./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 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_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/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_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/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_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/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 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:25:52,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:25:52,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 00:25:52,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:25:52,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:25:52,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:25:52,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:25:52,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:25:52,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:25:52,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:25:52,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:25:52,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:25:52,714 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:25:52,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:25:52,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:25:52,715 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:25:52,716 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:25:52,716 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:25:52,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:25:52,717 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:25:52,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:25:52,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:25:52,721 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 00:25:52,721 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:25:52,722 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:25:52,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:25:52,723 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:25:52,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:25:52,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:25:52,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:25:52,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:25:52,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:25:52,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:25:52,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:25:52,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:25:52,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:25:52,727 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:25:52,727 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:25:52,727 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:25:52,728 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:25:52,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:25:52,728 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_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 [2023-11-29 00:25:52,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:25:52,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:25:52,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:25:52,971 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:25:52,972 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:25:52,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2023-11-29 00:25:55,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:25:55,951 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:25:55,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2023-11-29 00:25:55,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/data/75c40a107/7cc1e630441441f0a2e9bff773b4e2f5/FLAG8b378737a [2023-11-29 00:25:55,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/data/75c40a107/7cc1e630441441f0a2e9bff773b4e2f5 [2023-11-29 00:25:55,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:25:55,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:25:55,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:25:55,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:25:55,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:25:55,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:25:55" (1/1) ... [2023-11-29 00:25:55,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ed5757f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:55, skipping insertion in model container [2023-11-29 00:25:55,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:25:55" (1/1) ... [2023-11-29 00:25:56,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:25:56,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:25:56,517 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:25:56,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:25:56,631 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:25:56,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56 WrapperNode [2023-11-29 00:25:56,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:25:56,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:25:56,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:25:56,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:25:56,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (1/1) ... [2023-11-29 00:25:56,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (1/1) ... [2023-11-29 00:25:56,683 INFO L138 Inliner]: procedures = 263, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2023-11-29 00:25:56,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:25:56,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:25:56,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:25:56,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:25:56,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (1/1) ... [2023-11-29 00:25:56,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (1/1) ... [2023-11-29 00:25:56,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (1/1) ... [2023-11-29 00:25:56,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (1/1) ... [2023-11-29 00:25:56,709 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (1/1) ... [2023-11-29 00:25:56,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (1/1) ... [2023-11-29 00:25:56,713 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (1/1) ... [2023-11-29 00:25:56,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (1/1) ... [2023-11-29 00:25:56,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:25:56,719 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:25:56,719 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:25:56,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:25:56,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (1/1) ... [2023-11-29 00:25:56,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:25:56,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:25:56,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:25:56,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:25:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 00:25:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 00:25:56,785 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 00:25:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 00:25:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 00:25:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 00:25:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:25:56,786 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 00:25:56,786 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 00:25:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 00:25:56,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:25:56,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:25:56,789 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 00:25:56,921 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:25:56,923 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:25:57,117 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:25:57,137 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:25:57,137 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 00:25:57,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:25:57 BoogieIcfgContainer [2023-11-29 00:25:57,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:25:57,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:25:57,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:25:57,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:25:57,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:25:55" (1/3) ... [2023-11-29 00:25:57,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2354c322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:25:57, skipping insertion in model container [2023-11-29 00:25:57,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:25:56" (2/3) ... [2023-11-29 00:25:57,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2354c322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:25:57, skipping insertion in model container [2023-11-29 00:25:57,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:25:57" (3/3) ... [2023-11-29 00:25:57,148 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_12-ptr_nr.i [2023-11-29 00:25:57,157 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 00:25:57,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:25:57,166 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-29 00:25:57,166 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 00:25:57,217 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-29 00:25:57,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 97 places, 93 transitions, 193 flow [2023-11-29 00:25:57,296 INFO L124 PetriNetUnfolderBase]: 0/92 cut-off events. [2023-11-29 00:25:57,296 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 00:25:57,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 92 events. 0/92 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-29 00:25:57,299 INFO L82 GeneralOperation]: Start removeDead. Operand has 97 places, 93 transitions, 193 flow [2023-11-29 00:25:57,303 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 84 transitions, 171 flow [2023-11-29 00:25:57,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:25:57,320 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;@1780cab3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:25:57,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 00:25:57,335 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 00:25:57,335 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2023-11-29 00:25:57,335 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 00:25:57,335 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:25:57,336 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] [2023-11-29 00:25:57,336 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:25:57,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:25:57,342 INFO L85 PathProgramCache]: Analyzing trace with hash -193461361, now seen corresponding path program 1 times [2023-11-29 00:25:57,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:25:57,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14224489] [2023-11-29 00:25:57,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:25:57,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:25:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:25:58,102 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 00:25:58,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:25:58,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14224489] [2023-11-29 00:25:58,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14224489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:25:58,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:25:58,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:25:58,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538317693] [2023-11-29 00:25:58,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:25:58,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:25:58,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:25:58,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:25:58,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:25:58,427 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 93 [2023-11-29 00:25:58,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 84 transitions, 171 flow. Second operand has 6 states, 6 states have (on average 72.33333333333333) internal successors, (434), 6 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:58,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:25:58,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 93 [2023-11-29 00:25:58,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:25:58,617 INFO L124 PetriNetUnfolderBase]: 96/426 cut-off events. [2023-11-29 00:25:58,618 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 00:25:58,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 426 events. 96/426 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2093 event pairs, 43 based on Foata normal form. 0/398 useless extension candidates. Maximal degree in co-relation 613. Up to 169 conditions per place. [2023-11-29 00:25:58,625 INFO L140 encePairwiseOnDemand]: 82/93 looper letters, 28 selfloop transitions, 22 changer transitions 0/113 dead transitions. [2023-11-29 00:25:58,625 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 113 transitions, 329 flow [2023-11-29 00:25:58,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:25:58,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:25:58,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 477 transitions. [2023-11-29 00:25:58,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8548387096774194 [2023-11-29 00:25:58,642 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 477 transitions. [2023-11-29 00:25:58,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 477 transitions. [2023-11-29 00:25:58,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:25:58,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 477 transitions. [2023-11-29 00:25:58,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:58,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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 00:25:58,660 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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 00:25:58,662 INFO L175 Difference]: Start difference. First operand has 88 places, 84 transitions, 171 flow. Second operand 6 states and 477 transitions. [2023-11-29 00:25:58,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 113 transitions, 329 flow [2023-11-29 00:25:58,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 113 transitions, 328 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:25:58,670 INFO L231 Difference]: Finished difference. Result has 97 places, 105 transitions, 320 flow [2023-11-29 00:25:58,673 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=320, PETRI_PLACES=97, PETRI_TRANSITIONS=105} [2023-11-29 00:25:58,676 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 9 predicate places. [2023-11-29 00:25:58,677 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 105 transitions, 320 flow [2023-11-29 00:25:58,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.33333333333333) internal successors, (434), 6 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:58,677 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:25:58,678 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] [2023-11-29 00:25:58,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:25:58,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:25:58,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:25:58,679 INFO L85 PathProgramCache]: Analyzing trace with hash -766575140, now seen corresponding path program 1 times [2023-11-29 00:25:58,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:25:58,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992045275] [2023-11-29 00:25:58,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:25:58,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:25:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:25:59,007 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 00:25:59,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:25:59,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992045275] [2023-11-29 00:25:59,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992045275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:25:59,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:25:59,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:25:59,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548287102] [2023-11-29 00:25:59,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:25:59,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:25:59,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:25:59,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:25:59,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:25:59,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 93 [2023-11-29 00:25:59,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 105 transitions, 320 flow. Second operand has 6 states, 6 states have (on average 72.33333333333333) internal successors, (434), 6 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:59,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:25:59,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 93 [2023-11-29 00:25:59,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:25:59,401 INFO L124 PetriNetUnfolderBase]: 139/603 cut-off events. [2023-11-29 00:25:59,402 INFO L125 PetriNetUnfolderBase]: For 135/146 co-relation queries the response was YES. [2023-11-29 00:25:59,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 603 events. 139/603 cut-off events. For 135/146 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3464 event pairs, 49 based on Foata normal form. 1/566 useless extension candidates. Maximal degree in co-relation 1045. Up to 232 conditions per place. [2023-11-29 00:25:59,409 INFO L140 encePairwiseOnDemand]: 82/93 looper letters, 41 selfloop transitions, 26 changer transitions 0/134 dead transitions. [2023-11-29 00:25:59,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 134 transitions, 530 flow [2023-11-29 00:25:59,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:25:59,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:25:59,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 477 transitions. [2023-11-29 00:25:59,412 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8548387096774194 [2023-11-29 00:25:59,412 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 477 transitions. [2023-11-29 00:25:59,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 477 transitions. [2023-11-29 00:25:59,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:25:59,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 477 transitions. [2023-11-29 00:25:59,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 79.5) internal successors, (477), 6 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:59,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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 00:25:59,418 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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 00:25:59,418 INFO L175 Difference]: Start difference. First operand has 97 places, 105 transitions, 320 flow. Second operand 6 states and 477 transitions. [2023-11-29 00:25:59,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 134 transitions, 530 flow [2023-11-29 00:25:59,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 134 transitions, 530 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:25:59,426 INFO L231 Difference]: Finished difference. Result has 107 places, 126 transitions, 504 flow [2023-11-29 00:25:59,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=504, PETRI_PLACES=107, PETRI_TRANSITIONS=126} [2023-11-29 00:25:59,427 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 19 predicate places. [2023-11-29 00:25:59,428 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 126 transitions, 504 flow [2023-11-29 00:25:59,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.33333333333333) internal successors, (434), 6 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:59,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:25:59,428 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:25:59,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:25:59,429 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:25:59,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:25:59,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1302706395, now seen corresponding path program 1 times [2023-11-29 00:25:59,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:25:59,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489317593] [2023-11-29 00:25:59,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:25:59,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:25:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:25:59,782 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 00:25:59,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:25:59,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489317593] [2023-11-29 00:25:59,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489317593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:25:59,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:25:59,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:25:59,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3249017] [2023-11-29 00:25:59,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:25:59,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:25:59,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:25:59,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:25:59,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:25:59,947 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 93 [2023-11-29 00:25:59,947 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 126 transitions, 504 flow. Second operand has 6 states, 6 states have (on average 63.333333333333336) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:25:59,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:25:59,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 93 [2023-11-29 00:25:59,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:00,328 INFO L124 PetriNetUnfolderBase]: 375/1109 cut-off events. [2023-11-29 00:26:00,329 INFO L125 PetriNetUnfolderBase]: For 624/644 co-relation queries the response was YES. [2023-11-29 00:26:00,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2694 conditions, 1109 events. 375/1109 cut-off events. For 624/644 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 6596 event pairs, 125 based on Foata normal form. 2/1042 useless extension candidates. Maximal degree in co-relation 2650. Up to 668 conditions per place. [2023-11-29 00:26:00,338 INFO L140 encePairwiseOnDemand]: 74/93 looper letters, 74 selfloop transitions, 69 changer transitions 0/197 dead transitions. [2023-11-29 00:26:00,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 197 transitions, 1058 flow [2023-11-29 00:26:00,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:26:00,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:26:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 459 transitions. [2023-11-29 00:26:00,341 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8225806451612904 [2023-11-29 00:26:00,341 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 459 transitions. [2023-11-29 00:26:00,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 459 transitions. [2023-11-29 00:26:00,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:00,341 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 459 transitions. [2023-11-29 00:26:00,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 76.5) internal successors, (459), 6 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:00,345 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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 00:26:00,345 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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 00:26:00,345 INFO L175 Difference]: Start difference. First operand has 107 places, 126 transitions, 504 flow. Second operand 6 states and 459 transitions. [2023-11-29 00:26:00,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 197 transitions, 1058 flow [2023-11-29 00:26:00,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 197 transitions, 1058 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 00:26:00,357 INFO L231 Difference]: Finished difference. Result has 117 places, 189 transitions, 1082 flow [2023-11-29 00:26:00,357 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1082, PETRI_PLACES=117, PETRI_TRANSITIONS=189} [2023-11-29 00:26:00,358 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 29 predicate places. [2023-11-29 00:26:00,358 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 189 transitions, 1082 flow [2023-11-29 00:26:00,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.333333333333336) internal successors, (380), 6 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:00,359 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:00,359 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:00,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 00:26:00,360 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:26:00,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:00,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1926806923, now seen corresponding path program 1 times [2023-11-29 00:26:00,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:00,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370010531] [2023-11-29 00:26:00,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:00,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:00,602 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 00:26:00,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:00,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370010531] [2023-11-29 00:26:00,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370010531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:00,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:00,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:26:00,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637344499] [2023-11-29 00:26:00,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:00,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:26:00,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:00,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:26:00,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:26:00,771 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 93 [2023-11-29 00:26:00,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 189 transitions, 1082 flow. Second operand has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:00,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:00,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 93 [2023-11-29 00:26:00,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:01,049 INFO L124 PetriNetUnfolderBase]: 447/1285 cut-off events. [2023-11-29 00:26:01,049 INFO L125 PetriNetUnfolderBase]: For 1655/1702 co-relation queries the response was YES. [2023-11-29 00:26:01,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3955 conditions, 1285 events. 447/1285 cut-off events. For 1655/1702 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 8023 event pairs, 105 based on Foata normal form. 7/1244 useless extension candidates. Maximal degree in co-relation 3904. Up to 758 conditions per place. [2023-11-29 00:26:01,060 INFO L140 encePairwiseOnDemand]: 78/93 looper letters, 128 selfloop transitions, 67 changer transitions 0/250 dead transitions. [2023-11-29 00:26:01,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 250 transitions, 1826 flow [2023-11-29 00:26:01,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:26:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:26:01,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 432 transitions. [2023-11-29 00:26:01,063 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7741935483870968 [2023-11-29 00:26:01,063 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 432 transitions. [2023-11-29 00:26:01,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 432 transitions. [2023-11-29 00:26:01,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:01,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 432 transitions. [2023-11-29 00:26:01,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 72.0) internal successors, (432), 6 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:01,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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 00:26:01,066 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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 00:26:01,066 INFO L175 Difference]: Start difference. First operand has 117 places, 189 transitions, 1082 flow. Second operand 6 states and 432 transitions. [2023-11-29 00:26:01,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 250 transitions, 1826 flow [2023-11-29 00:26:01,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 250 transitions, 1770 flow, removed 28 selfloop flow, removed 0 redundant places. [2023-11-29 00:26:01,081 INFO L231 Difference]: Finished difference. Result has 127 places, 242 transitions, 1686 flow [2023-11-29 00:26:01,082 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1686, PETRI_PLACES=127, PETRI_TRANSITIONS=242} [2023-11-29 00:26:01,083 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 39 predicate places. [2023-11-29 00:26:01,083 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 242 transitions, 1686 flow [2023-11-29 00:26:01,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.5) internal successors, (369), 6 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:01,083 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:01,084 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 00:26:01,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 00:26:01,084 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:26:01,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:01,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1118205635, now seen corresponding path program 1 times [2023-11-29 00:26:01,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:01,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638744001] [2023-11-29 00:26:01,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:01,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:01,154 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 00:26:01,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:01,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638744001] [2023-11-29 00:26:01,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638744001] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:01,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:01,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:26:01,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128837072] [2023-11-29 00:26:01,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:01,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:26:01,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:01,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:26:01,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:26:01,167 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 93 [2023-11-29 00:26:01,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 242 transitions, 1686 flow. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:01,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:01,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 93 [2023-11-29 00:26:01,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:01,220 INFO L124 PetriNetUnfolderBase]: 40/227 cut-off events. [2023-11-29 00:26:01,221 INFO L125 PetriNetUnfolderBase]: For 178/178 co-relation queries the response was YES. [2023-11-29 00:26:01,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 227 events. 40/227 cut-off events. For 178/178 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 650 event pairs, 5 based on Foata normal form. 2/217 useless extension candidates. Maximal degree in co-relation 545. Up to 64 conditions per place. [2023-11-29 00:26:01,222 INFO L140 encePairwiseOnDemand]: 89/93 looper letters, 2 selfloop transitions, 4 changer transitions 0/102 dead transitions. [2023-11-29 00:26:01,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 102 transitions, 452 flow [2023-11-29 00:26:01,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:26:01,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 00:26:01,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 266 transitions. [2023-11-29 00:26:01,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.953405017921147 [2023-11-29 00:26:01,225 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 266 transitions. [2023-11-29 00:26:01,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 266 transitions. [2023-11-29 00:26:01,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:01,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 266 transitions. [2023-11-29 00:26:01,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:01,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 93.0) internal successors, (372), 4 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:01,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 93.0) internal successors, (372), 4 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:01,228 INFO L175 Difference]: Start difference. First operand has 127 places, 242 transitions, 1686 flow. Second operand 3 states and 266 transitions. [2023-11-29 00:26:01,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 102 transitions, 452 flow [2023-11-29 00:26:01,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 102 transitions, 326 flow, removed 33 selfloop flow, removed 30 redundant places. [2023-11-29 00:26:01,233 INFO L231 Difference]: Finished difference. Result has 96 places, 102 transitions, 322 flow [2023-11-29 00:26:01,234 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=96, PETRI_TRANSITIONS=102} [2023-11-29 00:26:01,234 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 8 predicate places. [2023-11-29 00:26:01,234 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 102 transitions, 322 flow [2023-11-29 00:26:01,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:01,235 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:01,235 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:01,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 00:26:01,235 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:26:01,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:01,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1146501514, now seen corresponding path program 1 times [2023-11-29 00:26:01,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:01,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558085348] [2023-11-29 00:26:01,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:01,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:01,539 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 00:26:01,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:01,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558085348] [2023-11-29 00:26:01,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558085348] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:01,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:01,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:26:01,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068381177] [2023-11-29 00:26:01,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:01,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:26:01,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:01,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:26:01,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:26:01,711 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 93 [2023-11-29 00:26:01,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 102 transitions, 322 flow. Second operand has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:01,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:01,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 93 [2023-11-29 00:26:01,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:01,824 INFO L124 PetriNetUnfolderBase]: 84/344 cut-off events. [2023-11-29 00:26:01,824 INFO L125 PetriNetUnfolderBase]: For 135/161 co-relation queries the response was YES. [2023-11-29 00:26:01,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 832 conditions, 344 events. 84/344 cut-off events. For 135/161 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1319 event pairs, 5 based on Foata normal form. 0/332 useless extension candidates. Maximal degree in co-relation 790. Up to 135 conditions per place. [2023-11-29 00:26:01,826 INFO L140 encePairwiseOnDemand]: 83/93 looper letters, 39 selfloop transitions, 25 changer transitions 10/136 dead transitions. [2023-11-29 00:26:01,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 136 transitions, 624 flow [2023-11-29 00:26:01,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:26:01,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 00:26:01,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 464 transitions. [2023-11-29 00:26:01,829 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8315412186379928 [2023-11-29 00:26:01,829 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 464 transitions. [2023-11-29 00:26:01,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 464 transitions. [2023-11-29 00:26:01,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:01,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 464 transitions. [2023-11-29 00:26:01,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:01,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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 00:26:01,833 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 93.0) internal successors, (651), 7 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 00:26:01,833 INFO L175 Difference]: Start difference. First operand has 96 places, 102 transitions, 322 flow. Second operand 6 states and 464 transitions. [2023-11-29 00:26:01,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 136 transitions, 624 flow [2023-11-29 00:26:01,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 136 transitions, 612 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 00:26:01,838 INFO L231 Difference]: Finished difference. Result has 105 places, 122 transitions, 534 flow [2023-11-29 00:26:01,838 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=105, PETRI_TRANSITIONS=122} [2023-11-29 00:26:01,839 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 17 predicate places. [2023-11-29 00:26:01,839 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 122 transitions, 534 flow [2023-11-29 00:26:01,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.33333333333333) internal successors, (428), 6 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:01,840 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:01,840 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] [2023-11-29 00:26:01,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 00:26:01,840 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:26:01,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:01,841 INFO L85 PathProgramCache]: Analyzing trace with hash -47605608, now seen corresponding path program 1 times [2023-11-29 00:26:01,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:01,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675941875] [2023-11-29 00:26:01,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:01,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:02,467 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 00:26:02,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:02,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675941875] [2023-11-29 00:26:02,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675941875] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:02,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:02,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 00:26:02,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855248636] [2023-11-29 00:26:02,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:02,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:26:02,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:02,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:26:02,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:26:02,909 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 93 [2023-11-29 00:26:02,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 122 transitions, 534 flow. Second operand has 11 states, 11 states have (on average 57.63636363636363) internal successors, (634), 11 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:02,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:02,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 93 [2023-11-29 00:26:02,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:03,245 INFO L124 PetriNetUnfolderBase]: 112/415 cut-off events. [2023-11-29 00:26:03,245 INFO L125 PetriNetUnfolderBase]: For 431/431 co-relation queries the response was YES. [2023-11-29 00:26:03,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1267 conditions, 415 events. 112/415 cut-off events. For 431/431 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1654 event pairs, 7 based on Foata normal form. 9/423 useless extension candidates. Maximal degree in co-relation 1218. Up to 152 conditions per place. [2023-11-29 00:26:03,249 INFO L140 encePairwiseOnDemand]: 83/93 looper letters, 78 selfloop transitions, 29 changer transitions 5/158 dead transitions. [2023-11-29 00:26:03,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 158 transitions, 968 flow [2023-11-29 00:26:03,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:26:03,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 00:26:03,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 615 transitions. [2023-11-29 00:26:03,252 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6612903225806451 [2023-11-29 00:26:03,252 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 615 transitions. [2023-11-29 00:26:03,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 615 transitions. [2023-11-29 00:26:03,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:03,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 615 transitions. [2023-11-29 00:26:03,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 61.5) internal successors, (615), 10 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:03,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:03,258 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:03,258 INFO L175 Difference]: Start difference. First operand has 105 places, 122 transitions, 534 flow. Second operand 10 states and 615 transitions. [2023-11-29 00:26:03,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 158 transitions, 968 flow [2023-11-29 00:26:03,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 158 transitions, 950 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-11-29 00:26:03,266 INFO L231 Difference]: Finished difference. Result has 113 places, 119 transitions, 556 flow [2023-11-29 00:26:03,266 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=556, PETRI_PLACES=113, PETRI_TRANSITIONS=119} [2023-11-29 00:26:03,267 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 25 predicate places. [2023-11-29 00:26:03,267 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 119 transitions, 556 flow [2023-11-29 00:26:03,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 57.63636363636363) internal successors, (634), 11 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:03,268 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:03,268 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] [2023-11-29 00:26:03,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 00:26:03,268 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:26:03,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:03,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1758090606, now seen corresponding path program 1 times [2023-11-29 00:26:03,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:03,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136666582] [2023-11-29 00:26:03,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:03,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:04,004 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 00:26:04,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:04,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136666582] [2023-11-29 00:26:04,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136666582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:04,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:04,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 00:26:04,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143395969] [2023-11-29 00:26:04,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:04,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:26:04,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:04,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:26:04,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:26:04,608 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 93 [2023-11-29 00:26:04,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 119 transitions, 556 flow. Second operand has 11 states, 11 states have (on average 67.72727272727273) internal successors, (745), 11 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:04,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:04,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 93 [2023-11-29 00:26:04,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:04,910 INFO L124 PetriNetUnfolderBase]: 75/349 cut-off events. [2023-11-29 00:26:04,910 INFO L125 PetriNetUnfolderBase]: For 402/458 co-relation queries the response was YES. [2023-11-29 00:26:04,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1094 conditions, 349 events. 75/349 cut-off events. For 402/458 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1297 event pairs, 12 based on Foata normal form. 25/369 useless extension candidates. Maximal degree in co-relation 1041. Up to 139 conditions per place. [2023-11-29 00:26:04,912 INFO L140 encePairwiseOnDemand]: 79/93 looper letters, 41 selfloop transitions, 27 changer transitions 12/138 dead transitions. [2023-11-29 00:26:04,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 138 transitions, 810 flow [2023-11-29 00:26:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:26:04,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 00:26:04,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 723 transitions. [2023-11-29 00:26:04,916 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7774193548387097 [2023-11-29 00:26:04,916 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 723 transitions. [2023-11-29 00:26:04,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 723 transitions. [2023-11-29 00:26:04,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:04,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 723 transitions. [2023-11-29 00:26:04,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 72.3) internal successors, (723), 10 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:04,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:04,921 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:04,921 INFO L175 Difference]: Start difference. First operand has 113 places, 119 transitions, 556 flow. Second operand 10 states and 723 transitions. [2023-11-29 00:26:04,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 138 transitions, 810 flow [2023-11-29 00:26:04,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 138 transitions, 701 flow, removed 6 selfloop flow, removed 10 redundant places. [2023-11-29 00:26:04,927 INFO L231 Difference]: Finished difference. Result has 114 places, 119 transitions, 529 flow [2023-11-29 00:26:04,928 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=529, PETRI_PLACES=114, PETRI_TRANSITIONS=119} [2023-11-29 00:26:04,929 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 26 predicate places. [2023-11-29 00:26:04,929 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 119 transitions, 529 flow [2023-11-29 00:26:04,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 67.72727272727273) internal successors, (745), 11 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:04,929 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:04,929 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] [2023-11-29 00:26:04,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 00:26:04,930 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:26:04,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:04,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1386046106, now seen corresponding path program 2 times [2023-11-29 00:26:04,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:04,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254003089] [2023-11-29 00:26:04,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:04,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:05,435 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 00:26:05,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:05,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254003089] [2023-11-29 00:26:05,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254003089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:05,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:05,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 00:26:05,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538766601] [2023-11-29 00:26:05,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:05,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:26:05,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:05,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:26:05,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:26:06,030 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 93 [2023-11-29 00:26:06,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 119 transitions, 529 flow. Second operand has 11 states, 11 states have (on average 67.72727272727273) internal successors, (745), 11 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:06,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:06,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 93 [2023-11-29 00:26:06,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:06,326 INFO L124 PetriNetUnfolderBase]: 118/454 cut-off events. [2023-11-29 00:26:06,326 INFO L125 PetriNetUnfolderBase]: For 489/516 co-relation queries the response was YES. [2023-11-29 00:26:06,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1398 conditions, 454 events. 118/454 cut-off events. For 489/516 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1944 event pairs, 6 based on Foata normal form. 30/482 useless extension candidates. Maximal degree in co-relation 1343. Up to 121 conditions per place. [2023-11-29 00:26:06,329 INFO L140 encePairwiseOnDemand]: 83/93 looper letters, 42 selfloop transitions, 5 changer transitions 78/183 dead transitions. [2023-11-29 00:26:06,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 183 transitions, 1181 flow [2023-11-29 00:26:06,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:26:06,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 00:26:06,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 723 transitions. [2023-11-29 00:26:06,332 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7774193548387097 [2023-11-29 00:26:06,333 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 723 transitions. [2023-11-29 00:26:06,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 723 transitions. [2023-11-29 00:26:06,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:06,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 723 transitions. [2023-11-29 00:26:06,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 72.3) internal successors, (723), 10 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:06,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:06,337 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:06,337 INFO L175 Difference]: Start difference. First operand has 114 places, 119 transitions, 529 flow. Second operand 10 states and 723 transitions. [2023-11-29 00:26:06,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 183 transitions, 1181 flow [2023-11-29 00:26:06,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 183 transitions, 1129 flow, removed 1 selfloop flow, removed 8 redundant places. [2023-11-29 00:26:06,343 INFO L231 Difference]: Finished difference. Result has 119 places, 103 transitions, 429 flow [2023-11-29 00:26:06,343 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=429, PETRI_PLACES=119, PETRI_TRANSITIONS=103} [2023-11-29 00:26:06,343 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 31 predicate places. [2023-11-29 00:26:06,344 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 103 transitions, 429 flow [2023-11-29 00:26:06,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 67.72727272727273) internal successors, (745), 11 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:06,344 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:06,344 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] [2023-11-29 00:26:06,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 00:26:06,345 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:26:06,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:06,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1160629568, now seen corresponding path program 3 times [2023-11-29 00:26:06,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:06,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456958694] [2023-11-29 00:26:06,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:06,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:06,858 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 00:26:06,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:06,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456958694] [2023-11-29 00:26:06,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456958694] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:06,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:06,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 00:26:06,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604755415] [2023-11-29 00:26:06,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:06,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:26:06,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:06,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:26:06,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:26:07,356 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 93 [2023-11-29 00:26:07,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 103 transitions, 429 flow. Second operand has 11 states, 11 states have (on average 67.72727272727273) internal successors, (745), 11 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:07,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:07,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 93 [2023-11-29 00:26:07,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:07,645 INFO L124 PetriNetUnfolderBase]: 58/292 cut-off events. [2023-11-29 00:26:07,646 INFO L125 PetriNetUnfolderBase]: For 650/664 co-relation queries the response was YES. [2023-11-29 00:26:07,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 292 events. 58/292 cut-off events. For 650/664 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 959 event pairs, 11 based on Foata normal form. 24/312 useless extension candidates. Maximal degree in co-relation 840. Up to 100 conditions per place. [2023-11-29 00:26:07,648 INFO L140 encePairwiseOnDemand]: 82/93 looper letters, 37 selfloop transitions, 12 changer transitions 26/133 dead transitions. [2023-11-29 00:26:07,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 133 transitions, 774 flow [2023-11-29 00:26:07,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:26:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 00:26:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 779 transitions. [2023-11-29 00:26:07,652 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.761485826001955 [2023-11-29 00:26:07,652 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 779 transitions. [2023-11-29 00:26:07,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 779 transitions. [2023-11-29 00:26:07,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:07,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 779 transitions. [2023-11-29 00:26:07,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 70.81818181818181) internal successors, (779), 11 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:07,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:07,659 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:07,659 INFO L175 Difference]: Start difference. First operand has 119 places, 103 transitions, 429 flow. Second operand 11 states and 779 transitions. [2023-11-29 00:26:07,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 133 transitions, 774 flow [2023-11-29 00:26:07,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 133 transitions, 710 flow, removed 26 selfloop flow, removed 8 redundant places. [2023-11-29 00:26:07,666 INFO L231 Difference]: Finished difference. Result has 121 places, 103 transitions, 422 flow [2023-11-29 00:26:07,666 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=422, PETRI_PLACES=121, PETRI_TRANSITIONS=103} [2023-11-29 00:26:07,667 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 33 predicate places. [2023-11-29 00:26:07,667 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 103 transitions, 422 flow [2023-11-29 00:26:07,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 67.72727272727273) internal successors, (745), 11 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:07,668 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:07,668 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] [2023-11-29 00:26:07,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 00:26:07,668 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:26:07,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:07,669 INFO L85 PathProgramCache]: Analyzing trace with hash 103337668, now seen corresponding path program 4 times [2023-11-29 00:26:07,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:07,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846924002] [2023-11-29 00:26:07,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:07,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:08,310 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 00:26:08,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:08,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846924002] [2023-11-29 00:26:08,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846924002] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:08,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:08,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 00:26:08,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476168178] [2023-11-29 00:26:08,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:08,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:26:08,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:08,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:26:08,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:26:08,749 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 93 [2023-11-29 00:26:08,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 103 transitions, 422 flow. Second operand has 11 states, 11 states have (on average 67.72727272727273) internal successors, (745), 11 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:08,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:08,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 93 [2023-11-29 00:26:08,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:09,003 INFO L124 PetriNetUnfolderBase]: 79/321 cut-off events. [2023-11-29 00:26:09,003 INFO L125 PetriNetUnfolderBase]: For 662/680 co-relation queries the response was YES. [2023-11-29 00:26:09,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1032 conditions, 321 events. 79/321 cut-off events. For 662/680 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1052 event pairs, 12 based on Foata normal form. 22/340 useless extension candidates. Maximal degree in co-relation 973. Up to 72 conditions per place. [2023-11-29 00:26:09,006 INFO L140 encePairwiseOnDemand]: 83/93 looper letters, 54 selfloop transitions, 22 changer transitions 14/148 dead transitions. [2023-11-29 00:26:09,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 148 transitions, 923 flow [2023-11-29 00:26:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:26:09,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 00:26:09,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 711 transitions. [2023-11-29 00:26:09,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7645161290322581 [2023-11-29 00:26:09,009 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 711 transitions. [2023-11-29 00:26:09,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 711 transitions. [2023-11-29 00:26:09,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:09,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 711 transitions. [2023-11-29 00:26:09,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 71.1) internal successors, (711), 10 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:09,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:09,015 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 93.0) internal successors, (1023), 11 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:09,015 INFO L175 Difference]: Start difference. First operand has 121 places, 103 transitions, 422 flow. Second operand 10 states and 711 transitions. [2023-11-29 00:26:09,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 148 transitions, 923 flow [2023-11-29 00:26:09,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 148 transitions, 859 flow, removed 11 selfloop flow, removed 10 redundant places. [2023-11-29 00:26:09,020 INFO L231 Difference]: Finished difference. Result has 122 places, 115 transitions, 572 flow [2023-11-29 00:26:09,020 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=572, PETRI_PLACES=122, PETRI_TRANSITIONS=115} [2023-11-29 00:26:09,021 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 34 predicate places. [2023-11-29 00:26:09,021 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 115 transitions, 572 flow [2023-11-29 00:26:09,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 67.72727272727273) internal successors, (745), 11 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:09,021 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 00:26:09,022 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] [2023-11-29 00:26:09,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 00:26:09,022 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 00:26:09,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:26:09,022 INFO L85 PathProgramCache]: Analyzing trace with hash -867638266, now seen corresponding path program 5 times [2023-11-29 00:26:09,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:26:09,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707161677] [2023-11-29 00:26:09,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:26:09,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:26:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:26:09,483 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 00:26:09,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:26:09,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707161677] [2023-11-29 00:26:09,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707161677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:26:09,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:26:09,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 00:26:09,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065114100] [2023-11-29 00:26:09,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:26:09,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:26:09,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:26:09,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:26:09,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:26:10,025 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 93 [2023-11-29 00:26:10,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 115 transitions, 572 flow. Second operand has 11 states, 11 states have (on average 67.72727272727273) internal successors, (745), 11 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:10,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 00:26:10,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 93 [2023-11-29 00:26:10,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 00:26:10,272 INFO L124 PetriNetUnfolderBase]: 53/254 cut-off events. [2023-11-29 00:26:10,272 INFO L125 PetriNetUnfolderBase]: For 687/699 co-relation queries the response was YES. [2023-11-29 00:26:10,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 889 conditions, 254 events. 53/254 cut-off events. For 687/699 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 820 event pairs, 2 based on Foata normal form. 19/272 useless extension candidates. Maximal degree in co-relation 828. Up to 62 conditions per place. [2023-11-29 00:26:10,274 INFO L140 encePairwiseOnDemand]: 82/93 looper letters, 0 selfloop transitions, 0 changer transitions 142/142 dead transitions. [2023-11-29 00:26:10,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 142 transitions, 917 flow [2023-11-29 00:26:10,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:26:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 00:26:10,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 778 transitions. [2023-11-29 00:26:10,277 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7605083088954057 [2023-11-29 00:26:10,277 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 778 transitions. [2023-11-29 00:26:10,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 778 transitions. [2023-11-29 00:26:10,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 00:26:10,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 778 transitions. [2023-11-29 00:26:10,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 70.72727272727273) internal successors, (778), 11 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:10,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:10,284 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 93.0) internal successors, (1116), 12 states have internal predecessors, (1116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:10,284 INFO L175 Difference]: Start difference. First operand has 122 places, 115 transitions, 572 flow. Second operand 11 states and 778 transitions. [2023-11-29 00:26:10,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 142 transitions, 917 flow [2023-11-29 00:26:10,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 142 transitions, 882 flow, removed 1 selfloop flow, removed 8 redundant places. [2023-11-29 00:26:10,290 INFO L231 Difference]: Finished difference. Result has 123 places, 0 transitions, 0 flow [2023-11-29 00:26:10,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=123, PETRI_TRANSITIONS=0} [2023-11-29 00:26:10,291 INFO L281 CegarLoopForPetriNet]: 88 programPoint places, 35 predicate places. [2023-11-29 00:26:10,291 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 0 transitions, 0 flow [2023-11-29 00:26:10,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 67.72727272727273) internal successors, (745), 11 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:26:10,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-29 00:26:10,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-29 00:26:10,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-29 00:26:10,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-11-29 00:26:10,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-29 00:26:10,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-29 00:26:10,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-29 00:26:10,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-29 00:26:10,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 00:26:10,296 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:26:10,301 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 00:26:10,301 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:26:10,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:26:10 BasicIcfg [2023-11-29 00:26:10,306 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:26:10,307 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:26:10,307 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:26:10,307 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:26:10,307 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:25:57" (3/4) ... [2023-11-29 00:26:10,309 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:26:10,312 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-29 00:26:10,316 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 00:26:10,316 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 00:26:10,316 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 00:26:10,393 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:26:10,393 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:26:10,394 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:26:10,394 INFO L158 Benchmark]: Toolchain (without parser) took 14405.23ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 138.4MB in the beginning and 139.1MB in the end (delta: -757.0kB). Peak memory consumption was 129.1MB. Max. memory is 16.1GB. [2023-11-29 00:26:10,394 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory was 91.4MB in the beginning and 91.4MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:26:10,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.93ms. Allocated memory is still 172.0MB. Free memory was 138.4MB in the beginning and 110.5MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 00:26:10,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.74ms. Allocated memory is still 172.0MB. Free memory was 110.5MB in the beginning and 107.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:26:10,395 INFO L158 Benchmark]: Boogie Preprocessor took 33.88ms. Allocated memory is still 172.0MB. Free memory was 107.8MB in the beginning and 105.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:26:10,396 INFO L158 Benchmark]: RCFGBuilder took 419.77ms. Allocated memory is still 172.0MB. Free memory was 105.7MB in the beginning and 88.2MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 00:26:10,396 INFO L158 Benchmark]: TraceAbstraction took 13164.35ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 87.4MB in the beginning and 143.3MB in the end (delta: -55.9MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2023-11-29 00:26:10,396 INFO L158 Benchmark]: Witness Printer took 87.10ms. Allocated memory is still 299.9MB. Free memory was 143.3MB in the beginning and 139.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:26:10,399 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 125.8MB. Free memory was 91.4MB in the beginning and 91.4MB in the end (delta: 26.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.93ms. Allocated memory is still 172.0MB. Free memory was 138.4MB in the beginning and 110.5MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.74ms. Allocated memory is still 172.0MB. Free memory was 110.5MB in the beginning and 107.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.88ms. Allocated memory is still 172.0MB. Free memory was 107.8MB in the beginning and 105.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.77ms. Allocated memory is still 172.0MB. Free memory was 105.7MB in the beginning and 88.2MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13164.35ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 87.4MB in the beginning and 143.3MB in the end (delta: -55.9MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. * Witness Printer took 87.10ms. Allocated memory is still 299.9MB. Free memory was 143.3MB in the beginning and 139.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 121 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.0s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2202 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1663 mSDsluCounter, 814 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 713 mSDsCounter, 574 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6864 IncrementalHoareTripleChecker+Invalid, 7438 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 574 mSolverCounterUnsat, 101 mSDtfsCounter, 6864 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1686occurred in iteration=4, InterpolantAutomatonStates: 95, 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, 5.1s InterpolantComputationTime, 692 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 680 ConstructedInterpolants, 0 QuantifiedInterpolants, 5755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 00:26:10,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48e6ef01-6ac2-4019-9e2e-f5495f5492f2/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