./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:07:40,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:07:40,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 05:07:40,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:07:40,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:07:40,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:07:40,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:07:40,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:07:40,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:07:40,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:07:40,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:07:40,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:07:40,797 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:07:40,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:07:40,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:07:40,798 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:07:40,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:07:40,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:07:40,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:07:40,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:07:40,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:07:40,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:07:40,801 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 05:07:40,802 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:07:40,802 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:07:40,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:07:40,803 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:07:40,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:07:40,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:07:40,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:07:40,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:07:40,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:07:40,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:07:40,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:07:40,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:07:40,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:07:40,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:07:40,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:07:40,806 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:07:40,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:07:40,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:07:40,807 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_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 [2023-11-29 05:07:41,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:07:41,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:07:41,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:07:41,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:07:41,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:07:41,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2023-11-29 05:07:43,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:07:44,053 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:07:44,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2023-11-29 05:07:44,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/data/96c98d3ed/63282526780b43d0b453bd012cf69707/FLAG788881ba4 [2023-11-29 05:07:44,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/data/96c98d3ed/63282526780b43d0b453bd012cf69707 [2023-11-29 05:07:44,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:07:44,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:07:44,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:07:44,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:07:44,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:07:44,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1016828e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44, skipping insertion in model container [2023-11-29 05:07:44,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:07:44,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:07:44,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:07:44,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:07:44,566 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:07:44,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44 WrapperNode [2023-11-29 05:07:44,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:07:44,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:07:44,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:07:44,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:07:44,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,617 INFO L138 Inliner]: procedures = 166, calls = 50, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 203 [2023-11-29 05:07:44,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:07:44,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:07:44,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:07:44,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:07:44,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:07:44,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:07:44,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:07:44,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:07:44,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (1/1) ... [2023-11-29 05:07:44,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:07:44,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:07:44,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:07:44,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:07:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 05:07:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 05:07:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:07:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:07:44,720 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 05:07:44,720 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 05:07:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:07:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 05:07:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 05:07:44,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:07:44,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:07:44,723 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 05:07:44,853 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:07:44,855 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:07:45,211 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:07:45,250 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:07:45,250 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 05:07:45,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:07:45 BoogieIcfgContainer [2023-11-29 05:07:45,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:07:45,255 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:07:45,255 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:07:45,258 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:07:45,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:07:44" (1/3) ... [2023-11-29 05:07:45,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198bedd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:07:45, skipping insertion in model container [2023-11-29 05:07:45,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:07:44" (2/3) ... [2023-11-29 05:07:45,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198bedd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:07:45, skipping insertion in model container [2023-11-29 05:07:45,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:07:45" (3/3) ... [2023-11-29 05:07:45,261 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2023-11-29 05:07:45,268 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 05:07:45,276 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:07:45,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-11-29 05:07:45,276 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 05:07:45,350 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 05:07:45,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 234 places, 242 transitions, 488 flow [2023-11-29 05:07:45,501 INFO L124 PetriNetUnfolderBase]: 11/245 cut-off events. [2023-11-29 05:07:45,501 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 05:07:45,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 245 events. 11/245 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 290 event pairs, 0 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 198. Up to 2 conditions per place. [2023-11-29 05:07:45,510 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 242 transitions, 488 flow [2023-11-29 05:07:45,519 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 233 places, 240 transitions, 483 flow [2023-11-29 05:07:45,530 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:07:45,537 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2dc19761, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:07:45,537 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-11-29 05:07:45,554 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 05:07:45,554 INFO L124 PetriNetUnfolderBase]: 0/60 cut-off events. [2023-11-29 05:07:45,554 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 05:07:45,555 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:07:45,555 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:45,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-29 05:07:45,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:07:45,561 INFO L85 PathProgramCache]: Analyzing trace with hash -891046421, now seen corresponding path program 1 times [2023-11-29 05:07:45,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:07:45,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765875808] [2023-11-29 05:07:45,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:07:45,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:07:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:07:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:07:45,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:07:45,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765875808] [2023-11-29 05:07:45,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765875808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:07:45,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:07:45,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:07:45,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554430197] [2023-11-29 05:07:45,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:07:45,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:07:45,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:07:45,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:07:45,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:07:45,888 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 242 [2023-11-29 05:07:45,893 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 240 transitions, 483 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:45,893 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:07:45,893 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 242 [2023-11-29 05:07:45,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:07:46,214 INFO L124 PetriNetUnfolderBase]: 122/1320 cut-off events. [2023-11-29 05:07:46,215 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 05:07:46,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1594 conditions, 1320 events. 122/1320 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 7823 event pairs, 87 based on Foata normal form. 112/1282 useless extension candidates. Maximal degree in co-relation 1545. Up to 236 conditions per place. [2023-11-29 05:07:46,226 INFO L140 encePairwiseOnDemand]: 226/242 looper letters, 30 selfloop transitions, 5 changer transitions 0/231 dead transitions. [2023-11-29 05:07:46,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 231 transitions, 535 flow [2023-11-29 05:07:46,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:07:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:07:46,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2023-11-29 05:07:46,243 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9173553719008265 [2023-11-29 05:07:46,243 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 666 transitions. [2023-11-29 05:07:46,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 666 transitions. [2023-11-29 05:07:46,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:07:46,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 666 transitions. [2023-11-29 05:07:46,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:46,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:46,262 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:46,264 INFO L175 Difference]: Start difference. First operand has 233 places, 240 transitions, 483 flow. Second operand 3 states and 666 transitions. [2023-11-29 05:07:46,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 231 transitions, 535 flow [2023-11-29 05:07:46,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 231 transitions, 534 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 05:07:46,275 INFO L231 Difference]: Finished difference. Result has 227 places, 225 transitions, 482 flow [2023-11-29 05:07:46,278 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=227, PETRI_TRANSITIONS=225} [2023-11-29 05:07:46,281 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -6 predicate places. [2023-11-29 05:07:46,282 INFO L495 AbstractCegarLoop]: Abstraction has has 227 places, 225 transitions, 482 flow [2023-11-29 05:07:46,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:46,283 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:07:46,283 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:46,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:07:46,283 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-29 05:07:46,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:07:46,284 INFO L85 PathProgramCache]: Analyzing trace with hash 284488456, now seen corresponding path program 1 times [2023-11-29 05:07:46,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:07:46,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963438897] [2023-11-29 05:07:46,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:07:46,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:07:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:07:46,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:07:46,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:07:46,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963438897] [2023-11-29 05:07:46,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963438897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:07:46,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:07:46,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:07:46,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492507971] [2023-11-29 05:07:46,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:07:46,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:07:46,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:07:46,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:07:46,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:07:46,391 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 242 [2023-11-29 05:07:46,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 225 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:46,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:07:46,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 242 [2023-11-29 05:07:46,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:07:46,683 INFO L124 PetriNetUnfolderBase]: 113/1218 cut-off events. [2023-11-29 05:07:46,683 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-29 05:07:46,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1558 conditions, 1218 events. 113/1218 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 7080 event pairs, 84 based on Foata normal form. 0/1113 useless extension candidates. Maximal degree in co-relation 1508. Up to 221 conditions per place. [2023-11-29 05:07:46,691 INFO L140 encePairwiseOnDemand]: 237/242 looper letters, 28 selfloop transitions, 4 changer transitions 0/234 dead transitions. [2023-11-29 05:07:46,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 234 transitions, 564 flow [2023-11-29 05:07:46,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:07:46,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:07:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2023-11-29 05:07:46,695 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8966942148760331 [2023-11-29 05:07:46,695 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2023-11-29 05:07:46,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2023-11-29 05:07:46,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:07:46,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2023-11-29 05:07:46,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:46,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:46,702 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:46,702 INFO L175 Difference]: Start difference. First operand has 227 places, 225 transitions, 482 flow. Second operand 3 states and 651 transitions. [2023-11-29 05:07:46,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 234 transitions, 564 flow [2023-11-29 05:07:46,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 234 transitions, 554 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:07:46,710 INFO L231 Difference]: Finished difference. Result has 229 places, 228 transitions, 502 flow [2023-11-29 05:07:46,711 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=229, PETRI_TRANSITIONS=228} [2023-11-29 05:07:46,711 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -4 predicate places. [2023-11-29 05:07:46,712 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 228 transitions, 502 flow [2023-11-29 05:07:46,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:46,712 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:07:46,713 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:46,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:07:46,713 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-29 05:07:46,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:07:46,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1966436507, now seen corresponding path program 1 times [2023-11-29 05:07:46,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:07:46,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168052904] [2023-11-29 05:07:46,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:07:46,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:07:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:07:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:07:46,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:07:46,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168052904] [2023-11-29 05:07:46,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168052904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:07:46,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:07:46,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:07:46,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564916166] [2023-11-29 05:07:46,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:07:46,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:07:46,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:07:46,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:07:46,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:07:46,790 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 242 [2023-11-29 05:07:46,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 228 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:46,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:07:46,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 242 [2023-11-29 05:07:46,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:07:47,191 INFO L124 PetriNetUnfolderBase]: 122/2030 cut-off events. [2023-11-29 05:07:47,191 INFO L125 PetriNetUnfolderBase]: For 46/49 co-relation queries the response was YES. [2023-11-29 05:07:47,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2453 conditions, 2030 events. 122/2030 cut-off events. For 46/49 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 14449 event pairs, 26 based on Foata normal form. 0/1836 useless extension candidates. Maximal degree in co-relation 2403. Up to 146 conditions per place. [2023-11-29 05:07:47,202 INFO L140 encePairwiseOnDemand]: 238/242 looper letters, 30 selfloop transitions, 4 changer transitions 0/242 dead transitions. [2023-11-29 05:07:47,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 242 transitions, 602 flow [2023-11-29 05:07:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:07:47,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:07:47,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 664 transitions. [2023-11-29 05:07:47,205 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9146005509641874 [2023-11-29 05:07:47,205 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 664 transitions. [2023-11-29 05:07:47,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 664 transitions. [2023-11-29 05:07:47,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:07:47,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 664 transitions. [2023-11-29 05:07:47,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:47,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:47,211 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:47,212 INFO L175 Difference]: Start difference. First operand has 229 places, 228 transitions, 502 flow. Second operand 3 states and 664 transitions. [2023-11-29 05:07:47,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 242 transitions, 602 flow [2023-11-29 05:07:47,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 229 places, 242 transitions, 592 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:07:47,219 INFO L231 Difference]: Finished difference. Result has 231 places, 230 transitions, 522 flow [2023-11-29 05:07:47,220 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=522, PETRI_PLACES=231, PETRI_TRANSITIONS=230} [2023-11-29 05:07:47,221 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -2 predicate places. [2023-11-29 05:07:47,221 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 230 transitions, 522 flow [2023-11-29 05:07:47,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:47,222 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:07:47,222 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:47,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:07:47,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-29 05:07:47,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:07:47,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1243294898, now seen corresponding path program 1 times [2023-11-29 05:07:47,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:07:47,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67005563] [2023-11-29 05:07:47,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:07:47,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:07:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:07:47,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:07:47,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:07:47,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67005563] [2023-11-29 05:07:47,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67005563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:07:47,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:07:47,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:07:47,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359379219] [2023-11-29 05:07:47,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:07:47,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:07:47,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:07:47,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:07:47,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:07:47,300 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 242 [2023-11-29 05:07:47,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 230 transitions, 522 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:47,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:07:47,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 242 [2023-11-29 05:07:47,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:07:47,889 INFO L124 PetriNetUnfolderBase]: 240/3043 cut-off events. [2023-11-29 05:07:47,889 INFO L125 PetriNetUnfolderBase]: For 25/28 co-relation queries the response was YES. [2023-11-29 05:07:47,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3730 conditions, 3043 events. 240/3043 cut-off events. For 25/28 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 25366 event pairs, 34 based on Foata normal form. 0/2745 useless extension candidates. Maximal degree in co-relation 3679. Up to 299 conditions per place. [2023-11-29 05:07:47,906 INFO L140 encePairwiseOnDemand]: 237/242 looper letters, 31 selfloop transitions, 4 changer transitions 0/245 dead transitions. [2023-11-29 05:07:47,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 245 transitions, 622 flow [2023-11-29 05:07:47,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:07:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:07:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 663 transitions. [2023-11-29 05:07:47,910 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9132231404958677 [2023-11-29 05:07:47,910 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 663 transitions. [2023-11-29 05:07:47,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 663 transitions. [2023-11-29 05:07:47,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:07:47,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 663 transitions. [2023-11-29 05:07:47,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:47,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:47,916 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:47,916 INFO L175 Difference]: Start difference. First operand has 231 places, 230 transitions, 522 flow. Second operand 3 states and 663 transitions. [2023-11-29 05:07:47,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 245 transitions, 622 flow [2023-11-29 05:07:47,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 245 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:07:47,924 INFO L231 Difference]: Finished difference. Result has 233 places, 233 transitions, 544 flow [2023-11-29 05:07:47,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=233, PETRI_TRANSITIONS=233} [2023-11-29 05:07:47,925 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, 0 predicate places. [2023-11-29 05:07:47,925 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 233 transitions, 544 flow [2023-11-29 05:07:47,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:47,926 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:07:47,926 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:47,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:07:47,927 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-29 05:07:47,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:07:47,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1940514078, now seen corresponding path program 1 times [2023-11-29 05:07:47,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:07:47,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333270540] [2023-11-29 05:07:47,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:07:47,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:07:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:07:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:07:48,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:07:48,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333270540] [2023-11-29 05:07:48,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333270540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:07:48,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:07:48,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:07:48,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215664794] [2023-11-29 05:07:48,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:07:48,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:07:48,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:07:48,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:07:48,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:07:48,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 242 [2023-11-29 05:07:48,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 233 transitions, 544 flow. Second operand has 6 states, 6 states have (on average 213.16666666666666) internal successors, (1279), 6 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:48,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:07:48,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 242 [2023-11-29 05:07:48,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:07:48,487 INFO L124 PetriNetUnfolderBase]: 40/1058 cut-off events. [2023-11-29 05:07:48,487 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2023-11-29 05:07:48,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1290 conditions, 1058 events. 40/1058 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 5125 event pairs, 23 based on Foata normal form. 8/991 useless extension candidates. Maximal degree in co-relation 1236. Up to 82 conditions per place. [2023-11-29 05:07:48,493 INFO L140 encePairwiseOnDemand]: 232/242 looper letters, 17 selfloop transitions, 10 changer transitions 1/231 dead transitions. [2023-11-29 05:07:48,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 231 transitions, 566 flow [2023-11-29 05:07:48,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:07:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 05:07:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1091 transitions. [2023-11-29 05:07:48,497 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9016528925619834 [2023-11-29 05:07:48,497 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1091 transitions. [2023-11-29 05:07:48,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1091 transitions. [2023-11-29 05:07:48,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:07:48,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1091 transitions. [2023-11-29 05:07:48,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 218.2) internal successors, (1091), 5 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:48,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:48,507 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 242.0) internal successors, (1452), 6 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:48,507 INFO L175 Difference]: Start difference. First operand has 233 places, 233 transitions, 544 flow. Second operand 5 states and 1091 transitions. [2023-11-29 05:07:48,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 231 transitions, 566 flow [2023-11-29 05:07:48,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 231 transitions, 536 flow, removed 7 selfloop flow, removed 6 redundant places. [2023-11-29 05:07:48,515 INFO L231 Difference]: Finished difference. Result has 228 places, 224 transitions, 502 flow [2023-11-29 05:07:48,515 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=458, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=502, PETRI_PLACES=228, PETRI_TRANSITIONS=224} [2023-11-29 05:07:48,516 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -5 predicate places. [2023-11-29 05:07:48,516 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 224 transitions, 502 flow [2023-11-29 05:07:48,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 213.16666666666666) internal successors, (1279), 6 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:48,518 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:07:48,518 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:48,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:07:48,518 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-29 05:07:48,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:07:48,519 INFO L85 PathProgramCache]: Analyzing trace with hash -255365294, now seen corresponding path program 1 times [2023-11-29 05:07:48,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:07:48,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117502426] [2023-11-29 05:07:48,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:07:48,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:07:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:07:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:07:48,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:07:48,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117502426] [2023-11-29 05:07:48,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117502426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:07:48,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:07:48,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:07:48,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874806113] [2023-11-29 05:07:48,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:07:48,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:07:48,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:07:48,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:07:48,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:07:48,597 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 242 [2023-11-29 05:07:48,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 224 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:48,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:07:48,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 242 [2023-11-29 05:07:48,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:07:48,809 INFO L124 PetriNetUnfolderBase]: 66/1230 cut-off events. [2023-11-29 05:07:48,809 INFO L125 PetriNetUnfolderBase]: For 104/106 co-relation queries the response was YES. [2023-11-29 05:07:48,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1586 conditions, 1230 events. 66/1230 cut-off events. For 104/106 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6925 event pairs, 59 based on Foata normal form. 0/1135 useless extension candidates. Maximal degree in co-relation 1532. Up to 189 conditions per place. [2023-11-29 05:07:48,815 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 28 selfloop transitions, 3 changer transitions 0/225 dead transitions. [2023-11-29 05:07:48,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 225 transitions, 569 flow [2023-11-29 05:07:48,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:07:48,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:07:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2023-11-29 05:07:48,818 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8829201101928374 [2023-11-29 05:07:48,818 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 641 transitions. [2023-11-29 05:07:48,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 641 transitions. [2023-11-29 05:07:48,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:07:48,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 641 transitions. [2023-11-29 05:07:48,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:48,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:48,823 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:48,824 INFO L175 Difference]: Start difference. First operand has 228 places, 224 transitions, 502 flow. Second operand 3 states and 641 transitions. [2023-11-29 05:07:48,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 225 transitions, 569 flow [2023-11-29 05:07:48,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 225 transitions, 566 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:07:48,830 INFO L231 Difference]: Finished difference. Result has 227 places, 223 transitions, 503 flow [2023-11-29 05:07:48,830 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=503, PETRI_PLACES=227, PETRI_TRANSITIONS=223} [2023-11-29 05:07:48,831 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -6 predicate places. [2023-11-29 05:07:48,831 INFO L495 AbstractCegarLoop]: Abstraction has has 227 places, 223 transitions, 503 flow [2023-11-29 05:07:48,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:48,832 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:07:48,832 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:48,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:07:48,832 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-29 05:07:48,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:07:48,833 INFO L85 PathProgramCache]: Analyzing trace with hash 716360796, now seen corresponding path program 1 times [2023-11-29 05:07:48,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:07:48,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011398123] [2023-11-29 05:07:48,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:07:48,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:07:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:07:48,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:07:48,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:07:48,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011398123] [2023-11-29 05:07:48,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011398123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:07:48,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:07:48,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:07:48,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370974373] [2023-11-29 05:07:48,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:07:48,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:07:48,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:07:48,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:07:48,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:07:48,915 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 242 [2023-11-29 05:07:48,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 223 transitions, 503 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:48,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:07:48,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 242 [2023-11-29 05:07:48,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:07:49,096 INFO L124 PetriNetUnfolderBase]: 69/1232 cut-off events. [2023-11-29 05:07:49,096 INFO L125 PetriNetUnfolderBase]: For 114/118 co-relation queries the response was YES. [2023-11-29 05:07:49,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1614 conditions, 1232 events. 69/1232 cut-off events. For 114/118 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6926 event pairs, 60 based on Foata normal form. 0/1145 useless extension candidates. Maximal degree in co-relation 1561. Up to 193 conditions per place. [2023-11-29 05:07:49,100 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 28 selfloop transitions, 3 changer transitions 0/224 dead transitions. [2023-11-29 05:07:49,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 224 transitions, 570 flow [2023-11-29 05:07:49,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:07:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:07:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2023-11-29 05:07:49,103 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8829201101928374 [2023-11-29 05:07:49,103 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 641 transitions. [2023-11-29 05:07:49,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 641 transitions. [2023-11-29 05:07:49,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:07:49,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 641 transitions. [2023-11-29 05:07:49,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,107 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,108 INFO L175 Difference]: Start difference. First operand has 227 places, 223 transitions, 503 flow. Second operand 3 states and 641 transitions. [2023-11-29 05:07:49,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 224 transitions, 570 flow [2023-11-29 05:07:49,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 224 transitions, 564 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:07:49,112 INFO L231 Difference]: Finished difference. Result has 226 places, 222 transitions, 501 flow [2023-11-29 05:07:49,113 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=501, PETRI_PLACES=226, PETRI_TRANSITIONS=222} [2023-11-29 05:07:49,113 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -7 predicate places. [2023-11-29 05:07:49,113 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 222 transitions, 501 flow [2023-11-29 05:07:49,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,114 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:07:49,114 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:49,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:07:49,114 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-29 05:07:49,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:07:49,115 INFO L85 PathProgramCache]: Analyzing trace with hash 973300665, now seen corresponding path program 1 times [2023-11-29 05:07:49,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:07:49,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488477732] [2023-11-29 05:07:49,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:07:49,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:07:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:07:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:07:49,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:07:49,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488477732] [2023-11-29 05:07:49,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488477732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:07:49,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:07:49,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:07:49,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609851147] [2023-11-29 05:07:49,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:07:49,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:07:49,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:07:49,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:07:49,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:07:49,189 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 242 [2023-11-29 05:07:49,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 222 transitions, 501 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:07:49,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 242 [2023-11-29 05:07:49,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:07:49,371 INFO L124 PetriNetUnfolderBase]: 112/1311 cut-off events. [2023-11-29 05:07:49,371 INFO L125 PetriNetUnfolderBase]: For 116/123 co-relation queries the response was YES. [2023-11-29 05:07:49,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1796 conditions, 1311 events. 112/1311 cut-off events. For 116/123 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7449 event pairs, 82 based on Foata normal form. 0/1208 useless extension candidates. Maximal degree in co-relation 1743. Up to 254 conditions per place. [2023-11-29 05:07:49,375 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 29 selfloop transitions, 5 changer transitions 9/232 dead transitions. [2023-11-29 05:07:49,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 232 transitions, 607 flow [2023-11-29 05:07:49,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:07:49,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:07:49,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 648 transitions. [2023-11-29 05:07:49,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8925619834710744 [2023-11-29 05:07:49,378 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 648 transitions. [2023-11-29 05:07:49,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 648 transitions. [2023-11-29 05:07:49,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:07:49,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 648 transitions. [2023-11-29 05:07:49,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,382 INFO L175 Difference]: Start difference. First operand has 226 places, 222 transitions, 501 flow. Second operand 3 states and 648 transitions. [2023-11-29 05:07:49,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 232 transitions, 607 flow [2023-11-29 05:07:49,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 232 transitions, 601 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:07:49,387 INFO L231 Difference]: Finished difference. Result has 228 places, 219 transitions, 506 flow [2023-11-29 05:07:49,387 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=228, PETRI_TRANSITIONS=219} [2023-11-29 05:07:49,388 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -5 predicate places. [2023-11-29 05:07:49,388 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 219 transitions, 506 flow [2023-11-29 05:07:49,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,389 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:07:49,389 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:49,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 05:07:49,389 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-29 05:07:49,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:07:49,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1526374113, now seen corresponding path program 1 times [2023-11-29 05:07:49,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:07:49,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90126843] [2023-11-29 05:07:49,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:07:49,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:07:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:07:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:07:49,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:07:49,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90126843] [2023-11-29 05:07:49,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90126843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:07:49,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:07:49,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:07:49,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564178752] [2023-11-29 05:07:49,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:07:49,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:07:49,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:07:49,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:07:49,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:07:49,452 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 242 [2023-11-29 05:07:49,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 219 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:07:49,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 242 [2023-11-29 05:07:49,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:07:49,599 INFO L124 PetriNetUnfolderBase]: 73/1031 cut-off events. [2023-11-29 05:07:49,599 INFO L125 PetriNetUnfolderBase]: For 111/114 co-relation queries the response was YES. [2023-11-29 05:07:49,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1439 conditions, 1031 events. 73/1031 cut-off events. For 111/114 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5080 event pairs, 52 based on Foata normal form. 0/963 useless extension candidates. Maximal degree in co-relation 1386. Up to 172 conditions per place. [2023-11-29 05:07:49,603 INFO L140 encePairwiseOnDemand]: 237/242 looper letters, 28 selfloop transitions, 5 changer transitions 0/226 dead transitions. [2023-11-29 05:07:49,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 226 transitions, 593 flow [2023-11-29 05:07:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:07:49,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:07:49,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 649 transitions. [2023-11-29 05:07:49,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8939393939393939 [2023-11-29 05:07:49,606 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 649 transitions. [2023-11-29 05:07:49,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 649 transitions. [2023-11-29 05:07:49,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:07:49,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 649 transitions. [2023-11-29 05:07:49,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,609 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,609 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,609 INFO L175 Difference]: Start difference. First operand has 228 places, 219 transitions, 506 flow. Second operand 3 states and 649 transitions. [2023-11-29 05:07:49,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 226 transitions, 593 flow [2023-11-29 05:07:49,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 226 transitions, 579 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-29 05:07:49,614 INFO L231 Difference]: Finished difference. Result has 230 places, 222 transitions, 530 flow [2023-11-29 05:07:49,614 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=230, PETRI_TRANSITIONS=222} [2023-11-29 05:07:49,615 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -3 predicate places. [2023-11-29 05:07:49,615 INFO L495 AbstractCegarLoop]: Abstraction has has 230 places, 222 transitions, 530 flow [2023-11-29 05:07:49,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,616 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:07:49,616 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:49,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 05:07:49,616 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-29 05:07:49,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:07:49,617 INFO L85 PathProgramCache]: Analyzing trace with hash -193882014, now seen corresponding path program 1 times [2023-11-29 05:07:49,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:07:49,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177485192] [2023-11-29 05:07:49,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:07:49,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:07:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:07:49,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:07:49,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:07:49,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177485192] [2023-11-29 05:07:49,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177485192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:07:49,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:07:49,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:07:49,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160043846] [2023-11-29 05:07:49,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:07:49,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:07:49,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:07:49,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:07:49,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:07:49,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 242 [2023-11-29 05:07:49,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 222 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:07:49,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 242 [2023-11-29 05:07:49,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:07:49,833 INFO L124 PetriNetUnfolderBase]: 63/1059 cut-off events. [2023-11-29 05:07:49,833 INFO L125 PetriNetUnfolderBase]: For 198/203 co-relation queries the response was YES. [2023-11-29 05:07:49,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1496 conditions, 1059 events. 63/1059 cut-off events. For 198/203 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5288 event pairs, 30 based on Foata normal form. 0/996 useless extension candidates. Maximal degree in co-relation 1442. Up to 110 conditions per place. [2023-11-29 05:07:49,836 INFO L140 encePairwiseOnDemand]: 237/242 looper letters, 24 selfloop transitions, 3 changer transitions 12/234 dead transitions. [2023-11-29 05:07:49,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 234 transitions, 648 flow [2023-11-29 05:07:49,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:07:49,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 05:07:49,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2023-11-29 05:07:49,839 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9049586776859504 [2023-11-29 05:07:49,839 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 657 transitions. [2023-11-29 05:07:49,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 657 transitions. [2023-11-29 05:07:49,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:07:49,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 657 transitions. [2023-11-29 05:07:49,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.0) internal successors, (657), 3 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,843 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,843 INFO L175 Difference]: Start difference. First operand has 230 places, 222 transitions, 530 flow. Second operand 3 states and 657 transitions. [2023-11-29 05:07:49,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 234 transitions, 648 flow [2023-11-29 05:07:49,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 234 transitions, 638 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 05:07:49,848 INFO L231 Difference]: Finished difference. Result has 232 places, 220 transitions, 534 flow [2023-11-29 05:07:49,849 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=232, PETRI_TRANSITIONS=220} [2023-11-29 05:07:49,849 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -1 predicate places. [2023-11-29 05:07:49,850 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 220 transitions, 534 flow [2023-11-29 05:07:49,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:49,850 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 05:07:49,850 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:49,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 05:07:49,851 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2023-11-29 05:07:49,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:07:49,851 INFO L85 PathProgramCache]: Analyzing trace with hash -712606275, now seen corresponding path program 1 times [2023-11-29 05:07:49,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:07:49,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724360021] [2023-11-29 05:07:49,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:07:49,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:07:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:07:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:07:50,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:07:50,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724360021] [2023-11-29 05:07:50,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724360021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:07:50,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:07:50,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 05:07:50,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607392648] [2023-11-29 05:07:50,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:07:50,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:07:50,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:07:50,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:07:50,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:07:50,418 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 242 [2023-11-29 05:07:50,420 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 220 transitions, 534 flow. Second operand has 7 states, 7 states have (on average 213.14285714285714) internal successors, (1492), 7 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:50,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 05:07:50,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 242 [2023-11-29 05:07:50,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 05:07:50,541 INFO L124 PetriNetUnfolderBase]: 16/566 cut-off events. [2023-11-29 05:07:50,541 INFO L125 PetriNetUnfolderBase]: For 68/68 co-relation queries the response was YES. [2023-11-29 05:07:50,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 566 events. 16/566 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1673 event pairs, 5 based on Foata normal form. 6/543 useless extension candidates. Maximal degree in co-relation 685. Up to 45 conditions per place. [2023-11-29 05:07:50,543 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 0 selfloop transitions, 0 changer transitions 209/209 dead transitions. [2023-11-29 05:07:50,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 209 transitions, 543 flow [2023-11-29 05:07:50,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:07:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 05:07:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1291 transitions. [2023-11-29 05:07:50,547 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8891184573002755 [2023-11-29 05:07:50,548 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1291 transitions. [2023-11-29 05:07:50,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1291 transitions. [2023-11-29 05:07:50,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:07:50,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1291 transitions. [2023-11-29 05:07:50,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 215.16666666666666) internal successors, (1291), 6 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:50,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:50,555 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:50,555 INFO L175 Difference]: Start difference. First operand has 232 places, 220 transitions, 534 flow. Second operand 6 states and 1291 transitions. [2023-11-29 05:07:50,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 209 transitions, 543 flow [2023-11-29 05:07:50,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 209 transitions, 502 flow, removed 8 selfloop flow, removed 8 redundant places. [2023-11-29 05:07:50,558 INFO L231 Difference]: Finished difference. Result has 217 places, 0 transitions, 0 flow [2023-11-29 05:07:50,558 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=217, PETRI_TRANSITIONS=0} [2023-11-29 05:07:50,559 INFO L281 CegarLoopForPetriNet]: 233 programPoint places, -16 predicate places. [2023-11-29 05:07:50,559 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 0 transitions, 0 flow [2023-11-29 05:07:50,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 213.14285714285714) internal successors, (1492), 7 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:07:50,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2023-11-29 05:07:50,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2023-11-29 05:07:50,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2023-11-29 05:07:50,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2023-11-29 05:07:50,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2023-11-29 05:07:50,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 14 remaining) [2023-11-29 05:07:50,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2023-11-29 05:07:50,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2023-11-29 05:07:50,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2023-11-29 05:07:50,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2023-11-29 05:07:50,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2023-11-29 05:07:50,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2023-11-29 05:07:50,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2023-11-29 05:07:50,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2023-11-29 05:07:50,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 05:07:50,564 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:07:50,569 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 05:07:50,569 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:07:50,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:07:50 BasicIcfg [2023-11-29 05:07:50,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:07:50,574 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:07:50,574 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:07:50,574 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:07:50,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:07:45" (3/4) ... [2023-11-29 05:07:50,575 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:07:50,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-29 05:07:50,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-29 05:07:50,581 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 05:07:50,582 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:07:50,582 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:07:50,658 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:07:50,658 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:07:50,658 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:07:50,659 INFO L158 Benchmark]: Toolchain (without parser) took 6577.10ms. Allocated memory was 138.4MB in the beginning and 251.7MB in the end (delta: 113.2MB). Free memory was 91.4MB in the beginning and 217.4MB in the end (delta: -126.0MB). Peak memory consumption was 137.7MB. Max. memory is 16.1GB. [2023-11-29 05:07:50,659 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:07:50,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.83ms. Allocated memory is still 138.4MB. Free memory was 91.4MB in the beginning and 70.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 05:07:50,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.41ms. Allocated memory is still 138.4MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:07:50,660 INFO L158 Benchmark]: Boogie Preprocessor took 31.11ms. Allocated memory is still 138.4MB. Free memory was 67.8MB in the beginning and 66.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:07:50,661 INFO L158 Benchmark]: RCFGBuilder took 601.76ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 66.2MB in the beginning and 162.8MB in the end (delta: -96.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2023-11-29 05:07:50,661 INFO L158 Benchmark]: TraceAbstraction took 5318.79ms. Allocated memory was 199.2MB in the beginning and 251.7MB in the end (delta: 52.4MB). Free memory was 161.7MB in the beginning and 73.7MB in the end (delta: 88.0MB). Peak memory consumption was 140.4MB. Max. memory is 16.1GB. [2023-11-29 05:07:50,662 INFO L158 Benchmark]: Witness Printer took 84.69ms. Allocated memory is still 251.7MB. Free memory was 73.7MB in the beginning and 217.4MB in the end (delta: -143.7MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-29 05:07:50,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.83ms. Allocated memory is still 138.4MB. Free memory was 91.4MB in the beginning and 70.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.41ms. Allocated memory is still 138.4MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.11ms. Allocated memory is still 138.4MB. Free memory was 67.8MB in the beginning and 66.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.76ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 66.2MB in the beginning and 162.8MB in the end (delta: -96.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5318.79ms. Allocated memory was 199.2MB in the beginning and 251.7MB in the end (delta: 52.4MB). Free memory was 161.7MB in the beginning and 73.7MB in the end (delta: 88.0MB). Peak memory consumption was 140.4MB. Max. memory is 16.1GB. * Witness Printer took 84.69ms. Allocated memory is still 251.7MB. Free memory was 73.7MB in the beginning and 217.4MB in the end (delta: -143.7MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: 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, 340 locations, 14 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: 5.2s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 450 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 854 IncrementalHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 44 mSDtfsCounter, 854 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=544occurred in iteration=4, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 985 NumberOfCodeBlocks, 985 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 974 ConstructedInterpolants, 0 QuantifiedInterpolants, 2345 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 05:07:50,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ba623c-083a-4e0a-8a1d-9be208447bf2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE