./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-3.wvr.c --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_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/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_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/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_61425f7a-b7cb-424c-b567-c9225a13f476/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 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:57:16,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:57:16,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 21:57:16,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:57:16,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:57:16,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:57:16,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:57:16,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:57:16,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:57:16,316 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:57:16,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:57:16,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:57:16,318 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:57:16,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:57:16,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:57:16,320 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:57:16,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:57:16,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:57:16,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:57:16,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:57:16,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:57:16,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:57:16,324 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 21:57:16,325 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:57:16,325 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:57:16,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:57:16,326 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:57:16,326 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:57:16,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:57:16,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:57:16,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:57:16,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:57:16,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:57:16,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:57:16,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:57:16,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:57:16,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:57:16,331 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:57:16,331 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:57:16,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:57:16,332 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:57:16,333 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_61425f7a-b7cb-424c-b567-c9225a13f476/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 199b95a7803e428766b942c5c5c486b02a8ea32baf687cdef6ce754bef283884 [2023-11-06 21:57:16,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:57:16,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:57:16,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:57:16,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:57:16,627 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:57:16,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-06 21:57:19,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:57:20,081 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:57:20,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-06 21:57:20,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/data/c27f635b1/a27c471d4608406c8b4af3b4dfa5c490/FLAG1e6430a96 [2023-11-06 21:57:20,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/data/c27f635b1/a27c471d4608406c8b4af3b4dfa5c490 [2023-11-06 21:57:20,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:57:20,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:57:20,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:57:20,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:57:20,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:57:20,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325329ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20, skipping insertion in model container [2023-11-06 21:57:20,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:57:20,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:57:20,478 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:57:20,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:57:20,530 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:57:20,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20 WrapperNode [2023-11-06 21:57:20,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:57:20,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:57:20,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:57:20,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:57:20,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,602 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 284 [2023-11-06 21:57:20,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:57:20,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:57:20,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:57:20,603 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:57:20,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:57:20,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:57:20,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:57:20,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:57:20,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (1/1) ... [2023-11-06 21:57:20,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:57:20,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:57:20,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:57:20,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:57:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:57:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 21:57:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 21:57:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 21:57:20,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 21:57:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:57:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:57:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:57:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:57:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:57:20,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:57:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:57:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:57:20,760 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 21:57:20,864 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:57:20,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:57:21,504 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:57:21,523 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:57:21,523 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 21:57:21,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:21 BoogieIcfgContainer [2023-11-06 21:57:21,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:57:21,531 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:57:21,531 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:57:21,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:57:21,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:57:20" (1/3) ... [2023-11-06 21:57:21,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f05af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:57:21, skipping insertion in model container [2023-11-06 21:57:21,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:20" (2/3) ... [2023-11-06 21:57:21,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f05af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:57:21, skipping insertion in model container [2023-11-06 21:57:21,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:21" (3/3) ... [2023-11-06 21:57:21,539 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2023-11-06 21:57:21,550 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 21:57:21,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:57:21,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-11-06 21:57:21,562 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:57:21,757 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 21:57:21,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 355 places, 367 transitions, 748 flow [2023-11-06 21:57:22,017 INFO L124 PetriNetUnfolderBase]: 19/365 cut-off events. [2023-11-06 21:57:22,018 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 21:57:22,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 365 events. 19/365 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 537 event pairs, 0 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2023-11-06 21:57:22,031 INFO L82 GeneralOperation]: Start removeDead. Operand has 355 places, 367 transitions, 748 flow [2023-11-06 21:57:22,042 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 333 places, 344 transitions, 700 flow [2023-11-06 21:57:22,046 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 21:57:22,060 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 344 transitions, 700 flow [2023-11-06 21:57:22,065 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 344 transitions, 700 flow [2023-11-06 21:57:22,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 333 places, 344 transitions, 700 flow [2023-11-06 21:57:22,156 INFO L124 PetriNetUnfolderBase]: 18/344 cut-off events. [2023-11-06 21:57:22,156 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 21:57:22,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353 conditions, 344 events. 18/344 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 475 event pairs, 0 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2023-11-06 21:57:22,178 INFO L119 LiptonReduction]: Number of co-enabled transitions 22356 [2023-11-06 21:57:31,791 INFO L134 LiptonReduction]: Checked pairs total: 84973 [2023-11-06 21:57:31,792 INFO L136 LiptonReduction]: Total number of compositions: 356 [2023-11-06 21:57:31,808 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:57:31,815 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;@63cfd318, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:57:31,816 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-11-06 21:57:31,817 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 21:57:31,818 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 21:57:31,818 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:57:31,818 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:57:31,819 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 21:57:31,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-06 21:57:31,825 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:31,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1397, now seen corresponding path program 1 times [2023-11-06 21:57:31,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:31,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606319254] [2023-11-06 21:57:31,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:31,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:31,951 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 21:57:31,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:31,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606319254] [2023-11-06 21:57:31,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606319254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:31,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:31,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 21:57:31,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215326343] [2023-11-06 21:57:31,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:31,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:57:31,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:31,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:57:32,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:57:32,007 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 723 [2023-11-06 21:57:32,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 110 transitions, 232 flow. Second operand has 2 states, 2 states have (on average 350.5) internal successors, (701), 2 states have internal predecessors, (701), 0 states have call successors, (0), 0 states 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 21:57:32,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:57:32,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 723 [2023-11-06 21:57:32,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:57:32,451 INFO L124 PetriNetUnfolderBase]: 841/1896 cut-off events. [2023-11-06 21:57:32,451 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2023-11-06 21:57:32,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3219 conditions, 1896 events. 841/1896 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 12144 event pairs, 554 based on Foata normal form. 214/1777 useless extension candidates. Maximal degree in co-relation 2909. Up to 1278 conditions per place. [2023-11-06 21:57:32,470 INFO L140 encePairwiseOnDemand]: 696/723 looper letters, 41 selfloop transitions, 0 changer transitions 1/83 dead transitions. [2023-11-06 21:57:32,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 83 transitions, 262 flow [2023-11-06 21:57:32,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:57:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 21:57:32,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 769 transitions. [2023-11-06 21:57:32,495 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5318118948824343 [2023-11-06 21:57:32,496 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 769 transitions. [2023-11-06 21:57:32,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 769 transitions. [2023-11-06 21:57:32,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:32,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 769 transitions. [2023-11-06 21:57:32,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 384.5) internal successors, (769), 2 states have internal predecessors, (769), 0 states have call successors, (0), 0 states 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 21:57:32,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 723.0) internal successors, (2169), 3 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states 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 21:57:32,523 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 723.0) internal successors, (2169), 3 states have internal predecessors, (2169), 0 states have call successors, (0), 0 states 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 21:57:32,525 INFO L175 Difference]: Start difference. First operand has 108 places, 110 transitions, 232 flow. Second operand 2 states and 769 transitions. [2023-11-06 21:57:32,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 83 transitions, 262 flow [2023-11-06 21:57:32,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 83 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 21:57:32,536 INFO L231 Difference]: Finished difference. Result has 80 places, 82 transitions, 167 flow [2023-11-06 21:57:32,538 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=723, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=167, PETRI_PLACES=80, PETRI_TRANSITIONS=82} [2023-11-06 21:57:32,542 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-11-06 21:57:32,543 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 82 transitions, 167 flow [2023-11-06 21:57:32,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 350.5) internal successors, (701), 2 states have internal predecessors, (701), 0 states have call successors, (0), 0 states 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 21:57:32,544 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:57:32,544 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 21:57:32,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:57:32,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-06 21:57:32,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:32,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1520964779, now seen corresponding path program 1 times [2023-11-06 21:57:32,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:32,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615243481] [2023-11-06 21:57:32,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:32,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:32,745 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 21:57:32,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:32,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615243481] [2023-11-06 21:57:32,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615243481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:32,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:32,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:57:32,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102975638] [2023-11-06 21:57:32,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:32,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:57:32,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:32,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:57:32,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:57:32,775 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 340 out of 723 [2023-11-06 21:57:32,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 82 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states 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 21:57:32,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:57:32,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 340 of 723 [2023-11-06 21:57:32,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:57:33,140 INFO L124 PetriNetUnfolderBase]: 831/1904 cut-off events. [2023-11-06 21:57:33,140 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2023-11-06 21:57:33,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3252 conditions, 1904 events. 831/1904 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 11835 event pairs, 650 based on Foata normal form. 0/1684 useless extension candidates. Maximal degree in co-relation 3249. Up to 1332 conditions per place. [2023-11-06 21:57:33,158 INFO L140 encePairwiseOnDemand]: 720/723 looper letters, 42 selfloop transitions, 1 changer transitions 0/80 dead transitions. [2023-11-06 21:57:33,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 80 transitions, 249 flow [2023-11-06 21:57:33,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:57:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 21:57:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1065 transitions. [2023-11-06 21:57:33,165 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49100968188105115 [2023-11-06 21:57:33,165 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1065 transitions. [2023-11-06 21:57:33,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1065 transitions. [2023-11-06 21:57:33,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:33,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1065 transitions. [2023-11-06 21:57:33,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 355.0) internal successors, (1065), 3 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states 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 21:57:33,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:33,183 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:33,184 INFO L175 Difference]: Start difference. First operand has 80 places, 82 transitions, 167 flow. Second operand 3 states and 1065 transitions. [2023-11-06 21:57:33,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 80 transitions, 249 flow [2023-11-06 21:57:33,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 80 transitions, 249 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 21:57:33,192 INFO L231 Difference]: Finished difference. Result has 79 places, 80 transitions, 165 flow [2023-11-06 21:57:33,193 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=723, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=79, PETRI_TRANSITIONS=80} [2023-11-06 21:57:33,195 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -29 predicate places. [2023-11-06 21:57:33,195 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 80 transitions, 165 flow [2023-11-06 21:57:33,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states 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 21:57:33,198 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:57:33,199 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:33,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:57:33,207 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-06 21:57:33,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:33,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1357739608, now seen corresponding path program 1 times [2023-11-06 21:57:33,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:33,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540194872] [2023-11-06 21:57:33,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:33,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:33,391 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 21:57:33,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:33,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540194872] [2023-11-06 21:57:33,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540194872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:33,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:33,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:57:33,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534681365] [2023-11-06 21:57:33,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:33,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:57:33,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:33,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:57:33,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:57:33,423 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 723 [2023-11-06 21:57:33,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 80 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 349.6666666666667) internal successors, (1049), 3 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states 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 21:57:33,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:57:33,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 723 [2023-11-06 21:57:33,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:57:33,968 INFO L124 PetriNetUnfolderBase]: 1338/3125 cut-off events. [2023-11-06 21:57:33,969 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2023-11-06 21:57:33,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5272 conditions, 3125 events. 1338/3125 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 21934 event pairs, 495 based on Foata normal form. 0/2728 useless extension candidates. Maximal degree in co-relation 5268. Up to 1135 conditions per place. [2023-11-06 21:57:33,997 INFO L140 encePairwiseOnDemand]: 720/723 looper letters, 75 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2023-11-06 21:57:33,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 116 transitions, 393 flow [2023-11-06 21:57:33,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:57:33,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 21:57:34,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1122 transitions. [2023-11-06 21:57:34,003 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5172890733056709 [2023-11-06 21:57:34,004 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1122 transitions. [2023-11-06 21:57:34,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1122 transitions. [2023-11-06 21:57:34,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:34,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1122 transitions. [2023-11-06 21:57:34,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 374.0) internal successors, (1122), 3 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states 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 21:57:34,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:34,019 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:34,020 INFO L175 Difference]: Start difference. First operand has 79 places, 80 transitions, 165 flow. Second operand 3 states and 1122 transitions. [2023-11-06 21:57:34,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 116 transitions, 393 flow [2023-11-06 21:57:34,022 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 116 transitions, 392 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 21:57:34,024 INFO L231 Difference]: Finished difference. Result has 81 places, 81 transitions, 176 flow [2023-11-06 21:57:34,025 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=723, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=81, PETRI_TRANSITIONS=81} [2023-11-06 21:57:34,026 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2023-11-06 21:57:34,026 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 81 transitions, 176 flow [2023-11-06 21:57:34,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 349.6666666666667) internal successors, (1049), 3 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states 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 21:57:34,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:57:34,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:34,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:57:34,029 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-06 21:57:34,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:34,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1357906770, now seen corresponding path program 1 times [2023-11-06 21:57:34,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:34,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591080060] [2023-11-06 21:57:34,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:34,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:34,090 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 21:57:34,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:34,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591080060] [2023-11-06 21:57:34,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591080060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:34,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:34,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:57:34,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251248763] [2023-11-06 21:57:34,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:34,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:57:34,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:34,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:57:34,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:57:34,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 723 [2023-11-06 21:57:34,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 81 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states 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 21:57:34,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:57:34,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 723 [2023-11-06 21:57:34,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:57:34,582 INFO L124 PetriNetUnfolderBase]: 1338/3033 cut-off events. [2023-11-06 21:57:34,582 INFO L125 PetriNetUnfolderBase]: For 167/167 co-relation queries the response was YES. [2023-11-06 21:57:34,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5358 conditions, 3033 events. 1338/3033 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 20697 event pairs, 1039 based on Foata normal form. 0/2688 useless extension candidates. Maximal degree in co-relation 5353. Up to 2125 conditions per place. [2023-11-06 21:57:34,608 INFO L140 encePairwiseOnDemand]: 718/723 looper letters, 41 selfloop transitions, 1 changer transitions 0/77 dead transitions. [2023-11-06 21:57:34,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 77 transitions, 252 flow [2023-11-06 21:57:34,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:57:34,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 21:57:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1038 transitions. [2023-11-06 21:57:34,613 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4785615491009682 [2023-11-06 21:57:34,613 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1038 transitions. [2023-11-06 21:57:34,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1038 transitions. [2023-11-06 21:57:34,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:34,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1038 transitions. [2023-11-06 21:57:34,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 346.0) internal successors, (1038), 3 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states 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 21:57:34,624 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:34,627 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:34,627 INFO L175 Difference]: Start difference. First operand has 81 places, 81 transitions, 176 flow. Second operand 3 states and 1038 transitions. [2023-11-06 21:57:34,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 77 transitions, 252 flow [2023-11-06 21:57:34,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 77 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 21:57:34,631 INFO L231 Difference]: Finished difference. Result has 78 places, 77 transitions, 168 flow [2023-11-06 21:57:34,631 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=723, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=78, PETRI_TRANSITIONS=77} [2023-11-06 21:57:34,632 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -30 predicate places. [2023-11-06 21:57:34,633 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 77 transitions, 168 flow [2023-11-06 21:57:34,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states 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 21:57:34,634 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:57:34,634 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:34,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 21:57:34,635 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-06 21:57:34,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:34,635 INFO L85 PathProgramCache]: Analyzing trace with hash 722046001, now seen corresponding path program 1 times [2023-11-06 21:57:34,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:34,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387792267] [2023-11-06 21:57:34,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:34,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:34,702 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 21:57:34,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:34,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387792267] [2023-11-06 21:57:34,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387792267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:34,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:34,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:57:34,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997619179] [2023-11-06 21:57:34,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:34,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:57:34,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:34,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:57:34,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:57:34,729 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 723 [2023-11-06 21:57:34,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 77 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states 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 21:57:34,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:57:34,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 723 [2023-11-06 21:57:34,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:57:35,185 INFO L124 PetriNetUnfolderBase]: 1406/3031 cut-off events. [2023-11-06 21:57:35,186 INFO L125 PetriNetUnfolderBase]: For 173/173 co-relation queries the response was YES. [2023-11-06 21:57:35,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5432 conditions, 3031 events. 1406/3031 cut-off events. For 173/173 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 20038 event pairs, 424 based on Foata normal form. 0/2655 useless extension candidates. Maximal degree in co-relation 5427. Up to 2087 conditions per place. [2023-11-06 21:57:35,209 INFO L140 encePairwiseOnDemand]: 717/723 looper letters, 56 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2023-11-06 21:57:35,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 89 transitions, 310 flow [2023-11-06 21:57:35,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:57:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 21:57:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1072 transitions. [2023-11-06 21:57:35,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4942369755647764 [2023-11-06 21:57:35,214 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1072 transitions. [2023-11-06 21:57:35,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1072 transitions. [2023-11-06 21:57:35,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:35,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1072 transitions. [2023-11-06 21:57:35,220 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 357.3333333333333) internal successors, (1072), 3 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states 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 21:57:35,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:35,228 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:35,228 INFO L175 Difference]: Start difference. First operand has 78 places, 77 transitions, 168 flow. Second operand 3 states and 1072 transitions. [2023-11-06 21:57:35,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 89 transitions, 310 flow [2023-11-06 21:57:35,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 89 transitions, 309 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 21:57:35,232 INFO L231 Difference]: Finished difference. Result has 76 places, 75 transitions, 173 flow [2023-11-06 21:57:35,232 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=723, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=173, PETRI_PLACES=76, PETRI_TRANSITIONS=75} [2023-11-06 21:57:35,234 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -32 predicate places. [2023-11-06 21:57:35,235 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 75 transitions, 173 flow [2023-11-06 21:57:35,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states 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 21:57:35,236 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:57:35,236 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:35,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 21:57:35,236 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-06 21:57:35,237 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:35,237 INFO L85 PathProgramCache]: Analyzing trace with hash 335479923, now seen corresponding path program 1 times [2023-11-06 21:57:35,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:35,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186392516] [2023-11-06 21:57:35,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:35,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:35,412 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 21:57:35,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:35,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186392516] [2023-11-06 21:57:35,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186392516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:35,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:35,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:57:35,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51465973] [2023-11-06 21:57:35,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:35,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:57:35,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:35,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:57:35,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:57:35,458 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 344 out of 723 [2023-11-06 21:57:35,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 75 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 346.0) internal successors, (1038), 3 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states 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 21:57:35,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:57:35,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 344 of 723 [2023-11-06 21:57:35,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:57:35,902 INFO L124 PetriNetUnfolderBase]: 1406/3010 cut-off events. [2023-11-06 21:57:35,902 INFO L125 PetriNetUnfolderBase]: For 272/272 co-relation queries the response was YES. [2023-11-06 21:57:35,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5580 conditions, 3010 events. 1406/3010 cut-off events. For 272/272 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 19832 event pairs, 1073 based on Foata normal form. 0/2639 useless extension candidates. Maximal degree in co-relation 5575. Up to 2245 conditions per place. [2023-11-06 21:57:35,926 INFO L140 encePairwiseOnDemand]: 720/723 looper letters, 43 selfloop transitions, 2 changer transitions 0/76 dead transitions. [2023-11-06 21:57:35,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 76 transitions, 265 flow [2023-11-06 21:57:35,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:57:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 21:57:35,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1075 transitions. [2023-11-06 21:57:35,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4956201014292301 [2023-11-06 21:57:35,931 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1075 transitions. [2023-11-06 21:57:35,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1075 transitions. [2023-11-06 21:57:35,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:35,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1075 transitions. [2023-11-06 21:57:35,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states 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 21:57:35,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:35,943 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:35,943 INFO L175 Difference]: Start difference. First operand has 76 places, 75 transitions, 173 flow. Second operand 3 states and 1075 transitions. [2023-11-06 21:57:35,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 76 transitions, 265 flow [2023-11-06 21:57:35,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 76 transitions, 265 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 21:57:35,946 INFO L231 Difference]: Finished difference. Result has 79 places, 76 transitions, 185 flow [2023-11-06 21:57:35,947 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=723, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=79, PETRI_TRANSITIONS=76} [2023-11-06 21:57:35,947 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -29 predicate places. [2023-11-06 21:57:35,948 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 76 transitions, 185 flow [2023-11-06 21:57:35,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 346.0) internal successors, (1038), 3 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states 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 21:57:35,949 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:57:35,949 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:35,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 21:57:35,949 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-06 21:57:35,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:35,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1061385769, now seen corresponding path program 1 times [2023-11-06 21:57:35,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:35,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150902257] [2023-11-06 21:57:35,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:35,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:36,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:57:36,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:36,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150902257] [2023-11-06 21:57:36,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150902257] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:36,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:36,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:57:36,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563625835] [2023-11-06 21:57:36,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:36,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:57:36,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:36,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:57:36,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:57:36,692 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 723 [2023-11-06 21:57:36,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 76 transitions, 185 flow. Second operand has 6 states, 6 states have (on average 337.8333333333333) internal successors, (2027), 6 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states 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 21:57:36,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:57:36,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 723 [2023-11-06 21:57:36,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:57:38,006 INFO L124 PetriNetUnfolderBase]: 4638/7859 cut-off events. [2023-11-06 21:57:38,006 INFO L125 PetriNetUnfolderBase]: For 770/770 co-relation queries the response was YES. [2023-11-06 21:57:38,025 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15652 conditions, 7859 events. 4638/7859 cut-off events. For 770/770 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 51637 event pairs, 590 based on Foata normal form. 0/6916 useless extension candidates. Maximal degree in co-relation 15645. Up to 2530 conditions per place. [2023-11-06 21:57:38,062 INFO L140 encePairwiseOnDemand]: 718/723 looper letters, 185 selfloop transitions, 4 changer transitions 0/215 dead transitions. [2023-11-06 21:57:38,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 215 transitions, 905 flow [2023-11-06 21:57:38,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:57:38,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 21:57:38,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2190 transitions. [2023-11-06 21:57:38,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5048409405255878 [2023-11-06 21:57:38,072 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2190 transitions. [2023-11-06 21:57:38,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2190 transitions. [2023-11-06 21:57:38,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:38,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2190 transitions. [2023-11-06 21:57:38,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 365.0) internal successors, (2190), 6 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states 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 21:57:38,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 723.0) internal successors, (5061), 7 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states 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 21:57:38,094 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 723.0) internal successors, (5061), 7 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states 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 21:57:38,094 INFO L175 Difference]: Start difference. First operand has 79 places, 76 transitions, 185 flow. Second operand 6 states and 2190 transitions. [2023-11-06 21:57:38,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 215 transitions, 905 flow [2023-11-06 21:57:38,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 215 transitions, 901 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 21:57:38,102 INFO L231 Difference]: Finished difference. Result has 82 places, 75 transitions, 187 flow [2023-11-06 21:57:38,102 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=723, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=187, PETRI_PLACES=82, PETRI_TRANSITIONS=75} [2023-11-06 21:57:38,103 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -26 predicate places. [2023-11-06 21:57:38,104 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 75 transitions, 187 flow [2023-11-06 21:57:38,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 337.8333333333333) internal successors, (2027), 6 states have internal predecessors, (2027), 0 states have call successors, (0), 0 states 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 21:57:38,106 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:57:38,106 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:38,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 21:57:38,107 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-06 21:57:38,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:38,108 INFO L85 PathProgramCache]: Analyzing trace with hash 376112105, now seen corresponding path program 1 times [2023-11-06 21:57:38,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:38,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146902656] [2023-11-06 21:57:38,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:38,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:57:38,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:38,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146902656] [2023-11-06 21:57:38,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146902656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:38,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:38,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:57:38,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403371892] [2023-11-06 21:57:38,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:38,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:57:38,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:38,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:57:38,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:57:38,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 723 [2023-11-06 21:57:38,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 75 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 349.3333333333333) internal successors, (1048), 3 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states 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 21:57:38,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:57:38,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 723 [2023-11-06 21:57:38,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:57:38,869 INFO L124 PetriNetUnfolderBase]: 1692/3590 cut-off events. [2023-11-06 21:57:38,869 INFO L125 PetriNetUnfolderBase]: For 777/777 co-relation queries the response was YES. [2023-11-06 21:57:38,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7216 conditions, 3590 events. 1692/3590 cut-off events. For 777/777 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 23080 event pairs, 389 based on Foata normal form. 0/3222 useless extension candidates. Maximal degree in co-relation 7209. Up to 1981 conditions per place. [2023-11-06 21:57:38,895 INFO L140 encePairwiseOnDemand]: 719/723 looper letters, 64 selfloop transitions, 3 changer transitions 0/97 dead transitions. [2023-11-06 21:57:38,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 97 transitions, 378 flow [2023-11-06 21:57:38,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:57:38,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 21:57:38,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1101 transitions. [2023-11-06 21:57:38,901 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5076071922544951 [2023-11-06 21:57:38,902 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1101 transitions. [2023-11-06 21:57:38,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1101 transitions. [2023-11-06 21:57:38,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:38,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1101 transitions. [2023-11-06 21:57:38,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 367.0) internal successors, (1101), 3 states have internal predecessors, (1101), 0 states have call successors, (0), 0 states 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 21:57:38,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:38,915 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 723.0) internal successors, (2892), 4 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states 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 21:57:38,916 INFO L175 Difference]: Start difference. First operand has 82 places, 75 transitions, 187 flow. Second operand 3 states and 1101 transitions. [2023-11-06 21:57:38,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 97 transitions, 378 flow [2023-11-06 21:57:38,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 97 transitions, 369 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 21:57:38,921 INFO L231 Difference]: Finished difference. Result has 81 places, 77 transitions, 199 flow [2023-11-06 21:57:38,922 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=723, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=81, PETRI_TRANSITIONS=77} [2023-11-06 21:57:38,922 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2023-11-06 21:57:38,923 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 77 transitions, 199 flow [2023-11-06 21:57:38,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 349.3333333333333) internal successors, (1048), 3 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states 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 21:57:38,924 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:57:38,924 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:38,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 21:57:38,924 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-06 21:57:38,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:38,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1167026355, now seen corresponding path program 1 times [2023-11-06 21:57:38,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:38,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187467506] [2023-11-06 21:57:38,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:38,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:39,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:57:39,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:39,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187467506] [2023-11-06 21:57:39,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187467506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:39,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:39,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:57:39,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822269041] [2023-11-06 21:57:39,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:39,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:57:39,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:39,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:57:39,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:57:39,853 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 723 [2023-11-06 21:57:39,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 77 transitions, 199 flow. Second operand has 6 states, 6 states have (on average 338.5) internal successors, (2031), 6 states have internal predecessors, (2031), 0 states have call successors, (0), 0 states 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 21:57:39,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:57:39,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 723 [2023-11-06 21:57:39,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:57:40,899 INFO L124 PetriNetUnfolderBase]: 2444/4666 cut-off events. [2023-11-06 21:57:40,900 INFO L125 PetriNetUnfolderBase]: For 404/404 co-relation queries the response was YES. [2023-11-06 21:57:40,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9448 conditions, 4666 events. 2444/4666 cut-off events. For 404/404 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 29136 event pairs, 1349 based on Foata normal form. 116/4374 useless extension candidates. Maximal degree in co-relation 9440. Up to 2736 conditions per place. [2023-11-06 21:57:40,939 INFO L140 encePairwiseOnDemand]: 717/723 looper letters, 157 selfloop transitions, 6 changer transitions 0/188 dead transitions. [2023-11-06 21:57:40,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 188 transitions, 807 flow [2023-11-06 21:57:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:57:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 21:57:40,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2166 transitions. [2023-11-06 21:57:40,950 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49930843706777317 [2023-11-06 21:57:40,950 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2166 transitions. [2023-11-06 21:57:40,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2166 transitions. [2023-11-06 21:57:40,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:40,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2166 transitions. [2023-11-06 21:57:40,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 361.0) internal successors, (2166), 6 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states 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 21:57:40,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 723.0) internal successors, (5061), 7 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states 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 21:57:40,990 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 723.0) internal successors, (5061), 7 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states 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 21:57:40,991 INFO L175 Difference]: Start difference. First operand has 81 places, 77 transitions, 199 flow. Second operand 6 states and 2166 transitions. [2023-11-06 21:57:40,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 188 transitions, 807 flow [2023-11-06 21:57:40,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 188 transitions, 796 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 21:57:40,999 INFO L231 Difference]: Finished difference. Result has 84 places, 76 transitions, 206 flow [2023-11-06 21:57:40,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=723, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=206, PETRI_PLACES=84, PETRI_TRANSITIONS=76} [2023-11-06 21:57:41,001 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -24 predicate places. [2023-11-06 21:57:41,001 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 76 transitions, 206 flow [2023-11-06 21:57:41,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.5) internal successors, (2031), 6 states have internal predecessors, (2031), 0 states have call successors, (0), 0 states 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 21:57:41,002 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:57:41,002 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:41,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 21:57:41,003 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-06 21:57:41,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:41,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1758122584, now seen corresponding path program 1 times [2023-11-06 21:57:41,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:41,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323281255] [2023-11-06 21:57:41,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:41,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:41,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:57:41,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:41,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323281255] [2023-11-06 21:57:41,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323281255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:41,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:41,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:57:41,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440004145] [2023-11-06 21:57:41,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:41,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:57:41,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:41,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:57:41,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:57:41,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 723 [2023-11-06 21:57:41,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 76 transitions, 206 flow. Second operand has 6 states, 6 states have (on average 324.6666666666667) internal successors, (1948), 6 states have internal predecessors, (1948), 0 states have call successors, (0), 0 states 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 21:57:41,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:57:41,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 723 [2023-11-06 21:57:41,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:57:42,781 INFO L124 PetriNetUnfolderBase]: 2340/4105 cut-off events. [2023-11-06 21:57:42,781 INFO L125 PetriNetUnfolderBase]: For 736/736 co-relation queries the response was YES. [2023-11-06 21:57:42,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8939 conditions, 4105 events. 2340/4105 cut-off events. For 736/736 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 23502 event pairs, 1157 based on Foata normal form. 72/3799 useless extension candidates. Maximal degree in co-relation 8931. Up to 2376 conditions per place. [2023-11-06 21:57:42,811 INFO L140 encePairwiseOnDemand]: 703/723 looper letters, 89 selfloop transitions, 19 changer transitions 0/125 dead transitions. [2023-11-06 21:57:42,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 125 transitions, 572 flow [2023-11-06 21:57:42,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:57:42,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 21:57:42,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2033 transitions. [2023-11-06 21:57:42,826 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4686491470723836 [2023-11-06 21:57:42,826 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2033 transitions. [2023-11-06 21:57:42,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2033 transitions. [2023-11-06 21:57:42,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:42,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2033 transitions. [2023-11-06 21:57:42,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 338.8333333333333) internal successors, (2033), 6 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states 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 21:57:42,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 723.0) internal successors, (5061), 7 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states 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 21:57:42,849 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 723.0) internal successors, (5061), 7 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states 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 21:57:42,850 INFO L175 Difference]: Start difference. First operand has 84 places, 76 transitions, 206 flow. Second operand 6 states and 2033 transitions. [2023-11-06 21:57:42,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 125 transitions, 572 flow [2023-11-06 21:57:42,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 125 transitions, 544 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 21:57:42,856 INFO L231 Difference]: Finished difference. Result has 81 places, 73 transitions, 226 flow [2023-11-06 21:57:42,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=723, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=226, PETRI_PLACES=81, PETRI_TRANSITIONS=73} [2023-11-06 21:57:42,860 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2023-11-06 21:57:42,861 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 73 transitions, 226 flow [2023-11-06 21:57:42,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.6666666666667) internal successors, (1948), 6 states have internal predecessors, (1948), 0 states have call successors, (0), 0 states 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 21:57:42,862 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:57:42,862 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:42,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 21:57:42,862 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-06 21:57:42,863 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:57:42,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1272562510, now seen corresponding path program 1 times [2023-11-06 21:57:42,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:57:42,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484543919] [2023-11-06 21:57:42,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:57:42,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:57:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:57:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:57:43,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:57:43,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484543919] [2023-11-06 21:57:43,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484543919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:57:43,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:57:43,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:57:43,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21080665] [2023-11-06 21:57:43,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:57:43,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:57:43,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:57:43,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:57:43,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:57:43,886 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 723 [2023-11-06 21:57:43,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 73 transitions, 226 flow. Second operand has 6 states, 6 states have (on average 338.3333333333333) internal successors, (2030), 6 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states 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 21:57:43,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:57:43,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 723 [2023-11-06 21:57:43,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:57:44,656 INFO L124 PetriNetUnfolderBase]: 1948/3831 cut-off events. [2023-11-06 21:57:44,656 INFO L125 PetriNetUnfolderBase]: For 560/560 co-relation queries the response was YES. [2023-11-06 21:57:44,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8587 conditions, 3831 events. 1948/3831 cut-off events. For 560/560 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 24007 event pairs, 1295 based on Foata normal form. 0/3465 useless extension candidates. Maximal degree in co-relation 8579. Up to 2616 conditions per place. [2023-11-06 21:57:44,669 INFO L140 encePairwiseOnDemand]: 718/723 looper letters, 0 selfloop transitions, 0 changer transitions 176/176 dead transitions. [2023-11-06 21:57:44,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 176 transitions, 882 flow [2023-11-06 21:57:44,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:57:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 21:57:44,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2154 transitions. [2023-11-06 21:57:44,678 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49654218533886585 [2023-11-06 21:57:44,679 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2154 transitions. [2023-11-06 21:57:44,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2154 transitions. [2023-11-06 21:57:44,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:57:44,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2154 transitions. [2023-11-06 21:57:44,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 359.0) internal successors, (2154), 6 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states 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 21:57:44,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 723.0) internal successors, (5061), 7 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states 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 21:57:44,698 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 723.0) internal successors, (5061), 7 states have internal predecessors, (5061), 0 states have call successors, (0), 0 states 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 21:57:44,698 INFO L175 Difference]: Start difference. First operand has 81 places, 73 transitions, 226 flow. Second operand 6 states and 2154 transitions. [2023-11-06 21:57:44,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 176 transitions, 882 flow [2023-11-06 21:57:44,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 176 transitions, 764 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 21:57:44,706 INFO L231 Difference]: Finished difference. Result has 80 places, 0 transitions, 0 flow [2023-11-06 21:57:44,706 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=723, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=80, PETRI_TRANSITIONS=0} [2023-11-06 21:57:44,707 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-11-06 21:57:44,707 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 0 transitions, 0 flow [2023-11-06 21:57:44,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 338.3333333333333) internal successors, (2030), 6 states have internal predecessors, (2030), 0 states have call successors, (0), 0 states 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 21:57:44,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2023-11-06 21:57:44,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2023-11-06 21:57:44,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2023-11-06 21:57:44,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2023-11-06 21:57:44,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2023-11-06 21:57:44,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2023-11-06 21:57:44,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2023-11-06 21:57:44,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2023-11-06 21:57:44,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2023-11-06 21:57:44,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2023-11-06 21:57:44,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2023-11-06 21:57:44,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2023-11-06 21:57:44,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2023-11-06 21:57:44,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2023-11-06 21:57:44,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2023-11-06 21:57:44,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2023-11-06 21:57:44,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2023-11-06 21:57:44,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2023-11-06 21:57:44,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2023-11-06 21:57:44,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2023-11-06 21:57:44,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2023-11-06 21:57:44,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2023-11-06 21:57:44,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2023-11-06 21:57:44,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2023-11-06 21:57:44,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2023-11-06 21:57:44,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2023-11-06 21:57:44,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2023-11-06 21:57:44,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2023-11-06 21:57:44,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2023-11-06 21:57:44,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2023-11-06 21:57:44,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2023-11-06 21:57:44,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2023-11-06 21:57:44,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2023-11-06 21:57:44,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2023-11-06 21:57:44,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2023-11-06 21:57:44,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2023-11-06 21:57:44,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2023-11-06 21:57:44,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2023-11-06 21:57:44,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2023-11-06 21:57:44,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2023-11-06 21:57:44,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 73 remaining) [2023-11-06 21:57:44,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2023-11-06 21:57:44,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2023-11-06 21:57:44,727 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2023-11-06 21:57:44,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2023-11-06 21:57:44,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2023-11-06 21:57:44,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2023-11-06 21:57:44,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2023-11-06 21:57:44,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2023-11-06 21:57:44,728 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2023-11-06 21:57:44,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2023-11-06 21:57:44,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2023-11-06 21:57:44,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2023-11-06 21:57:44,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2023-11-06 21:57:44,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2023-11-06 21:57:44,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2023-11-06 21:57:44,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2023-11-06 21:57:44,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2023-11-06 21:57:44,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2023-11-06 21:57:44,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2023-11-06 21:57:44,730 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2023-11-06 21:57:44,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2023-11-06 21:57:44,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2023-11-06 21:57:44,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2023-11-06 21:57:44,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2023-11-06 21:57:44,731 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2023-11-06 21:57:44,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2023-11-06 21:57:44,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2023-11-06 21:57:44,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2023-11-06 21:57:44,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2023-11-06 21:57:44,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2023-11-06 21:57:44,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2023-11-06 21:57:44,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2023-11-06 21:57:44,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 21:57:44,733 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:57:44,740 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 21:57:44,740 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:57:44,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:57:44 BasicIcfg [2023-11-06 21:57:44,746 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:57:44,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:57:44,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:57:44,747 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:57:44,748 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:21" (3/4) ... [2023-11-06 21:57:44,749 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 21:57:44,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 21:57:44,753 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 21:57:44,762 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-06 21:57:44,763 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 21:57:44,763 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 21:57:44,764 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:57:44,846 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:57:44,847 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 21:57:44,847 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:57:44,848 INFO L158 Benchmark]: Toolchain (without parser) took 24718.83ms. Allocated memory was 167.8MB in the beginning and 515.9MB in the end (delta: 348.1MB). Free memory was 131.3MB in the beginning and 330.3MB in the end (delta: -199.0MB). Peak memory consumption was 150.8MB. Max. memory is 16.1GB. [2023-11-06 21:57:44,848 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:57:44,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.44ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 118.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 21:57:44,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.62ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 115.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:57:44,849 INFO L158 Benchmark]: Boogie Preprocessor took 49.39ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 113.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:57:44,850 INFO L158 Benchmark]: RCFGBuilder took 874.44ms. Allocated memory is still 167.8MB. Free memory was 113.3MB in the beginning and 85.2MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-06 21:57:44,850 INFO L158 Benchmark]: TraceAbstraction took 23215.73ms. Allocated memory was 167.8MB in the beginning and 515.9MB in the end (delta: 348.1MB). Free memory was 83.9MB in the beginning and 334.5MB in the end (delta: -250.6MB). Peak memory consumption was 275.3MB. Max. memory is 16.1GB. [2023-11-06 21:57:44,851 INFO L158 Benchmark]: Witness Printer took 100.16ms. Allocated memory is still 515.9MB. Free memory was 334.5MB in the beginning and 330.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:57:44,853 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.44ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 118.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.62ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 115.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.39ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 113.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 874.44ms. Allocated memory is still 167.8MB. Free memory was 113.3MB in the beginning and 85.2MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 23215.73ms. Allocated memory was 167.8MB in the beginning and 515.9MB in the end (delta: 348.1MB). Free memory was 83.9MB in the beginning and 334.5MB in the end (delta: -250.6MB). Peak memory consumption was 275.3MB. Max. memory is 16.1GB. * Witness Printer took 100.16ms. Allocated memory is still 515.9MB. Free memory was 334.5MB in the beginning and 330.3MB 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7s, 333 PlacesBefore, 108 PlacesAfterwards, 344 TransitionsBefore, 110 TransitionsAfterwards, 22356 CoEnabledTransitionPairs, 8 FixpointIterations, 120 TrivialSequentialCompositions, 174 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 33 ConcurrentYvCompositions, 9 ChoiceCompositions, 356 TotalNumberOfCompositions, 84973 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26814, independent: 25669, independent conditional: 0, independent unconditional: 25669, dependent: 1145, dependent conditional: 0, dependent unconditional: 1145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12703, independent: 12527, independent conditional: 0, independent unconditional: 12527, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26814, independent: 13142, independent conditional: 0, independent unconditional: 13142, dependent: 969, dependent conditional: 0, dependent unconditional: 969, unknown: 12703, unknown conditional: 0, unknown unconditional: 12703] , Statistics on independence cache: Total cache size (in pairs): 1063, Positive cache size: 975, Positive conditional cache size: 0, Positive unconditional cache size: 975, Negative cache size: 88, Negative conditional cache size: 0, Negative unconditional cache size: 88, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: 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 5 procedures, 539 locations, 73 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: 22.9s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1319 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 846 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 453 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3117 IncrementalHoareTripleChecker+Invalid, 3570 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 453 mSolverCounterUnsat, 31 mSDtfsCounter, 3117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232occurred in iteration=0, InterpolantAutomatonStates: 44, 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, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 5/5 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 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 21:57:44,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61425f7a-b7cb-424c-b567-c9225a13f476/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE