./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/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_c5809bd3-6c32-4c28-8c85-578e555c0507/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/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_c5809bd3-6c32-4c28-8c85-578e555c0507/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 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:50:50,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:50:50,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 06:50:50,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:50:50,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:50:50,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:50:50,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:50:50,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:50:50,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:50:50,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:50:50,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:50:50,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:50:50,093 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:50:50,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:50:50,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:50:50,095 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:50:50,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:50:50,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:50:50,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:50:50,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:50:50,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:50:50,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:50:50,098 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 06:50:50,098 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:50:50,098 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:50:50,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:50:50,099 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:50:50,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:50:50,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:50:50,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:50:50,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:50:50,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:50:50,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:50:50,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:50:50,102 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:50:50,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:50:50,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:50:50,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:50:50,102 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:50:50,102 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:50:50,103 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:50:50,103 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_c5809bd3-6c32-4c28-8c85-578e555c0507/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 [2023-11-29 06:50:50,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:50:50,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:50:50,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:50:50,373 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:50:50,373 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:50:50,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2023-11-29 06:50:53,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:50:53,360 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:50:53,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2023-11-29 06:50:53,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/bin/uautomizer-verify-BQ2R08f2Ya/data/59747e362/a8d9bd5f769a4a959ac0f6b929c26f7b/FLAG92f0e72a0 [2023-11-29 06:50:53,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/bin/uautomizer-verify-BQ2R08f2Ya/data/59747e362/a8d9bd5f769a4a959ac0f6b929c26f7b [2023-11-29 06:50:53,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:50:53,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:50:53,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:50:53,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:50:53,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:50:53,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd8ac10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53, skipping insertion in model container [2023-11-29 06:50:53,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,441 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:50:53,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:50:53,753 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:50:53,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:50:53,824 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:50:53,824 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 06:50:53,831 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:50:53,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53 WrapperNode [2023-11-29 06:50:53,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:50:53,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:50:53,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:50:53,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:50:53,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,878 INFO L138 Inliner]: procedures = 173, calls = 25, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 126 [2023-11-29 06:50:53,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:50:53,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:50:53,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:50:53,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:50:53,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:50:53,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:50:53,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:50:53,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:50:53,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (1/1) ... [2023-11-29 06:50:53,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:50:53,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:50:53,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:50:53,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5809bd3-6c32-4c28-8c85-578e555c0507/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:50:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-29 06:50:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-29 06:50:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 06:50:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-29 06:50:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:50:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:50:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:50:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 06:50:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-29 06:50:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:50:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:50:53,969 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 06:50:54,080 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:50:54,082 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:50:54,264 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:50:54,369 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:50:54,369 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 06:50:54,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:54 BoogieIcfgContainer [2023-11-29 06:50:54,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:50:54,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:50:54,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:50:54,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:50:54,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:50:53" (1/3) ... [2023-11-29 06:50:54,377 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316d63d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:50:54, skipping insertion in model container [2023-11-29 06:50:54,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:50:53" (2/3) ... [2023-11-29 06:50:54,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316d63d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:50:54, skipping insertion in model container [2023-11-29 06:50:54,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:50:54" (3/3) ... [2023-11-29 06:50:54,380 INFO L112 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2023-11-29 06:50:54,389 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 06:50:54,399 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:50:54,400 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-11-29 06:50:54,400 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 06:50:54,460 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 06:50:54,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 80 transitions, 164 flow [2023-11-29 06:50:54,544 INFO L124 PetriNetUnfolderBase]: 5/91 cut-off events. [2023-11-29 06:50:54,544 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:50:54,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 91 events. 5/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 127 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 66. Up to 4 conditions per place. [2023-11-29 06:50:54,549 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 80 transitions, 164 flow [2023-11-29 06:50:54,553 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 80 transitions, 164 flow [2023-11-29 06:50:54,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:50:54,570 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;@b0b4a41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:50:54,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2023-11-29 06:50:54,580 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:50:54,580 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2023-11-29 06:50:54,580 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:50:54,580 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:50:54,581 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:54,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 06:50:54,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:54,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1920762975, now seen corresponding path program 1 times [2023-11-29 06:50:54,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:54,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486361467] [2023-11-29 06:50:54,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:54,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:54,754 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 06:50:54,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:54,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486361467] [2023-11-29 06:50:54,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486361467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:54,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:54,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 06:50:54,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150116867] [2023-11-29 06:50:54,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:54,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:50:54,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:54,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:50:54,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:50:54,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 80 [2023-11-29 06:50:54,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 80 transitions, 164 flow. Second operand has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:54,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:50:54,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 80 [2023-11-29 06:50:54,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:50:54,834 INFO L124 PetriNetUnfolderBase]: 1/58 cut-off events. [2023-11-29 06:50:54,834 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 06:50:54,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 58 events. 1/58 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 33 event pairs, 0 based on Foata normal form. 12/65 useless extension candidates. Maximal degree in co-relation 47. Up to 9 conditions per place. [2023-11-29 06:50:54,836 INFO L140 encePairwiseOnDemand]: 64/80 looper letters, 8 selfloop transitions, 0 changer transitions 0/54 dead transitions. [2023-11-29 06:50:54,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 54 transitions, 128 flow [2023-11-29 06:50:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:50:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 06:50:54,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 134 transitions. [2023-11-29 06:50:54,847 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8375 [2023-11-29 06:50:54,847 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 134 transitions. [2023-11-29 06:50:54,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 134 transitions. [2023-11-29 06:50:54,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:50:54,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 134 transitions. [2023-11-29 06:50:54,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 67.0) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:54,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:54,857 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:54,859 INFO L175 Difference]: Start difference. First operand has 79 places, 80 transitions, 164 flow. Second operand 2 states and 134 transitions. [2023-11-29 06:50:54,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 54 transitions, 128 flow [2023-11-29 06:50:54,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 54 transitions, 128 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:50:54,866 INFO L231 Difference]: Finished difference. Result has 57 places, 54 transitions, 112 flow [2023-11-29 06:50:54,868 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=112, PETRI_PLACES=57, PETRI_TRANSITIONS=54} [2023-11-29 06:50:54,872 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -22 predicate places. [2023-11-29 06:50:54,872 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 54 transitions, 112 flow [2023-11-29 06:50:54,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:54,873 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:50:54,873 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] [2023-11-29 06:50:54,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:50:54,874 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 06:50:54,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:54,875 INFO L85 PathProgramCache]: Analyzing trace with hash 982732676, now seen corresponding path program 1 times [2023-11-29 06:50:54,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:54,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411796556] [2023-11-29 06:50:54,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:54,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:54,960 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 06:50:54,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:54,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411796556] [2023-11-29 06:50:54,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411796556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:54,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:54,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:50:54,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780819862] [2023-11-29 06:50:54,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:54,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:50:54,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:54,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:50:54,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:50:54,986 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 80 [2023-11-29 06:50:54,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 54 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:54,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:50:54,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 80 [2023-11-29 06:50:54,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:50:55,021 INFO L124 PetriNetUnfolderBase]: 0/60 cut-off events. [2023-11-29 06:50:55,021 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 06:50:55,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 60 events. 0/60 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2023-11-29 06:50:55,022 INFO L140 encePairwiseOnDemand]: 74/80 looper letters, 11 selfloop transitions, 4 changer transitions 0/53 dead transitions. [2023-11-29 06:50:55,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 53 transitions, 140 flow [2023-11-29 06:50:55,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:50:55,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:50:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions. [2023-11-29 06:50:55,025 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6583333333333333 [2023-11-29 06:50:55,025 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 158 transitions. [2023-11-29 06:50:55,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 158 transitions. [2023-11-29 06:50:55,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:50:55,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 158 transitions. [2023-11-29 06:50:55,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,030 INFO L175 Difference]: Start difference. First operand has 57 places, 54 transitions, 112 flow. Second operand 3 states and 158 transitions. [2023-11-29 06:50:55,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 53 transitions, 140 flow [2023-11-29 06:50:55,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 53 transitions, 140 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:50:55,033 INFO L231 Difference]: Finished difference. Result has 57 places, 52 transitions, 116 flow [2023-11-29 06:50:55,033 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=57, PETRI_TRANSITIONS=52} [2023-11-29 06:50:55,034 INFO L281 CegarLoopForPetriNet]: 79 programPoint places, -22 predicate places. [2023-11-29 06:50:55,034 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 52 transitions, 116 flow [2023-11-29 06:50:55,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,035 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:50:55,035 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:55,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:50:55,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2023-11-29 06:50:55,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:55,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1856370757, now seen corresponding path program 1 times [2023-11-29 06:50:55,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:55,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006559792] [2023-11-29 06:50:55,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:55,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:50:55,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:50:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:50:55,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:50:55,092 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:50:55,093 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2023-11-29 06:50:55,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2023-11-29 06:50:55,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2023-11-29 06:50:55,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2023-11-29 06:50:55,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2023-11-29 06:50:55,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2023-11-29 06:50:55,096 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2023-11-29 06:50:55,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2023-11-29 06:50:55,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2023-11-29 06:50:55,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2023-11-29 06:50:55,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2023-11-29 06:50:55,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2023-11-29 06:50:55,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2023-11-29 06:50:55,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2023-11-29 06:50:55,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2023-11-29 06:50:55,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2023-11-29 06:50:55,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2023-11-29 06:50:55,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2023-11-29 06:50:55,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2023-11-29 06:50:55,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2023-11-29 06:50:55,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2023-11-29 06:50:55,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2023-11-29 06:50:55,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2023-11-29 06:50:55,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2023-11-29 06:50:55,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2023-11-29 06:50:55,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2023-11-29 06:50:55,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2023-11-29 06:50:55,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2023-11-29 06:50:55,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2023-11-29 06:50:55,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2023-11-29 06:50:55,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2023-11-29 06:50:55,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:50:55,103 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 06:50:55,106 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-29 06:50:55,106 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-29 06:50:55,140 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 06:50:55,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 134 transitions, 278 flow [2023-11-29 06:50:55,184 INFO L124 PetriNetUnfolderBase]: 9/158 cut-off events. [2023-11-29 06:50:55,184 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 06:50:55,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 158 events. 9/158 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 403 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 119. Up to 6 conditions per place. [2023-11-29 06:50:55,187 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 134 transitions, 278 flow [2023-11-29 06:50:55,190 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 134 transitions, 278 flow [2023-11-29 06:50:55,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:50:55,193 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;@b0b4a41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:50:55,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2023-11-29 06:50:55,200 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:50:55,200 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2023-11-29 06:50:55,200 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:50:55,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:50:55,201 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] [2023-11-29 06:50:55,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 06:50:55,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:55,202 INFO L85 PathProgramCache]: Analyzing trace with hash 742889569, now seen corresponding path program 1 times [2023-11-29 06:50:55,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:55,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285670430] [2023-11-29 06:50:55,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:55,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:55,235 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 06:50:55,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:55,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285670430] [2023-11-29 06:50:55,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285670430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:55,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:55,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 06:50:55,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047183152] [2023-11-29 06:50:55,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:55,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:50:55,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:55,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:50:55,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:50:55,240 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 134 [2023-11-29 06:50:55,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 134 transitions, 278 flow. Second operand has 2 states, 2 states have (on average 87.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:50:55,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 134 [2023-11-29 06:50:55,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:50:55,331 INFO L124 PetriNetUnfolderBase]: 62/332 cut-off events. [2023-11-29 06:50:55,332 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2023-11-29 06:50:55,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 332 events. 62/332 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1652 event pairs, 56 based on Foata normal form. 121/412 useless extension candidates. Maximal degree in co-relation 380. Up to 129 conditions per place. [2023-11-29 06:50:55,336 INFO L140 encePairwiseOnDemand]: 104/134 looper letters, 16 selfloop transitions, 0 changer transitions 0/89 dead transitions. [2023-11-29 06:50:55,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 89 transitions, 220 flow [2023-11-29 06:50:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:50:55,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 06:50:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 218 transitions. [2023-11-29 06:50:55,339 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8134328358208955 [2023-11-29 06:50:55,339 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 218 transitions. [2023-11-29 06:50:55,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 218 transitions. [2023-11-29 06:50:55,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:50:55,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 218 transitions. [2023-11-29 06:50:55,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 109.0) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,343 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,343 INFO L175 Difference]: Start difference. First operand has 132 places, 134 transitions, 278 flow. Second operand 2 states and 218 transitions. [2023-11-29 06:50:55,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 89 transitions, 220 flow [2023-11-29 06:50:55,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 89 transitions, 220 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:50:55,347 INFO L231 Difference]: Finished difference. Result has 93 places, 89 transitions, 188 flow [2023-11-29 06:50:55,347 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=188, PETRI_PLACES=93, PETRI_TRANSITIONS=89} [2023-11-29 06:50:55,348 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -39 predicate places. [2023-11-29 06:50:55,348 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 89 transitions, 188 flow [2023-11-29 06:50:55,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 87.0) internal successors, (174), 2 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,349 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:50:55,349 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:55,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:50:55,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 06:50:55,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:55,350 INFO L85 PathProgramCache]: Analyzing trace with hash 952325028, now seen corresponding path program 1 times [2023-11-29 06:50:55,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:55,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440055279] [2023-11-29 06:50:55,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:55,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:55,400 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 06:50:55,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:55,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440055279] [2023-11-29 06:50:55,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440055279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:55,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:55,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:50:55,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296384330] [2023-11-29 06:50:55,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:55,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:50:55,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:55,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:50:55,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:50:55,438 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 134 [2023-11-29 06:50:55,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 89 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:50:55,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 134 [2023-11-29 06:50:55,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:50:55,656 INFO L124 PetriNetUnfolderBase]: 252/1073 cut-off events. [2023-11-29 06:50:55,656 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2023-11-29 06:50:55,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1690 conditions, 1073 events. 252/1073 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 7463 event pairs, 98 based on Foata normal form. 0/965 useless extension candidates. Maximal degree in co-relation 1685. Up to 398 conditions per place. [2023-11-29 06:50:55,667 INFO L140 encePairwiseOnDemand]: 118/134 looper letters, 47 selfloop transitions, 12 changer transitions 0/116 dead transitions. [2023-11-29 06:50:55,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 116 transitions, 365 flow [2023-11-29 06:50:55,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:50:55,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:50:55,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 273 transitions. [2023-11-29 06:50:55,669 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6791044776119403 [2023-11-29 06:50:55,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 273 transitions. [2023-11-29 06:50:55,670 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 273 transitions. [2023-11-29 06:50:55,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:50:55,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 273 transitions. [2023-11-29 06:50:55,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,674 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,674 INFO L175 Difference]: Start difference. First operand has 93 places, 89 transitions, 188 flow. Second operand 3 states and 273 transitions. [2023-11-29 06:50:55,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 116 transitions, 365 flow [2023-11-29 06:50:55,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 116 transitions, 365 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:50:55,678 INFO L231 Difference]: Finished difference. Result has 97 places, 101 transitions, 292 flow [2023-11-29 06:50:55,678 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=292, PETRI_PLACES=97, PETRI_TRANSITIONS=101} [2023-11-29 06:50:55,679 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -35 predicate places. [2023-11-29 06:50:55,679 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 101 transitions, 292 flow [2023-11-29 06:50:55,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,680 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:50:55,680 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:55,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:50:55,680 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 06:50:55,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:55,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1512584896, now seen corresponding path program 1 times [2023-11-29 06:50:55,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:55,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350131456] [2023-11-29 06:50:55,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:55,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:55,724 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 06:50:55,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:55,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350131456] [2023-11-29 06:50:55,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350131456] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:55,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:55,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:50:55,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044743472] [2023-11-29 06:50:55,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:55,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:50:55,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:55,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:50:55,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:50:55,763 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 134 [2023-11-29 06:50:55,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 101 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:55,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:50:55,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 134 [2023-11-29 06:50:55,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:50:55,981 INFO L124 PetriNetUnfolderBase]: 334/1258 cut-off events. [2023-11-29 06:50:55,982 INFO L125 PetriNetUnfolderBase]: For 453/468 co-relation queries the response was YES. [2023-11-29 06:50:55,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2454 conditions, 1258 events. 334/1258 cut-off events. For 453/468 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 9095 event pairs, 191 based on Foata normal form. 4/1152 useless extension candidates. Maximal degree in co-relation 2447. Up to 644 conditions per place. [2023-11-29 06:50:55,994 INFO L140 encePairwiseOnDemand]: 126/134 looper letters, 44 selfloop transitions, 10 changer transitions 0/117 dead transitions. [2023-11-29 06:50:55,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 117 transitions, 457 flow [2023-11-29 06:50:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:50:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:50:55,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 261 transitions. [2023-11-29 06:50:55,996 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6492537313432836 [2023-11-29 06:50:55,996 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 261 transitions. [2023-11-29 06:50:55,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 261 transitions. [2023-11-29 06:50:55,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:50:55,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 261 transitions. [2023-11-29 06:50:55,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:56,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:56,000 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:56,000 INFO L175 Difference]: Start difference. First operand has 97 places, 101 transitions, 292 flow. Second operand 3 states and 261 transitions. [2023-11-29 06:50:56,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 117 transitions, 457 flow [2023-11-29 06:50:56,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 117 transitions, 425 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:50:56,006 INFO L231 Difference]: Finished difference. Result has 99 places, 109 transitions, 354 flow [2023-11-29 06:50:56,007 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=99, PETRI_TRANSITIONS=109} [2023-11-29 06:50:56,008 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -33 predicate places. [2023-11-29 06:50:56,008 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 109 transitions, 354 flow [2023-11-29 06:50:56,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:56,008 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:50:56,008 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:50:56,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:50:56,009 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2023-11-29 06:50:56,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:56,009 INFO L85 PathProgramCache]: Analyzing trace with hash -617599175, now seen corresponding path program 1 times [2023-11-29 06:50:56,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:56,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394018273] [2023-11-29 06:50:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:56,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:50:56,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:50:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:50:56,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:50:56,040 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:50:56,040 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 46 remaining) [2023-11-29 06:50:56,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2023-11-29 06:50:56,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2023-11-29 06:50:56,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2023-11-29 06:50:56,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2023-11-29 06:50:56,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2023-11-29 06:50:56,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2023-11-29 06:50:56,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2023-11-29 06:50:56,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2023-11-29 06:50:56,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2023-11-29 06:50:56,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2023-11-29 06:50:56,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2023-11-29 06:50:56,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2023-11-29 06:50:56,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2023-11-29 06:50:56,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2023-11-29 06:50:56,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2023-11-29 06:50:56,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2023-11-29 06:50:56,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2023-11-29 06:50:56,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2023-11-29 06:50:56,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2023-11-29 06:50:56,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2023-11-29 06:50:56,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2023-11-29 06:50:56,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2023-11-29 06:50:56,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2023-11-29 06:50:56,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2023-11-29 06:50:56,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2023-11-29 06:50:56,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2023-11-29 06:50:56,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2023-11-29 06:50:56,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2023-11-29 06:50:56,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2023-11-29 06:50:56,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2023-11-29 06:50:56,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2023-11-29 06:50:56,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2023-11-29 06:50:56,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2023-11-29 06:50:56,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2023-11-29 06:50:56,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2023-11-29 06:50:56,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2023-11-29 06:50:56,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2023-11-29 06:50:56,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2023-11-29 06:50:56,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2023-11-29 06:50:56,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2023-11-29 06:50:56,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2023-11-29 06:50:56,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2023-11-29 06:50:56,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2023-11-29 06:50:56,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2023-11-29 06:50:56,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2023-11-29 06:50:56,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:50:56,058 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 06:50:56,059 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-29 06:50:56,059 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-29 06:50:56,094 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 06:50:56,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 185 places, 188 transitions, 394 flow [2023-11-29 06:50:56,131 INFO L124 PetriNetUnfolderBase]: 13/225 cut-off events. [2023-11-29 06:50:56,131 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-29 06:50:56,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 225 events. 13/225 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 735 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 172. Up to 8 conditions per place. [2023-11-29 06:50:56,133 INFO L82 GeneralOperation]: Start removeDead. Operand has 185 places, 188 transitions, 394 flow [2023-11-29 06:50:56,138 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 185 places, 188 transitions, 394 flow [2023-11-29 06:50:56,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:50:56,140 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;@b0b4a41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:50:56,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2023-11-29 06:50:56,143 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:50:56,143 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2023-11-29 06:50:56,144 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:50:56,144 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:50:56,144 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] [2023-11-29 06:50:56,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 06:50:56,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:56,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1209940748, now seen corresponding path program 1 times [2023-11-29 06:50:56,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:56,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963164893] [2023-11-29 06:50:56,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:56,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:56,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:50:56,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:56,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963164893] [2023-11-29 06:50:56,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963164893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:56,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:56,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 06:50:56,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734948712] [2023-11-29 06:50:56,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:56,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:50:56,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:56,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:50:56,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:50:56,166 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 188 [2023-11-29 06:50:56,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 188 transitions, 394 flow. Second operand has 2 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:56,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:50:56,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 188 [2023-11-29 06:50:56,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:50:56,577 INFO L124 PetriNetUnfolderBase]: 979/2546 cut-off events. [2023-11-29 06:50:56,577 INFO L125 PetriNetUnfolderBase]: For 412/412 co-relation queries the response was YES. [2023-11-29 06:50:56,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4369 conditions, 2546 events. 979/2546 cut-off events. For 412/412 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 20704 event pairs, 952 based on Foata normal form. 1160/3432 useless extension candidates. Maximal degree in co-relation 3498. Up to 1537 conditions per place. [2023-11-29 06:50:56,597 INFO L140 encePairwiseOnDemand]: 144/188 looper letters, 24 selfloop transitions, 0 changer transitions 0/124 dead transitions. [2023-11-29 06:50:56,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 124 transitions, 314 flow [2023-11-29 06:50:56,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:50:56,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 06:50:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 302 transitions. [2023-11-29 06:50:56,599 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8031914893617021 [2023-11-29 06:50:56,599 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 302 transitions. [2023-11-29 06:50:56,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 302 transitions. [2023-11-29 06:50:56,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:50:56,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 302 transitions. [2023-11-29 06:50:56,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 151.0) internal successors, (302), 2 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:56,602 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 06:50:56,602 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 06:50:56,602 INFO L175 Difference]: Start difference. First operand has 185 places, 188 transitions, 394 flow. Second operand 2 states and 302 transitions. [2023-11-29 06:50:56,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 124 transitions, 314 flow [2023-11-29 06:50:56,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 124 transitions, 312 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-11-29 06:50:56,605 INFO L231 Difference]: Finished difference. Result has 129 places, 124 transitions, 264 flow [2023-11-29 06:50:56,605 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=264, PETRI_PLACES=129, PETRI_TRANSITIONS=124} [2023-11-29 06:50:56,606 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -56 predicate places. [2023-11-29 06:50:56,606 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 124 transitions, 264 flow [2023-11-29 06:50:56,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:56,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:50:56,607 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] [2023-11-29 06:50:56,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:50:56,607 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 06:50:56,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:56,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1183052017, now seen corresponding path program 1 times [2023-11-29 06:50:56,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:56,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944896612] [2023-11-29 06:50:56,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:56,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:56,636 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 06:50:56,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:56,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944896612] [2023-11-29 06:50:56,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944896612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:56,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:56,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:50:56,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997101114] [2023-11-29 06:50:56,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:56,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:50:56,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:56,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:50:56,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:50:56,687 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 188 [2023-11-29 06:50:56,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 124 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:56,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:50:56,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 188 [2023-11-29 06:50:56,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:50:59,513 INFO L124 PetriNetUnfolderBase]: 9810/24329 cut-off events. [2023-11-29 06:50:59,513 INFO L125 PetriNetUnfolderBase]: For 964/964 co-relation queries the response was YES. [2023-11-29 06:50:59,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40930 conditions, 24329 events. 9810/24329 cut-off events. For 964/964 co-relation queries the response was YES. Maximal size of possible extension queue 823. Compared 263658 event pairs, 4149 based on Foata normal form. 0/21829 useless extension candidates. Maximal degree in co-relation 40924. Up to 10505 conditions per place. [2023-11-29 06:50:59,757 INFO L140 encePairwiseOnDemand]: 164/188 looper letters, 71 selfloop transitions, 18 changer transitions 0/165 dead transitions. [2023-11-29 06:50:59,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 165 transitions, 534 flow [2023-11-29 06:50:59,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:50:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:50:59,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2023-11-29 06:50:59,760 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6631205673758865 [2023-11-29 06:50:59,760 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 374 transitions. [2023-11-29 06:50:59,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 374 transitions. [2023-11-29 06:50:59,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:50:59,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 374 transitions. [2023-11-29 06:50:59,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:59,764 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 06:50:59,765 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 06:50:59,765 INFO L175 Difference]: Start difference. First operand has 129 places, 124 transitions, 264 flow. Second operand 3 states and 374 transitions. [2023-11-29 06:50:59,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 165 transitions, 534 flow [2023-11-29 06:50:59,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 165 transitions, 534 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:50:59,771 INFO L231 Difference]: Finished difference. Result has 133 places, 142 transitions, 420 flow [2023-11-29 06:50:59,772 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=133, PETRI_TRANSITIONS=142} [2023-11-29 06:50:59,772 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -52 predicate places. [2023-11-29 06:50:59,773 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 142 transitions, 420 flow [2023-11-29 06:50:59,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:59,773 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:50:59,774 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] [2023-11-29 06:50:59,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:50:59,774 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 06:50:59,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:50:59,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1281095055, now seen corresponding path program 1 times [2023-11-29 06:50:59,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:50:59,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053222321] [2023-11-29 06:50:59,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:50:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:50:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:50:59,811 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 06:50:59,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:50:59,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053222321] [2023-11-29 06:50:59,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053222321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:50:59,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:50:59,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:50:59,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418148312] [2023-11-29 06:50:59,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:50:59,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:50:59,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:50:59,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:50:59,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:50:59,870 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 188 [2023-11-29 06:50:59,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 142 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:50:59,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:50:59,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 188 [2023-11-29 06:50:59,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:51:02,944 INFO L124 PetriNetUnfolderBase]: 12917/30356 cut-off events. [2023-11-29 06:51:02,944 INFO L125 PetriNetUnfolderBase]: For 13345/13914 co-relation queries the response was YES. [2023-11-29 06:51:03,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63466 conditions, 30356 events. 12917/30356 cut-off events. For 13345/13914 co-relation queries the response was YES. Maximal size of possible extension queue 987. Compared 333414 event pairs, 7730 based on Foata normal form. 62/27724 useless extension candidates. Maximal degree in co-relation 63458. Up to 18033 conditions per place. [2023-11-29 06:51:03,162 INFO L140 encePairwiseOnDemand]: 176/188 looper letters, 68 selfloop transitions, 20 changer transitions 0/176 dead transitions. [2023-11-29 06:51:03,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 176 transitions, 722 flow [2023-11-29 06:51:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:51:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:51:03,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2023-11-29 06:51:03,165 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.648936170212766 [2023-11-29 06:51:03,165 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 366 transitions. [2023-11-29 06:51:03,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 366 transitions. [2023-11-29 06:51:03,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:51:03,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 366 transitions. [2023-11-29 06:51:03,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:03,168 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 06:51:03,168 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 06:51:03,168 INFO L175 Difference]: Start difference. First operand has 133 places, 142 transitions, 420 flow. Second operand 3 states and 366 transitions. [2023-11-29 06:51:03,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 176 transitions, 722 flow [2023-11-29 06:51:03,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 176 transitions, 670 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:51:03,198 INFO L231 Difference]: Finished difference. Result has 135 places, 160 transitions, 570 flow [2023-11-29 06:51:03,199 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=135, PETRI_TRANSITIONS=160} [2023-11-29 06:51:03,199 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -50 predicate places. [2023-11-29 06:51:03,199 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 160 transitions, 570 flow [2023-11-29 06:51:03,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:03,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:51:03,200 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 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 06:51:03,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:51:03,200 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 06:51:03,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:03,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1692049452, now seen corresponding path program 1 times [2023-11-29 06:51:03,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:03,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597399158] [2023-11-29 06:51:03,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:03,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:03,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-29 06:51:03,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:03,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597399158] [2023-11-29 06:51:03,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597399158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:03,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:03,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:51:03,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705572512] [2023-11-29 06:51:03,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:03,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:51:03,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:03,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:51:03,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:51:03,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 188 [2023-11-29 06:51:03,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 160 transitions, 570 flow. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:03,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:51:03,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 188 [2023-11-29 06:51:03,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:51:06,836 INFO L124 PetriNetUnfolderBase]: 15412/36113 cut-off events. [2023-11-29 06:51:06,836 INFO L125 PetriNetUnfolderBase]: For 22115/22950 co-relation queries the response was YES. [2023-11-29 06:51:06,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78777 conditions, 36113 events. 15412/36113 cut-off events. For 22115/22950 co-relation queries the response was YES. Maximal size of possible extension queue 1136. Compared 404083 event pairs, 8223 based on Foata normal form. 62/32470 useless extension candidates. Maximal degree in co-relation 78768. Up to 21156 conditions per place. [2023-11-29 06:51:07,100 INFO L140 encePairwiseOnDemand]: 176/188 looper letters, 81 selfloop transitions, 28 changer transitions 0/199 dead transitions. [2023-11-29 06:51:07,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 199 transitions, 963 flow [2023-11-29 06:51:07,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:51:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:51:07,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2023-11-29 06:51:07,102 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6471631205673759 [2023-11-29 06:51:07,102 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2023-11-29 06:51:07,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2023-11-29 06:51:07,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:51:07,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2023-11-29 06:51:07,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:07,104 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 06:51:07,104 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 06:51:07,104 INFO L175 Difference]: Start difference. First operand has 135 places, 160 transitions, 570 flow. Second operand 3 states and 365 transitions. [2023-11-29 06:51:07,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 199 transitions, 963 flow [2023-11-29 06:51:07,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 199 transitions, 907 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:51:07,149 INFO L231 Difference]: Finished difference. Result has 137 places, 184 transitions, 816 flow [2023-11-29 06:51:07,150 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=137, PETRI_TRANSITIONS=184} [2023-11-29 06:51:07,150 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -48 predicate places. [2023-11-29 06:51:07,150 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 184 transitions, 816 flow [2023-11-29 06:51:07,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:07,151 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:51:07,151 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 06:51:07,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:51:07,151 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 06:51:07,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:07,152 INFO L85 PathProgramCache]: Analyzing trace with hash 27448063, now seen corresponding path program 1 times [2023-11-29 06:51:07,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:07,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865305023] [2023-11-29 06:51:07,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:07,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:07,188 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 06:51:07,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:07,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865305023] [2023-11-29 06:51:07,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865305023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:07,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:07,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:51:07,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096340719] [2023-11-29 06:51:07,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:07,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:51:07,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:07,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:51:07,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:51:07,237 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 188 [2023-11-29 06:51:07,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 184 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:07,238 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:51:07,238 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 188 [2023-11-29 06:51:07,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:51:11,341 INFO L124 PetriNetUnfolderBase]: 17528/39703 cut-off events. [2023-11-29 06:51:11,341 INFO L125 PetriNetUnfolderBase]: For 46579/47750 co-relation queries the response was YES. [2023-11-29 06:51:11,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96680 conditions, 39703 events. 17528/39703 cut-off events. For 46579/47750 co-relation queries the response was YES. Maximal size of possible extension queue 1282. Compared 440765 event pairs, 8696 based on Foata normal form. 64/35337 useless extension candidates. Maximal degree in co-relation 96670. Up to 23728 conditions per place. [2023-11-29 06:51:11,787 INFO L140 encePairwiseOnDemand]: 176/188 looper letters, 104 selfloop transitions, 28 changer transitions 0/224 dead transitions. [2023-11-29 06:51:11,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 224 transitions, 1306 flow [2023-11-29 06:51:11,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:51:11,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:51:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2023-11-29 06:51:11,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.648936170212766 [2023-11-29 06:51:11,789 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 366 transitions. [2023-11-29 06:51:11,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 366 transitions. [2023-11-29 06:51:11,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:51:11,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 366 transitions. [2023-11-29 06:51:11,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:11,792 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 06:51:11,793 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 06:51:11,793 INFO L175 Difference]: Start difference. First operand has 137 places, 184 transitions, 816 flow. Second operand 3 states and 366 transitions. [2023-11-29 06:51:11,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 224 transitions, 1306 flow [2023-11-29 06:51:11,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 224 transitions, 1234 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:51:11,890 INFO L231 Difference]: Finished difference. Result has 139 places, 208 transitions, 1090 flow [2023-11-29 06:51:11,891 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1090, PETRI_PLACES=139, PETRI_TRANSITIONS=208} [2023-11-29 06:51:11,891 INFO L281 CegarLoopForPetriNet]: 185 programPoint places, -46 predicate places. [2023-11-29 06:51:11,891 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 208 transitions, 1090 flow [2023-11-29 06:51:11,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:11,892 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:51:11,892 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:51:11,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:51:11,892 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2023-11-29 06:51:11,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:11,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1618900292, now seen corresponding path program 1 times [2023-11-29 06:51:11,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:11,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893293497] [2023-11-29 06:51:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:11,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:51:11,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:51:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:51:11,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:51:11,920 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:51:11,920 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2023-11-29 06:51:11,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2023-11-29 06:51:11,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2023-11-29 06:51:11,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2023-11-29 06:51:11,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2023-11-29 06:51:11,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2023-11-29 06:51:11,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2023-11-29 06:51:11,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2023-11-29 06:51:11,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2023-11-29 06:51:11,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2023-11-29 06:51:11,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2023-11-29 06:51:11,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2023-11-29 06:51:11,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2023-11-29 06:51:11,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2023-11-29 06:51:11,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2023-11-29 06:51:11,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2023-11-29 06:51:11,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2023-11-29 06:51:11,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2023-11-29 06:51:11,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2023-11-29 06:51:11,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2023-11-29 06:51:11,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2023-11-29 06:51:11,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2023-11-29 06:51:11,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2023-11-29 06:51:11,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2023-11-29 06:51:11,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2023-11-29 06:51:11,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2023-11-29 06:51:11,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2023-11-29 06:51:11,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2023-11-29 06:51:11,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2023-11-29 06:51:11,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2023-11-29 06:51:11,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2023-11-29 06:51:11,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2023-11-29 06:51:11,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2023-11-29 06:51:11,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2023-11-29 06:51:11,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2023-11-29 06:51:11,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2023-11-29 06:51:11,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2023-11-29 06:51:11,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2023-11-29 06:51:11,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2023-11-29 06:51:11,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2023-11-29 06:51:11,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2023-11-29 06:51:11,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2023-11-29 06:51:11,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2023-11-29 06:51:11,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2023-11-29 06:51:11,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2023-11-29 06:51:11,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2023-11-29 06:51:11,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2023-11-29 06:51:11,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2023-11-29 06:51:11,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2023-11-29 06:51:11,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2023-11-29 06:51:11,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2023-11-29 06:51:11,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2023-11-29 06:51:11,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2023-11-29 06:51:11,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2023-11-29 06:51:11,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2023-11-29 06:51:11,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2023-11-29 06:51:11,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2023-11-29 06:51:11,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2023-11-29 06:51:11,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2023-11-29 06:51:11,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2023-11-29 06:51:11,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2023-11-29 06:51:11,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 06:51:11,927 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 06:51:11,928 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-29 06:51:11,928 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2023-11-29 06:51:11,963 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 06:51:11,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 238 places, 242 transitions, 512 flow [2023-11-29 06:51:11,997 INFO L124 PetriNetUnfolderBase]: 17/292 cut-off events. [2023-11-29 06:51:11,998 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-29 06:51:11,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 292 events. 17/292 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1090 event pairs, 0 based on Foata normal form. 0/210 useless extension candidates. Maximal degree in co-relation 233. Up to 10 conditions per place. [2023-11-29 06:51:11,999 INFO L82 GeneralOperation]: Start removeDead. Operand has 238 places, 242 transitions, 512 flow [2023-11-29 06:51:12,002 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 238 places, 242 transitions, 512 flow [2023-11-29 06:51:12,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:51:12,004 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;@b0b4a41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:51:12,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2023-11-29 06:51:12,006 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:51:12,006 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2023-11-29 06:51:12,006 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:51:12,006 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:51:12,006 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] [2023-11-29 06:51:12,006 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-29 06:51:12,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:12,007 INFO L85 PathProgramCache]: Analyzing trace with hash -519504180, now seen corresponding path program 1 times [2023-11-29 06:51:12,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:12,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696183853] [2023-11-29 06:51:12,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:12,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:12,020 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 06:51:12,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:12,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696183853] [2023-11-29 06:51:12,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696183853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:12,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:12,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 06:51:12,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729012978] [2023-11-29 06:51:12,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:12,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:51:12,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:12,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:51:12,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:51:12,023 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 242 [2023-11-29 06:51:12,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 242 transitions, 512 flow. Second operand has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:12,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:51:12,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 242 [2023-11-29 06:51:12,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:51:14,406 INFO L124 PetriNetUnfolderBase]: 11816/22152 cut-off events. [2023-11-29 06:51:14,406 INFO L125 PetriNetUnfolderBase]: For 5535/5535 co-relation queries the response was YES. [2023-11-29 06:51:14,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41384 conditions, 22152 events. 11816/22152 cut-off events. For 5535/5535 co-relation queries the response was YES. Maximal size of possible extension queue 1221. Compared 212270 event pairs, 11704 based on Foata normal form. 10852/31112 useless extension candidates. Maximal degree in co-relation 33436. Up to 16385 conditions per place. [2023-11-29 06:51:14,713 INFO L140 encePairwiseOnDemand]: 184/242 looper letters, 32 selfloop transitions, 0 changer transitions 0/159 dead transitions. [2023-11-29 06:51:14,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 159 transitions, 410 flow [2023-11-29 06:51:14,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:51:14,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-29 06:51:14,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 386 transitions. [2023-11-29 06:51:14,715 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7975206611570248 [2023-11-29 06:51:14,715 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 386 transitions. [2023-11-29 06:51:14,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 386 transitions. [2023-11-29 06:51:14,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:51:14,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 386 transitions. [2023-11-29 06:51:14,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 193.0) internal successors, (386), 2 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:14,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:14,719 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:14,719 INFO L175 Difference]: Start difference. First operand has 238 places, 242 transitions, 512 flow. Second operand 2 states and 386 transitions. [2023-11-29 06:51:14,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 159 transitions, 410 flow [2023-11-29 06:51:14,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 159 transitions, 404 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-11-29 06:51:14,724 INFO L231 Difference]: Finished difference. Result has 165 places, 159 transitions, 340 flow [2023-11-29 06:51:14,724 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=340, PETRI_PLACES=165, PETRI_TRANSITIONS=159} [2023-11-29 06:51:14,725 INFO L281 CegarLoopForPetriNet]: 238 programPoint places, -73 predicate places. [2023-11-29 06:51:14,725 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 159 transitions, 340 flow [2023-11-29 06:51:14,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:51:14,726 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:51:14,726 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:51:14,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 06:51:14,726 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-29 06:51:14,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:51:14,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1027274833, now seen corresponding path program 1 times [2023-11-29 06:51:14,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:51:14,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587300202] [2023-11-29 06:51:14,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:51:14,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:51:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:51:14,757 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 06:51:14,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:51:14,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587300202] [2023-11-29 06:51:14,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587300202] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:51:14,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:51:14,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:51:14,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518093805] [2023-11-29 06:51:14,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:51:14,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:51:14,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:51:14,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:51:14,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:51:14,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 242 [2023-11-29 06:51:14,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 159 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 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 06:51:14,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:51:14,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 242 [2023-11-29 06:51:14,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:05,041 INFO L124 PetriNetUnfolderBase]: 265044/515206 cut-off events. [2023-11-29 06:52:05,041 INFO L125 PetriNetUnfolderBase]: For 17932/17932 co-relation queries the response was YES. [2023-11-29 06:52:06,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900212 conditions, 515206 events. 265044/515206 cut-off events. For 17932/17932 co-relation queries the response was YES. Maximal size of possible extension queue 12383. Compared 6722738 event pairs, 124404 based on Foata normal form. 0/461981 useless extension candidates. Maximal degree in co-relation 900205. Up to 235656 conditions per place. [2023-11-29 06:52:09,074 INFO L140 encePairwiseOnDemand]: 210/242 looper letters, 95 selfloop transitions, 24 changer transitions 0/214 dead transitions. [2023-11-29 06:52:09,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 214 transitions, 703 flow [2023-11-29 06:52:09,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:52:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:52:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2023-11-29 06:52:09,076 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6542699724517906 [2023-11-29 06:52:09,076 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 475 transitions. [2023-11-29 06:52:09,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 475 transitions. [2023-11-29 06:52:09,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:52:09,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 475 transitions. [2023-11-29 06:52:09,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:09,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:09,080 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:09,080 INFO L175 Difference]: Start difference. First operand has 165 places, 159 transitions, 340 flow. Second operand 3 states and 475 transitions. [2023-11-29 06:52:09,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 214 transitions, 703 flow [2023-11-29 06:52:09,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 214 transitions, 703 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:52:09,096 INFO L231 Difference]: Finished difference. Result has 169 places, 183 transitions, 548 flow [2023-11-29 06:52:09,096 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=169, PETRI_TRANSITIONS=183} [2023-11-29 06:52:09,097 INFO L281 CegarLoopForPetriNet]: 238 programPoint places, -69 predicate places. [2023-11-29 06:52:09,097 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 183 transitions, 548 flow [2023-11-29 06:52:09,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 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 06:52:09,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:52:09,097 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:52:09,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 06:52:09,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-29 06:52:09,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:52:09,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1962599112, now seen corresponding path program 1 times [2023-11-29 06:52:09,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:52:09,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243931864] [2023-11-29 06:52:09,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:52:09,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:52:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:52:09,126 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 06:52:09,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:52:09,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243931864] [2023-11-29 06:52:09,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243931864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:52:09,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:52:09,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:52:09,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018777515] [2023-11-29 06:52:09,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:52:09,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:52:09,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:52:09,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:52:09,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:52:09,201 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 242 [2023-11-29 06:52:09,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 183 transitions, 548 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:52:09,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:52:09,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 242 [2023-11-29 06:52:09,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:52:39,800 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1070] L720-->L720-1: Formula: (= |v_#race~count~0_7| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_7|} AuxVars[] AssignedVars[#race~count~0][103], [75#L719-1true, 20#L724-6true, 29#L720-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, Black: 244#true, 7#L733-5true, 48#L720-2true]) [2023-11-29 06:52:39,801 INFO L294 olderBase$Statistics]: this new event has 87 ancestors and is cut-off event [2023-11-29 06:52:39,801 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2023-11-29 06:52:39,801 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2023-11-29 06:52:39,801 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2023-11-29 06:52:39,903 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1070] L720-->L720-1: Formula: (= |v_#race~count~0_7| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_7|} AuxVars[] AssignedVars[#race~count~0][103], [83#L719-1true, 29#L720-1true, thr1Thread1of4ForFork0InUse, 50#L724-6true, thr1Thread2of4ForFork0InUse, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, Black: 244#true, 7#L733-5true, 48#L720-2true]) [2023-11-29 06:52:39,903 INFO L294 olderBase$Statistics]: this new event has 87 ancestors and is cut-off event [2023-11-29 06:52:39,903 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2023-11-29 06:52:39,903 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2023-11-29 06:52:39,903 INFO L297 olderBase$Statistics]: existing Event has 87 ancestors and is cut-off event [2023-11-29 06:52:40,350 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1012] L719-4-->L719-5: Formula: (= |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~count~0_4|) InVars {thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{#race~count~0=|v_#race~count~0_4|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~count~0][201], [thr1Thread1of4ForFork0InUse, 50#L724-6true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 10#L719-5true, 181#L719-6true, 241#true, 250#true, 7#L733-5true, Black: 246#(= |#race~count~0| 0), 244#true, 196#L720-2true]) [2023-11-29 06:52:40,350 INFO L294 olderBase$Statistics]: this new event has 88 ancestors and is cut-off event [2023-11-29 06:52:40,350 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:40,350 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:40,350 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,849 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1023] L721-->L721-5: Formula: (= 1 v_~COND~0_29) InVars {} OutVars{thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5|, #race~COND~0=|v_#race~COND~0_36|, ~COND~0=v_~COND~0_29} AuxVars[] AssignedVars[thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1, #race~COND~0, ~COND~0][187], [75#L719-1true, 20#L724-6true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 215#L721-5true, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, Black: 244#true, 250#true, 7#L733-5true, 98#L720true]) [2023-11-29 06:52:41,849 INFO L294 olderBase$Statistics]: this new event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,849 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,849 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,849 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,850 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1026] L724-->L724-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_129 256) 1) 1 0) 0)) (= v_~MTX~0_128 0)) InVars {~MTX~0=v_~MTX~0_129} OutVars{thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1_7|, thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1_5|, #race~MTX~0=|v_#race~MTX~0_163|, ~MTX~0=v_~MTX~0_128, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1_7|} AuxVars[] AssignedVars[thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1, ~MTX~0, thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1, #race~MTX~0, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1][188], [75#L719-1true, 20#L724-6true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, 81#L724-1true, thr1Thread4of4ForFork0InUse, 241#true, Black: 244#true, 250#true, 7#L733-5true, 98#L720true]) [2023-11-29 06:52:41,850 INFO L294 olderBase$Statistics]: this new event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,850 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,850 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,850 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,856 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1070] L720-->L720-1: Formula: (= |v_#race~count~0_7| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_7|} AuxVars[] AssignedVars[#race~count~0][103], [75#L719-1true, 29#L720-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, Black: 244#true, 7#L733-5true, 46#L724-11true, 48#L720-2true]) [2023-11-29 06:52:41,856 INFO L294 olderBase$Statistics]: this new event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,856 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,856 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,856 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,972 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1070] L720-->L720-1: Formula: (= |v_#race~count~0_7| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_7|} AuxVars[] AssignedVars[#race~count~0][103], [83#L719-1true, 29#L720-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 152#L724-11true, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, Black: 244#true, 7#L733-5true, 48#L720-2true]) [2023-11-29 06:52:41,972 INFO L294 olderBase$Statistics]: this new event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,983 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,983 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:41,983 INFO L297 olderBase$Statistics]: existing Event has 88 ancestors and is cut-off event [2023-11-29 06:52:42,450 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1012] L719-4-->L719-5: Formula: (= |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~count~0_4|) InVars {thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{#race~count~0=|v_#race~count~0_4|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~count~0][201], [thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 152#L724-11true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 10#L719-5true, 181#L719-6true, 241#true, 250#true, 7#L733-5true, Black: 246#(= |#race~count~0| 0), 244#true, 196#L720-2true]) [2023-11-29 06:52:42,450 INFO L294 olderBase$Statistics]: this new event has 89 ancestors and is cut-off event [2023-11-29 06:52:42,450 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:42,450 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:42,450 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,936 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1023] L721-->L721-5: Formula: (= 1 v_~COND~0_29) InVars {} OutVars{thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5|, #race~COND~0=|v_#race~COND~0_36|, ~COND~0=v_~COND~0_29} AuxVars[] AssignedVars[thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1, #race~COND~0, ~COND~0][187], [75#L719-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 215#L721-5true, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, Black: 244#true, 250#true, 7#L733-5true, 98#L720true, 46#L724-11true]) [2023-11-29 06:52:43,936 INFO L294 olderBase$Statistics]: this new event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,937 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,937 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,937 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,937 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1026] L724-->L724-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_129 256) 1) 1 0) 0)) (= v_~MTX~0_128 0)) InVars {~MTX~0=v_~MTX~0_129} OutVars{thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1_7|, thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1_5|, #race~MTX~0=|v_#race~MTX~0_163|, ~MTX~0=v_~MTX~0_128, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1_7|} AuxVars[] AssignedVars[thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1, ~MTX~0, thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1, #race~MTX~0, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1][188], [75#L719-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, 81#L724-1true, thr1Thread4of4ForFork0InUse, 241#true, Black: 244#true, 250#true, 7#L733-5true, 98#L720true, 46#L724-11true]) [2023-11-29 06:52:43,937 INFO L294 olderBase$Statistics]: this new event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,937 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,937 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,938 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,945 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1070] L720-->L720-1: Formula: (= |v_#race~count~0_7| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_7|} AuxVars[] AssignedVars[#race~count~0][103], [75#L719-1true, 29#L720-1true, 102#L724-12true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, Black: 244#true, 250#true, 7#L733-5true, 48#L720-2true]) [2023-11-29 06:52:43,945 INFO L294 olderBase$Statistics]: this new event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,945 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,945 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:43,945 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:44,039 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1070] L720-->L720-1: Formula: (= |v_#race~count~0_7| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_7|} AuxVars[] AssignedVars[#race~count~0][103], [83#L719-1true, 29#L720-1true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 39#L724-12true, Black: 244#true, 250#true, 7#L733-5true, 48#L720-2true]) [2023-11-29 06:52:44,040 INFO L294 olderBase$Statistics]: this new event has 89 ancestors and is cut-off event [2023-11-29 06:52:44,040 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:44,040 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:44,040 INFO L297 olderBase$Statistics]: existing Event has 89 ancestors and is cut-off event [2023-11-29 06:52:44,831 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1012] L719-4-->L719-5: Formula: (= |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~count~0_4|) InVars {thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{#race~count~0=|v_#race~count~0_4|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~count~0][201], [thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 10#L719-5true, 181#L719-6true, 241#true, 39#L724-12true, 250#true, 7#L733-5true, 244#true, Black: 246#(= |#race~count~0| 0), 196#L720-2true]) [2023-11-29 06:52:44,831 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2023-11-29 06:52:44,832 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:44,832 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:44,832 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,062 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([959] L719-4-->L719-5: Formula: (= |v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~count~0_4|) InVars {thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{#race~count~0=|v_#race~count~0_4|, thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~count~0][93], [20#L724-6true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, 7#L733-5true, Black: 246#(= |#race~count~0| 0), 244#true, 98#L720true, 206#L719-5true, 48#L720-2true]) [2023-11-29 06:52:46,062 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,062 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,062 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,062 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,331 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1023] L721-->L721-5: Formula: (= 1 v_~COND~0_29) InVars {} OutVars{thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5|, #race~COND~0=|v_#race~COND~0_36|, ~COND~0=v_~COND~0_29} AuxVars[] AssignedVars[thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1, #race~COND~0, ~COND~0][187], [75#L719-1true, 102#L724-12true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 215#L721-5true, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, Black: 244#true, 250#true, 7#L733-5true, 98#L720true]) [2023-11-29 06:52:46,331 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,331 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,332 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,332 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,332 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1026] L724-->L724-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_129 256) 1) 1 0) 0)) (= v_~MTX~0_128 0)) InVars {~MTX~0=v_~MTX~0_129} OutVars{thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1_7|, thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1_5|, #race~MTX~0=|v_#race~MTX~0_163|, ~MTX~0=v_~MTX~0_128, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1_7|} AuxVars[] AssignedVars[thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1, ~MTX~0, thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1, #race~MTX~0, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1][188], [75#L719-1true, 102#L724-12true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, 81#L724-1true, thr1Thread4of4ForFork0InUse, 241#true, Black: 244#true, 250#true, 7#L733-5true, 98#L720true]) [2023-11-29 06:52:46,332 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,332 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,333 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,333 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,339 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1070] L720-->L720-1: Formula: (= |v_#race~count~0_7| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_7|} AuxVars[] AssignedVars[#race~count~0][103], [75#L719-1true, 29#L720-1true, 32#L725true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, Black: 244#true, 7#L733-5true, 48#L720-2true]) [2023-11-29 06:52:46,340 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,340 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,340 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,340 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,365 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1118] L719-4-->L719-5: Formula: (= |v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~count~0_4|) InVars {thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_5|, #race~count~0=|v_#race~count~0_4|} AuxVars[] AssignedVars[#race~count~0][50], [thr1Thread1of4ForFork0InUse, 50#L724-6true, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, 244#true, Black: 246#(= |#race~count~0| 0), 7#L733-5true, 98#L720true, 48#L720-2true, 226#L719-5true]) [2023-11-29 06:52:46,365 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,365 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,365 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,365 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,436 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1070] L720-->L720-1: Formula: (= |v_#race~count~0_7| 0) InVars {} OutVars{#race~count~0=|v_#race~count~0_7|} AuxVars[] AssignedVars[#race~count~0][103], [83#L719-1true, 29#L720-1true, 73#L725true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, Black: 244#true, 7#L733-5true, 48#L720-2true]) [2023-11-29 06:52:46,436 INFO L294 olderBase$Statistics]: this new event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,436 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,436 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,437 INFO L297 olderBase$Statistics]: existing Event has 90 ancestors and is cut-off event [2023-11-29 06:52:46,901 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1012] L719-4-->L719-5: Formula: (= |v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~count~0_4|) InVars {thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{#race~count~0=|v_#race~count~0_4|, thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~count~0][201], [73#L725true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 10#L719-5true, 181#L719-6true, 241#true, 250#true, 7#L733-5true, Black: 246#(= |#race~count~0| 0), 244#true, 196#L720-2true]) [2023-11-29 06:52:46,901 INFO L294 olderBase$Statistics]: this new event has 91 ancestors and is cut-off event [2023-11-29 06:52:46,901 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:46,901 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:46,901 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,459 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([959] L719-4-->L719-5: Formula: (= |v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~count~0_4|) InVars {thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{#race~count~0=|v_#race~count~0_4|, thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~count~0][93], [thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, 7#L733-5true, 244#true, Black: 246#(= |#race~count~0| 0), 98#L720true, 206#L719-5true, 46#L724-11true, 48#L720-2true]) [2023-11-29 06:52:48,460 INFO L294 olderBase$Statistics]: this new event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,460 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,460 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,460 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,485 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1023] L721-->L721-5: Formula: (= 1 v_~COND~0_29) InVars {} OutVars{thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1=|v_thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1_5|, #race~COND~0=|v_#race~COND~0_36|, ~COND~0=v_~COND~0_29} AuxVars[] AssignedVars[thr1Thread4of4ForFork0_Barrier2_#t~nondet8#1, #race~COND~0, ~COND~0][187], [75#L719-1true, 32#L725true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 215#L721-5true, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, Black: 244#true, 7#L733-5true, 98#L720true]) [2023-11-29 06:52:48,485 INFO L294 olderBase$Statistics]: this new event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,485 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,485 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,485 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,485 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1026] L724-->L724-1: Formula: (and (not (= (ite (= (mod v_~MTX~0_129 256) 1) 1 0) 0)) (= v_~MTX~0_128 0)) InVars {~MTX~0=v_~MTX~0_129} OutVars{thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1_7|, thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1_5|, #race~MTX~0=|v_#race~MTX~0_163|, ~MTX~0=v_~MTX~0_128, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1_7|} AuxVars[] AssignedVars[thr1Thread4of4ForFork0___VERIFIER_atomic_release_#t~nondet5#1, ~MTX~0, thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1, #race~MTX~0, thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1][188], [75#L719-1true, 32#L725true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 246#(= |#race~count~0| 0), thr1Thread3of4ForFork0InUse, 81#L724-1true, thr1Thread4of4ForFork0InUse, 241#true, Black: 244#true, 250#true, 7#L733-5true, 98#L720true]) [2023-11-29 06:52:48,486 INFO L294 olderBase$Statistics]: this new event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,486 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,486 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,486 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,511 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1118] L719-4-->L719-5: Formula: (= |v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~count~0_4|) InVars {thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_5|, #race~count~0=|v_#race~count~0_4|} AuxVars[] AssignedVars[#race~count~0][50], [thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, 152#L724-11true, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, 7#L733-5true, Black: 246#(= |#race~count~0| 0), 244#true, 98#L720true, 48#L720-2true, 226#L719-5true]) [2023-11-29 06:52:48,512 INFO L294 olderBase$Statistics]: this new event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,512 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,512 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:48,512 INFO L297 olderBase$Statistics]: existing Event has 91 ancestors and is cut-off event [2023-11-29 06:52:50,644 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([959] L719-4-->L719-5: Formula: (= |v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~count~0_4|) InVars {thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{#race~count~0=|v_#race~count~0_4|, thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread3of4ForFork0_Barrier2_#t~nondet7#1_5|} AuxVars[] AssignedVars[#race~count~0][93], [102#L724-12true, thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 250#true, Black: 246#(= |#race~count~0| 0), 244#true, 7#L733-5true, 206#L719-5true, 98#L720true, 48#L720-2true]) [2023-11-29 06:52:50,645 INFO L294 olderBase$Statistics]: this new event has 92 ancestors and is cut-off event [2023-11-29 06:52:50,645 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event [2023-11-29 06:52:50,645 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event [2023-11-29 06:52:50,645 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event [2023-11-29 06:52:50,700 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1118] L719-4-->L719-5: Formula: (= |v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_5| |v_#race~count~0_4|) InVars {thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_5|} OutVars{thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1=|v_thr1Thread2of4ForFork0_Barrier2_#t~nondet7#1_5|, #race~count~0=|v_#race~count~0_4|} AuxVars[] AssignedVars[#race~count~0][50], [thr1Thread1of4ForFork0InUse, thr1Thread2of4ForFork0InUse, thr1Thread3of4ForFork0InUse, thr1Thread4of4ForFork0InUse, 241#true, 39#L724-12true, 250#true, 244#true, Black: 246#(= |#race~count~0| 0), 7#L733-5true, 98#L720true, 48#L720-2true, 226#L719-5true]) [2023-11-29 06:52:50,700 INFO L294 olderBase$Statistics]: this new event has 92 ancestors and is cut-off event [2023-11-29 06:52:50,700 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event [2023-11-29 06:52:50,700 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event [2023-11-29 06:52:50,700 INFO L297 olderBase$Statistics]: existing Event has 92 ancestors and is cut-off event