./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:20:59,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:21:00,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:21:00,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:21:00,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:21:00,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:21:00,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:21:00,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:21:00,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:21:00,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:21:00,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:21:00,123 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:21:00,123 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:21:00,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:21:00,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:21:00,125 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:21:00,126 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:21:00,126 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:21:00,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:21:00,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:21:00,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:21:00,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:21:00,129 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:21:00,129 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:21:00,129 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:21:00,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:21:00,130 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:21:00,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:21:00,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:21:00,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:21:00,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:00,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:21:00,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:21:00,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:21:00,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:21:00,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:21:00,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:21:00,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:21:00,134 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:21:00,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:21:00,135 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:21:00,135 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_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 [2023-11-06 22:21:00,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:21:00,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:21:00,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:21:00,445 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:21:00,445 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:21:00,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2023-11-06 22:21:03,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:21:04,027 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:21:04,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2023-11-06 22:21:04,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/data/84fe938f0/5dc5e8147c3a4559858d309af2813ef3/FLAG75192a6f9 [2023-11-06 22:21:04,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/data/84fe938f0/5dc5e8147c3a4559858d309af2813ef3 [2023-11-06 22:21:04,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:21:04,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:21:04,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:04,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:21:04,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:21:04,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:04,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec00abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04, skipping insertion in model container [2023-11-06 22:21:04,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:04,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:21:04,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:04,826 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:21:04,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:04,985 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:21:04,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04 WrapperNode [2023-11-06 22:21:04,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:04,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:04,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:21:04,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:21:04,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:05,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:05,083 INFO L138 Inliner]: procedures = 262, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2023-11-06 22:21:05,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:05,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:21:05,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:21:05,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:21:05,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:05,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:05,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:05,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:05,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:05,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:05,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:05,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:05,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:21:05,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:21:05,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:21:05,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:21:05,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (1/1) ... [2023-11-06 22:21:05,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:05,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:05,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:21:05,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:21:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:21:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:21:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:21:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:21:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:21:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:21:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 22:21:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 22:21:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:21:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:21:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:21:05,248 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:21:05,414 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:21:05,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:21:05,712 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:21:05,720 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:21:05,721 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:21:05,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:05 BoogieIcfgContainer [2023-11-06 22:21:05,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:21:05,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:21:05,726 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:21:05,729 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:21:05,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:21:04" (1/3) ... [2023-11-06 22:21:05,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c45faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:05, skipping insertion in model container [2023-11-06 22:21:05,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:04" (2/3) ... [2023-11-06 22:21:05,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c45faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:05, skipping insertion in model container [2023-11-06 22:21:05,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:05" (3/3) ... [2023-11-06 22:21:05,733 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_12-ptr_nr.i [2023-11-06 22:21:05,743 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:21:05,754 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:21:05,754 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-06 22:21:05,755 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:21:05,829 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 22:21:05,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 91 transitions, 189 flow [2023-11-06 22:21:05,953 INFO L124 PetriNetUnfolderBase]: 0/90 cut-off events. [2023-11-06 22:21:05,954 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:21:05,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 90 events. 0/90 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-06 22:21:05,957 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 91 transitions, 189 flow [2023-11-06 22:21:05,965 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 82 transitions, 167 flow [2023-11-06 22:21:05,969 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:21:05,990 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 82 transitions, 167 flow [2023-11-06 22:21:05,995 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 82 transitions, 167 flow [2023-11-06 22:21:05,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 86 places, 82 transitions, 167 flow [2023-11-06 22:21:06,051 INFO L124 PetriNetUnfolderBase]: 0/82 cut-off events. [2023-11-06 22:21:06,052 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:21:06,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 82 events. 0/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-06 22:21:06,056 INFO L119 LiptonReduction]: Number of co-enabled transitions 1392 [2023-11-06 22:21:08,440 INFO L134 LiptonReduction]: Checked pairs total: 10402 [2023-11-06 22:21:08,441 INFO L136 LiptonReduction]: Total number of compositions: 41 [2023-11-06 22:21:08,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:21:08,484 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=LoopsAndPotentialCycles, 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;@7e9a4d01, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:21:08,485 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 22:21:08,498 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:21:08,499 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2023-11-06 22:21:08,499 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:21:08,499 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:08,500 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:08,501 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:08,507 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:08,507 INFO L85 PathProgramCache]: Analyzing trace with hash 483882307, now seen corresponding path program 1 times [2023-11-06 22:21:08,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:08,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213637750] [2023-11-06 22:21:08,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:08,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:09,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:09,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213637750] [2023-11-06 22:21:09,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213637750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:09,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:09,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:21:09,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544164649] [2023-11-06 22:21:09,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:09,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:21:09,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:09,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:21:09,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:21:09,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 132 [2023-11-06 22:21:09,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 74.5) internal successors, (447), 6 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:09,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:09,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 132 [2023-11-06 22:21:09,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:09,931 INFO L124 PetriNetUnfolderBase]: 147/434 cut-off events. [2023-11-06 22:21:09,931 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:21:09,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 434 events. 147/434 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2002 event pairs, 74 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 754. Up to 244 conditions per place. [2023-11-06 22:21:09,940 INFO L140 encePairwiseOnDemand]: 121/132 looper letters, 44 selfloop transitions, 22 changer transitions 0/82 dead transitions. [2023-11-06 22:21:09,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 82 transitions, 299 flow [2023-11-06 22:21:09,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:21:09,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:21:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 505 transitions. [2023-11-06 22:21:09,959 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6376262626262627 [2023-11-06 22:21:09,960 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 505 transitions. [2023-11-06 22:21:09,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 505 transitions. [2023-11-06 22:21:09,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:09,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 505 transitions. [2023-11-06 22:21:09,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 84.16666666666667) internal successors, (505), 6 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:09,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:09,982 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:09,984 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 85 flow. Second operand 6 states and 505 transitions. [2023-11-06 22:21:09,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 82 transitions, 299 flow [2023-11-06 22:21:09,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 82 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:21:09,992 INFO L231 Difference]: Finished difference. Result has 54 places, 62 transitions, 234 flow [2023-11-06 22:21:09,994 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=54, PETRI_TRANSITIONS=62} [2023-11-06 22:21:09,998 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 9 predicate places. [2023-11-06 22:21:09,999 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 62 transitions, 234 flow [2023-11-06 22:21:09,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.5) internal successors, (447), 6 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:10,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:10,000 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:10,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:21:10,000 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:10,001 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:10,001 INFO L85 PathProgramCache]: Analyzing trace with hash 2111220312, now seen corresponding path program 1 times [2023-11-06 22:21:10,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:10,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612211578] [2023-11-06 22:21:10,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:10,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:10,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:10,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:10,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612211578] [2023-11-06 22:21:10,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612211578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:10,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:10,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:21:10,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539269890] [2023-11-06 22:21:10,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:10,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:21:10,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:10,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:21:10,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:21:10,575 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 132 [2023-11-06 22:21:10,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 62 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 74.5) internal successors, (447), 6 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:10,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:10,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 132 [2023-11-06 22:21:10,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:10,826 INFO L124 PetriNetUnfolderBase]: 184/554 cut-off events. [2023-11-06 22:21:10,827 INFO L125 PetriNetUnfolderBase]: For 115/120 co-relation queries the response was YES. [2023-11-06 22:21:10,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1150 conditions, 554 events. 184/554 cut-off events. For 115/120 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2879 event pairs, 66 based on Foata normal form. 1/530 useless extension candidates. Maximal degree in co-relation 1137. Up to 293 conditions per place. [2023-11-06 22:21:10,841 INFO L140 encePairwiseOnDemand]: 121/132 looper letters, 54 selfloop transitions, 26 changer transitions 0/100 dead transitions. [2023-11-06 22:21:10,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 100 transitions, 488 flow [2023-11-06 22:21:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:21:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:21:10,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 502 transitions. [2023-11-06 22:21:10,849 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6338383838383839 [2023-11-06 22:21:10,849 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 502 transitions. [2023-11-06 22:21:10,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 502 transitions. [2023-11-06 22:21:10,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:10,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 502 transitions. [2023-11-06 22:21:10,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 83.66666666666667) internal successors, (502), 6 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:10,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:10,858 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:10,858 INFO L175 Difference]: Start difference. First operand has 54 places, 62 transitions, 234 flow. Second operand 6 states and 502 transitions. [2023-11-06 22:21:10,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 100 transitions, 488 flow [2023-11-06 22:21:10,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 100 transitions, 488 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:21:10,865 INFO L231 Difference]: Finished difference. Result has 64 places, 83 transitions, 418 flow [2023-11-06 22:21:10,865 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=418, PETRI_PLACES=64, PETRI_TRANSITIONS=83} [2023-11-06 22:21:10,866 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 19 predicate places. [2023-11-06 22:21:10,866 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 83 transitions, 418 flow [2023-11-06 22:21:10,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 74.5) internal successors, (447), 6 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:10,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:10,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:10,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:21:10,868 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:10,868 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:10,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1645230316, now seen corresponding path program 1 times [2023-11-06 22:21:10,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:10,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100686923] [2023-11-06 22:21:10,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:10,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:11,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:11,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100686923] [2023-11-06 22:21:11,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100686923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:11,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:11,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:21:11,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095545995] [2023-11-06 22:21:11,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:11,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:21:11,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:11,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:21:11,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:21:11,415 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 132 [2023-11-06 22:21:11,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 83 transitions, 418 flow. Second operand has 6 states, 6 states have (on average 63.333333333333336) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:11,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:11,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 132 [2023-11-06 22:21:11,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:11,779 INFO L124 PetriNetUnfolderBase]: 379/906 cut-off events. [2023-11-06 22:21:11,779 INFO L125 PetriNetUnfolderBase]: For 595/598 co-relation queries the response was YES. [2023-11-06 22:21:11,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2507 conditions, 906 events. 379/906 cut-off events. For 595/598 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4681 event pairs, 147 based on Foata normal form. 0/865 useless extension candidates. Maximal degree in co-relation 2489. Up to 663 conditions per place. [2023-11-06 22:21:11,793 INFO L140 encePairwiseOnDemand]: 117/132 looper letters, 88 selfloop transitions, 53 changer transitions 0/150 dead transitions. [2023-11-06 22:21:11,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 150 transitions, 968 flow [2023-11-06 22:21:11,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:21:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:21:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 457 transitions. [2023-11-06 22:21:11,797 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.577020202020202 [2023-11-06 22:21:11,798 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 457 transitions. [2023-11-06 22:21:11,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 457 transitions. [2023-11-06 22:21:11,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:11,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 457 transitions. [2023-11-06 22:21:11,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 76.16666666666667) internal successors, (457), 6 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:11,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:11,807 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:11,808 INFO L175 Difference]: Start difference. First operand has 64 places, 83 transitions, 418 flow. Second operand 6 states and 457 transitions. [2023-11-06 22:21:11,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 150 transitions, 968 flow [2023-11-06 22:21:11,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 150 transitions, 968 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:21:11,828 INFO L231 Difference]: Finished difference. Result has 74 places, 130 transitions, 900 flow [2023-11-06 22:21:11,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=900, PETRI_PLACES=74, PETRI_TRANSITIONS=130} [2023-11-06 22:21:11,830 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 29 predicate places. [2023-11-06 22:21:11,831 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 130 transitions, 900 flow [2023-11-06 22:21:11,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.333333333333336) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:11,832 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:11,832 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:11,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:21:11,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:11,834 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:11,834 INFO L85 PathProgramCache]: Analyzing trace with hash 455988443, now seen corresponding path program 1 times [2023-11-06 22:21:11,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:11,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869102165] [2023-11-06 22:21:11,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:11,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:12,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:12,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:12,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869102165] [2023-11-06 22:21:12,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869102165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:12,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:12,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:21:12,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035474138] [2023-11-06 22:21:12,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:12,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:21:12,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:12,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:21:12,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:21:12,342 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 132 [2023-11-06 22:21:12,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 130 transitions, 900 flow. Second operand has 6 states, 6 states have (on average 65.5) internal successors, (393), 6 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:12,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:12,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 132 [2023-11-06 22:21:12,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:12,770 INFO L124 PetriNetUnfolderBase]: 472/1106 cut-off events. [2023-11-06 22:21:12,771 INFO L125 PetriNetUnfolderBase]: For 1501/1529 co-relation queries the response was YES. [2023-11-06 22:21:12,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3740 conditions, 1106 events. 472/1106 cut-off events. For 1501/1529 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 5950 event pairs, 125 based on Foata normal form. 1/1057 useless extension candidates. Maximal degree in co-relation 3717. Up to 821 conditions per place. [2023-11-06 22:21:12,787 INFO L140 encePairwiseOnDemand]: 113/132 looper letters, 128 selfloop transitions, 83 changer transitions 0/220 dead transitions. [2023-11-06 22:21:12,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 220 transitions, 1768 flow [2023-11-06 22:21:12,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:21:12,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:21:12,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 481 transitions. [2023-11-06 22:21:12,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6073232323232324 [2023-11-06 22:21:12,791 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 481 transitions. [2023-11-06 22:21:12,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 481 transitions. [2023-11-06 22:21:12,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:12,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 481 transitions. [2023-11-06 22:21:12,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 80.16666666666667) internal successors, (481), 6 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:12,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:12,797 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:12,798 INFO L175 Difference]: Start difference. First operand has 74 places, 130 transitions, 900 flow. Second operand 6 states and 481 transitions. [2023-11-06 22:21:12,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 220 transitions, 1768 flow [2023-11-06 22:21:12,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 220 transitions, 1704 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-11-06 22:21:12,817 INFO L231 Difference]: Finished difference. Result has 84 places, 199 transitions, 1592 flow [2023-11-06 22:21:12,818 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1592, PETRI_PLACES=84, PETRI_TRANSITIONS=199} [2023-11-06 22:21:12,819 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 39 predicate places. [2023-11-06 22:21:12,819 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 199 transitions, 1592 flow [2023-11-06 22:21:12,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 65.5) internal successors, (393), 6 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:12,820 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:12,820 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:12,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:21:12,821 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:12,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:12,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1297151220, now seen corresponding path program 1 times [2023-11-06 22:21:12,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:12,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046992173] [2023-11-06 22:21:12,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:12,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:12,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:12,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046992173] [2023-11-06 22:21:12,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046992173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:12,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:12,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:21:12,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804694868] [2023-11-06 22:21:12,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:12,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:21:12,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:12,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:21:12,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:12,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 132 [2023-11-06 22:21:12,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 199 transitions, 1592 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:12,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:12,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 132 [2023-11-06 22:21:12,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:12,983 INFO L124 PetriNetUnfolderBase]: 40/164 cut-off events. [2023-11-06 22:21:12,983 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2023-11-06 22:21:12,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 164 events. 40/164 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 500 event pairs, 5 based on Foata normal form. 8/161 useless extension candidates. Maximal degree in co-relation 533. Up to 54 conditions per place. [2023-11-06 22:21:12,986 INFO L140 encePairwiseOnDemand]: 128/132 looper letters, 9 selfloop transitions, 5 changer transitions 0/59 dead transitions. [2023-11-06 22:21:12,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 59 transitions, 382 flow [2023-11-06 22:21:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:21:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:21:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 266 transitions. [2023-11-06 22:21:12,989 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6717171717171717 [2023-11-06 22:21:12,989 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 266 transitions. [2023-11-06 22:21:12,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 266 transitions. [2023-11-06 22:21:12,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:12,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 266 transitions. [2023-11-06 22:21:12,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:12,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:12,993 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:12,994 INFO L175 Difference]: Start difference. First operand has 84 places, 199 transitions, 1592 flow. Second operand 3 states and 266 transitions. [2023-11-06 22:21:12,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 59 transitions, 382 flow [2023-11-06 22:21:12,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 59 transitions, 256 flow, removed 33 selfloop flow, removed 30 redundant places. [2023-11-06 22:21:12,999 INFO L231 Difference]: Finished difference. Result has 53 places, 59 transitions, 238 flow [2023-11-06 22:21:13,000 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=238, PETRI_PLACES=53, PETRI_TRANSITIONS=59} [2023-11-06 22:21:13,001 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 8 predicate places. [2023-11-06 22:21:13,001 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 59 transitions, 238 flow [2023-11-06 22:21:13,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:13,002 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:13,002 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:13,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:21:13,002 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:13,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:13,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1242719545, now seen corresponding path program 1 times [2023-11-06 22:21:13,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:13,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72366985] [2023-11-06 22:21:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:13,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:13,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:13,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72366985] [2023-11-06 22:21:13,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72366985] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:13,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:13,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:21:13,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805746639] [2023-11-06 22:21:13,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:13,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:21:13,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:13,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:21:13,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:21:13,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 132 [2023-11-06 22:21:13,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 59 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 73.5) internal successors, (441), 6 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:13,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:13,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 132 [2023-11-06 22:21:13,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:13,719 INFO L124 PetriNetUnfolderBase]: 97/283 cut-off events. [2023-11-06 22:21:13,719 INFO L125 PetriNetUnfolderBase]: For 119/123 co-relation queries the response was YES. [2023-11-06 22:21:13,720 INFO L83 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 283 events. 97/283 cut-off events. For 119/123 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1097 event pairs, 7 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 833. Up to 158 conditions per place. [2023-11-06 22:21:13,722 INFO L140 encePairwiseOnDemand]: 122/132 looper letters, 53 selfloop transitions, 25 changer transitions 19/110 dead transitions. [2023-11-06 22:21:13,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 110 transitions, 670 flow [2023-11-06 22:21:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:21:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:21:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 492 transitions. [2023-11-06 22:21:13,727 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6212121212121212 [2023-11-06 22:21:13,727 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 492 transitions. [2023-11-06 22:21:13,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 492 transitions. [2023-11-06 22:21:13,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:13,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 492 transitions. [2023-11-06 22:21:13,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 82.0) internal successors, (492), 6 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:13,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:13,733 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:13,734 INFO L175 Difference]: Start difference. First operand has 53 places, 59 transitions, 238 flow. Second operand 6 states and 492 transitions. [2023-11-06 22:21:13,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 110 transitions, 670 flow [2023-11-06 22:21:13,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 110 transitions, 653 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:21:13,740 INFO L231 Difference]: Finished difference. Result has 62 places, 79 transitions, 449 flow [2023-11-06 22:21:13,741 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=449, PETRI_PLACES=62, PETRI_TRANSITIONS=79} [2023-11-06 22:21:13,742 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 17 predicate places. [2023-11-06 22:21:13,742 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 79 transitions, 449 flow [2023-11-06 22:21:13,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.5) internal successors, (441), 6 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:13,743 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:13,743 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:13,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:21:13,744 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:13,745 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:13,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1379869411, now seen corresponding path program 1 times [2023-11-06 22:21:13,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:13,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751925602] [2023-11-06 22:21:13,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:13,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:14,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:14,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:14,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751925602] [2023-11-06 22:21:14,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751925602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:14,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:14,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:21:14,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047641511] [2023-11-06 22:21:14,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:14,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:21:14,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:14,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:21:14,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:21:14,823 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 132 [2023-11-06 22:21:14,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 79 transitions, 449 flow. Second operand has 9 states, 9 states have (on average 61.111111111111114) internal successors, (550), 9 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:14,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:14,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 132 [2023-11-06 22:21:14,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:15,225 INFO L124 PetriNetUnfolderBase]: 95/296 cut-off events. [2023-11-06 22:21:15,226 INFO L125 PetriNetUnfolderBase]: For 250/250 co-relation queries the response was YES. [2023-11-06 22:21:15,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1107 conditions, 296 events. 95/296 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1154 event pairs, 31 based on Foata normal form. 9/305 useless extension candidates. Maximal degree in co-relation 1088. Up to 117 conditions per place. [2023-11-06 22:21:15,231 INFO L140 encePairwiseOnDemand]: 124/132 looper letters, 68 selfloop transitions, 27 changer transitions 16/117 dead transitions. [2023-11-06 22:21:15,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 117 transitions, 887 flow [2023-11-06 22:21:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:21:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:21:15,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 529 transitions. [2023-11-06 22:21:15,236 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5009469696969697 [2023-11-06 22:21:15,236 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 529 transitions. [2023-11-06 22:21:15,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 529 transitions. [2023-11-06 22:21:15,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:15,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 529 transitions. [2023-11-06 22:21:15,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 66.125) internal successors, (529), 8 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:15,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 132.0) internal successors, (1188), 9 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:15,246 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 132.0) internal successors, (1188), 9 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:15,246 INFO L175 Difference]: Start difference. First operand has 62 places, 79 transitions, 449 flow. Second operand 8 states and 529 transitions. [2023-11-06 22:21:15,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 117 transitions, 887 flow [2023-11-06 22:21:15,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 117 transitions, 869 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-11-06 22:21:15,260 INFO L231 Difference]: Finished difference. Result has 68 places, 77 transitions, 471 flow [2023-11-06 22:21:15,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=471, PETRI_PLACES=68, PETRI_TRANSITIONS=77} [2023-11-06 22:21:15,262 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 23 predicate places. [2023-11-06 22:21:15,262 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 77 transitions, 471 flow [2023-11-06 22:21:15,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 61.111111111111114) internal successors, (550), 9 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:15,266 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:15,266 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:15,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:21:15,267 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:15,267 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:15,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1504842207, now seen corresponding path program 1 times [2023-11-06 22:21:15,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:15,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687959232] [2023-11-06 22:21:15,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:15,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:16,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:16,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:16,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687959232] [2023-11-06 22:21:16,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687959232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:16,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:16,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:21:16,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130377034] [2023-11-06 22:21:16,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:16,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:21:16,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:16,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:21:16,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:21:16,785 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 132 [2023-11-06 22:21:16,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 77 transitions, 471 flow. Second operand has 9 states, 9 states have (on average 71.11111111111111) internal successors, (640), 9 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:16,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:16,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 132 [2023-11-06 22:21:16,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:17,298 INFO L124 PetriNetUnfolderBase]: 127/365 cut-off events. [2023-11-06 22:21:17,298 INFO L125 PetriNetUnfolderBase]: For 457/457 co-relation queries the response was YES. [2023-11-06 22:21:17,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1467 conditions, 365 events. 127/365 cut-off events. For 457/457 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1599 event pairs, 6 based on Foata normal form. 11/376 useless extension candidates. Maximal degree in co-relation 1446. Up to 135 conditions per place. [2023-11-06 22:21:17,303 INFO L140 encePairwiseOnDemand]: 124/132 looper letters, 48 selfloop transitions, 2 changer transitions 99/161 dead transitions. [2023-11-06 22:21:17,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 161 transitions, 1327 flow [2023-11-06 22:21:17,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:21:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:21:17,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 697 transitions. [2023-11-06 22:21:17,308 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5867003367003367 [2023-11-06 22:21:17,308 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 697 transitions. [2023-11-06 22:21:17,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 697 transitions. [2023-11-06 22:21:17,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:17,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 697 transitions. [2023-11-06 22:21:17,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 77.44444444444444) internal successors, (697), 9 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:17,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 132.0) internal successors, (1320), 10 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:17,317 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 132.0) internal successors, (1320), 10 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:17,317 INFO L175 Difference]: Start difference. First operand has 68 places, 77 transitions, 471 flow. Second operand 9 states and 697 transitions. [2023-11-06 22:21:17,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 161 transitions, 1327 flow [2023-11-06 22:21:17,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 161 transitions, 1173 flow, removed 15 selfloop flow, removed 7 redundant places. [2023-11-06 22:21:17,329 INFO L231 Difference]: Finished difference. Result has 74 places, 59 transitions, 324 flow [2023-11-06 22:21:17,329 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=324, PETRI_PLACES=74, PETRI_TRANSITIONS=59} [2023-11-06 22:21:17,330 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 29 predicate places. [2023-11-06 22:21:17,331 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 59 transitions, 324 flow [2023-11-06 22:21:17,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 71.11111111111111) internal successors, (640), 9 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:17,332 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:17,332 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:17,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:21:17,333 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:17,333 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:17,333 INFO L85 PathProgramCache]: Analyzing trace with hash -295702105, now seen corresponding path program 2 times [2023-11-06 22:21:17,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:17,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805815931] [2023-11-06 22:21:17,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:17,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:18,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:18,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:18,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805815931] [2023-11-06 22:21:18,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805815931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:18,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:18,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:21:18,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890000773] [2023-11-06 22:21:18,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:18,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:21:18,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:18,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:21:18,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:21:18,768 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 132 [2023-11-06 22:21:18,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 59 transitions, 324 flow. Second operand has 9 states, 9 states have (on average 71.11111111111111) internal successors, (640), 9 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:18,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:18,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 132 [2023-11-06 22:21:18,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:19,003 INFO L124 PetriNetUnfolderBase]: 46/164 cut-off events. [2023-11-06 22:21:19,003 INFO L125 PetriNetUnfolderBase]: For 237/238 co-relation queries the response was YES. [2023-11-06 22:21:19,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 164 events. 46/164 cut-off events. For 237/238 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 460 event pairs, 5 based on Foata normal form. 6/170 useless extension candidates. Maximal degree in co-relation 588. Up to 104 conditions per place. [2023-11-06 22:21:19,006 INFO L140 encePairwiseOnDemand]: 124/132 looper letters, 46 selfloop transitions, 9 changer transitions 12/79 dead transitions. [2023-11-06 22:21:19,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 79 transitions, 547 flow [2023-11-06 22:21:19,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:21:19,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:21:19,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 603 transitions. [2023-11-06 22:21:19,011 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5710227272727273 [2023-11-06 22:21:19,011 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 603 transitions. [2023-11-06 22:21:19,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 603 transitions. [2023-11-06 22:21:19,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:19,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 603 transitions. [2023-11-06 22:21:19,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 75.375) internal successors, (603), 8 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:19,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 132.0) internal successors, (1188), 9 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:19,019 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 132.0) internal successors, (1188), 9 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:19,020 INFO L175 Difference]: Start difference. First operand has 74 places, 59 transitions, 324 flow. Second operand 8 states and 603 transitions. [2023-11-06 22:21:19,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 79 transitions, 547 flow [2023-11-06 22:21:19,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 79 transitions, 482 flow, removed 23 selfloop flow, removed 8 redundant places. [2023-11-06 22:21:19,026 INFO L231 Difference]: Finished difference. Result has 69 places, 59 transitions, 289 flow [2023-11-06 22:21:19,027 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=289, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2023-11-06 22:21:19,028 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 24 predicate places. [2023-11-06 22:21:19,028 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 289 flow [2023-11-06 22:21:19,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 71.11111111111111) internal successors, (640), 9 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:19,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:19,029 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:19,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:21:19,030 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:19,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:19,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1378385947, now seen corresponding path program 3 times [2023-11-06 22:21:19,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:19,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159687462] [2023-11-06 22:21:19,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:19,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:19,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:19,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:19,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159687462] [2023-11-06 22:21:19,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159687462] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:19,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:19,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:21:19,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543273290] [2023-11-06 22:21:19,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:19,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:21:19,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:19,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:21:19,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:21:20,425 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 132 [2023-11-06 22:21:20,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 59 transitions, 289 flow. Second operand has 9 states, 9 states have (on average 71.11111111111111) internal successors, (640), 9 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:20,427 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:20,427 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 132 [2023-11-06 22:21:20,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:20,794 INFO L124 PetriNetUnfolderBase]: 66/217 cut-off events. [2023-11-06 22:21:20,794 INFO L125 PetriNetUnfolderBase]: For 228/229 co-relation queries the response was YES. [2023-11-06 22:21:20,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 217 events. 66/217 cut-off events. For 228/229 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 748 event pairs, 7 based on Foata normal form. 11/227 useless extension candidates. Maximal degree in co-relation 754. Up to 89 conditions per place. [2023-11-06 22:21:20,796 INFO L140 encePairwiseOnDemand]: 125/132 looper letters, 39 selfloop transitions, 3 changer transitions 62/116 dead transitions. [2023-11-06 22:21:20,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 116 transitions, 827 flow [2023-11-06 22:21:20,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:21:20,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:21:20,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 609 transitions. [2023-11-06 22:21:20,801 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5767045454545454 [2023-11-06 22:21:20,802 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 609 transitions. [2023-11-06 22:21:20,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 609 transitions. [2023-11-06 22:21:20,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:20,803 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 609 transitions. [2023-11-06 22:21:20,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 76.125) internal successors, (609), 8 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:20,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 132.0) internal successors, (1188), 9 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:20,810 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 132.0) internal successors, (1188), 9 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:20,810 INFO L175 Difference]: Start difference. First operand has 69 places, 59 transitions, 289 flow. Second operand 8 states and 609 transitions. [2023-11-06 22:21:20,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 116 transitions, 827 flow [2023-11-06 22:21:20,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 116 transitions, 791 flow, removed 1 selfloop flow, removed 7 redundant places. [2023-11-06 22:21:20,817 INFO L231 Difference]: Finished difference. Result has 72 places, 53 transitions, 266 flow [2023-11-06 22:21:20,818 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=266, PETRI_PLACES=72, PETRI_TRANSITIONS=53} [2023-11-06 22:21:20,818 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 27 predicate places. [2023-11-06 22:21:20,819 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 53 transitions, 266 flow [2023-11-06 22:21:20,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 71.11111111111111) internal successors, (640), 9 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:20,820 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:20,820 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:20,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:21:20,820 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:20,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:20,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1414487457, now seen corresponding path program 4 times [2023-11-06 22:21:20,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:20,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477215918] [2023-11-06 22:21:20,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:20,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:21,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:21,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:21,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477215918] [2023-11-06 22:21:21,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477215918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:21,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:21,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:21:21,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801645473] [2023-11-06 22:21:21,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:21,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:21:21,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:21,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:21:21,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:21:22,108 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 132 [2023-11-06 22:21:22,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 53 transitions, 266 flow. Second operand has 9 states, 9 states have (on average 71.11111111111111) internal successors, (640), 9 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:22,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:22,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 132 [2023-11-06 22:21:22,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:22,380 INFO L124 PetriNetUnfolderBase]: 39/149 cut-off events. [2023-11-06 22:21:22,381 INFO L125 PetriNetUnfolderBase]: For 235/235 co-relation queries the response was YES. [2023-11-06 22:21:22,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 149 events. 39/149 cut-off events. For 235/235 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 451 event pairs, 5 based on Foata normal form. 11/160 useless extension candidates. Maximal degree in co-relation 535. Up to 76 conditions per place. [2023-11-06 22:21:22,383 INFO L140 encePairwiseOnDemand]: 124/132 looper letters, 37 selfloop transitions, 8 changer transitions 31/88 dead transitions. [2023-11-06 22:21:22,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 88 transitions, 617 flow [2023-11-06 22:21:22,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:21:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-11-06 22:21:22,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 675 transitions. [2023-11-06 22:21:22,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5681818181818182 [2023-11-06 22:21:22,388 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 675 transitions. [2023-11-06 22:21:22,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 675 transitions. [2023-11-06 22:21:22,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:22,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 675 transitions. [2023-11-06 22:21:22,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 75.0) internal successors, (675), 9 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:22,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 132.0) internal successors, (1320), 10 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:22,397 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 132.0) internal successors, (1320), 10 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:22,397 INFO L175 Difference]: Start difference. First operand has 72 places, 53 transitions, 266 flow. Second operand 9 states and 675 transitions. [2023-11-06 22:21:22,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 88 transitions, 617 flow [2023-11-06 22:21:22,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 88 transitions, 553 flow, removed 20 selfloop flow, removed 10 redundant places. [2023-11-06 22:21:22,403 INFO L231 Difference]: Finished difference. Result has 70 places, 53 transitions, 256 flow [2023-11-06 22:21:22,403 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=256, PETRI_PLACES=70, PETRI_TRANSITIONS=53} [2023-11-06 22:21:22,404 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 25 predicate places. [2023-11-06 22:21:22,404 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 53 transitions, 256 flow [2023-11-06 22:21:22,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 71.11111111111111) internal successors, (640), 9 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:22,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:21:22,405 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:22,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:21:22,406 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-06 22:21:22,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:22,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1203761063, now seen corresponding path program 5 times [2023-11-06 22:21:22,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:22,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256240642] [2023-11-06 22:21:22,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:22,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:23,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:21:23,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:23,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256240642] [2023-11-06 22:21:23,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256240642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:23,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:23,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:21:23,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280365466] [2023-11-06 22:21:23,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:23,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:21:23,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:23,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:21:23,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:21:23,714 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 132 [2023-11-06 22:21:23,715 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 53 transitions, 256 flow. Second operand has 9 states, 9 states have (on average 71.11111111111111) internal successors, (640), 9 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:23,715 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:21:23,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 132 [2023-11-06 22:21:23,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:21:23,964 INFO L124 PetriNetUnfolderBase]: 21/92 cut-off events. [2023-11-06 22:21:23,964 INFO L125 PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES. [2023-11-06 22:21:23,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 92 events. 21/92 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 164 event pairs, 0 based on Foata normal form. 11/103 useless extension candidates. Maximal degree in co-relation 317. Up to 27 conditions per place. [2023-11-06 22:21:23,965 INFO L140 encePairwiseOnDemand]: 125/132 looper letters, 0 selfloop transitions, 0 changer transitions 76/76 dead transitions. [2023-11-06 22:21:23,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 76 transitions, 508 flow [2023-11-06 22:21:23,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:21:23,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:21:23,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 597 transitions. [2023-11-06 22:21:23,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5653409090909091 [2023-11-06 22:21:23,970 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 597 transitions. [2023-11-06 22:21:23,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 597 transitions. [2023-11-06 22:21:23,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:21:23,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 597 transitions. [2023-11-06 22:21:23,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 74.625) internal successors, (597), 8 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:23,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 132.0) internal successors, (1188), 9 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:23,978 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 132.0) internal successors, (1188), 9 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:23,978 INFO L175 Difference]: Start difference. First operand has 70 places, 53 transitions, 256 flow. Second operand 8 states and 597 transitions. [2023-11-06 22:21:23,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 76 transitions, 508 flow [2023-11-06 22:21:23,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 76 transitions, 457 flow, removed 14 selfloop flow, removed 8 redundant places. [2023-11-06 22:21:23,982 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2023-11-06 22:21:23,982 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2023-11-06 22:21:23,983 INFO L281 CegarLoopForPetriNet]: 45 programPoint places, 21 predicate places. [2023-11-06 22:21:23,983 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2023-11-06 22:21:23,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 71.11111111111111) internal successors, (640), 9 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:21:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-06 22:21:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-06 22:21:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-06 22:21:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-11-06 22:21:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-06 22:21:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-06 22:21:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-06 22:21:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-06 22:21:23,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:21:23,990 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:23,997 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:21:23,997 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:21:24,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:21:24 BasicIcfg [2023-11-06 22:21:24,001 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:21:24,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:21:24,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:21:24,003 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:21:24,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:05" (3/4) ... [2023-11-06 22:21:24,005 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:21:24,010 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-06 22:21:24,018 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-06 22:21:24,018 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:21:24,018 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:21:24,089 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:21:24,090 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:21:24,090 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:21:24,091 INFO L158 Benchmark]: Toolchain (without parser) took 19966.00ms. Allocated memory was 136.3MB in the beginning and 314.6MB in the end (delta: 178.3MB). Free memory was 108.9MB in the beginning and 216.2MB in the end (delta: -107.3MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2023-11-06 22:21:24,091 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:21:24,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 859.98ms. Allocated memory is still 136.3MB. Free memory was 108.9MB in the beginning and 81.0MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 22:21:24,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.83ms. Allocated memory is still 136.3MB. Free memory was 81.0MB in the beginning and 78.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:21:24,093 INFO L158 Benchmark]: Boogie Preprocessor took 77.13ms. Allocated memory is still 136.3MB. Free memory was 78.4MB in the beginning and 76.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:21:24,093 INFO L158 Benchmark]: RCFGBuilder took 560.65ms. Allocated memory is still 136.3MB. Free memory was 76.8MB in the beginning and 61.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:21:24,094 INFO L158 Benchmark]: TraceAbstraction took 18275.68ms. Allocated memory was 136.3MB in the beginning and 314.6MB in the end (delta: 178.3MB). Free memory was 60.1MB in the beginning and 219.4MB in the end (delta: -159.3MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-06 22:21:24,094 INFO L158 Benchmark]: Witness Printer took 88.03ms. Allocated memory is still 314.6MB. Free memory was 219.4MB in the beginning and 216.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:21:24,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 859.98ms. Allocated memory is still 136.3MB. Free memory was 108.9MB in the beginning and 81.0MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.83ms. Allocated memory is still 136.3MB. Free memory was 81.0MB in the beginning and 78.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.13ms. Allocated memory is still 136.3MB. Free memory was 78.4MB in the beginning and 76.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.65ms. Allocated memory is still 136.3MB. Free memory was 76.8MB in the beginning and 61.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18275.68ms. Allocated memory was 136.3MB in the beginning and 314.6MB in the end (delta: 178.3MB). Free memory was 60.1MB in the beginning and 219.4MB in the end (delta: -159.3MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 88.03ms. Allocated memory is still 314.6MB. Free memory was 219.4MB in the beginning and 216.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4s, 86 PlacesBefore, 45 PlacesAfterwards, 82 TransitionsBefore, 41 TransitionsAfterwards, 1392 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 41 TotalNumberOfCompositions, 10402 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1776, independent: 1272, independent conditional: 0, independent unconditional: 1272, dependent: 504, dependent conditional: 0, dependent unconditional: 504, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 467, independent: 422, independent conditional: 0, independent unconditional: 422, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1776, independent: 850, independent conditional: 0, independent unconditional: 850, dependent: 459, dependent conditional: 0, dependent unconditional: 459, unknown: 467, unknown conditional: 0, unknown unconditional: 467] , Statistics on independence cache: Total cache size (in pairs): 113, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 118 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.1s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1792 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1255 mSDsluCounter, 305 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 221 mSDsCounter, 563 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4997 IncrementalHoareTripleChecker+Invalid, 5560 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 563 mSolverCounterUnsat, 84 mSDtfsCounter, 4997 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1592occurred in iteration=4, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 3487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:21:24,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924f876-d6a7-496e-82d0-8a5a3ba0cf4d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE