./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:15:07,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:15:07,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 21:15:07,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:15:07,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:15:07,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:15:07,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:15:07,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:15:07,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:15:07,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:15:07,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:15:07,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:15:07,480 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:15:07,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:15:07,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:15:07,482 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:15:07,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:15:07,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:15:07,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:15:07,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:15:07,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:15:07,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:15:07,485 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 21:15:07,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:15:07,486 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:15:07,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:15:07,487 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:15:07,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:15:07,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:15:07,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:15:07,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:15:07,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:15:07,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:15:07,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:15:07,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:15:07,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:15:07,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:15:07,492 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:15:07,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:15:07,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:15:07,494 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:15:07,494 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_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018a1168c08743b2a9b9283b6137e1dcc53bdf8ab8362348f4bbe02762305c3 [2023-11-06 21:15:07,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:15:07,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:15:07,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:15:07,939 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:15:07,940 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:15:07,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2023-11-06 21:15:11,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:15:11,363 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:15:11,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/sv-benchmarks/c/weaver/popl20-more-array-sum-alt2.wvr.c [2023-11-06 21:15:11,373 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/data/11ea2b0e3/5cc215a3ea0945f69bf0d2c94395bc39/FLAG933969991 [2023-11-06 21:15:11,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/data/11ea2b0e3/5cc215a3ea0945f69bf0d2c94395bc39 [2023-11-06 21:15:11,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:15:11,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:15:11,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:15:11,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:15:11,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:15:11,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c48a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11, skipping insertion in model container [2023-11-06 21:15:11,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:15:11,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:15:11,711 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:15:11,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:15:11,755 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:15:11,755 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:15:11,763 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:15:11,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11 WrapperNode [2023-11-06 21:15:11,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:15:11,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:15:11,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:15:11,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:15:11,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,822 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 296 [2023-11-06 21:15:11,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:15:11,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:15:11,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:15:11,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:15:11,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:15:11,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:15:11,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:15:11,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:15:11,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (1/1) ... [2023-11-06 21:15:11,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:15:11,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:15:11,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:15:11,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:15:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:15:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:15:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:15:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:15:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 21:15:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 21:15:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 21:15:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 21:15:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 21:15:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 21:15:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:15:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 21:15:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 21:15:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:15:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:15:11,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:15:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:15:11,972 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 21:15:12,116 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:15:12,119 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:15:12,739 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:15:13,061 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:15:13,062 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 21:15:13,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:15:13 BoogieIcfgContainer [2023-11-06 21:15:13,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:15:13,068 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:15:13,068 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:15:13,071 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:15:13,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:15:11" (1/3) ... [2023-11-06 21:15:13,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9a0a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:15:13, skipping insertion in model container [2023-11-06 21:15:13,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:15:11" (2/3) ... [2023-11-06 21:15:13,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d9a0a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:15:13, skipping insertion in model container [2023-11-06 21:15:13,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:15:13" (3/3) ... [2023-11-06 21:15:13,075 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt2.wvr.c [2023-11-06 21:15:13,084 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 21:15:13,096 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:15:13,096 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2023-11-06 21:15:13,096 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:15:13,186 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-06 21:15:13,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 243 places, 246 transitions, 513 flow [2023-11-06 21:15:13,327 INFO L124 PetriNetUnfolderBase]: 13/243 cut-off events. [2023-11-06 21:15:13,328 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 21:15:13,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 243 events. 13/243 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 255 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 168. Up to 2 conditions per place. [2023-11-06 21:15:13,336 INFO L82 GeneralOperation]: Start removeDead. Operand has 243 places, 246 transitions, 513 flow [2023-11-06 21:15:13,344 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 218 places, 220 transitions, 458 flow [2023-11-06 21:15:13,348 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 21:15:13,359 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 220 transitions, 458 flow [2023-11-06 21:15:13,362 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 220 transitions, 458 flow [2023-11-06 21:15:13,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 218 places, 220 transitions, 458 flow [2023-11-06 21:15:13,418 INFO L124 PetriNetUnfolderBase]: 12/220 cut-off events. [2023-11-06 21:15:13,418 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-06 21:15:13,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 220 events. 12/220 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 252 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 168. Up to 2 conditions per place. [2023-11-06 21:15:13,426 INFO L119 LiptonReduction]: Number of co-enabled transitions 4914 [2023-11-06 21:15:22,185 INFO L134 LiptonReduction]: Checked pairs total: 28844 [2023-11-06 21:15:22,185 INFO L136 LiptonReduction]: Total number of compositions: 212 [2023-11-06 21:15:22,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:15:22,209 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e08e100, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:15:22,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2023-11-06 21:15:22,211 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 21:15:22,212 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 21:15:22,212 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:15:22,212 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:22,213 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 21:15:22,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-06 21:15:22,218 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:22,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1144, now seen corresponding path program 1 times [2023-11-06 21:15:22,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:22,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081607268] [2023-11-06 21:15:22,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:22,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:22,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081607268] [2023-11-06 21:15:22,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081607268] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:22,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:22,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 21:15:22,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264362915] [2023-11-06 21:15:22,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:22,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:15:22,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:22,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:15:22,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:15:22,374 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 458 [2023-11-06 21:15:22,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 166 flow. Second operand has 2 states, 2 states have (on average 216.5) internal successors, (433), 2 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:22,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:15:22,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 458 [2023-11-06 21:15:22,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:15:22,663 INFO L124 PetriNetUnfolderBase]: 423/989 cut-off events. [2023-11-06 21:15:22,664 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2023-11-06 21:15:22,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1627 conditions, 989 events. 423/989 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 6187 event pairs, 234 based on Foata normal form. 188/968 useless extension candidates. Maximal degree in co-relation 1321. Up to 583 conditions per place. [2023-11-06 21:15:22,681 INFO L140 encePairwiseOnDemand]: 433/458 looper letters, 22 selfloop transitions, 0 changer transitions 1/49 dead transitions. [2023-11-06 21:15:22,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 49 transitions, 162 flow [2023-11-06 21:15:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:15:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 21:15:22,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 480 transitions. [2023-11-06 21:15:22,707 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5240174672489083 [2023-11-06 21:15:22,708 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 480 transitions. [2023-11-06 21:15:22,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 480 transitions. [2023-11-06 21:15:22,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:15:22,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 480 transitions. [2023-11-06 21:15:22,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 240.0) internal successors, (480), 2 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:22,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 458.0) internal successors, (1374), 3 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:22,729 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 458.0) internal successors, (1374), 3 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:22,732 INFO L175 Difference]: Start difference. First operand has 77 places, 74 transitions, 166 flow. Second operand 2 states and 480 transitions. [2023-11-06 21:15:22,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 49 transitions, 162 flow [2023-11-06 21:15:22,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 49 transitions, 150 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 21:15:22,740 INFO L231 Difference]: Finished difference. Result has 50 places, 48 transitions, 101 flow [2023-11-06 21:15:22,743 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=101, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2023-11-06 21:15:22,753 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -27 predicate places. [2023-11-06 21:15:22,753 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions, 101 flow [2023-11-06 21:15:22,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 216.5) internal successors, (433), 2 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:22,754 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:22,754 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 21:15:22,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:15:22,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-06 21:15:22,758 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:22,758 INFO L85 PathProgramCache]: Analyzing trace with hash -317707613, now seen corresponding path program 1 times [2023-11-06 21:15:22,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:22,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495895841] [2023-11-06 21:15:22,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:22,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:22,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:22,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:22,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495895841] [2023-11-06 21:15:22,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495895841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:22,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:22,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:15:22,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073879294] [2023-11-06 21:15:22,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:22,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:15:22,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:22,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:15:22,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:15:23,003 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 458 [2023-11-06 21:15:23,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:23,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:15:23,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 458 [2023-11-06 21:15:23,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:15:23,215 INFO L124 PetriNetUnfolderBase]: 579/1109 cut-off events. [2023-11-06 21:15:23,216 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-06 21:15:23,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1941 conditions, 1109 events. 579/1109 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 6131 event pairs, 364 based on Foata normal form. 0/923 useless extension candidates. Maximal degree in co-relation 1938. Up to 808 conditions per place. [2023-11-06 21:15:23,227 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 23 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2023-11-06 21:15:23,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 145 flow [2023-11-06 21:15:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:15:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 21:15:23,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2023-11-06 21:15:23,231 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4621542940320233 [2023-11-06 21:15:23,232 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 635 transitions. [2023-11-06 21:15:23,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 635 transitions. [2023-11-06 21:15:23,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:15:23,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 635 transitions. [2023-11-06 21:15:23,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:23,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:23,244 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:23,244 INFO L175 Difference]: Start difference. First operand has 50 places, 48 transitions, 101 flow. Second operand 3 states and 635 transitions. [2023-11-06 21:15:23,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 145 flow [2023-11-06 21:15:23,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 145 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 21:15:23,246 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 99 flow [2023-11-06 21:15:23,247 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2023-11-06 21:15:23,248 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -28 predicate places. [2023-11-06 21:15:23,248 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 99 flow [2023-11-06 21:15:23,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:23,249 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:23,249 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:23,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:15:23,250 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-06 21:15:23,250 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:23,250 INFO L85 PathProgramCache]: Analyzing trace with hash -162065889, now seen corresponding path program 1 times [2023-11-06 21:15:23,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:23,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079236411] [2023-11-06 21:15:23,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:23,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:23,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:23,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079236411] [2023-11-06 21:15:23,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079236411] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:23,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:23,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:15:23,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222990996] [2023-11-06 21:15:23,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:23,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:15:23,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:23,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:15:23,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:15:23,345 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 458 [2023-11-06 21:15:23,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:23,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:15:23,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 458 [2023-11-06 21:15:23,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:15:23,549 INFO L124 PetriNetUnfolderBase]: 754/1345 cut-off events. [2023-11-06 21:15:23,549 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-06 21:15:23,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2435 conditions, 1345 events. 754/1345 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6926 event pairs, 520 based on Foata normal form. 0/1046 useless extension candidates. Maximal degree in co-relation 2431. Up to 1058 conditions per place. [2023-11-06 21:15:23,560 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 24 selfloop transitions, 1 changer transitions 0/44 dead transitions. [2023-11-06 21:15:23,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 145 flow [2023-11-06 21:15:23,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:15:23,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 21:15:23,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2023-11-06 21:15:23,564 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.462882096069869 [2023-11-06 21:15:23,564 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 636 transitions. [2023-11-06 21:15:23,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 636 transitions. [2023-11-06 21:15:23,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:15:23,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 636 transitions. [2023-11-06 21:15:23,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:23,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:23,574 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:23,574 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 99 flow. Second operand 3 states and 636 transitions. [2023-11-06 21:15:23,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 145 flow [2023-11-06 21:15:23,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 144 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 21:15:23,577 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 96 flow [2023-11-06 21:15:23,578 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2023-11-06 21:15:23,579 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -29 predicate places. [2023-11-06 21:15:23,580 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 96 flow [2023-11-06 21:15:23,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:23,581 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:23,581 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:23,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:15:23,587 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-06 21:15:23,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:23,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1356551163, now seen corresponding path program 1 times [2023-11-06 21:15:23,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:23,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823147964] [2023-11-06 21:15:23,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:23,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:24,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:24,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:24,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823147964] [2023-11-06 21:15:24,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823147964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:24,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:24,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:15:24,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746280072] [2023-11-06 21:15:24,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:24,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:15:24,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:24,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:15:24,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:15:24,274 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 458 [2023-11-06 21:15:24,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 96 flow. Second operand has 6 states, 6 states have (on average 204.0) internal successors, (1224), 6 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:24,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:15:24,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 458 [2023-11-06 21:15:24,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:15:24,719 INFO L124 PetriNetUnfolderBase]: 1111/1590 cut-off events. [2023-11-06 21:15:24,719 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-06 21:15:24,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3074 conditions, 1590 events. 1111/1590 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 7457 event pairs, 90 based on Foata normal form. 0/1317 useless extension candidates. Maximal degree in co-relation 3070. Up to 536 conditions per place. [2023-11-06 21:15:24,733 INFO L140 encePairwiseOnDemand]: 453/458 looper letters, 58 selfloop transitions, 4 changer transitions 0/79 dead transitions. [2023-11-06 21:15:24,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 79 transitions, 290 flow [2023-11-06 21:15:24,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:15:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 21:15:24,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1275 transitions. [2023-11-06 21:15:24,738 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46397379912663755 [2023-11-06 21:15:24,739 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1275 transitions. [2023-11-06 21:15:24,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1275 transitions. [2023-11-06 21:15:24,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:15:24,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1275 transitions. [2023-11-06 21:15:24,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 212.5) internal successors, (1275), 6 states have internal predecessors, (1275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:24,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:24,783 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:24,783 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 96 flow. Second operand 6 states and 1275 transitions. [2023-11-06 21:15:24,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 79 transitions, 290 flow [2023-11-06 21:15:24,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 79 transitions, 289 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 21:15:24,787 INFO L231 Difference]: Finished difference. Result has 51 places, 43 transitions, 101 flow [2023-11-06 21:15:24,787 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=101, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2023-11-06 21:15:24,789 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -26 predicate places. [2023-11-06 21:15:24,789 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 101 flow [2023-11-06 21:15:24,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.0) internal successors, (1224), 6 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:24,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:24,791 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:24,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 21:15:24,791 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-06 21:15:24,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:24,793 INFO L85 PathProgramCache]: Analyzing trace with hash 50666115, now seen corresponding path program 1 times [2023-11-06 21:15:24,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:24,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435906733] [2023-11-06 21:15:24,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:24,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:25,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:25,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435906733] [2023-11-06 21:15:25,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435906733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:25,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:25,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:15:25,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983728822] [2023-11-06 21:15:25,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:25,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:15:25,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:25,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:15:25,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:15:25,471 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 458 [2023-11-06 21:15:25,473 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 101 flow. Second operand has 6 states, 6 states have (on average 204.5) internal successors, (1227), 6 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:25,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:15:25,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 458 [2023-11-06 21:15:25,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:15:25,807 INFO L124 PetriNetUnfolderBase]: 535/1002 cut-off events. [2023-11-06 21:15:25,807 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2023-11-06 21:15:25,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1958 conditions, 1002 events. 535/1002 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5533 event pairs, 211 based on Foata normal form. 0/848 useless extension candidates. Maximal degree in co-relation 1954. Up to 526 conditions per place. [2023-11-06 21:15:25,817 INFO L140 encePairwiseOnDemand]: 453/458 looper letters, 46 selfloop transitions, 4 changer transitions 0/66 dead transitions. [2023-11-06 21:15:25,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 66 transitions, 247 flow [2023-11-06 21:15:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:15:25,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 21:15:25,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1263 transitions. [2023-11-06 21:15:25,823 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4596069868995633 [2023-11-06 21:15:25,823 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1263 transitions. [2023-11-06 21:15:25,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1263 transitions. [2023-11-06 21:15:25,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:15:25,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1263 transitions. [2023-11-06 21:15:25,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.5) internal successors, (1263), 6 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:25,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:25,841 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:25,841 INFO L175 Difference]: Start difference. First operand has 51 places, 43 transitions, 101 flow. Second operand 6 states and 1263 transitions. [2023-11-06 21:15:25,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 66 transitions, 247 flow [2023-11-06 21:15:25,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 66 transitions, 240 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 21:15:25,848 INFO L231 Difference]: Finished difference. Result has 51 places, 42 transitions, 100 flow [2023-11-06 21:15:25,848 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=100, PETRI_PLACES=51, PETRI_TRANSITIONS=42} [2023-11-06 21:15:25,851 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -26 predicate places. [2023-11-06 21:15:25,851 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 100 flow [2023-11-06 21:15:25,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 204.5) internal successors, (1227), 6 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:25,852 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:25,852 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:25,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 21:15:25,853 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2023-11-06 21:15:25,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:25,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1941991466, now seen corresponding path program 1 times [2023-11-06 21:15:25,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:25,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000905031] [2023-11-06 21:15:25,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:25,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:26,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:26,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000905031] [2023-11-06 21:15:26,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000905031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:26,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:26,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 21:15:26,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171980731] [2023-11-06 21:15:26,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:26,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 21:15:26,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:26,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 21:15:26,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 21:15:26,510 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 458 [2023-11-06 21:15:26,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 100 flow. Second operand has 6 states, 6 states have (on average 205.0) internal successors, (1230), 6 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:26,512 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:15:26,512 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 458 [2023-11-06 21:15:26,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:15:26,764 INFO L124 PetriNetUnfolderBase]: 439/902 cut-off events. [2023-11-06 21:15:26,764 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-06 21:15:26,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1634 conditions, 902 events. 439/902 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5051 event pairs, 231 based on Foata normal form. 0/760 useless extension candidates. Maximal degree in co-relation 1630. Up to 574 conditions per place. [2023-11-06 21:15:26,768 INFO L140 encePairwiseOnDemand]: 453/458 looper letters, 0 selfloop transitions, 0 changer transitions 57/57 dead transitions. [2023-11-06 21:15:26,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 57 transitions, 214 flow [2023-11-06 21:15:26,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 21:15:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 21:15:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1255 transitions. [2023-11-06 21:15:26,774 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4566957787481805 [2023-11-06 21:15:26,774 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1255 transitions. [2023-11-06 21:15:26,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1255 transitions. [2023-11-06 21:15:26,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:15:26,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1255 transitions. [2023-11-06 21:15:26,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.16666666666666) internal successors, (1255), 6 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:26,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:26,787 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:26,787 INFO L175 Difference]: Start difference. First operand has 51 places, 42 transitions, 100 flow. Second operand 6 states and 1255 transitions. [2023-11-06 21:15:26,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 57 transitions, 214 flow [2023-11-06 21:15:26,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 57 transitions, 207 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 21:15:26,791 INFO L231 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2023-11-06 21:15:26,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2023-11-06 21:15:26,794 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -26 predicate places. [2023-11-06 21:15:26,794 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2023-11-06 21:15:26,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 205.0) internal successors, (1230), 6 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:26,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2023-11-06 21:15:26,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2023-11-06 21:15:26,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2023-11-06 21:15:26,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2023-11-06 21:15:26,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2023-11-06 21:15:26,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2023-11-06 21:15:26,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2023-11-06 21:15:26,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2023-11-06 21:15:26,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2023-11-06 21:15:26,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2023-11-06 21:15:26,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2023-11-06 21:15:26,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2023-11-06 21:15:26,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2023-11-06 21:15:26,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2023-11-06 21:15:26,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2023-11-06 21:15:26,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2023-11-06 21:15:26,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2023-11-06 21:15:26,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2023-11-06 21:15:26,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2023-11-06 21:15:26,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2023-11-06 21:15:26,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2023-11-06 21:15:26,803 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining) [2023-11-06 21:15:26,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining) [2023-11-06 21:15:26,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining) [2023-11-06 21:15:26,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining) [2023-11-06 21:15:26,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2023-11-06 21:15:26,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2023-11-06 21:15:26,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining) [2023-11-06 21:15:26,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining) [2023-11-06 21:15:26,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 48 remaining) [2023-11-06 21:15:26,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 48 remaining) [2023-11-06 21:15:26,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 48 remaining) [2023-11-06 21:15:26,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2023-11-06 21:15:26,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2023-11-06 21:15:26,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2023-11-06 21:15:26,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2023-11-06 21:15:26,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2023-11-06 21:15:26,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2023-11-06 21:15:26,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2023-11-06 21:15:26,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2023-11-06 21:15:26,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2023-11-06 21:15:26,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2023-11-06 21:15:26,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2023-11-06 21:15:26,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2023-11-06 21:15:26,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2023-11-06 21:15:26,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2023-11-06 21:15:26,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2023-11-06 21:15:26,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2023-11-06 21:15:26,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 21:15:26,819 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 21:15:26,825 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 21:15:26,826 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:15:26,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:15:26 BasicIcfg [2023-11-06 21:15:26,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:15:26,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:15:26,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:15:26,834 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:15:26,835 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:15:13" (3/4) ... [2023-11-06 21:15:26,836 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 21:15:26,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 21:15:26,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 21:15:26,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 21:15:26,849 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-06 21:15:26,849 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 21:15:26,850 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 21:15:26,850 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:15:26,940 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:15:26,941 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 21:15:26,941 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:15:26,941 INFO L158 Benchmark]: Toolchain (without parser) took 15546.63ms. Allocated memory was 176.2MB in the beginning and 302.0MB in the end (delta: 125.8MB). Free memory was 136.8MB in the beginning and 103.8MB in the end (delta: 33.0MB). Peak memory consumption was 158.3MB. Max. memory is 16.1GB. [2023-11-06 21:15:26,942 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:15:26,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.50ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 135.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:15:26,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.29ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 132.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:15:26,943 INFO L158 Benchmark]: Boogie Preprocessor took 59.15ms. Allocated memory is still 176.2MB. Free memory was 132.1MB in the beginning and 129.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:15:26,943 INFO L158 Benchmark]: RCFGBuilder took 1180.90ms. Allocated memory was 176.2MB in the beginning and 251.7MB in the end (delta: 75.5MB). Free memory was 129.4MB in the beginning and 207.8MB in the end (delta: -78.4MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2023-11-06 21:15:26,944 INFO L158 Benchmark]: TraceAbstraction took 13765.62ms. Allocated memory was 251.7MB in the beginning and 302.0MB in the end (delta: 50.3MB). Free memory was 206.7MB in the beginning and 108.0MB in the end (delta: 98.7MB). Peak memory consumption was 150.1MB. Max. memory is 16.1GB. [2023-11-06 21:15:26,944 INFO L158 Benchmark]: Witness Printer took 107.04ms. Allocated memory is still 302.0MB. Free memory was 108.0MB in the beginning and 103.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:15:26,947 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.50ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 135.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.29ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 132.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.15ms. Allocated memory is still 176.2MB. Free memory was 132.1MB in the beginning and 129.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1180.90ms. Allocated memory was 176.2MB in the beginning and 251.7MB in the end (delta: 75.5MB). Free memory was 129.4MB in the beginning and 207.8MB in the end (delta: -78.4MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13765.62ms. Allocated memory was 251.7MB in the beginning and 302.0MB in the end (delta: 50.3MB). Free memory was 206.7MB in the beginning and 108.0MB in the end (delta: 98.7MB). Peak memory consumption was 150.1MB. Max. memory is 16.1GB. * Witness Printer took 107.04ms. Allocated memory is still 302.0MB. Free memory was 108.0MB in the beginning and 103.8MB 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: 8.8s, 218 PlacesBefore, 77 PlacesAfterwards, 220 TransitionsBefore, 74 TransitionsAfterwards, 4914 CoEnabledTransitionPairs, 8 FixpointIterations, 136 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 8 ConcurrentYvCompositions, 5 ChoiceCompositions, 212 TotalNumberOfCompositions, 28844 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11190, independent: 10464, independent conditional: 0, independent unconditional: 10464, dependent: 726, dependent conditional: 0, dependent unconditional: 726, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2539, independent: 2463, independent conditional: 0, independent unconditional: 2463, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11190, independent: 8001, independent conditional: 0, independent unconditional: 8001, dependent: 650, dependent conditional: 0, dependent unconditional: 650, unknown: 2539, unknown conditional: 0, unknown unconditional: 2539] , Statistics on independence cache: Total cache size (in pairs): 551, Positive cache size: 499, Positive conditional cache size: 0, Positive unconditional cache size: 499, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 59]: 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: 59]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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 - 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 - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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 7 procedures, 291 locations, 48 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 382 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 175 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 881 IncrementalHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 175 mSolverCounterUnsat, 6 mSDtfsCounter, 881 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 1.5s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 319 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 21:15:26,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5be9a89a-0364-41a1-91cb-3fbe0cb514ab/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE