./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:58,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:58,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:06:58,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:58,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:58,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:58,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:58,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:58,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:06:58,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:06:58,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:58,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:58,784 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:58,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:58,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:06:58,786 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:06:58,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:06:58,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:06:58,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:58,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:06:58,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:06:58,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:06:58,791 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:06:58,792 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:06:58,792 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:06:58,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:58,793 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:58,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:58,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:58,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:06:58,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:58,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:58,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:06:58,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:06:58,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:06:58,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:06:58,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:06:58,798 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:06:58,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:06:58,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:06:58,799 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:06:58,800 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_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f [2023-11-06 22:06:59,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:59,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:59,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:59,114 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:59,114 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:59,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i [2023-11-06 22:07:02,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:02,534 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:02,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i [2023-11-06 22:07:02,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/data/2d006f15d/c5914cc3083343a2810d97ed827a050a/FLAG15018bcda [2023-11-06 22:07:02,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/data/2d006f15d/c5914cc3083343a2810d97ed827a050a [2023-11-06 22:07:02,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:02,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:02,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:02,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:02,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:02,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:02" (1/1) ... [2023-11-06 22:07:02,593 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197fa3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:02, skipping insertion in model container [2023-11-06 22:07:02,593 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:02" (1/1) ... [2023-11-06 22:07:02,646 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:02,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:03,003 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:07:03,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:03,128 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:07:03,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03 WrapperNode [2023-11-06 22:07:03,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:03,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:03,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:07:03,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:07:03,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (1/1) ... [2023-11-06 22:07:03,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (1/1) ... [2023-11-06 22:07:03,199 INFO L138 Inliner]: procedures = 163, calls = 23, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 62 [2023-11-06 22:07:03,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:03,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:07:03,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:07:03,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:07:03,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (1/1) ... [2023-11-06 22:07:03,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (1/1) ... [2023-11-06 22:07:03,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (1/1) ... [2023-11-06 22:07:03,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (1/1) ... [2023-11-06 22:07:03,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (1/1) ... [2023-11-06 22:07:03,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (1/1) ... [2023-11-06 22:07:03,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (1/1) ... [2023-11-06 22:07:03,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (1/1) ... [2023-11-06 22:07:03,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:07:03,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:07:03,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:07:03,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:07:03,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (1/1) ... [2023-11-06 22:07:03,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:03,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:03,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:07:03,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:07:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:07:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:07:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:07:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:07:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:07:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 22:07:03,315 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 22:07:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:07:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:07:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:07:03,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:07:03,318 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:07:03,503 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:07:03,505 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:03,773 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:03,781 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:03,782 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:07:03,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:03 BoogieIcfgContainer [2023-11-06 22:07:03,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:03,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:03,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:03,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:03,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:07:02" (1/3) ... [2023-11-06 22:07:03,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5994668f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:03, skipping insertion in model container [2023-11-06 22:07:03,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:03" (2/3) ... [2023-11-06 22:07:03,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5994668f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:03, skipping insertion in model container [2023-11-06 22:07:03,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:03" (3/3) ... [2023-11-06 22:07:03,793 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2023-11-06 22:07:03,802 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:07:03,813 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:03,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-06 22:07:03,813 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:07:03,883 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 22:07:03,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 104 transitions, 215 flow [2023-11-06 22:07:04,017 INFO L124 PetriNetUnfolderBase]: 5/103 cut-off events. [2023-11-06 22:07:04,020 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:07:04,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 103 events. 5/103 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 131 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2023-11-06 22:07:04,027 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 104 transitions, 215 flow [2023-11-06 22:07:04,031 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 95 transitions, 193 flow [2023-11-06 22:07:04,039 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:07:04,050 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 95 transitions, 193 flow [2023-11-06 22:07:04,053 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 95 transitions, 193 flow [2023-11-06 22:07:04,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 95 transitions, 193 flow [2023-11-06 22:07:04,077 INFO L124 PetriNetUnfolderBase]: 5/95 cut-off events. [2023-11-06 22:07:04,078 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:07:04,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 5/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 131 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2023-11-06 22:07:04,081 INFO L119 LiptonReduction]: Number of co-enabled transitions 1624 [2023-11-06 22:07:07,212 INFO L134 LiptonReduction]: Checked pairs total: 3826 [2023-11-06 22:07:07,212 INFO L136 LiptonReduction]: Total number of compositions: 87 [2023-11-06 22:07:07,229 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:07,236 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@768d81f8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:07,236 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-06 22:07:07,237 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:07:07,238 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:07:07,238 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:07:07,238 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:07,239 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:07:07,239 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:07:07,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:07,245 INFO L85 PathProgramCache]: Analyzing trace with hash 375, now seen corresponding path program 1 times [2023-11-06 22:07:07,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:07,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617434636] [2023-11-06 22:07:07,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:07,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:07,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:07,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617434636] [2023-11-06 22:07:07,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617434636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:07,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:07,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:07:07,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888231506] [2023-11-06 22:07:07,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:07,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:07:07,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:07,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:07:07,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:07:07,421 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 191 [2023-11-06 22:07:07,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 27 transitions, 57 flow. Second operand has 2 states, 2 states have (on average 96.5) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:07,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:07,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 191 [2023-11-06 22:07:07,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:07,492 INFO L124 PetriNetUnfolderBase]: 41/111 cut-off events. [2023-11-06 22:07:07,494 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:07:07,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 111 events. 41/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 410 event pairs, 35 based on Foata normal form. 8/94 useless extension candidates. Maximal degree in co-relation 197. Up to 91 conditions per place. [2023-11-06 22:07:07,498 INFO L140 encePairwiseOnDemand]: 189/191 looper letters, 15 selfloop transitions, 0 changer transitions 0/24 dead transitions. [2023-11-06 22:07:07,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 24 transitions, 81 flow [2023-11-06 22:07:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:07:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:07:07,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 209 transitions. [2023-11-06 22:07:07,517 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5471204188481675 [2023-11-06 22:07:07,518 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 209 transitions. [2023-11-06 22:07:07,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 209 transitions. [2023-11-06 22:07:07,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:07,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 209 transitions. [2023-11-06 22:07:07,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 104.5) internal successors, (209), 2 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:07,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:07,534 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:07,536 INFO L175 Difference]: Start difference. First operand has 29 places, 27 transitions, 57 flow. Second operand 2 states and 209 transitions. [2023-11-06 22:07:07,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 24 transitions, 81 flow [2023-11-06 22:07:07,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 24 transitions, 80 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:07:07,541 INFO L231 Difference]: Finished difference. Result has 27 places, 24 transitions, 50 flow [2023-11-06 22:07:07,544 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=50, PETRI_PLACES=27, PETRI_TRANSITIONS=24} [2023-11-06 22:07:07,547 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -2 predicate places. [2023-11-06 22:07:07,548 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 24 transitions, 50 flow [2023-11-06 22:07:07,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.5) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:07,548 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:07,548 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:07:07,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:07:07,549 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:07:07,550 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:07,550 INFO L85 PathProgramCache]: Analyzing trace with hash 357114933, now seen corresponding path program 1 times [2023-11-06 22:07:07,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:07,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521826846] [2023-11-06 22:07:07,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:07,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:07,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:07,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521826846] [2023-11-06 22:07:07,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521826846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:07,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:07,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:07:07,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613379825] [2023-11-06 22:07:07,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:07,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:07:07,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:07,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:07:07,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:07,713 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 191 [2023-11-06 22:07:07,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 24 transitions, 50 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:07,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:07,715 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 191 [2023-11-06 22:07:07,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:07,807 INFO L124 PetriNetUnfolderBase]: 68/193 cut-off events. [2023-11-06 22:07:07,807 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:07:07,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 193 events. 68/193 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 859 event pairs, 29 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 351. Up to 112 conditions per place. [2023-11-06 22:07:07,810 INFO L140 encePairwiseOnDemand]: 183/191 looper letters, 21 selfloop transitions, 6 changer transitions 0/32 dead transitions. [2023-11-06 22:07:07,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 32 transitions, 120 flow [2023-11-06 22:07:07,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:07:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:07:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2023-11-06 22:07:07,814 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4956369982547993 [2023-11-06 22:07:07,814 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 284 transitions. [2023-11-06 22:07:07,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 284 transitions. [2023-11-06 22:07:07,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:07,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 284 transitions. [2023-11-06 22:07:07,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:07,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:07,821 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:07,821 INFO L175 Difference]: Start difference. First operand has 27 places, 24 transitions, 50 flow. Second operand 3 states and 284 transitions. [2023-11-06 22:07:07,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 32 transitions, 120 flow [2023-11-06 22:07:07,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 32 transitions, 120 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:07:07,823 INFO L231 Difference]: Finished difference. Result has 30 places, 26 transitions, 86 flow [2023-11-06 22:07:07,823 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=30, PETRI_TRANSITIONS=26} [2023-11-06 22:07:07,824 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, 1 predicate places. [2023-11-06 22:07:07,824 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 26 transitions, 86 flow [2023-11-06 22:07:07,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:07,825 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:07,825 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:07:07,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:07:07,826 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:07:07,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:07,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1813494620, now seen corresponding path program 1 times [2023-11-06 22:07:07,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:07,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399036722] [2023-11-06 22:07:07,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:07,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:07,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:07,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:07,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399036722] [2023-11-06 22:07:07,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399036722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:07,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:07,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:07:07,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795911523] [2023-11-06 22:07:07,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:07,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:07:07,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:07,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:07:07,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:07,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 191 [2023-11-06 22:07:07,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 26 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:07,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:07,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 191 [2023-11-06 22:07:07,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:08,027 INFO L124 PetriNetUnfolderBase]: 88/219 cut-off events. [2023-11-06 22:07:08,027 INFO L125 PetriNetUnfolderBase]: For 76/80 co-relation queries the response was YES. [2023-11-06 22:07:08,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 219 events. 88/219 cut-off events. For 76/80 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1000 event pairs, 47 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 508. Up to 150 conditions per place. [2023-11-06 22:07:08,030 INFO L140 encePairwiseOnDemand]: 186/191 looper letters, 23 selfloop transitions, 5 changer transitions 0/34 dead transitions. [2023-11-06 22:07:08,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 34 transitions, 164 flow [2023-11-06 22:07:08,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:07:08,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:07:08,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2023-11-06 22:07:08,034 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5026178010471204 [2023-11-06 22:07:08,034 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 288 transitions. [2023-11-06 22:07:08,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 288 transitions. [2023-11-06 22:07:08,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:08,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 288 transitions. [2023-11-06 22:07:08,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,038 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,039 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,040 INFO L175 Difference]: Start difference. First operand has 30 places, 26 transitions, 86 flow. Second operand 3 states and 288 transitions. [2023-11-06 22:07:08,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 34 transitions, 164 flow [2023-11-06 22:07:08,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 34 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:07:08,042 INFO L231 Difference]: Finished difference. Result has 32 places, 29 transitions, 112 flow [2023-11-06 22:07:08,043 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=32, PETRI_TRANSITIONS=29} [2023-11-06 22:07:08,044 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, 3 predicate places. [2023-11-06 22:07:08,044 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 112 flow [2023-11-06 22:07:08,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,044 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:08,045 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:08,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:07:08,045 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:07:08,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:08,046 INFO L85 PathProgramCache]: Analyzing trace with hash 334183036, now seen corresponding path program 1 times [2023-11-06 22:07:08,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:08,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365349315] [2023-11-06 22:07:08,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:08,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:08,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:08,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365349315] [2023-11-06 22:07:08,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365349315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:08,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:08,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:07:08,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530993502] [2023-11-06 22:07:08,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:08,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:07:08,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:08,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:07:08,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:08,223 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 191 [2023-11-06 22:07:08,224 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,224 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:08,224 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 191 [2023-11-06 22:07:08,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:08,276 INFO L124 PetriNetUnfolderBase]: 18/78 cut-off events. [2023-11-06 22:07:08,276 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2023-11-06 22:07:08,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 78 events. 18/78 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 252 event pairs, 2 based on Foata normal form. 8/69 useless extension candidates. Maximal degree in co-relation 176. Up to 44 conditions per place. [2023-11-06 22:07:08,278 INFO L140 encePairwiseOnDemand]: 187/191 looper letters, 13 selfloop transitions, 4 changer transitions 0/24 dead transitions. [2023-11-06 22:07:08,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 24 transitions, 110 flow [2023-11-06 22:07:08,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:07:08,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:07:08,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 292 transitions. [2023-11-06 22:07:08,280 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5095986038394416 [2023-11-06 22:07:08,281 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 292 transitions. [2023-11-06 22:07:08,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 292 transitions. [2023-11-06 22:07:08,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:08,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 292 transitions. [2023-11-06 22:07:08,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,286 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,287 INFO L175 Difference]: Start difference. First operand has 32 places, 29 transitions, 112 flow. Second operand 3 states and 292 transitions. [2023-11-06 22:07:08,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 24 transitions, 110 flow [2023-11-06 22:07:08,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 24 transitions, 96 flow, removed 3 selfloop flow, removed 4 redundant places. [2023-11-06 22:07:08,291 INFO L231 Difference]: Finished difference. Result has 28 places, 22 transitions, 66 flow [2023-11-06 22:07:08,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=28, PETRI_TRANSITIONS=22} [2023-11-06 22:07:08,293 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -1 predicate places. [2023-11-06 22:07:08,294 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 22 transitions, 66 flow [2023-11-06 22:07:08,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,294 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:08,295 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:08,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:07:08,295 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:07:08,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:08,297 INFO L85 PathProgramCache]: Analyzing trace with hash 177310114, now seen corresponding path program 1 times [2023-11-06 22:07:08,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:08,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059285633] [2023-11-06 22:07:08,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:08,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:08,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:08,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059285633] [2023-11-06 22:07:08,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059285633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:08,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:08,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:07:08,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154050248] [2023-11-06 22:07:08,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:08,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:07:08,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:08,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:07:08,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:08,573 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 191 [2023-11-06 22:07:08,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:08,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 191 [2023-11-06 22:07:08,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:08,626 INFO L124 PetriNetUnfolderBase]: 10/57 cut-off events. [2023-11-06 22:07:08,626 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-06 22:07:08,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 57 events. 10/57 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 131 event pairs, 7 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 122. Up to 27 conditions per place. [2023-11-06 22:07:08,627 INFO L140 encePairwiseOnDemand]: 189/191 looper letters, 19 selfloop transitions, 1 changer transitions 3/29 dead transitions. [2023-11-06 22:07:08,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 29 transitions, 134 flow [2023-11-06 22:07:08,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:07:08,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:07:08,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 293 transitions. [2023-11-06 22:07:08,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5113438045375218 [2023-11-06 22:07:08,630 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 293 transitions. [2023-11-06 22:07:08,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 293 transitions. [2023-11-06 22:07:08,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:08,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 293 transitions. [2023-11-06 22:07:08,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,635 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,635 INFO L175 Difference]: Start difference. First operand has 28 places, 22 transitions, 66 flow. Second operand 3 states and 293 transitions. [2023-11-06 22:07:08,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 29 transitions, 134 flow [2023-11-06 22:07:08,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 29 transitions, 128 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:07:08,637 INFO L231 Difference]: Finished difference. Result has 28 places, 19 transitions, 55 flow [2023-11-06 22:07:08,637 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=55, PETRI_PLACES=28, PETRI_TRANSITIONS=19} [2023-11-06 22:07:08,638 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -1 predicate places. [2023-11-06 22:07:08,638 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 19 transitions, 55 flow [2023-11-06 22:07:08,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,639 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:08,639 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:08,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:07:08,639 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-06 22:07:08,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:08,640 INFO L85 PathProgramCache]: Analyzing trace with hash 957599657, now seen corresponding path program 1 times [2023-11-06 22:07:08,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:08,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715629816] [2023-11-06 22:07:08,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:08,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:08,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:08,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715629816] [2023-11-06 22:07:08,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715629816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:08,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:08,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:07:08,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432757794] [2023-11-06 22:07:08,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:08,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:07:08,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:08,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:07:08,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:08,705 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 191 [2023-11-06 22:07:08,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 19 transitions, 55 flow. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:08,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 191 [2023-11-06 22:07:08,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:08,738 INFO L124 PetriNetUnfolderBase]: 10/43 cut-off events. [2023-11-06 22:07:08,738 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-06 22:07:08,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 43 events. 10/43 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 5 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 96. Up to 31 conditions per place. [2023-11-06 22:07:08,739 INFO L140 encePairwiseOnDemand]: 189/191 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2023-11-06 22:07:08,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 19 transitions, 87 flow [2023-11-06 22:07:08,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:07:08,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:07:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 278 transitions. [2023-11-06 22:07:08,741 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4851657940663176 [2023-11-06 22:07:08,741 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 278 transitions. [2023-11-06 22:07:08,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 278 transitions. [2023-11-06 22:07:08,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:08,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 278 transitions. [2023-11-06 22:07:08,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,746 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,746 INFO L175 Difference]: Start difference. First operand has 28 places, 19 transitions, 55 flow. Second operand 3 states and 278 transitions. [2023-11-06 22:07:08,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 19 transitions, 87 flow [2023-11-06 22:07:08,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 19 transitions, 76 flow, removed 1 selfloop flow, removed 3 redundant places. [2023-11-06 22:07:08,747 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2023-11-06 22:07:08,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2023-11-06 22:07:08,748 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -4 predicate places. [2023-11-06 22:07:08,748 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2023-11-06 22:07:08,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:08,751 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-06 22:07:08,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-06 22:07:08,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-06 22:07:08,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2023-11-06 22:07:08,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-11-06 22:07:08,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-11-06 22:07:08,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-11-06 22:07:08,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-06 22:07:08,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-06 22:07:08,754 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-06 22:07:08,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:07:08,755 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:07:08,760 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:07:08,761 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:07:08,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:07:08 BasicIcfg [2023-11-06 22:07:08,765 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:07:08,766 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:07:08,766 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:07:08,766 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:07:08,767 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:03" (3/4) ... [2023-11-06 22:07:08,768 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:07:08,772 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-06 22:07:08,777 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-06 22:07:08,777 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:07:08,778 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:07:08,778 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:07:08,845 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:07:08,846 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:07:08,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:07:08,846 INFO L158 Benchmark]: Toolchain (without parser) took 6261.65ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 115.0MB in the beginning and 74.6MB in the end (delta: 40.4MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:08,847 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:08,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.61ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 95.6MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:07:08,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.97ms. Allocated memory is still 151.0MB. Free memory was 95.6MB in the beginning and 93.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:08,848 INFO L158 Benchmark]: Boogie Preprocessor took 31.71ms. Allocated memory is still 151.0MB. Free memory was 93.5MB in the beginning and 92.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:08,848 INFO L158 Benchmark]: RCFGBuilder took 551.20ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 122.6MB in the end (delta: -30.7MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-06 22:07:08,849 INFO L158 Benchmark]: TraceAbstraction took 4979.00ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 122.2MB in the beginning and 77.7MB in the end (delta: 44.4MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:08,849 INFO L158 Benchmark]: Witness Printer took 80.11ms. Allocated memory is still 188.7MB. Free memory was 77.7MB in the beginning and 74.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:08,852 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.61ms. Allocated memory is still 151.0MB. Free memory was 114.9MB in the beginning and 95.6MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.97ms. Allocated memory is still 151.0MB. Free memory was 95.6MB in the beginning and 93.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.71ms. Allocated memory is still 151.0MB. Free memory was 93.5MB in the beginning and 92.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 551.20ms. Allocated memory is still 151.0MB. Free memory was 92.0MB in the beginning and 122.6MB in the end (delta: -30.7MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4979.00ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 122.2MB in the beginning and 77.7MB in the end (delta: 44.4MB). Peak memory consumption was 82.2MB. Max. memory is 16.1GB. * Witness Printer took 80.11ms. Allocated memory is still 188.7MB. Free memory was 77.7MB in the beginning and 74.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 94 PlacesBefore, 29 PlacesAfterwards, 95 TransitionsBefore, 27 TransitionsAfterwards, 1624 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 10 ConcurrentYvCompositions, 3 ChoiceCompositions, 87 TotalNumberOfCompositions, 3826 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2158, independent: 1954, independent conditional: 0, independent unconditional: 1954, dependent: 204, dependent conditional: 0, dependent unconditional: 204, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 923, independent: 881, independent conditional: 0, independent unconditional: 881, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2158, independent: 1073, independent conditional: 0, independent unconditional: 1073, dependent: 162, dependent conditional: 0, dependent unconditional: 162, unknown: 923, unknown conditional: 0, unknown unconditional: 923] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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, 129 locations, 10 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: 4.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 258 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 21 mSDtfsCounter, 258 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:07:08,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58b6adf2-f156-46da-b5ff-8b1d063e4d78/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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