./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 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_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:31:24,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:31:24,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-23 22:31:24,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:31:24,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:31:24,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:31:24,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:31:24,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:31:24,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:31:24,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:31:24,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:31:24,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:31:24,306 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:31:24,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:31:24,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:31:24,308 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:31:24,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:31:24,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:31:24,309 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:31:24,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:31:24,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:31:24,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:31:24,311 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 22:31:24,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:31:24,312 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:31:24,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:31:24,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:31:24,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:31:24,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:31:24,314 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:31:24,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:31:24,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:31:24,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:31:24,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:31:24,316 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:31:24,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:31:24,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:31:24,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:31:24,317 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:31:24,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:31:24,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:31:24,318 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_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb [2023-11-23 22:31:24,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:31:24,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:31:24,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:31:24,680 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:31:24,682 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:31:24,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/pthread/bigshot_s2.i [2023-11-23 22:31:27,850 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:31:28,186 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:31:28,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/sv-benchmarks/c/pthread/bigshot_s2.i [2023-11-23 22:31:28,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/data/3ce0bf488/75ba1c3fbb8849c8a28d86985e88dafa/FLAGb1a7d109c [2023-11-23 22:31:28,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/data/3ce0bf488/75ba1c3fbb8849c8a28d86985e88dafa [2023-11-23 22:31:28,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:31:28,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:31:28,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:31:28,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:31:28,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:31:28,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:31:28" (1/1) ... [2023-11-23 22:31:28,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50572ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:28, skipping insertion in model container [2023-11-23 22:31:28,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:31:28" (1/1) ... [2023-11-23 22:31:28,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:31:29,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:31:29,029 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:31:29,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:31:29,206 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:31:29,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29 WrapperNode [2023-11-23 22:31:29,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:31:29,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:31:29,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:31:29,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:31:29,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (1/1) ... [2023-11-23 22:31:29,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (1/1) ... [2023-11-23 22:31:29,305 INFO L138 Inliner]: procedures = 323, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 91 [2023-11-23 22:31:29,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:31:29,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:31:29,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:31:29,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:31:29,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (1/1) ... [2023-11-23 22:31:29,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (1/1) ... [2023-11-23 22:31:29,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (1/1) ... [2023-11-23 22:31:29,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (1/1) ... [2023-11-23 22:31:29,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (1/1) ... [2023-11-23 22:31:29,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (1/1) ... [2023-11-23 22:31:29,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (1/1) ... [2023-11-23 22:31:29,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (1/1) ... [2023-11-23 22:31:29,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:31:29,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:31:29,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:31:29,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:31:29,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (1/1) ... [2023-11-23 22:31:29,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:31:29,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:31:29,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:31:29,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:31:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 22:31:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:31:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 22:31:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 22:31:29,459 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 22:31:29,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 22:31:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 22:31:29,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 22:31:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 22:31:29,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 22:31:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:31:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 22:31:29,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:31:29,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:31:29,464 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 22:31:29,665 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:31:29,668 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:31:29,954 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:31:29,965 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:31:29,971 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:31:29,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:31:29 BoogieIcfgContainer [2023-11-23 22:31:29,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:31:29,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:31:29,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:31:29,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:31:29,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:31:28" (1/3) ... [2023-11-23 22:31:29,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437b808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:31:29, skipping insertion in model container [2023-11-23 22:31:29,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:29" (2/3) ... [2023-11-23 22:31:29,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437b808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:31:29, skipping insertion in model container [2023-11-23 22:31:29,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:31:29" (3/3) ... [2023-11-23 22:31:29,982 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2023-11-23 22:31:29,991 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 22:31:30,002 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:31:30,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-23 22:31:30,005 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 22:31:30,079 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-23 22:31:30,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 119 transitions, 252 flow [2023-11-23 22:31:30,179 INFO L124 PetriNetUnfolderBase]: 5/117 cut-off events. [2023-11-23 22:31:30,179 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-23 22:31:30,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 117 events. 5/117 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 100 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2023-11-23 22:31:30,184 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 119 transitions, 252 flow [2023-11-23 22:31:30,189 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 93 transitions, 198 flow [2023-11-23 22:31:30,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:31:30,207 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a07d6b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:31:30,207 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-23 22:31:30,220 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-23 22:31:30,220 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2023-11-23 22:31:30,220 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-23 22:31:30,221 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:31:30,221 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] [2023-11-23 22:31:30,222 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 22:31:30,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:31:30,227 INFO L85 PathProgramCache]: Analyzing trace with hash -2114012463, now seen corresponding path program 1 times [2023-11-23 22:31:30,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:31:30,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472560754] [2023-11-23 22:31:30,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:31:30,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:31:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:31:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:31:30,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:31:30,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472560754] [2023-11-23 22:31:30,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472560754] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:31:30,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:31:30,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:31:30,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418177951] [2023-11-23 22:31:30,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:31:30,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:31:30,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:31:30,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:31:30,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:31:30,641 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 119 [2023-11-23 22:31:30,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 93 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:31:30,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:31:30,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 119 [2023-11-23 22:31:30,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:31:30,689 INFO L124 PetriNetUnfolderBase]: 2/91 cut-off events. [2023-11-23 22:31:30,689 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2023-11-23 22:31:30,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 91 events. 2/91 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 0 based on Foata normal form. 1/85 useless extension candidates. Maximal degree in co-relation 55. Up to 10 conditions per place. [2023-11-23 22:31:30,692 INFO L140 encePairwiseOnDemand]: 115/119 looper letters, 9 selfloop transitions, 2 changer transitions 0/91 dead transitions. [2023-11-23 22:31:30,692 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 91 transitions, 216 flow [2023-11-23 22:31:30,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:31:30,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:31:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 322 transitions. [2023-11-23 22:31:30,707 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9019607843137255 [2023-11-23 22:31:30,708 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 322 transitions. [2023-11-23 22:31:30,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 322 transitions. [2023-11-23 22:31:30,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:31:30,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 322 transitions. [2023-11-23 22:31:30,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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) [2023-11-23 22:31:30,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2023-11-23 22:31:30,724 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2023-11-23 22:31:30,726 INFO L175 Difference]: Start difference. First operand has 97 places, 93 transitions, 198 flow. Second operand 3 states and 322 transitions. [2023-11-23 22:31:30,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 91 transitions, 216 flow [2023-11-23 22:31:30,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 91 transitions, 208 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-23 22:31:30,735 INFO L231 Difference]: Finished difference. Result has 94 places, 91 transitions, 190 flow [2023-11-23 22:31:30,737 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=94, PETRI_TRANSITIONS=91} [2023-11-23 22:31:30,741 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -3 predicate places. [2023-11-23 22:31:30,741 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 91 transitions, 190 flow [2023-11-23 22:31:30,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:31:30,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:31:30,742 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, 1, 1] [2023-11-23 22:31:30,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:31:30,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 22:31:30,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:31:30,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1020599721, now seen corresponding path program 1 times [2023-11-23 22:31:30,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:31:30,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793470347] [2023-11-23 22:31:30,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:31:30,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:31:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:31:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:31:31,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:31:31,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793470347] [2023-11-23 22:31:31,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793470347] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:31:31,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:31:31,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:31:31,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697265387] [2023-11-23 22:31:31,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:31:31,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:31:31,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:31:31,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:31:31,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:31:31,849 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 119 [2023-11-23 22:31:31,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 91 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 102.33333333333333) internal successors, (614), 6 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) [2023-11-23 22:31:31,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:31:31,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 119 [2023-11-23 22:31:31,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:31:31,938 INFO L124 PetriNetUnfolderBase]: 2/90 cut-off events. [2023-11-23 22:31:31,939 INFO L125 PetriNetUnfolderBase]: For 2/7 co-relation queries the response was YES. [2023-11-23 22:31:31,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 90 events. 2/90 cut-off events. For 2/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 4/88 useless extension candidates. Maximal degree in co-relation 67. Up to 5 conditions per place. [2023-11-23 22:31:31,942 INFO L140 encePairwiseOnDemand]: 114/119 looper letters, 7 selfloop transitions, 4 changer transitions 0/90 dead transitions. [2023-11-23 22:31:31,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 90 transitions, 210 flow [2023-11-23 22:31:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:31:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:31:31,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 618 transitions. [2023-11-23 22:31:31,950 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.865546218487395 [2023-11-23 22:31:31,950 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 618 transitions. [2023-11-23 22:31:31,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 618 transitions. [2023-11-23 22:31:31,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:31:31,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 618 transitions. [2023-11-23 22:31:31,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 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) [2023-11-23 22:31:31,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2023-11-23 22:31:31,966 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2023-11-23 22:31:31,967 INFO L175 Difference]: Start difference. First operand has 94 places, 91 transitions, 190 flow. Second operand 6 states and 618 transitions. [2023-11-23 22:31:31,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 90 transitions, 210 flow [2023-11-23 22:31:31,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 90 transitions, 206 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-23 22:31:31,971 INFO L231 Difference]: Finished difference. Result has 96 places, 90 transitions, 192 flow [2023-11-23 22:31:31,971 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=192, PETRI_PLACES=96, PETRI_TRANSITIONS=90} [2023-11-23 22:31:31,972 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2023-11-23 22:31:31,972 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 90 transitions, 192 flow [2023-11-23 22:31:31,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 102.33333333333333) internal successors, (614), 6 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) [2023-11-23 22:31:31,973 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:31:31,974 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:31:31,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:31:31,974 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 22:31:31,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:31:31,975 INFO L85 PathProgramCache]: Analyzing trace with hash -866534287, now seen corresponding path program 1 times [2023-11-23 22:31:31,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:31:31,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545651308] [2023-11-23 22:31:31,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:31:31,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:31:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:31:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:31:32,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:31:32,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545651308] [2023-11-23 22:31:32,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545651308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:31:32,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:31:32,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:31:32,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416378161] [2023-11-23 22:31:32,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:31:32,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:31:32,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:31:32,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:31:32,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:31:32,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 119 [2023-11-23 22:31:32,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 90 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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) [2023-11-23 22:31:32,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:31:32,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 119 [2023-11-23 22:31:32,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:31:32,144 INFO L124 PetriNetUnfolderBase]: 2/87 cut-off events. [2023-11-23 22:31:32,144 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2023-11-23 22:31:32,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 87 events. 2/87 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 1/85 useless extension candidates. Maximal degree in co-relation 67. Up to 7 conditions per place. [2023-11-23 22:31:32,145 INFO L140 encePairwiseOnDemand]: 115/119 looper letters, 10 selfloop transitions, 1 changer transitions 0/87 dead transitions. [2023-11-23 22:31:32,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 87 transitions, 208 flow [2023-11-23 22:31:32,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:31:32,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:31:32,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2023-11-23 22:31:32,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8879551820728291 [2023-11-23 22:31:32,148 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 317 transitions. [2023-11-23 22:31:32,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 317 transitions. [2023-11-23 22:31:32,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:31:32,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 317 transitions. [2023-11-23 22:31:32,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2023-11-23 22:31:32,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2023-11-23 22:31:32,153 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2023-11-23 22:31:32,153 INFO L175 Difference]: Start difference. First operand has 96 places, 90 transitions, 192 flow. Second operand 3 states and 317 transitions. [2023-11-23 22:31:32,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 87 transitions, 208 flow [2023-11-23 22:31:32,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 87 transitions, 201 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-23 22:31:32,157 INFO L231 Difference]: Finished difference. Result has 91 places, 87 transitions, 181 flow [2023-11-23 22:31:32,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=181, PETRI_PLACES=91, PETRI_TRANSITIONS=87} [2023-11-23 22:31:32,159 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -6 predicate places. [2023-11-23 22:31:32,159 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 87 transitions, 181 flow [2023-11-23 22:31:32,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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) [2023-11-23 22:31:32,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:31:32,160 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, 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] [2023-11-23 22:31:32,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 22:31:32,161 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 22:31:32,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:31:32,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1825774710, now seen corresponding path program 1 times [2023-11-23 22:31:32,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:31:32,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688828185] [2023-11-23 22:31:32,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:31:32,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:31:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:31:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:31:32,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:31:32,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688828185] [2023-11-23 22:31:32,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688828185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:31:32,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:31:32,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:31:32,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259108507] [2023-11-23 22:31:32,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:31:32,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 22:31:32,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:31:32,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 22:31:32,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:31:32,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 119 [2023-11-23 22:31:32,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 87 transitions, 181 flow. Second operand has 6 states, 6 states have (on average 102.66666666666667) internal successors, (616), 6 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) [2023-11-23 22:31:32,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:31:32,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 119 [2023-11-23 22:31:32,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:31:33,025 INFO L124 PetriNetUnfolderBase]: 2/86 cut-off events. [2023-11-23 22:31:33,025 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-23 22:31:33,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 86 events. 2/86 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 60 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 65. Up to 6 conditions per place. [2023-11-23 22:31:33,026 INFO L140 encePairwiseOnDemand]: 114/119 looper letters, 7 selfloop transitions, 4 changer transitions 0/86 dead transitions. [2023-11-23 22:31:33,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 86 transitions, 201 flow [2023-11-23 22:31:33,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:31:33,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-23 22:31:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 618 transitions. [2023-11-23 22:31:33,029 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.865546218487395 [2023-11-23 22:31:33,029 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 618 transitions. [2023-11-23 22:31:33,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 618 transitions. [2023-11-23 22:31:33,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:31:33,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 618 transitions. [2023-11-23 22:31:33,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.0) internal successors, (618), 6 states have internal predecessors, (618), 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) [2023-11-23 22:31:33,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2023-11-23 22:31:33,036 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 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) [2023-11-23 22:31:33,036 INFO L175 Difference]: Start difference. First operand has 91 places, 87 transitions, 181 flow. Second operand 6 states and 618 transitions. [2023-11-23 22:31:33,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 86 transitions, 201 flow [2023-11-23 22:31:33,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 86 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-23 22:31:33,040 INFO L231 Difference]: Finished difference. Result has 94 places, 86 transitions, 186 flow [2023-11-23 22:31:33,040 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=186, PETRI_PLACES=94, PETRI_TRANSITIONS=86} [2023-11-23 22:31:33,042 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -3 predicate places. [2023-11-23 22:31:33,042 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 86 transitions, 186 flow [2023-11-23 22:31:33,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 102.66666666666667) internal successors, (616), 6 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) [2023-11-23 22:31:33,043 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:31:33,043 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:31:33,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 22:31:33,044 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 22:31:33,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:31:33,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1964994156, now seen corresponding path program 1 times [2023-11-23 22:31:33,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:31:33,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645509185] [2023-11-23 22:31:33,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:31:33,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:31:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:31:33,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:31:33,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:31:33,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645509185] [2023-11-23 22:31:33,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645509185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:31:33,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:31:33,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:31:33,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135730726] [2023-11-23 22:31:33,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:31:33,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:31:33,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:31:33,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:31:33,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:31:33,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 119 [2023-11-23 22:31:33,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 86 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 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) [2023-11-23 22:31:33,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:31:33,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 119 [2023-11-23 22:31:33,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:31:33,259 INFO L124 PetriNetUnfolderBase]: 1/85 cut-off events. [2023-11-23 22:31:33,259 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-23 22:31:33,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 85 events. 1/85 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 0 based on Foata normal form. 1/85 useless extension candidates. Maximal degree in co-relation 84. Up to 4 conditions per place. [2023-11-23 22:31:33,260 INFO L140 encePairwiseOnDemand]: 115/119 looper letters, 5 selfloop transitions, 3 changer transitions 0/85 dead transitions. [2023-11-23 22:31:33,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 85 transitions, 200 flow [2023-11-23 22:31:33,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:31:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-23 22:31:33,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 539 transitions. [2023-11-23 22:31:33,270 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9058823529411765 [2023-11-23 22:31:33,271 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 539 transitions. [2023-11-23 22:31:33,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 539 transitions. [2023-11-23 22:31:33,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:31:33,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 539 transitions. [2023-11-23 22:31:33,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 107.8) internal successors, (539), 5 states have internal predecessors, (539), 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) [2023-11-23 22:31:33,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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) [2023-11-23 22:31:33,277 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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) [2023-11-23 22:31:33,278 INFO L175 Difference]: Start difference. First operand has 94 places, 86 transitions, 186 flow. Second operand 5 states and 539 transitions. [2023-11-23 22:31:33,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 85 transitions, 200 flow [2023-11-23 22:31:33,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 85 transitions, 193 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-23 22:31:33,281 INFO L231 Difference]: Finished difference. Result has 94 places, 85 transitions, 183 flow [2023-11-23 22:31:33,282 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=183, PETRI_PLACES=94, PETRI_TRANSITIONS=85} [2023-11-23 22:31:33,286 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -3 predicate places. [2023-11-23 22:31:33,286 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 85 transitions, 183 flow [2023-11-23 22:31:33,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.25) internal successors, (433), 4 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) [2023-11-23 22:31:33,287 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-23 22:31:33,288 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:31:33,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 22:31:33,288 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2023-11-23 22:31:33,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:31:33,292 INFO L85 PathProgramCache]: Analyzing trace with hash -40764283, now seen corresponding path program 1 times [2023-11-23 22:31:33,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:31:33,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384937129] [2023-11-23 22:31:33,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:31:33,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:31:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:31:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:31:33,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:31:33,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384937129] [2023-11-23 22:31:33,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384937129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:31:33,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:31:33,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:31:33,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115233203] [2023-11-23 22:31:33,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:31:33,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:31:33,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:31:33,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:31:33,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:31:33,539 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 119 [2023-11-23 22:31:33,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 85 transitions, 183 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2023-11-23 22:31:33,540 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-23 22:31:33,540 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 119 [2023-11-23 22:31:33,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-23 22:31:33,557 INFO L124 PetriNetUnfolderBase]: 1/84 cut-off events. [2023-11-23 22:31:33,557 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-23 22:31:33,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 84 events. 1/84 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 34 event pairs, 0 based on Foata normal form. 1/84 useless extension candidates. Maximal degree in co-relation 64. Up to 7 conditions per place. [2023-11-23 22:31:33,558 INFO L140 encePairwiseOnDemand]: 117/119 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2023-11-23 22:31:33,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 84 transitions, 195 flow [2023-11-23 22:31:33,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:31:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-23 22:31:33,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2023-11-23 22:31:33,560 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9131652661064426 [2023-11-23 22:31:33,561 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 326 transitions. [2023-11-23 22:31:33,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 326 transitions. [2023-11-23 22:31:33,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:31:33,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 326 transitions. [2023-11-23 22:31:33,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2023-11-23 22:31:33,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2023-11-23 22:31:33,564 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 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) [2023-11-23 22:31:33,564 INFO L175 Difference]: Start difference. First operand has 94 places, 85 transitions, 183 flow. Second operand 3 states and 326 transitions. [2023-11-23 22:31:33,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 84 transitions, 195 flow [2023-11-23 22:31:33,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 84 transitions, 190 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-23 22:31:33,567 INFO L231 Difference]: Finished difference. Result has 92 places, 0 transitions, 0 flow [2023-11-23 22:31:33,567 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=92, PETRI_TRANSITIONS=0} [2023-11-23 22:31:33,570 INFO L281 CegarLoopForPetriNet]: 97 programPoint places, -5 predicate places. [2023-11-23 22:31:33,570 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 0 transitions, 0 flow [2023-11-23 22:31:33,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2023-11-23 22:31:33,573 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2023-11-23 22:31:33,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2023-11-23 22:31:33,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2023-11-23 22:31:33,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2023-11-23 22:31:33,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2023-11-23 22:31:33,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2023-11-23 22:31:33,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2023-11-23 22:31:33,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2023-11-23 22:31:33,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 12 remaining) [2023-11-23 22:31:33,582 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2023-11-23 22:31:33,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2023-11-23 22:31:33,583 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2023-11-23 22:31:33,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 22:31:33,584 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-23 22:31:33,589 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 22:31:33,589 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:31:33,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:31:33 BasicIcfg [2023-11-23 22:31:33,596 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:31:33,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:31:33,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:31:33,597 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:31:33,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:31:29" (3/4) ... [2023-11-23 22:31:33,600 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 22:31:33,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-23 22:31:33,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-23 22:31:33,611 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-23 22:31:33,611 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 22:31:33,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 22:31:33,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 22:31:33,612 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 22:31:33,709 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 22:31:33,710 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 22:31:33,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:31:33,711 INFO L158 Benchmark]: Toolchain (without parser) took 5471.17ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 100.0MB in the beginning and 132.6MB in the end (delta: -32.6MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2023-11-23 22:31:33,711 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:31:33,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 965.81ms. Allocated memory is still 148.9MB. Free memory was 100.0MB in the beginning and 67.3MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-23 22:31:33,712 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.20ms. Allocated memory is still 148.9MB. Free memory was 67.3MB in the beginning and 64.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:31:33,712 INFO L158 Benchmark]: Boogie Preprocessor took 68.71ms. Allocated memory is still 148.9MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:31:33,713 INFO L158 Benchmark]: RCFGBuilder took 596.99ms. Allocated memory is still 148.9MB. Free memory was 62.5MB in the beginning and 113.6MB in the end (delta: -51.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2023-11-23 22:31:33,713 INFO L158 Benchmark]: TraceAbstraction took 3621.09ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 112.7MB in the beginning and 136.8MB in the end (delta: -24.1MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-23 22:31:33,713 INFO L158 Benchmark]: Witness Printer took 113.27ms. Allocated memory is still 180.4MB. Free memory was 136.8MB in the beginning and 132.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:31:33,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 965.81ms. Allocated memory is still 148.9MB. Free memory was 100.0MB in the beginning and 67.3MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.20ms. Allocated memory is still 148.9MB. Free memory was 67.3MB in the beginning and 64.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.71ms. Allocated memory is still 148.9MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 596.99ms. Allocated memory is still 148.9MB. Free memory was 62.5MB in the beginning and 113.6MB in the end (delta: -51.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3621.09ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 112.7MB in the beginning and 136.8MB in the end (delta: -24.1MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Witness Printer took 113.27ms. Allocated memory is still 180.4MB. Free memory was 136.8MB in the beginning and 132.6MB 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: - PositiveResult [Line: 1111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1126]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 153 locations, 12 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: 3.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 245 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 369 IncrementalHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 67 mSDtfsCounter, 369 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred 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, 1.9s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 589 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 22:31:33,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_589ceaf1-5807-4523-b96d-e8b44e902a5f/bin/uautomizer-verify-zZY32mL2XJ/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