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-29 04:50:28,257 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-29 04:50:28,258 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-29 04:50:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:50:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 04:50:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:50:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:50:28,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:50:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:50:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 04:50:28,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:50:28,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:50:28,261 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 04:50:28,398 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:50:28,401 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:50:28,646 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:50:28,724 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:50:28,724 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 04:50:28,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:50:28 BoogieIcfgContainer [2023-11-29 04:50:28,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:50:28,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:50:28,730 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:50:28,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:50:28,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:50:27" (1/3) ... [2023-11-29 04:50:28,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d64f8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:50:28, skipping insertion in model container [2023-11-29 04:50:28,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:50:28" (2/3) ... [2023-11-29 04:50:28,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d64f8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:50:28, skipping insertion in model container [2023-11-29 04:50:28,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:50:28" (3/3) ... [2023-11-29 04:50:28,735 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-10.i [2023-11-29 04:50:28,744 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:50:28,753 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:50:28,753 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-11-29 04:50:28,753 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:50:28,803 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 04:50:28,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 187 places, 188 transitions, 384 flow [2023-11-29 04:50:28,908 INFO L124 PetriNetUnfolderBase]: 8/186 cut-off events. [2023-11-29 04:50:28,908 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:28,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 186 events. 8/186 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 369 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 160. Up to 2 conditions per place. [2023-11-29 04:50:28,915 INFO L82 GeneralOperation]: Start removeDead. Operand has 187 places, 188 transitions, 384 flow [2023-11-29 04:50:28,922 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 186 transitions, 378 flow [2023-11-29 04:50:28,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:50:28,938 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;@1b60c5e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:50:28,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2023-11-29 04:50:28,945 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:50:28,946 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2023-11-29 04:50:28,946 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:28,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:28,947 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] [2023-11-29 04:50:28,947 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:28,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:28,951 INFO L85 PathProgramCache]: Analyzing trace with hash -955920759, now seen corresponding path program 1 times [2023-11-29 04:50:28,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:28,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377745702] [2023-11-29 04:50:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:28,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:29,135 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 04:50:29,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:29,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377745702] [2023-11-29 04:50:29,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377745702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:29,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:29,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 04:50:29,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383801956] [2023-11-29 04:50:29,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:29,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:50:29,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:29,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:50:29,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:50:29,175 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 188 [2023-11-29 04:50:29,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 186 transitions, 378 flow. Second operand has 2 states, 2 states have (on average 165.5) internal successors, (331), 2 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:29,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 188 [2023-11-29 04:50:29,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:29,336 INFO L124 PetriNetUnfolderBase]: 13/325 cut-off events. [2023-11-29 04:50:29,336 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-29 04:50:29,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 325 events. 13/325 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1189 event pairs, 6 based on Foata normal form. 22/293 useless extension candidates. Maximal degree in co-relation 320. Up to 21 conditions per place. [2023-11-29 04:50:29,343 INFO L140 encePairwiseOnDemand]: 173/188 looper letters, 7 selfloop transitions, 0 changer transitions 0/168 dead transitions. [2023-11-29 04:50:29,343 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 168 transitions, 356 flow [2023-11-29 04:50:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:50:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 04:50:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 352 transitions. [2023-11-29 04:50:29,355 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9361702127659575 [2023-11-29 04:50:29,356 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 352 transitions. [2023-11-29 04:50:29,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 352 transitions. [2023-11-29 04:50:29,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:29,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 352 transitions. [2023-11-29 04:50:29,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 176.0) internal successors, (352), 2 states have internal predecessors, (352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,369 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 188.0) internal successors, (564), 3 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,371 INFO L175 Difference]: Start difference. First operand has 185 places, 186 transitions, 378 flow. Second operand 2 states and 352 transitions. [2023-11-29 04:50:29,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 168 transitions, 356 flow [2023-11-29 04:50:29,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 168 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:29,378 INFO L231 Difference]: Finished difference. Result has 171 places, 168 transitions, 340 flow [2023-11-29 04:50:29,380 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=340, PETRI_PLACES=171, PETRI_TRANSITIONS=168} [2023-11-29 04:50:29,383 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -14 predicate places. [2023-11-29 04:50:29,383 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 168 transitions, 340 flow [2023-11-29 04:50:29,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 165.5) internal successors, (331), 2 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,384 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:29,384 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:50:29,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:50:29,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:29,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:29,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1650954230, now seen corresponding path program 1 times [2023-11-29 04:50:29,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:29,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376589529] [2023-11-29 04:50:29,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:29,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:29,482 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 04:50:29,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:29,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376589529] [2023-11-29 04:50:29,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376589529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:29,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:29,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:29,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368493586] [2023-11-29 04:50:29,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:29,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:29,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:29,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:29,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:29,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2023-11-29 04:50:29,514 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 168 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,514 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:29,514 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2023-11-29 04:50:29,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:29,591 INFO L124 PetriNetUnfolderBase]: 56/421 cut-off events. [2023-11-29 04:50:29,591 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:29,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 541 conditions, 421 events. 56/421 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2028 event pairs, 31 based on Foata normal form. 0/338 useless extension candidates. Maximal degree in co-relation 538. Up to 76 conditions per place. [2023-11-29 04:50:29,598 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 15 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2023-11-29 04:50:29,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 170 transitions, 380 flow [2023-11-29 04:50:29,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:29,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2023-11-29 04:50:29,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8670212765957447 [2023-11-29 04:50:29,603 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2023-11-29 04:50:29,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2023-11-29 04:50:29,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:29,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2023-11-29 04:50:29,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,609 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,610 INFO L175 Difference]: Start difference. First operand has 171 places, 168 transitions, 340 flow. Second operand 3 states and 489 transitions. [2023-11-29 04:50:29,610 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 170 transitions, 380 flow [2023-11-29 04:50:29,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 170 transitions, 380 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:50:29,615 INFO L231 Difference]: Finished difference. Result has 172 places, 167 transitions, 342 flow [2023-11-29 04:50:29,615 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=172, PETRI_TRANSITIONS=167} [2023-11-29 04:50:29,616 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -13 predicate places. [2023-11-29 04:50:29,616 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 167 transitions, 342 flow [2023-11-29 04:50:29,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,617 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:29,617 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] [2023-11-29 04:50:29,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:50:29,618 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:29,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:29,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1907491749, now seen corresponding path program 1 times [2023-11-29 04:50:29,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:29,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613700742] [2023-11-29 04:50:29,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:29,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:29,685 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 04:50:29,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:29,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613700742] [2023-11-29 04:50:29,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613700742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:29,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:29,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:29,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777692602] [2023-11-29 04:50:29,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:29,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:29,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:29,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:29,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:29,705 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2023-11-29 04:50:29,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 167 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:29,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2023-11-29 04:50:29,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:29,843 INFO L124 PetriNetUnfolderBase]: 57/450 cut-off events. [2023-11-29 04:50:29,843 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 04:50:29,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 450 events. 57/450 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2275 event pairs, 24 based on Foata normal form. 0/371 useless extension candidates. Maximal degree in co-relation 570. Up to 61 conditions per place. [2023-11-29 04:50:29,848 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 14 selfloop transitions, 2 changer transitions 0/168 dead transitions. [2023-11-29 04:50:29,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 168 transitions, 378 flow [2023-11-29 04:50:29,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:29,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:29,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2023-11-29 04:50:29,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8670212765957447 [2023-11-29 04:50:29,851 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2023-11-29 04:50:29,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2023-11-29 04:50:29,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:29,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2023-11-29 04:50:29,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,857 INFO L175 Difference]: Start difference. First operand has 172 places, 167 transitions, 342 flow. Second operand 3 states and 489 transitions. [2023-11-29 04:50:29,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 168 transitions, 378 flow [2023-11-29 04:50:29,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 168 transitions, 374 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:29,862 INFO L231 Difference]: Finished difference. Result has 170 places, 165 transitions, 338 flow [2023-11-29 04:50:29,862 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=338, PETRI_PLACES=170, PETRI_TRANSITIONS=165} [2023-11-29 04:50:29,863 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -15 predicate places. [2023-11-29 04:50:29,863 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 165 transitions, 338 flow [2023-11-29 04:50:29,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,864 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:29,864 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] [2023-11-29 04:50:29,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:50:29,865 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:29,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:29,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1873020234, now seen corresponding path program 1 times [2023-11-29 04:50:29,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:29,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561537349] [2023-11-29 04:50:29,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:29,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:29,926 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 04:50:29,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:29,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561537349] [2023-11-29 04:50:29,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561537349] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:29,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:29,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:29,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657436414] [2023-11-29 04:50:29,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:29,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:29,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:29,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:29,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:29,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2023-11-29 04:50:29,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 165 transitions, 338 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:29,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:29,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2023-11-29 04:50:29,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:30,024 INFO L124 PetriNetUnfolderBase]: 41/354 cut-off events. [2023-11-29 04:50:30,024 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:30,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 354 events. 41/354 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1712 event pairs, 26 based on Foata normal form. 0/292 useless extension candidates. Maximal degree in co-relation 436. Up to 59 conditions per place. [2023-11-29 04:50:30,028 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 14 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2023-11-29 04:50:30,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 166 transitions, 372 flow [2023-11-29 04:50:30,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2023-11-29 04:50:30,030 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8652482269503546 [2023-11-29 04:50:30,030 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:30,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,034 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,035 INFO L175 Difference]: Start difference. First operand has 170 places, 165 transitions, 338 flow. Second operand 3 states and 488 transitions. [2023-11-29 04:50:30,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 166 transitions, 372 flow [2023-11-29 04:50:30,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 166 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:30,038 INFO L231 Difference]: Finished difference. Result has 169 places, 164 transitions, 336 flow [2023-11-29 04:50:30,038 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=169, PETRI_TRANSITIONS=164} [2023-11-29 04:50:30,039 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -16 predicate places. [2023-11-29 04:50:30,039 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 164 transitions, 336 flow [2023-11-29 04:50:30,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,040 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:30,040 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 04:50:30,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:50:30,041 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:30,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:30,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1068756433, now seen corresponding path program 1 times [2023-11-29 04:50:30,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:30,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842122782] [2023-11-29 04:50:30,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:30,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:30,088 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 04:50:30,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:30,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842122782] [2023-11-29 04:50:30,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842122782] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:30,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:30,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:30,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874120411] [2023-11-29 04:50:30,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:30,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:30,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:30,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:30,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:30,108 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2023-11-29 04:50:30,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 164 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:30,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2023-11-29 04:50:30,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:30,171 INFO L124 PetriNetUnfolderBase]: 37/340 cut-off events. [2023-11-29 04:50:30,171 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 04:50:30,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 340 events. 37/340 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1597 event pairs, 10 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 420. Up to 40 conditions per place. [2023-11-29 04:50:30,175 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 13 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2023-11-29 04:50:30,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 164 transitions, 366 flow [2023-11-29 04:50:30,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:30,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2023-11-29 04:50:30,177 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8652482269503546 [2023-11-29 04:50:30,177 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:30,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,183 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,183 INFO L175 Difference]: Start difference. First operand has 169 places, 164 transitions, 336 flow. Second operand 3 states and 488 transitions. [2023-11-29 04:50:30,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 164 transitions, 366 flow [2023-11-29 04:50:30,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:30,186 INFO L231 Difference]: Finished difference. Result has 167 places, 162 transitions, 332 flow [2023-11-29 04:50:30,186 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=167, PETRI_TRANSITIONS=162} [2023-11-29 04:50:30,187 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -18 predicate places. [2023-11-29 04:50:30,187 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 162 transitions, 332 flow [2023-11-29 04:50:30,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,188 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:30,188 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 04:50:30,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:50:30,188 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:30,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:30,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1554255916, now seen corresponding path program 1 times [2023-11-29 04:50:30,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:30,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447619568] [2023-11-29 04:50:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:30,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:30,229 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 04:50:30,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:30,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447619568] [2023-11-29 04:50:30,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447619568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:30,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:30,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:30,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014574600] [2023-11-29 04:50:30,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:30,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:30,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:30,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:30,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:30,252 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 188 [2023-11-29 04:50:30,253 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 162 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,253 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:30,253 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 188 [2023-11-29 04:50:30,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:30,326 INFO L124 PetriNetUnfolderBase]: 65/518 cut-off events. [2023-11-29 04:50:30,327 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:30,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 642 conditions, 518 events. 65/518 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2807 event pairs, 24 based on Foata normal form. 0/443 useless extension candidates. Maximal degree in co-relation 638. Up to 87 conditions per place. [2023-11-29 04:50:30,331 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 16 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2023-11-29 04:50:30,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 370 flow [2023-11-29 04:50:30,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:30,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 484 transitions. [2023-11-29 04:50:30,334 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8581560283687943 [2023-11-29 04:50:30,334 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 484 transitions. [2023-11-29 04:50:30,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 484 transitions. [2023-11-29 04:50:30,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:30,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 484 transitions. [2023-11-29 04:50:30,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,338 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,338 INFO L175 Difference]: Start difference. First operand has 167 places, 162 transitions, 332 flow. Second operand 3 states and 484 transitions. [2023-11-29 04:50:30,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 370 flow [2023-11-29 04:50:30,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 163 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:30,341 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 330 flow [2023-11-29 04:50:30,341 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2023-11-29 04:50:30,342 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -19 predicate places. [2023-11-29 04:50:30,342 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 330 flow [2023-11-29 04:50:30,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,343 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:30,343 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] [2023-11-29 04:50:30,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:50:30,343 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:30,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:30,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1204834406, now seen corresponding path program 1 times [2023-11-29 04:50:30,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:30,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255383405] [2023-11-29 04:50:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:30,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:30,382 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 04:50:30,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:30,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255383405] [2023-11-29 04:50:30,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255383405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:30,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:30,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:30,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839609272] [2023-11-29 04:50:30,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:30,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:30,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:30,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:30,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:30,400 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2023-11-29 04:50:30,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:30,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2023-11-29 04:50:30,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:30,464 INFO L124 PetriNetUnfolderBase]: 37/444 cut-off events. [2023-11-29 04:50:30,464 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 04:50:30,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 444 events. 37/444 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2180 event pairs, 10 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 524. Up to 40 conditions per place. [2023-11-29 04:50:30,467 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 13 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2023-11-29 04:50:30,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 161 transitions, 360 flow [2023-11-29 04:50:30,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:30,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2023-11-29 04:50:30,470 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8652482269503546 [2023-11-29 04:50:30,470 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:30,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,473 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,473 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 330 flow. Second operand 3 states and 488 transitions. [2023-11-29 04:50:30,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 161 transitions, 360 flow [2023-11-29 04:50:30,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:30,476 INFO L231 Difference]: Finished difference. Result has 164 places, 159 transitions, 326 flow [2023-11-29 04:50:30,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=164, PETRI_TRANSITIONS=159} [2023-11-29 04:50:30,478 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -21 predicate places. [2023-11-29 04:50:30,478 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 159 transitions, 326 flow [2023-11-29 04:50:30,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:30,478 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] [2023-11-29 04:50:30,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:50:30,479 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:30,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:30,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1393097344, now seen corresponding path program 1 times [2023-11-29 04:50:30,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:30,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446172477] [2023-11-29 04:50:30,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:30,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:30,518 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 04:50:30,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:30,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446172477] [2023-11-29 04:50:30,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446172477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:30,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:30,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:30,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971499170] [2023-11-29 04:50:30,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:30,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:30,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:30,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:30,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:30,539 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2023-11-29 04:50:30,540 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 159 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:30,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2023-11-29 04:50:30,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:30,602 INFO L124 PetriNetUnfolderBase]: 49/417 cut-off events. [2023-11-29 04:50:30,602 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:30,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 417 events. 49/417 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2004 event pairs, 28 based on Foata normal form. 0/372 useless extension candidates. Maximal degree in co-relation 527. Up to 71 conditions per place. [2023-11-29 04:50:30,606 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 15 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2023-11-29 04:50:30,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 161 transitions, 366 flow [2023-11-29 04:50:30,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2023-11-29 04:50:30,608 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8670212765957447 [2023-11-29 04:50:30,608 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2023-11-29 04:50:30,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2023-11-29 04:50:30,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:30,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2023-11-29 04:50:30,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,612 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,612 INFO L175 Difference]: Start difference. First operand has 164 places, 159 transitions, 326 flow. Second operand 3 states and 489 transitions. [2023-11-29 04:50:30,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 161 transitions, 366 flow [2023-11-29 04:50:30,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 161 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:30,615 INFO L231 Difference]: Finished difference. Result has 163 places, 158 transitions, 324 flow [2023-11-29 04:50:30,616 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=163, PETRI_TRANSITIONS=158} [2023-11-29 04:50:30,616 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -22 predicate places. [2023-11-29 04:50:30,616 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 158 transitions, 324 flow [2023-11-29 04:50:30,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,617 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:30,617 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:50:30,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:50:30,618 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:30,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:30,618 INFO L85 PathProgramCache]: Analyzing trace with hash 180536825, now seen corresponding path program 1 times [2023-11-29 04:50:30,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:30,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998529066] [2023-11-29 04:50:30,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:30,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:30,653 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 04:50:30,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:30,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998529066] [2023-11-29 04:50:30,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998529066] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:30,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:30,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:30,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887387842] [2023-11-29 04:50:30,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:30,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:30,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:30,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:30,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:30,666 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 188 [2023-11-29 04:50:30,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 158 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:30,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 188 [2023-11-29 04:50:30,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:30,727 INFO L124 PetriNetUnfolderBase]: 33/407 cut-off events. [2023-11-29 04:50:30,727 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:30,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 407 events. 33/407 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1890 event pairs, 6 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 475. Up to 40 conditions per place. [2023-11-29 04:50:30,730 INFO L140 encePairwiseOnDemand]: 183/188 looper letters, 11 selfloop transitions, 3 changer transitions 0/158 dead transitions. [2023-11-29 04:50:30,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 158 transitions, 352 flow [2023-11-29 04:50:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:30,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2023-11-29 04:50:30,732 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8687943262411347 [2023-11-29 04:50:30,733 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 490 transitions. [2023-11-29 04:50:30,733 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 490 transitions. [2023-11-29 04:50:30,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:30,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 490 transitions. [2023-11-29 04:50:30,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,735 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,736 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,736 INFO L175 Difference]: Start difference. First operand has 163 places, 158 transitions, 324 flow. Second operand 3 states and 490 transitions. [2023-11-29 04:50:30,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 158 transitions, 352 flow [2023-11-29 04:50:30,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 158 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:30,739 INFO L231 Difference]: Finished difference. Result has 161 places, 156 transitions, 322 flow [2023-11-29 04:50:30,739 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=161, PETRI_TRANSITIONS=156} [2023-11-29 04:50:30,739 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -24 predicate places. [2023-11-29 04:50:30,740 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 156 transitions, 322 flow [2023-11-29 04:50:30,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,740 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:30,740 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 04:50:30,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:50:30,741 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:30,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:30,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1697211899, now seen corresponding path program 1 times [2023-11-29 04:50:30,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:30,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462759513] [2023-11-29 04:50:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:30,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:30,776 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 04:50:30,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:30,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462759513] [2023-11-29 04:50:30,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462759513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:30,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:30,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:30,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746175260] [2023-11-29 04:50:30,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:30,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:30,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:30,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:30,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:30,790 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 188 [2023-11-29 04:50:30,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 156 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:30,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 188 [2023-11-29 04:50:30,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:30,847 INFO L124 PetriNetUnfolderBase]: 35/395 cut-off events. [2023-11-29 04:50:30,847 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:30,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 475 conditions, 395 events. 35/395 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1713 event pairs, 10 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 471. Up to 32 conditions per place. [2023-11-29 04:50:30,850 INFO L140 encePairwiseOnDemand]: 184/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2023-11-29 04:50:30,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 350 flow [2023-11-29 04:50:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:30,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 490 transitions. [2023-11-29 04:50:30,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8687943262411347 [2023-11-29 04:50:30,853 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 490 transitions. [2023-11-29 04:50:30,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 490 transitions. [2023-11-29 04:50:30,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:30,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 490 transitions. [2023-11-29 04:50:30,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,856 INFO L175 Difference]: Start difference. First operand has 161 places, 156 transitions, 322 flow. Second operand 3 states and 490 transitions. [2023-11-29 04:50:30,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 350 flow [2023-11-29 04:50:30,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 156 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:30,860 INFO L231 Difference]: Finished difference. Result has 159 places, 154 transitions, 316 flow [2023-11-29 04:50:30,860 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=159, PETRI_TRANSITIONS=154} [2023-11-29 04:50:30,861 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -26 predicate places. [2023-11-29 04:50:30,861 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 154 transitions, 316 flow [2023-11-29 04:50:30,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:30,862 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:50:30,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 04:50:30,862 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:30,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:30,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2042566740, now seen corresponding path program 1 times [2023-11-29 04:50:30,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:30,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171303869] [2023-11-29 04:50:30,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:30,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:30,900 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 04:50:30,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:30,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171303869] [2023-11-29 04:50:30,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171303869] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:30,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:30,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:30,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065953532] [2023-11-29 04:50:30,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:30,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:30,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:30,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:30,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:30,921 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2023-11-29 04:50:30,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 154 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:30,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2023-11-29 04:50:30,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:30,970 INFO L124 PetriNetUnfolderBase]: 37/357 cut-off events. [2023-11-29 04:50:30,971 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:30,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 357 events. 37/357 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1656 event pairs, 24 based on Foata normal form. 0/323 useless extension candidates. Maximal degree in co-relation 437. Up to 55 conditions per place. [2023-11-29 04:50:30,973 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 14 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2023-11-29 04:50:30,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 155 transitions, 350 flow [2023-11-29 04:50:30,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2023-11-29 04:50:30,976 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8652482269503546 [2023-11-29 04:50:30,976 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:30,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 488 transitions. [2023-11-29 04:50:30,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,979 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,979 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,979 INFO L175 Difference]: Start difference. First operand has 159 places, 154 transitions, 316 flow. Second operand 3 states and 488 transitions. [2023-11-29 04:50:30,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 155 transitions, 350 flow [2023-11-29 04:50:30,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 155 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:30,982 INFO L231 Difference]: Finished difference. Result has 158 places, 153 transitions, 314 flow [2023-11-29 04:50:30,983 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=158, PETRI_TRANSITIONS=153} [2023-11-29 04:50:30,983 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -27 predicate places. [2023-11-29 04:50:30,983 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 153 transitions, 314 flow [2023-11-29 04:50:30,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:30,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:30,984 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] [2023-11-29 04:50:30,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 04:50:30,984 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:30,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1180978271, now seen corresponding path program 1 times [2023-11-29 04:50:30,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:30,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557800263] [2023-11-29 04:50:30,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:30,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:50:31,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:31,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557800263] [2023-11-29 04:50:31,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557800263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:31,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:31,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:31,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858323178] [2023-11-29 04:50:31,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:31,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:31,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:31,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:31,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:31,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 188 [2023-11-29 04:50:31,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 153 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:31,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 188 [2023-11-29 04:50:31,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:31,099 INFO L124 PetriNetUnfolderBase]: 41/431 cut-off events. [2023-11-29 04:50:31,099 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:31,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 431 events. 41/431 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2149 event pairs, 26 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 515. Up to 59 conditions per place. [2023-11-29 04:50:31,102 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 14 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2023-11-29 04:50:31,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 154 transitions, 348 flow [2023-11-29 04:50:31,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 488 transitions. [2023-11-29 04:50:31,105 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8652482269503546 [2023-11-29 04:50:31,105 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 488 transitions. [2023-11-29 04:50:31,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 488 transitions. [2023-11-29 04:50:31,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:31,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 488 transitions. [2023-11-29 04:50:31,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,108 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,108 INFO L175 Difference]: Start difference. First operand has 158 places, 153 transitions, 314 flow. Second operand 3 states and 488 transitions. [2023-11-29 04:50:31,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 154 transitions, 348 flow [2023-11-29 04:50:31,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 154 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:31,111 INFO L231 Difference]: Finished difference. Result has 157 places, 152 transitions, 312 flow [2023-11-29 04:50:31,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=157, PETRI_TRANSITIONS=152} [2023-11-29 04:50:31,112 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -28 predicate places. [2023-11-29 04:50:31,112 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 152 transitions, 312 flow [2023-11-29 04:50:31,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:31,113 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] [2023-11-29 04:50:31,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 04:50:31,113 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:31,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:31,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1338457145, now seen corresponding path program 1 times [2023-11-29 04:50:31,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:31,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765537680] [2023-11-29 04:50:31,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:31,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:31,147 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 04:50:31,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:31,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765537680] [2023-11-29 04:50:31,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765537680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:31,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:31,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:31,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196785601] [2023-11-29 04:50:31,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:31,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:31,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:31,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:31,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:31,165 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 188 [2023-11-29 04:50:31,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 152 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:31,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 188 [2023-11-29 04:50:31,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:31,218 INFO L124 PetriNetUnfolderBase]: 45/431 cut-off events. [2023-11-29 04:50:31,219 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:31,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 431 events. 45/431 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2140 event pairs, 30 based on Foata normal form. 0/405 useless extension candidates. Maximal degree in co-relation 527. Up to 67 conditions per place. [2023-11-29 04:50:31,221 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 15 selfloop transitions, 2 changer transitions 0/153 dead transitions. [2023-11-29 04:50:31,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 153 transitions, 348 flow [2023-11-29 04:50:31,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 486 transitions. [2023-11-29 04:50:31,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8617021276595744 [2023-11-29 04:50:31,224 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 486 transitions. [2023-11-29 04:50:31,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 486 transitions. [2023-11-29 04:50:31,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:31,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 486 transitions. [2023-11-29 04:50:31,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,227 INFO L175 Difference]: Start difference. First operand has 157 places, 152 transitions, 312 flow. Second operand 3 states and 486 transitions. [2023-11-29 04:50:31,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 153 transitions, 348 flow [2023-11-29 04:50:31,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 153 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:31,231 INFO L231 Difference]: Finished difference. Result has 156 places, 151 transitions, 310 flow [2023-11-29 04:50:31,231 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=156, PETRI_TRANSITIONS=151} [2023-11-29 04:50:31,232 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -29 predicate places. [2023-11-29 04:50:31,232 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 151 transitions, 310 flow [2023-11-29 04:50:31,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.0) internal successors, (477), 3 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,232 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:31,232 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:50:31,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 04:50:31,233 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:31,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:31,233 INFO L85 PathProgramCache]: Analyzing trace with hash -499113877, now seen corresponding path program 1 times [2023-11-29 04:50:31,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:31,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581100576] [2023-11-29 04:50:31,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:31,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:31,270 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 04:50:31,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:31,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581100576] [2023-11-29 04:50:31,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581100576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:31,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:31,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:31,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208737112] [2023-11-29 04:50:31,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:31,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:31,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:31,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:31,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:31,280 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 188 [2023-11-29 04:50:31,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 151 transitions, 310 flow. Second operand has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:31,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 188 [2023-11-29 04:50:31,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:31,351 INFO L124 PetriNetUnfolderBase]: 39/531 cut-off events. [2023-11-29 04:50:31,351 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:31,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 531 events. 39/531 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2263 event pairs, 10 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 605. Up to 35 conditions per place. [2023-11-29 04:50:31,355 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 12 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2023-11-29 04:50:31,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 154 transitions, 344 flow [2023-11-29 04:50:31,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2023-11-29 04:50:31,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8829787234042553 [2023-11-29 04:50:31,357 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 498 transitions. [2023-11-29 04:50:31,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 498 transitions. [2023-11-29 04:50:31,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:31,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 498 transitions. [2023-11-29 04:50:31,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,360 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,360 INFO L175 Difference]: Start difference. First operand has 156 places, 151 transitions, 310 flow. Second operand 3 states and 498 transitions. [2023-11-29 04:50:31,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 154 transitions, 344 flow [2023-11-29 04:50:31,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 154 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:31,363 INFO L231 Difference]: Finished difference. Result has 156 places, 151 transitions, 314 flow [2023-11-29 04:50:31,364 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=156, PETRI_TRANSITIONS=151} [2023-11-29 04:50:31,364 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -29 predicate places. [2023-11-29 04:50:31,364 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 151 transitions, 314 flow [2023-11-29 04:50:31,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.33333333333334) internal successors, (490), 3 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:31,365 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] [2023-11-29 04:50:31,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:50:31,366 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:31,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:31,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1946032691, now seen corresponding path program 1 times [2023-11-29 04:50:31,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:31,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653207212] [2023-11-29 04:50:31,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:31,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:31,401 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 04:50:31,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:31,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653207212] [2023-11-29 04:50:31,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653207212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:31,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:31,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:31,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350759190] [2023-11-29 04:50:31,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:31,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:31,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:31,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:31,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:31,419 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 188 [2023-11-29 04:50:31,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 151 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:31,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 188 [2023-11-29 04:50:31,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:31,496 INFO L124 PetriNetUnfolderBase]: 57/587 cut-off events. [2023-11-29 04:50:31,496 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-29 04:50:31,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 720 conditions, 587 events. 57/587 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2972 event pairs, 42 based on Foata normal form. 0/561 useless extension candidates. Maximal degree in co-relation 715. Up to 91 conditions per place. [2023-11-29 04:50:31,500 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 15 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2023-11-29 04:50:31,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 152 transitions, 350 flow [2023-11-29 04:50:31,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:31,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 486 transitions. [2023-11-29 04:50:31,502 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8617021276595744 [2023-11-29 04:50:31,502 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 486 transitions. [2023-11-29 04:50:31,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 486 transitions. [2023-11-29 04:50:31,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:31,502 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 486 transitions. [2023-11-29 04:50:31,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,505 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,505 INFO L175 Difference]: Start difference. First operand has 156 places, 151 transitions, 314 flow. Second operand 3 states and 486 transitions. [2023-11-29 04:50:31,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 152 transitions, 350 flow [2023-11-29 04:50:31,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 152 transitions, 348 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:50:31,508 INFO L231 Difference]: Finished difference. Result has 156 places, 150 transitions, 314 flow [2023-11-29 04:50:31,509 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=156, PETRI_TRANSITIONS=150} [2023-11-29 04:50:31,509 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -29 predicate places. [2023-11-29 04:50:31,509 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 150 transitions, 314 flow [2023-11-29 04:50:31,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,510 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:50:31,510 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] [2023-11-29 04:50:31,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 04:50:31,510 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2023-11-29 04:50:31,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:50:31,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1650098105, now seen corresponding path program 1 times [2023-11-29 04:50:31,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:50:31,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250870886] [2023-11-29 04:50:31,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:50:31,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:50:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:50:31,543 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 04:50:31,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:50:31,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250870886] [2023-11-29 04:50:31,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250870886] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:50:31,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:50:31,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:50:31,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108903939] [2023-11-29 04:50:31,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:50:31,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:50:31,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:50:31,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:50:31,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:50:31,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 188 [2023-11-29 04:50:31,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 150 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:50:31,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 188 [2023-11-29 04:50:31,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:50:31,640 INFO L124 PetriNetUnfolderBase]: 61/587 cut-off events. [2023-11-29 04:50:31,641 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:50:31,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 587 events. 61/587 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2931 event pairs, 46 based on Foata normal form. 0/563 useless extension candidates. Maximal degree in co-relation 727. Up to 99 conditions per place. [2023-11-29 04:50:31,643 INFO L140 encePairwiseOnDemand]: 185/188 looper letters, 0 selfloop transitions, 0 changer transitions 151/151 dead transitions. [2023-11-29 04:50:31,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 151 transitions, 352 flow [2023-11-29 04:50:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:50:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 04:50:31,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 484 transitions. [2023-11-29 04:50:31,645 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8581560283687943 [2023-11-29 04:50:31,645 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 484 transitions. [2023-11-29 04:50:31,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 484 transitions. [2023-11-29 04:50:31,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:50:31,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 484 transitions. [2023-11-29 04:50:31,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,649 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,649 INFO L175 Difference]: Start difference. First operand has 156 places, 150 transitions, 314 flow. Second operand 3 states and 484 transitions. [2023-11-29 04:50:31,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 151 transitions, 352 flow [2023-11-29 04:50:31,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 151 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 04:50:31,651 INFO L231 Difference]: Finished difference. Result has 155 places, 0 transitions, 0 flow [2023-11-29 04:50:31,652 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=155, PETRI_TRANSITIONS=0} [2023-11-29 04:50:31,652 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -30 predicate places. [2023-11-29 04:50:31,652 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 0 transitions, 0 flow [2023-11-29 04:50:31,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:50:31,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2023-11-29 04:50:31,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2023-11-29 04:50:31,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2023-11-29 04:50:31,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2023-11-29 04:50:31,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2023-11-29 04:50:31,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2023-11-29 04:50:31,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2023-11-29 04:50:31,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2023-11-29 04:50:31,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2023-11-29 04:50:31,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2023-11-29 04:50:31,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2023-11-29 04:50:31,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2023-11-29 04:50:31,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2023-11-29 04:50:31,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2023-11-29 04:50:31,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2023-11-29 04:50:31,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2023-11-29 04:50:31,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2023-11-29 04:50:31,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2023-11-29 04:50:31,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2023-11-29 04:50:31,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2023-11-29 04:50:31,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2023-11-29 04:50:31,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2023-11-29 04:50:31,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2023-11-29 04:50:31,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2023-11-29 04:50:31,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2023-11-29 04:50:31,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2023-11-29 04:50:31,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2023-11-29 04:50:31,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2023-11-29 04:50:31,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2023-11-29 04:50:31,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2023-11-29 04:50:31,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2023-11-29 04:50:31,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2023-11-29 04:50:31,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2023-11-29 04:50:31,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2023-11-29 04:50:31,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2023-11-29 04:50:31,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2023-11-29 04:50:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2023-11-29 04:50:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2023-11-29 04:50:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2023-11-29 04:50:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2023-11-29 04:50:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2023-11-29 04:50:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2023-11-29 04:50:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2023-11-29 04:50:31,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2023-11-29 04:50:31,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2023-11-29 04:50:31,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2023-11-29 04:50:31,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 04:50:31,662 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:50:31,667 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 04:50:31,667 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:50:31,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:50:31 BasicIcfg [2023-11-29 04:50:31,671 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:50:31,672 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:50:31,672 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:50:31,672 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:50:31,673 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:50:28" (3/4) ... [2023-11-29 04:50:31,674 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:50:31,676 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2023-11-29 04:50:31,677 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2023-11-29 04:50:31,682 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2023-11-29 04:50:31,682 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 04:50:31,682 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 04:50:31,683 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:50:31,754 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:50:31,754 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:50:31,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:50:31,755 INFO L158 Benchmark]: Toolchain (without parser) took 4066.26ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 108.1MB in the beginning and 77.9MB in the end (delta: 30.2MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2023-11-29 04:50:31,756 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:50:31,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.95ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 108.3MB in the end (delta: -611.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:50:31,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.07ms. Allocated memory is still 151.0MB. Free memory was 108.3MB in the beginning and 106.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:50:31,757 INFO L158 Benchmark]: Boogie Preprocessor took 28.65ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 104.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:50:31,757 INFO L158 Benchmark]: RCFGBuilder took 532.63ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 78.8MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-29 04:50:31,758 INFO L158 Benchmark]: TraceAbstraction took 2942.19ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 77.8MB in the beginning and 84.2MB in the end (delta: -6.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-29 04:50:31,758 INFO L158 Benchmark]: Witness Printer took 82.70ms. Allocated memory is still 182.5MB. Free memory was 84.2MB in the beginning and 77.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:50:31,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.95ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 108.3MB in the end (delta: -611.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.07ms. Allocated memory is still 151.0MB. Free memory was 108.3MB in the beginning and 106.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.65ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 104.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 532.63ms. Allocated memory is still 151.0MB. Free memory was 104.6MB in the beginning and 78.8MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2942.19ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 77.8MB in the beginning and 84.2MB in the end (delta: -6.4MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Witness Printer took 82.70ms. Allocated memory is still 182.5MB. Free memory was 84.2MB in the beginning and 77.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 241 locations, 46 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: 2.8s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 324 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 53 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 492 IncrementalHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 53 mSDtfsCounter, 492 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=378occurred in iteration=0, InterpolantAutomatonStates: 47, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 745 NumberOfCodeBlocks, 745 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 759 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 04:50:31,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63022f55-2293-4676-89b2-5a1ad5fe98b1/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