./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp1x3.wvr.c --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_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/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_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp1x3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/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_ce4851e1-17dd-473f-940e-b4ac47e07a83/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 52eeb5cce5645e9dacc261319eae3d665b5cc432ff3ddd2ef39502a44996e68d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:26,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:26,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 08:01:26,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:26,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:26,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:26,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:26,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:26,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:26,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:26,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:26,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:26,602 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:26,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:26,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:26,604 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:01:26,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:01:26,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:01:26,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:26,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:26,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:26,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:26,612 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 08:01:26,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:01:26,618 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:01:26,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:26,619 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:26,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:26,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:26,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:26,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:26,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:26,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:26,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:26,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:01:26,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:01:26,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:26,639 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:26,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:26,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:26,639 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:26,640 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_ce4851e1-17dd-473f-940e-b4ac47e07a83/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52eeb5cce5645e9dacc261319eae3d665b5cc432ff3ddd2ef39502a44996e68d [2023-11-19 08:01:26,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:27,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:27,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:27,022 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:27,022 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:27,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2023-11-19 08:01:30,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:30,517 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:30,517 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/sv-benchmarks/c/weaver/bench-exp1x3.wvr.c [2023-11-19 08:01:30,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/data/49681b02f/c22fc964f20846469fe3f5bd017ab0d7/FLAG693a5dc43 [2023-11-19 08:01:30,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/data/49681b02f/c22fc964f20846469fe3f5bd017ab0d7 [2023-11-19 08:01:30,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:30,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:30,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:30,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:30,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:30,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d31e133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30, skipping insertion in model container [2023-11-19 08:01:30,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,581 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:30,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:30,767 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:30,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:30,810 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:30,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30 WrapperNode [2023-11-19 08:01:30,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:30,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:30,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:30,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:30,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,853 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2023-11-19 08:01:30,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:30,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:30,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:30,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:30,865 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:30,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:30,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:30,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:30,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2023-11-19 08:01:30,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:30,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:30,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:30,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 08:01:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 08:01:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 08:01:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 08:01:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:01:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:01:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:01:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:01:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:01:30,976 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 08:01:31,076 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:31,078 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:31,393 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:31,405 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:31,405 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 08:01:31,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:31 BoogieIcfgContainer [2023-11-19 08:01:31,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:31,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:31,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:31,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:31,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:30" (1/3) ... [2023-11-19 08:01:31,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7f7918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:31, skipping insertion in model container [2023-11-19 08:01:31,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (2/3) ... [2023-11-19 08:01:31,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d7f7918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:31, skipping insertion in model container [2023-11-19 08:01:31,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:31" (3/3) ... [2023-11-19 08:01:31,427 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp1x3.wvr.c [2023-11-19 08:01:31,436 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 08:01:31,451 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:31,451 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-11-19 08:01:31,451 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:01:31,562 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 08:01:31,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 165 places, 165 transitions, 344 flow [2023-11-19 08:01:31,688 INFO L124 PetriNetUnfolderBase]: 7/163 cut-off events. [2023-11-19 08:01:31,688 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 08:01:31,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 163 events. 7/163 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 175 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-11-19 08:01:31,695 INFO L82 GeneralOperation]: Start removeDead. Operand has 165 places, 165 transitions, 344 flow [2023-11-19 08:01:31,702 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 142 transitions, 296 flow [2023-11-19 08:01:31,706 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:01:31,717 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 142 transitions, 296 flow [2023-11-19 08:01:31,720 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 142 transitions, 296 flow [2023-11-19 08:01:31,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 143 places, 142 transitions, 296 flow [2023-11-19 08:01:31,762 INFO L124 PetriNetUnfolderBase]: 6/142 cut-off events. [2023-11-19 08:01:31,763 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 08:01:31,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 142 events. 6/142 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 172 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 94. Up to 2 conditions per place. [2023-11-19 08:01:31,768 INFO L119 LiptonReduction]: Number of co-enabled transitions 2736 [2023-11-19 08:01:35,861 INFO L134 LiptonReduction]: Checked pairs total: 4266 [2023-11-19 08:01:35,862 INFO L136 LiptonReduction]: Total number of compositions: 167 [2023-11-19 08:01:35,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:35,887 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;@5205d05, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:35,887 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2023-11-19 08:01:35,889 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:01:35,889 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 08:01:35,889 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:01:35,890 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:35,890 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 08:01:35,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-19 08:01:35,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:35,897 INFO L85 PathProgramCache]: Analyzing trace with hash 596, now seen corresponding path program 1 times [2023-11-19 08:01:35,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:35,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481158954] [2023-11-19 08:01:35,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:35,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:36,023 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 08:01:36,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:36,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481158954] [2023-11-19 08:01:36,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481158954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:36,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:36,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 08:01:36,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084166306] [2023-11-19 08:01:36,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:36,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:01:36,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:36,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:01:36,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:01:36,076 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 332 [2023-11-19 08:01:36,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 38 transitions, 88 flow. Second operand has 2 states, 2 states have (on average 156.5) internal successors, (313), 2 states have internal predecessors, (313), 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 08:01:36,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:36,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 332 [2023-11-19 08:01:36,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:36,141 INFO L124 PetriNetUnfolderBase]: 59/112 cut-off events. [2023-11-19 08:01:36,142 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-19 08:01:36,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 112 events. 59/112 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 316 event pairs, 39 based on Foata normal form. 1/90 useless extension candidates. Maximal degree in co-relation 188. Up to 107 conditions per place. [2023-11-19 08:01:36,145 INFO L140 encePairwiseOnDemand]: 312/332 looper letters, 13 selfloop transitions, 0 changer transitions 1/18 dead transitions. [2023-11-19 08:01:36,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 18 transitions, 76 flow [2023-11-19 08:01:36,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:01:36,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 08:01:36,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 346 transitions. [2023-11-19 08:01:36,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5210843373493976 [2023-11-19 08:01:36,163 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 346 transitions. [2023-11-19 08:01:36,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 346 transitions. [2023-11-19 08:01:36,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:36,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 346 transitions. [2023-11-19 08:01:36,174 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 173.0) internal successors, (346), 2 states have internal predecessors, (346), 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 08:01:36,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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 08:01:36,181 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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 08:01:36,183 INFO L175 Difference]: Start difference. First operand has 41 places, 38 transitions, 88 flow. Second operand 2 states and 346 transitions. [2023-11-19 08:01:36,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 18 transitions, 76 flow [2023-11-19 08:01:36,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 18 transitions, 68 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 08:01:36,188 INFO L231 Difference]: Finished difference. Result has 20 places, 17 transitions, 37 flow [2023-11-19 08:01:36,191 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=37, PETRI_PLACES=20, PETRI_TRANSITIONS=17} [2023-11-19 08:01:36,195 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, -21 predicate places. [2023-11-19 08:01:36,195 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 17 transitions, 37 flow [2023-11-19 08:01:36,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 156.5) internal successors, (313), 2 states have internal predecessors, (313), 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 08:01:36,196 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:01:36,196 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 08:01:36,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:01:36,197 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2023-11-19 08:01:36,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:36,198 INFO L85 PathProgramCache]: Analyzing trace with hash 574015866, now seen corresponding path program 1 times [2023-11-19 08:01:36,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:36,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178226317] [2023-11-19 08:01:36,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:36,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:36,297 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 08:01:36,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:36,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178226317] [2023-11-19 08:01:36,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178226317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:36,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:36,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:01:36,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228283257] [2023-11-19 08:01:36,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:36,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:01:36,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:36,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:01:36,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:01:36,322 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 332 [2023-11-19 08:01:36,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 37 flow. Second operand has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 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 08:01:36,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:01:36,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 332 [2023-11-19 08:01:36,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:01:36,398 INFO L124 PetriNetUnfolderBase]: 65/116 cut-off events. [2023-11-19 08:01:36,404 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 08:01:36,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 116 events. 65/116 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 306 event pairs, 18 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 235. Up to 109 conditions per place. [2023-11-19 08:01:36,405 INFO L140 encePairwiseOnDemand]: 328/332 looper letters, 0 selfloop transitions, 0 changer transitions 20/20 dead transitions. [2023-11-19 08:01:36,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 20 transitions, 80 flow [2023-11-19 08:01:36,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:01:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:01:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 467 transitions. [2023-11-19 08:01:36,416 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46887550200803213 [2023-11-19 08:01:36,418 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 467 transitions. [2023-11-19 08:01:36,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 467 transitions. [2023-11-19 08:01:36,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:01:36,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 467 transitions. [2023-11-19 08:01:36,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 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 08:01:36,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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 08:01:36,429 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 332.0) internal successors, (1328), 4 states have internal predecessors, (1328), 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 08:01:36,430 INFO L175 Difference]: Start difference. First operand has 20 places, 17 transitions, 37 flow. Second operand 3 states and 467 transitions. [2023-11-19 08:01:36,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 20 transitions, 80 flow [2023-11-19 08:01:36,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 20 transitions, 80 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 08:01:36,435 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2023-11-19 08:01:36,435 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=33, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2023-11-19 08:01:36,436 INFO L281 CegarLoopForPetriNet]: 41 programPoint places, -22 predicate places. [2023-11-19 08:01:36,437 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2023-11-19 08:01:36,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 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 08:01:36,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 32 remaining) [2023-11-19 08:01:36,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2023-11-19 08:01:36,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2023-11-19 08:01:36,447 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2023-11-19 08:01:36,448 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2023-11-19 08:01:36,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2023-11-19 08:01:36,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2023-11-19 08:01:36,449 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2023-11-19 08:01:36,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2023-11-19 08:01:36,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2023-11-19 08:01:36,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2023-11-19 08:01:36,453 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining) [2023-11-19 08:01:36,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2023-11-19 08:01:36,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2023-11-19 08:01:36,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2023-11-19 08:01:36,455 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2023-11-19 08:01:36,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2023-11-19 08:01:36,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2023-11-19 08:01:36,457 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (13 of 32 remaining) [2023-11-19 08:01:36,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (12 of 32 remaining) [2023-11-19 08:01:36,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 32 remaining) [2023-11-19 08:01:36,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 32 remaining) [2023-11-19 08:01:36,458 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2023-11-19 08:01:36,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2023-11-19 08:01:36,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2023-11-19 08:01:36,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2023-11-19 08:01:36,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2023-11-19 08:01:36,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2023-11-19 08:01:36,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2023-11-19 08:01:36,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2023-11-19 08:01:36,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2023-11-19 08:01:36,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2023-11-19 08:01:36,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:01:36,462 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 08:01:36,472 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 08:01:36,472 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:01:36,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:01:36 BasicIcfg [2023-11-19 08:01:36,483 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:01:36,484 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:01:36,484 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:01:36,484 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:01:36,485 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:31" (3/4) ... [2023-11-19 08:01:36,486 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:01:36,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 08:01:36,491 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 08:01:36,500 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 08:01:36,500 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:01:36,501 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:01:36,501 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:01:36,617 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:01:36,617 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:01:36,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:01:36,620 INFO L158 Benchmark]: Toolchain (without parser) took 6070.07ms. Allocated memory is still 176.2MB. Free memory was 144.8MB in the beginning and 69.3MB in the end (delta: 75.5MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2023-11-19 08:01:36,620 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:01:36,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.00ms. Allocated memory is still 176.2MB. Free memory was 144.3MB in the beginning and 133.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:01:36,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.99ms. Allocated memory is still 176.2MB. Free memory was 133.2MB in the beginning and 131.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:36,621 INFO L158 Benchmark]: Boogie Preprocessor took 36.07ms. Allocated memory is still 176.2MB. Free memory was 131.7MB in the beginning and 130.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:01:36,622 INFO L158 Benchmark]: RCFGBuilder took 519.62ms. Allocated memory is still 176.2MB. Free memory was 130.2MB in the beginning and 113.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 08:01:36,622 INFO L158 Benchmark]: TraceAbstraction took 5069.46ms. Allocated memory is still 176.2MB. Free memory was 112.2MB in the beginning and 74.6MB in the end (delta: 37.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-11-19 08:01:36,622 INFO L158 Benchmark]: Witness Printer took 133.49ms. Allocated memory is still 176.2MB. Free memory was 73.5MB in the beginning and 69.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:01:36,625 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.00ms. Allocated memory is still 176.2MB. Free memory was 144.3MB in the beginning and 133.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.99ms. Allocated memory is still 176.2MB. Free memory was 133.2MB in the beginning and 131.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.07ms. Allocated memory is still 176.2MB. Free memory was 131.7MB in the beginning and 130.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 519.62ms. Allocated memory is still 176.2MB. Free memory was 130.2MB in the beginning and 113.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5069.46ms. Allocated memory is still 176.2MB. Free memory was 112.2MB in the beginning and 74.6MB in the end (delta: 37.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Witness Printer took 133.49ms. Allocated memory is still 176.2MB. Free memory was 73.5MB in the beginning and 69.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.1s, 143 PlacesBefore, 41 PlacesAfterwards, 142 TransitionsBefore, 38 TransitionsAfterwards, 2736 CoEnabledTransitionPairs, 7 FixpointIterations, 79 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 167 TotalNumberOfCompositions, 4266 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3261, independent: 3177, independent conditional: 0, independent unconditional: 3177, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1697, independent: 1674, independent conditional: 0, independent unconditional: 1674, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3261, independent: 1503, independent conditional: 0, independent unconditional: 1503, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 1697, unknown conditional: 0, unknown unconditional: 1697] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 207 locations, 32 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 9 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 08:01:36,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4851e1-17dd-473f-940e-b4ac47e07a83/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE