./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport-b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport-b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 991793f8d7262fdf8fcd914d5c9fbaf399d7f573a6d3b742f5710da63c18b7e1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:53:47,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:53:47,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:53:47,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:53:47,924 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:53:47,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:53:47,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:53:47,960 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:53:47,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:53:47,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:53:47,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:53:47,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:53:47,963 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:53:47,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:53:47,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:53:47,965 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:53:47,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:53:47,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:53:47,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:53:47,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:53:47,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:53:47,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:53:47,971 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:53:47,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:53:47,972 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:53:47,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:53:47,973 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:53:47,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:53:47,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:53:47,975 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:53:47,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:53:47,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:53:47,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:53:47,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:53:47,986 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:53:47,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:53:47,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:53:47,987 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:53:47,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:53:47,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:53:47,988 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:53:47,989 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_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 991793f8d7262fdf8fcd914d5c9fbaf399d7f573a6d3b742f5710da63c18b7e1 [2023-11-19 07:53:48,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:53:48,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:53:48,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:53:48,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:53:48,339 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:53:48,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/pthread-atomic/lamport-b.i [2023-11-19 07:53:51,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:53:51,847 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:53:51,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/sv-benchmarks/c/pthread-atomic/lamport-b.i [2023-11-19 07:53:51,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/data/b8bbb7d9d/b4aac2b730d0459c89a6f7466de90421/FLAG9941676d9 [2023-11-19 07:53:51,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/data/b8bbb7d9d/b4aac2b730d0459c89a6f7466de90421 [2023-11-19 07:53:51,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:53:51,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:53:51,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:53:51,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:53:51,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:53:51,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:51" (1/1) ... [2023-11-19 07:53:51,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19da224b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:51, skipping insertion in model container [2023-11-19 07:53:51,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:51" (1/1) ... [2023-11-19 07:53:51,981 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:53:52,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:53:52,420 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:53:52,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:53:52,546 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:53:52,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52 WrapperNode [2023-11-19 07:53:52,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:53:52,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:53:52,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:53:52,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:53:52,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (1/1) ... [2023-11-19 07:53:52,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (1/1) ... [2023-11-19 07:53:52,652 INFO L138 Inliner]: procedures = 167, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 225 [2023-11-19 07:53:52,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:53:52,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:53:52,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:53:52,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:53:52,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (1/1) ... [2023-11-19 07:53:52,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (1/1) ... [2023-11-19 07:53:52,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (1/1) ... [2023-11-19 07:53:52,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (1/1) ... [2023-11-19 07:53:52,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (1/1) ... [2023-11-19 07:53:52,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (1/1) ... [2023-11-19 07:53:52,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (1/1) ... [2023-11-19 07:53:52,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (1/1) ... [2023-11-19 07:53:52,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:53:52,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:53:52,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:53:52,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:53:52,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (1/1) ... [2023-11-19 07:53:52,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:53:52,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:53:52,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:53:52,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:53:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:53:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-19 07:53:52,814 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-19 07:53:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-19 07:53:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-19 07:53:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:53:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:53:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:53:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:53:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:53:52,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:53:52,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:53:52,818 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:53:53,065 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:53:53,083 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:53:53,429 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:53:53,441 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:53:53,442 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 07:53:53,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:53 BoogieIcfgContainer [2023-11-19 07:53:53,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:53:53,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:53:53,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:53:53,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:53:53,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:53:51" (1/3) ... [2023-11-19 07:53:53,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b9c9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:53:53, skipping insertion in model container [2023-11-19 07:53:53,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:52" (2/3) ... [2023-11-19 07:53:53,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b9c9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:53:53, skipping insertion in model container [2023-11-19 07:53:53,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:53" (3/3) ... [2023-11-19 07:53:53,457 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport-b.i [2023-11-19 07:53:53,466 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:53:53,478 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:53:53,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-19 07:53:53,478 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:53:53,636 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:53:53,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 236 places, 255 transitions, 524 flow [2023-11-19 07:53:53,809 INFO L124 PetriNetUnfolderBase]: 26/253 cut-off events. [2023-11-19 07:53:53,809 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:53:53,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 253 events. 26/253 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 804 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 219. Up to 5 conditions per place. [2023-11-19 07:53:53,822 INFO L82 GeneralOperation]: Start removeDead. Operand has 236 places, 255 transitions, 524 flow [2023-11-19 07:53:53,833 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 243 transitions, 495 flow [2023-11-19 07:53:53,837 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:53:53,848 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 243 transitions, 495 flow [2023-11-19 07:53:53,851 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 243 transitions, 495 flow [2023-11-19 07:53:53,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 243 transitions, 495 flow [2023-11-19 07:53:53,930 INFO L124 PetriNetUnfolderBase]: 26/243 cut-off events. [2023-11-19 07:53:53,931 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:53:53,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 243 events. 26/243 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 800 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 219. Up to 5 conditions per place. [2023-11-19 07:53:53,953 INFO L119 LiptonReduction]: Number of co-enabled transitions 26600 [2023-11-19 07:53:56,933 INFO L134 LiptonReduction]: Checked pairs total: 136381 [2023-11-19 07:53:56,934 INFO L136 LiptonReduction]: Total number of compositions: 110 [2023-11-19 07:53:56,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:53:56,962 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@373b5b30, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:53:56,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2023-11-19 07:53:56,966 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:53:56,967 INFO L124 PetriNetUnfolderBase]: 1/10 cut-off events. [2023-11-19 07:53:56,967 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:53:56,967 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:53:56,968 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:53:56,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-19 07:53:56,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:53:56,975 INFO L85 PathProgramCache]: Analyzing trace with hash 913651109, now seen corresponding path program 1 times [2023-11-19 07:53:56,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:53:56,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492965458] [2023-11-19 07:53:56,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:53:56,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:53:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:53:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:53:57,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:53:57,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492965458] [2023-11-19 07:53:57,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492965458] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:53:57,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:53:57,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:53:57,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486382016] [2023-11-19 07:53:57,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:53:57,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:53:57,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:53:57,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:53:57,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:53:57,287 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 365 [2023-11-19 07:53:57,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 161 transitions, 331 flow. Second operand has 2 states, 2 states have (on average 237.0) internal successors, (474), 2 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:53:57,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:53:57,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 365 [2023-11-19 07:53:57,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:53:58,047 INFO L124 PetriNetUnfolderBase]: 1485/4460 cut-off events. [2023-11-19 07:53:58,047 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2023-11-19 07:53:58,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6531 conditions, 4460 events. 1485/4460 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 37302 event pairs, 1137 based on Foata normal form. 317/3992 useless extension candidates. Maximal degree in co-relation 6354. Up to 2007 conditions per place. [2023-11-19 07:53:58,101 INFO L140 encePairwiseOnDemand]: 349/365 looper letters, 44 selfloop transitions, 0 changer transitions 0/142 dead transitions. [2023-11-19 07:53:58,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 142 transitions, 381 flow [2023-11-19 07:53:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:53:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:53:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 530 transitions. [2023-11-19 07:53:58,130 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.726027397260274 [2023-11-19 07:53:58,131 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 530 transitions. [2023-11-19 07:53:58,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 530 transitions. [2023-11-19 07:53:58,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:53:58,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 530 transitions. [2023-11-19 07:53:58,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 265.0) internal successors, (530), 2 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:53:58,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 365.0) internal successors, (1095), 3 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:53:58,159 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 365.0) internal successors, (1095), 3 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:53:58,162 INFO L175 Difference]: Start difference. First operand has 142 places, 161 transitions, 331 flow. Second operand 2 states and 530 transitions. [2023-11-19 07:53:58,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 142 transitions, 381 flow [2023-11-19 07:53:58,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 142 transitions, 376 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-19 07:53:58,177 INFO L231 Difference]: Finished difference. Result has 135 places, 142 transitions, 288 flow [2023-11-19 07:53:58,180 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=288, PETRI_PLACES=135, PETRI_TRANSITIONS=142} [2023-11-19 07:53:58,185 INFO L281 CegarLoopForPetriNet]: 142 programPoint places, -7 predicate places. [2023-11-19 07:53:58,185 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 142 transitions, 288 flow [2023-11-19 07:53:58,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 237.0) internal successors, (474), 2 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:53:58,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:53:58,186 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:53:58,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:53:58,187 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-19 07:53:58,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:53:58,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1743472716, now seen corresponding path program 1 times [2023-11-19 07:53:58,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:53:58,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112805646] [2023-11-19 07:53:58,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:53:58,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:53:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:53:58,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:53:58,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:53:58,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112805646] [2023-11-19 07:53:58,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112805646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:53:58,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:53:58,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:53:58,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439415402] [2023-11-19 07:53:58,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:53:58,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:53:58,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:53:58,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:53:58,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:53:58,365 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 365 [2023-11-19 07:53:58,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 142 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:53:58,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:53:58,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 365 [2023-11-19 07:53:58,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:53:59,182 INFO L124 PetriNetUnfolderBase]: 1919/5254 cut-off events. [2023-11-19 07:53:59,183 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:53:59,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7984 conditions, 5254 events. 1919/5254 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 43121 event pairs, 1341 based on Foata normal form. 0/4336 useless extension candidates. Maximal degree in co-relation 7981. Up to 2447 conditions per place. [2023-11-19 07:53:59,235 INFO L140 encePairwiseOnDemand]: 360/365 looper letters, 69 selfloop transitions, 4 changer transitions 0/166 dead transitions. [2023-11-19 07:53:59,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 166 transitions, 484 flow [2023-11-19 07:53:59,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:53:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:53:59,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 752 transitions. [2023-11-19 07:53:59,242 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6867579908675799 [2023-11-19 07:53:59,242 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 752 transitions. [2023-11-19 07:53:59,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 752 transitions. [2023-11-19 07:53:59,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:53:59,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 752 transitions. [2023-11-19 07:53:59,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:53:59,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:53:59,253 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:53:59,254 INFO L175 Difference]: Start difference. First operand has 135 places, 142 transitions, 288 flow. Second operand 3 states and 752 transitions. [2023-11-19 07:53:59,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 166 transitions, 484 flow [2023-11-19 07:53:59,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 166 transitions, 484 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:53:59,270 INFO L231 Difference]: Finished difference. Result has 139 places, 145 transitions, 318 flow [2023-11-19 07:53:59,270 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=139, PETRI_TRANSITIONS=145} [2023-11-19 07:53:59,271 INFO L281 CegarLoopForPetriNet]: 142 programPoint places, -3 predicate places. [2023-11-19 07:53:59,272 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 145 transitions, 318 flow [2023-11-19 07:53:59,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:53:59,274 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:53:59,274 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:53:59,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:53:59,281 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-19 07:53:59,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:53:59,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2127606523, now seen corresponding path program 1 times [2023-11-19 07:53:59,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:53:59,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307598690] [2023-11-19 07:53:59,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:53:59,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:53:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:53:59,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:53:59,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:53:59,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307598690] [2023-11-19 07:53:59,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307598690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:53:59,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:53:59,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:53:59,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169608662] [2023-11-19 07:53:59,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:53:59,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:53:59,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:53:59,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:53:59,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:53:59,444 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 365 [2023-11-19 07:53:59,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 145 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:53:59,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:53:59,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 365 [2023-11-19 07:53:59,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:54:00,257 INFO L124 PetriNetUnfolderBase]: 1954/5442 cut-off events. [2023-11-19 07:54:00,257 INFO L125 PetriNetUnfolderBase]: For 326/367 co-relation queries the response was YES. [2023-11-19 07:54:00,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8566 conditions, 5442 events. 1954/5442 cut-off events. For 326/367 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 45654 event pairs, 1320 based on Foata normal form. 0/4516 useless extension candidates. Maximal degree in co-relation 8561. Up to 2504 conditions per place. [2023-11-19 07:54:00,395 INFO L140 encePairwiseOnDemand]: 360/365 looper letters, 71 selfloop transitions, 4 changer transitions 0/171 dead transitions. [2023-11-19 07:54:00,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 171 transitions, 531 flow [2023-11-19 07:54:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:00,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:54:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 752 transitions. [2023-11-19 07:54:00,399 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6867579908675799 [2023-11-19 07:54:00,399 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 752 transitions. [2023-11-19 07:54:00,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 752 transitions. [2023-11-19 07:54:00,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:54:00,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 752 transitions. [2023-11-19 07:54:00,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 250.66666666666666) internal successors, (752), 3 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:00,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:00,408 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:00,408 INFO L175 Difference]: Start difference. First operand has 139 places, 145 transitions, 318 flow. Second operand 3 states and 752 transitions. [2023-11-19 07:54:00,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 171 transitions, 531 flow [2023-11-19 07:54:00,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 171 transitions, 519 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:54:00,416 INFO L231 Difference]: Finished difference. Result has 141 places, 148 transitions, 340 flow [2023-11-19 07:54:00,417 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=141, PETRI_TRANSITIONS=148} [2023-11-19 07:54:00,418 INFO L281 CegarLoopForPetriNet]: 142 programPoint places, -1 predicate places. [2023-11-19 07:54:00,418 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 148 transitions, 340 flow [2023-11-19 07:54:00,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:00,419 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:54:00,419 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:00,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:54:00,420 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-19 07:54:00,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:00,420 INFO L85 PathProgramCache]: Analyzing trace with hash -755321930, now seen corresponding path program 1 times [2023-11-19 07:54:00,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:00,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738087761] [2023-11-19 07:54:00,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:00,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:00,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:00,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738087761] [2023-11-19 07:54:00,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738087761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:00,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:00,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:00,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778843858] [2023-11-19 07:54:00,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:00,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:00,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:00,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:00,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:00,503 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 365 [2023-11-19 07:54:00,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 148 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:00,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:54:00,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 365 [2023-11-19 07:54:00,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:54:01,395 INFO L124 PetriNetUnfolderBase]: 2061/5867 cut-off events. [2023-11-19 07:54:01,395 INFO L125 PetriNetUnfolderBase]: For 458/529 co-relation queries the response was YES. [2023-11-19 07:54:01,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9349 conditions, 5867 events. 2061/5867 cut-off events. For 458/529 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 50558 event pairs, 1357 based on Foata normal form. 0/4869 useless extension candidates. Maximal degree in co-relation 9343. Up to 2647 conditions per place. [2023-11-19 07:54:01,454 INFO L140 encePairwiseOnDemand]: 359/365 looper letters, 70 selfloop transitions, 5 changer transitions 0/173 dead transitions. [2023-11-19 07:54:01,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 173 transitions, 552 flow [2023-11-19 07:54:01,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:54:01,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2023-11-19 07:54:01,460 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6885844748858447 [2023-11-19 07:54:01,460 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 754 transitions. [2023-11-19 07:54:01,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 754 transitions. [2023-11-19 07:54:01,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:54:01,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 754 transitions. [2023-11-19 07:54:01,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:01,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:01,478 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:01,478 INFO L175 Difference]: Start difference. First operand has 141 places, 148 transitions, 340 flow. Second operand 3 states and 754 transitions. [2023-11-19 07:54:01,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 173 transitions, 552 flow [2023-11-19 07:54:01,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 173 transitions, 540 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:54:01,491 INFO L231 Difference]: Finished difference. Result has 143 places, 152 transitions, 370 flow [2023-11-19 07:54:01,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=370, PETRI_PLACES=143, PETRI_TRANSITIONS=152} [2023-11-19 07:54:01,494 INFO L281 CegarLoopForPetriNet]: 142 programPoint places, 1 predicate places. [2023-11-19 07:54:01,494 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 152 transitions, 370 flow [2023-11-19 07:54:01,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:01,495 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:54:01,496 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:01,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:54:01,496 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-19 07:54:01,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:01,497 INFO L85 PathProgramCache]: Analyzing trace with hash -14872583, now seen corresponding path program 1 times [2023-11-19 07:54:01,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:01,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023712722] [2023-11-19 07:54:01,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:01,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:01,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:01,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023712722] [2023-11-19 07:54:01,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023712722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:01,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:01,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:01,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562499569] [2023-11-19 07:54:01,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:01,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:01,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:01,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:01,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:01,618 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 365 [2023-11-19 07:54:01,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 152 transitions, 370 flow. Second operand has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:01,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:54:01,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 365 [2023-11-19 07:54:01,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:54:03,333 INFO L124 PetriNetUnfolderBase]: 5117/12539 cut-off events. [2023-11-19 07:54:03,334 INFO L125 PetriNetUnfolderBase]: For 972/1129 co-relation queries the response was YES. [2023-11-19 07:54:03,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22048 conditions, 12539 events. 5117/12539 cut-off events. For 972/1129 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 112202 event pairs, 1581 based on Foata normal form. 0/10951 useless extension candidates. Maximal degree in co-relation 22041. Up to 4600 conditions per place. [2023-11-19 07:54:03,438 INFO L140 encePairwiseOnDemand]: 337/365 looper letters, 113 selfloop transitions, 21 changer transitions 0/214 dead transitions. [2023-11-19 07:54:03,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 214 transitions, 793 flow [2023-11-19 07:54:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:03,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:54:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 755 transitions. [2023-11-19 07:54:03,443 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6894977168949772 [2023-11-19 07:54:03,443 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 755 transitions. [2023-11-19 07:54:03,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 755 transitions. [2023-11-19 07:54:03,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:54:03,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 755 transitions. [2023-11-19 07:54:03,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:03,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:03,453 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:03,454 INFO L175 Difference]: Start difference. First operand has 143 places, 152 transitions, 370 flow. Second operand 3 states and 755 transitions. [2023-11-19 07:54:03,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 214 transitions, 793 flow [2023-11-19 07:54:03,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 214 transitions, 777 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:54:03,464 INFO L231 Difference]: Finished difference. Result has 145 places, 173 transitions, 548 flow [2023-11-19 07:54:03,465 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=548, PETRI_PLACES=145, PETRI_TRANSITIONS=173} [2023-11-19 07:54:03,466 INFO L281 CegarLoopForPetriNet]: 142 programPoint places, 3 predicate places. [2023-11-19 07:54:03,466 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 173 transitions, 548 flow [2023-11-19 07:54:03,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:03,468 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:54:03,468 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:03,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:54:03,468 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-19 07:54:03,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:03,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1602287238, now seen corresponding path program 1 times [2023-11-19 07:54:03,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:03,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984894885] [2023-11-19 07:54:03,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:03,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:03,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:03,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984894885] [2023-11-19 07:54:03,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984894885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:03,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:03,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:03,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864159423] [2023-11-19 07:54:03,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:03,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:03,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:03,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:03,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:03,656 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 365 [2023-11-19 07:54:03,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 173 transitions, 548 flow. Second operand has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:03,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:54:03,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 365 [2023-11-19 07:54:03,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:54:05,354 INFO L124 PetriNetUnfolderBase]: 3978/11334 cut-off events. [2023-11-19 07:54:05,354 INFO L125 PetriNetUnfolderBase]: For 2267/2512 co-relation queries the response was YES. [2023-11-19 07:54:05,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20655 conditions, 11334 events. 3978/11334 cut-off events. For 2267/2512 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 109547 event pairs, 2471 based on Foata normal form. 38/9776 useless extension candidates. Maximal degree in co-relation 20647. Up to 5327 conditions per place. [2023-11-19 07:54:05,432 INFO L140 encePairwiseOnDemand]: 360/365 looper letters, 81 selfloop transitions, 5 changer transitions 0/202 dead transitions. [2023-11-19 07:54:05,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 202 transitions, 813 flow [2023-11-19 07:54:05,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:54:05,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2023-11-19 07:54:05,436 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6876712328767123 [2023-11-19 07:54:05,437 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 753 transitions. [2023-11-19 07:54:05,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 753 transitions. [2023-11-19 07:54:05,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:54:05,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 753 transitions. [2023-11-19 07:54:05,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:05,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:05,447 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:05,447 INFO L175 Difference]: Start difference. First operand has 145 places, 173 transitions, 548 flow. Second operand 3 states and 753 transitions. [2023-11-19 07:54:05,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 202 transitions, 813 flow [2023-11-19 07:54:05,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 202 transitions, 765 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:54:05,468 INFO L231 Difference]: Finished difference. Result has 146 places, 176 transitions, 537 flow [2023-11-19 07:54:05,469 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=537, PETRI_PLACES=146, PETRI_TRANSITIONS=176} [2023-11-19 07:54:05,473 INFO L281 CegarLoopForPetriNet]: 142 programPoint places, 4 predicate places. [2023-11-19 07:54:05,477 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 176 transitions, 537 flow [2023-11-19 07:54:05,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.33333333333334) internal successors, (691), 3 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:05,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:54:05,478 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:05,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:54:05,479 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-19 07:54:05,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:05,481 INFO L85 PathProgramCache]: Analyzing trace with hash 187145965, now seen corresponding path program 1 times [2023-11-19 07:54:05,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:05,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708367656] [2023-11-19 07:54:05,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:05,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:05,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:05,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708367656] [2023-11-19 07:54:05,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708367656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:05,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:05,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:05,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656456261] [2023-11-19 07:54:05,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:05,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:05,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:05,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:05,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:05,581 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 365 [2023-11-19 07:54:05,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 176 transitions, 537 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:05,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:54:05,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 365 [2023-11-19 07:54:05,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:54:06,786 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([782] L693-4-->L693-1: Formula: (= |v_#race~y~0_25| 0) InVars {} OutVars{#race~y~0=|v_#race~y~0_25|} AuxVars[] AssignedVars[#race~y~0][156], [271#true, Black: 256#(= |#race~x~0| |thr1Thread1of1ForFork0_#t~nondet4#1|), 162#L693-1true, 39#L727-1true, Black: 244#(= |#race~b1~0| |thr1Thread1of1ForFork0_#t~nondet3#1|), Black: 260#true, 169#L742-4true, 266#true, 239#true, Black: 250#(= |thr2Thread1of1ForFork1_#t~nondet11#1| |#race~b2~0|), thr2Thread1of1ForFork1InUse, Black: 268#(= |thr2Thread1of1ForFork1_#t~nondet12#1| |#race~x~0|)]) [2023-11-19 07:54:06,786 INFO L294 olderBase$Statistics]: this new event has 47 ancestors and is cut-off event [2023-11-19 07:54:06,786 INFO L297 olderBase$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-11-19 07:54:06,786 INFO L297 olderBase$Statistics]: existing Event has 47 ancestors and is cut-off event [2023-11-19 07:54:06,787 INFO L297 olderBase$Statistics]: existing Event has 44 ancestors and is cut-off event [2023-11-19 07:54:06,787 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([782] L693-4-->L693-1: Formula: (= |v_#race~y~0_25| 0) InVars {} OutVars{#race~y~0=|v_#race~y~0_25|} AuxVars[] AssignedVars[#race~y~0][156], [271#true, Black: 256#(= |#race~x~0| |thr1Thread1of1ForFork0_#t~nondet4#1|), 162#L693-1true, Black: 244#(= |#race~b1~0| |thr1Thread1of1ForFork0_#t~nondet3#1|), Black: 260#true, 169#L742-4true, 266#true, 239#true, Black: 250#(= |thr2Thread1of1ForFork1_#t~nondet11#1| |#race~b2~0|), thr2Thread1of1ForFork1InUse, Black: 268#(= |thr2Thread1of1ForFork1_#t~nondet12#1| |#race~x~0|), 142#L727-2true]) [2023-11-19 07:54:06,787 INFO L294 olderBase$Statistics]: this new event has 48 ancestors and is cut-off event [2023-11-19 07:54:06,787 INFO L297 olderBase$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-11-19 07:54:06,787 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-11-19 07:54:06,787 INFO L297 olderBase$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-11-19 07:54:06,788 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([714] L727-2-->L727-5: Formula: (= v_~y~0_7 0) InVars {~y~0=v_~y~0_7} OutVars{~y~0=v_~y~0_7} AuxVars[] AssignedVars[][188], [4#L727-5true, Black: 256#(= |#race~x~0| |thr1Thread1of1ForFork0_#t~nondet4#1|), Black: 244#(= |#race~b1~0| |thr1Thread1of1ForFork0_#t~nondet3#1|), 137#L693-4true, Black: 260#true, 169#L742-4true, 266#true, 239#true, Black: 250#(= |thr2Thread1of1ForFork1_#t~nondet11#1| |#race~b2~0|), thr2Thread1of1ForFork1InUse, 273#(= ~y~0 0), Black: 268#(= |thr2Thread1of1ForFork1_#t~nondet12#1| |#race~x~0|)]) [2023-11-19 07:54:06,788 INFO L294 olderBase$Statistics]: this new event has 48 ancestors and is cut-off event [2023-11-19 07:54:06,788 INFO L297 olderBase$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-11-19 07:54:06,788 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-11-19 07:54:06,788 INFO L297 olderBase$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-11-19 07:54:06,788 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([715] L727-2-->L727-4: Formula: (not (= v_~y~0_8 0)) InVars {~y~0=v_~y~0_8} OutVars{~y~0=v_~y~0_8} AuxVars[] AssignedVars[][189], [271#true, Black: 256#(= |#race~x~0| |thr1Thread1of1ForFork0_#t~nondet4#1|), Black: 244#(= |#race~b1~0| |thr1Thread1of1ForFork0_#t~nondet3#1|), 137#L693-4true, Black: 260#true, 169#L742-4true, 266#true, 151#L727-4true, 239#true, Black: 250#(= |thr2Thread1of1ForFork1_#t~nondet11#1| |#race~b2~0|), thr2Thread1of1ForFork1InUse, Black: 268#(= |thr2Thread1of1ForFork1_#t~nondet12#1| |#race~x~0|)]) [2023-11-19 07:54:06,789 INFO L294 olderBase$Statistics]: this new event has 48 ancestors and is cut-off event [2023-11-19 07:54:06,789 INFO L297 olderBase$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-11-19 07:54:06,789 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-11-19 07:54:06,789 INFO L297 olderBase$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-11-19 07:54:06,821 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([782] L693-4-->L693-1: Formula: (= |v_#race~y~0_25| 0) InVars {} OutVars{#race~y~0=|v_#race~y~0_25|} AuxVars[] AssignedVars[#race~y~0][156], [271#true, Black: 256#(= |#race~x~0| |thr1Thread1of1ForFork0_#t~nondet4#1|), 162#L693-1true, 39#L727-1true, Black: 244#(= |#race~b1~0| |thr1Thread1of1ForFork0_#t~nondet3#1|), Black: 260#true, 102#L743-6true, 266#true, 239#true, thr2Thread1of1ForFork1InUse, Black: 250#(= |thr2Thread1of1ForFork1_#t~nondet11#1| |#race~b2~0|), Black: 268#(= |thr2Thread1of1ForFork1_#t~nondet12#1| |#race~x~0|)]) [2023-11-19 07:54:06,821 INFO L294 olderBase$Statistics]: this new event has 48 ancestors and is cut-off event [2023-11-19 07:54:06,822 INFO L297 olderBase$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-11-19 07:54:06,822 INFO L297 olderBase$Statistics]: existing Event has 48 ancestors and is cut-off event [2023-11-19 07:54:06,822 INFO L297 olderBase$Statistics]: existing Event has 45 ancestors and is cut-off event [2023-11-19 07:54:06,823 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([782] L693-4-->L693-1: Formula: (= |v_#race~y~0_25| 0) InVars {} OutVars{#race~y~0=|v_#race~y~0_25|} AuxVars[] AssignedVars[#race~y~0][156], [271#true, Black: 256#(= |#race~x~0| |thr1Thread1of1ForFork0_#t~nondet4#1|), 162#L693-1true, Black: 244#(= |#race~b1~0| |thr1Thread1of1ForFork0_#t~nondet3#1|), Black: 260#true, 102#L743-6true, 266#true, 239#true, thr2Thread1of1ForFork1InUse, Black: 250#(= |thr2Thread1of1ForFork1_#t~nondet11#1| |#race~b2~0|), Black: 268#(= |thr2Thread1of1ForFork1_#t~nondet12#1| |#race~x~0|), 142#L727-2true]) [2023-11-19 07:54:06,823 INFO L294 olderBase$Statistics]: this new event has 49 ancestors and is cut-off event [2023-11-19 07:54:06,823 INFO L297 olderBase$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-11-19 07:54:06,823 INFO L297 olderBase$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-11-19 07:54:06,823 INFO L297 olderBase$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-11-19 07:54:06,823 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([714] L727-2-->L727-5: Formula: (= v_~y~0_7 0) InVars {~y~0=v_~y~0_7} OutVars{~y~0=v_~y~0_7} AuxVars[] AssignedVars[][188], [4#L727-5true, Black: 256#(= |#race~x~0| |thr1Thread1of1ForFork0_#t~nondet4#1|), Black: 244#(= |#race~b1~0| |thr1Thread1of1ForFork0_#t~nondet3#1|), 137#L693-4true, Black: 260#true, 102#L743-6true, 266#true, 239#true, thr2Thread1of1ForFork1InUse, Black: 250#(= |thr2Thread1of1ForFork1_#t~nondet11#1| |#race~b2~0|), 273#(= ~y~0 0), Black: 268#(= |thr2Thread1of1ForFork1_#t~nondet12#1| |#race~x~0|)]) [2023-11-19 07:54:06,824 INFO L294 olderBase$Statistics]: this new event has 49 ancestors and is cut-off event [2023-11-19 07:54:06,824 INFO L297 olderBase$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-11-19 07:54:06,824 INFO L297 olderBase$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-11-19 07:54:06,824 INFO L297 olderBase$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-11-19 07:54:06,824 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([715] L727-2-->L727-4: Formula: (not (= v_~y~0_8 0)) InVars {~y~0=v_~y~0_8} OutVars{~y~0=v_~y~0_8} AuxVars[] AssignedVars[][189], [271#true, Black: 256#(= |#race~x~0| |thr1Thread1of1ForFork0_#t~nondet4#1|), Black: 244#(= |#race~b1~0| |thr1Thread1of1ForFork0_#t~nondet3#1|), 137#L693-4true, Black: 260#true, 102#L743-6true, 266#true, 151#L727-4true, 239#true, thr2Thread1of1ForFork1InUse, Black: 250#(= |thr2Thread1of1ForFork1_#t~nondet11#1| |#race~b2~0|), Black: 268#(= |thr2Thread1of1ForFork1_#t~nondet12#1| |#race~x~0|)]) [2023-11-19 07:54:06,824 INFO L294 olderBase$Statistics]: this new event has 49 ancestors and is cut-off event [2023-11-19 07:54:06,824 INFO L297 olderBase$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-11-19 07:54:06,825 INFO L297 olderBase$Statistics]: existing Event has 49 ancestors and is cut-off event [2023-11-19 07:54:06,825 INFO L297 olderBase$Statistics]: existing Event has 46 ancestors and is cut-off event [2023-11-19 07:54:07,313 INFO L124 PetriNetUnfolderBase]: 6167/15591 cut-off events. [2023-11-19 07:54:07,313 INFO L125 PetriNetUnfolderBase]: For 2290/2807 co-relation queries the response was YES. [2023-11-19 07:54:07,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30020 conditions, 15591 events. 6167/15591 cut-off events. For 2290/2807 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 152066 event pairs, 2107 based on Foata normal form. 240/13983 useless extension candidates. Maximal degree in co-relation 30011. Up to 5428 conditions per place. [2023-11-19 07:54:07,425 INFO L140 encePairwiseOnDemand]: 346/365 looper letters, 121 selfloop transitions, 11 changer transitions 0/236 dead transitions. [2023-11-19 07:54:07,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 236 transitions, 978 flow [2023-11-19 07:54:07,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:54:07,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 768 transitions. [2023-11-19 07:54:07,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7013698630136986 [2023-11-19 07:54:07,430 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 768 transitions. [2023-11-19 07:54:07,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 768 transitions. [2023-11-19 07:54:07,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:54:07,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 768 transitions. [2023-11-19 07:54:07,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 256.0) internal successors, (768), 3 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:07,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:07,438 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:07,438 INFO L175 Difference]: Start difference. First operand has 146 places, 176 transitions, 537 flow. Second operand 3 states and 768 transitions. [2023-11-19 07:54:07,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 236 transitions, 978 flow [2023-11-19 07:54:07,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 236 transitions, 971 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:54:07,452 INFO L231 Difference]: Finished difference. Result has 149 places, 186 transitions, 632 flow [2023-11-19 07:54:07,452 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=149, PETRI_TRANSITIONS=186} [2023-11-19 07:54:07,453 INFO L281 CegarLoopForPetriNet]: 142 programPoint places, 7 predicate places. [2023-11-19 07:54:07,453 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 186 transitions, 632 flow [2023-11-19 07:54:07,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:07,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:54:07,454 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:07,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:54:07,455 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-19 07:54:07,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:07,455 INFO L85 PathProgramCache]: Analyzing trace with hash 187183477, now seen corresponding path program 1 times [2023-11-19 07:54:07,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:07,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964524] [2023-11-19 07:54:07,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:07,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:54:07,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:07,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964524] [2023-11-19 07:54:07,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:07,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:07,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:07,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165567912] [2023-11-19 07:54:07,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:07,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:54:07,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:07,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:54:07,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:54:07,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 365 [2023-11-19 07:54:07,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 186 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:07,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:54:07,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 365 [2023-11-19 07:54:07,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:54:09,316 INFO L124 PetriNetUnfolderBase]: 5592/14856 cut-off events. [2023-11-19 07:54:09,316 INFO L125 PetriNetUnfolderBase]: For 3547/3986 co-relation queries the response was YES. [2023-11-19 07:54:09,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30057 conditions, 14856 events. 5592/14856 cut-off events. For 3547/3986 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 149205 event pairs, 3432 based on Foata normal form. 60/13317 useless extension candidates. Maximal degree in co-relation 30047. Up to 8042 conditions per place. [2023-11-19 07:54:09,439 INFO L140 encePairwiseOnDemand]: 356/365 looper letters, 92 selfloop transitions, 14 changer transitions 0/219 dead transitions. [2023-11-19 07:54:09,439 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 219 transitions, 948 flow [2023-11-19 07:54:09,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:54:09,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:54:09,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 737 transitions. [2023-11-19 07:54:09,444 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6730593607305936 [2023-11-19 07:54:09,445 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 737 transitions. [2023-11-19 07:54:09,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 737 transitions. [2023-11-19 07:54:09,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:54:09,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 737 transitions. [2023-11-19 07:54:09,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:09,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:09,454 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 365.0) internal successors, (1460), 4 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:09,454 INFO L175 Difference]: Start difference. First operand has 149 places, 186 transitions, 632 flow. Second operand 3 states and 737 transitions. [2023-11-19 07:54:09,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 219 transitions, 948 flow [2023-11-19 07:54:09,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 219 transitions, 926 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:54:09,471 INFO L231 Difference]: Finished difference. Result has 150 places, 198 transitions, 724 flow [2023-11-19 07:54:09,472 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=150, PETRI_TRANSITIONS=198} [2023-11-19 07:54:09,476 INFO L281 CegarLoopForPetriNet]: 142 programPoint places, 8 predicate places. [2023-11-19 07:54:09,477 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 198 transitions, 724 flow [2023-11-19 07:54:09,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:54:09,477 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:54:09,478 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:09,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:54:09,478 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err11ASSERT_VIOLATIONDATA_RACE, thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err12ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2023-11-19 07:54:09,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:09,479 INFO L85 PathProgramCache]: Analyzing trace with hash -44410381, now seen corresponding path program 1 times [2023-11-19 07:54:09,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:09,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786641958] [2023-11-19 07:54:09,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:09,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:54:09,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:54:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:54:09,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:54:09,557 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:54:09,558 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (63 of 64 remaining) [2023-11-19 07:54:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (62 of 64 remaining) [2023-11-19 07:54:09,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (61 of 64 remaining) [2023-11-19 07:54:09,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (60 of 64 remaining) [2023-11-19 07:54:09,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (59 of 64 remaining) [2023-11-19 07:54:09,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (58 of 64 remaining) [2023-11-19 07:54:09,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (57 of 64 remaining) [2023-11-19 07:54:09,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (56 of 64 remaining) [2023-11-19 07:54:09,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (55 of 64 remaining) [2023-11-19 07:54:09,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (54 of 64 remaining) [2023-11-19 07:54:09,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (53 of 64 remaining) [2023-11-19 07:54:09,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (52 of 64 remaining) [2023-11-19 07:54:09,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (51 of 64 remaining) [2023-11-19 07:54:09,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (50 of 64 remaining) [2023-11-19 07:54:09,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (49 of 64 remaining) [2023-11-19 07:54:09,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (48 of 64 remaining) [2023-11-19 07:54:09,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (47 of 64 remaining) [2023-11-19 07:54:09,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (46 of 64 remaining) [2023-11-19 07:54:09,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (45 of 64 remaining) [2023-11-19 07:54:09,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (44 of 64 remaining) [2023-11-19 07:54:09,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (43 of 64 remaining) [2023-11-19 07:54:09,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 64 remaining) [2023-11-19 07:54:09,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (41 of 64 remaining) [2023-11-19 07:54:09,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (40 of 64 remaining) [2023-11-19 07:54:09,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (39 of 64 remaining) [2023-11-19 07:54:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (38 of 64 remaining) [2023-11-19 07:54:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 64 remaining) [2023-11-19 07:54:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (36 of 64 remaining) [2023-11-19 07:54:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (35 of 64 remaining) [2023-11-19 07:54:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (34 of 64 remaining) [2023-11-19 07:54:09,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (33 of 64 remaining) [2023-11-19 07:54:09,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 64 remaining) [2023-11-19 07:54:09,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 64 remaining) [2023-11-19 07:54:09,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 64 remaining) [2023-11-19 07:54:09,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 64 remaining) [2023-11-19 07:54:09,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err11ASSERT_VIOLATIONDATA_RACE (28 of 64 remaining) [2023-11-19 07:54:09,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (27 of 64 remaining) [2023-11-19 07:54:09,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err12ASSERT_VIOLATIONDATA_RACE (26 of 64 remaining) [2023-11-19 07:54:09,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (25 of 64 remaining) [2023-11-19 07:54:09,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err13ASSERT_VIOLATIONDATA_RACE (24 of 64 remaining) [2023-11-19 07:54:09,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (23 of 64 remaining) [2023-11-19 07:54:09,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err14ASSERT_VIOLATIONDATA_RACE (22 of 64 remaining) [2023-11-19 07:54:09,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (21 of 64 remaining) [2023-11-19 07:54:09,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (20 of 64 remaining) [2023-11-19 07:54:09,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (19 of 64 remaining) [2023-11-19 07:54:09,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (18 of 64 remaining) [2023-11-19 07:54:09,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (17 of 64 remaining) [2023-11-19 07:54:09,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (16 of 64 remaining) [2023-11-19 07:54:09,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (15 of 64 remaining) [2023-11-19 07:54:09,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err10ASSERT_VIOLATIONDATA_RACE (14 of 64 remaining) [2023-11-19 07:54:09,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (13 of 64 remaining) [2023-11-19 07:54:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (12 of 64 remaining) [2023-11-19 07:54:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (11 of 64 remaining) [2023-11-19 07:54:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (10 of 64 remaining) [2023-11-19 07:54:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 64 remaining) [2023-11-19 07:54:09,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (8 of 64 remaining) [2023-11-19 07:54:09,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (7 of 64 remaining) [2023-11-19 07:54:09,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 64 remaining) [2023-11-19 07:54:09,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (5 of 64 remaining) [2023-11-19 07:54:09,580 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (4 of 64 remaining) [2023-11-19 07:54:09,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (3 of 64 remaining) [2023-11-19 07:54:09,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 64 remaining) [2023-11-19 07:54:09,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 64 remaining) [2023-11-19 07:54:09,581 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (0 of 64 remaining) [2023-11-19 07:54:09,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:54:09,582 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:09,592 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:54:09,592 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:54:09,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre19 could not be translated [2023-11-19 07:54:09,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre21 could not be translated [2023-11-19 07:54:09,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:54:09,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:54:09 BasicIcfg [2023-11-19 07:54:09,644 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:54:09,647 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:54:09,647 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:54:09,647 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:54:09,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:53" (3/4) ... [2023-11-19 07:54:09,650 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:54:09,652 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:54:09,652 INFO L158 Benchmark]: Toolchain (without parser) took 17744.67ms. Allocated memory was 165.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 135.7MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 507.2MB. Max. memory is 16.1GB. [2023-11-19 07:54:09,653 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory was 104.5MB in the beginning and 104.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:09,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.46ms. Allocated memory is still 165.7MB. Free memory was 135.5MB in the beginning and 117.1MB in the end (delta: 18.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-11-19 07:54:09,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.55ms. Allocated memory is still 165.7MB. Free memory was 117.1MB in the beginning and 114.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:54:09,654 INFO L158 Benchmark]: Boogie Preprocessor took 82.75ms. Allocated memory is still 165.7MB. Free memory was 114.2MB in the beginning and 112.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:09,655 INFO L158 Benchmark]: RCFGBuilder took 710.41ms. Allocated memory is still 165.7MB. Free memory was 112.1MB in the beginning and 119.6MB in the end (delta: -7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:54:09,655 INFO L158 Benchmark]: TraceAbstraction took 16195.06ms. Allocated memory was 165.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 118.4MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 492.2MB. Max. memory is 16.1GB. [2023-11-19 07:54:09,655 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 1.8GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:09,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory was 104.5MB in the beginning and 104.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.46ms. Allocated memory is still 165.7MB. Free memory was 135.5MB in the beginning and 117.1MB in the end (delta: 18.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.55ms. Allocated memory is still 165.7MB. Free memory was 117.1MB in the beginning and 114.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.75ms. Allocated memory is still 165.7MB. Free memory was 114.2MB in the beginning and 112.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 710.41ms. Allocated memory is still 165.7MB. Free memory was 112.1MB in the beginning and 119.6MB in the end (delta: -7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 16195.06ms. Allocated memory was 165.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 118.4MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 492.2MB. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 1.8GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.1s, 224 PlacesBefore, 142 PlacesAfterwards, 243 TransitionsBefore, 161 TransitionsAfterwards, 26600 CoEnabledTransitionPairs, 5 FixpointIterations, 17 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 0 ChoiceCompositions, 110 TotalNumberOfCompositions, 136381 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 46344, independent: 44920, independent conditional: 0, independent unconditional: 44920, dependent: 1424, dependent conditional: 0, dependent unconditional: 1424, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12264, independent: 12054, independent conditional: 0, independent unconditional: 12054, dependent: 210, dependent conditional: 0, dependent unconditional: 210, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 46344, independent: 32866, independent conditional: 0, independent unconditional: 32866, dependent: 1214, dependent conditional: 0, dependent unconditional: 1214, unknown: 12264, unknown conditional: 0, unknown unconditional: 12264] , Statistics on independence cache: Total cache size (in pairs): 3341, Positive cache size: 3193, Positive conditional cache size: 0, Positive unconditional cache size: 3193, Negative cache size: 148, Negative conditional cache size: 0, Negative unconditional cache size: 148, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 690]: Data race detected [2023-11-19 07:54:09,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre19 could not be translated [2023-11-19 07:54:09,677 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre21 could not be translated [2023-11-19 07:54:09,678 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:54:09,689 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre19 could not be translated [2023-11-19 07:54:09,690 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre21 could not be translated [2023-11-19 07:54:09,691 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated Data race detected The following path leads to a data race: [L684] 0 int x, y; [L685] 0 int b1, b2; [L686] 0 int X; [L740] 0 pthread_t t1, t2; [L741] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [X=0, b1=0, b2=0, t1={5:0}, t2={3:0}, x=0, y=0] [L688] COND TRUE 1 1 [L689] 1 b1 = 1 VAL [X=0, _={0:0}, _={0:0}, b1=1, b2=0, x=0, y=0] [L742] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [X=0, b1=1, b2=0, t1={5:0}, t2={3:0}, x=0, y=0] [L690] 1 x = 1 VAL [X=0, _={0:0}, _={0:0}, b1=1, b2=0, x=1, y=0] [L714] COND TRUE 2 1 [L715] 2 b2 = 1 [L716] 2 x = 2 VAL [X=0, _={0:0}, _={0:0}, b1=1, b2=1, x=2, y=0] [L690] 1 x = 1 VAL [X=0, _={0:0}, _={0:0}, b1=1, b2=1, x=2, y=0] Now there is a data race on ~x~0 between C: x = 2 [716] and C: x = 1 [690] - UnprovableResult [Line: 733]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 734]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 735]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 736]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 724]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 725]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 726]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 727]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 701]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 743]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 741]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 742]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 408 locations, 64 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: 15.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 490 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 251 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1055 IncrementalHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 88 mSDtfsCounter, 1055 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=724occurred in iteration=8, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:54:09,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce6e9f30-f14f-4356-a699-f68aee56c5ee/bin/uautomizer-verify-uCwYo4JHxu/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE