./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/singleton.i --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_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/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_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/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_446bc02f-8339-4475-9015-2324fd0bcb15/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 ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:53:58,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:53:59,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:53:59,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:53:59,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:53:59,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:53:59,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:53:59,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:53:59,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:53:59,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:53:59,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:53:59,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:53:59,142 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:53:59,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:53:59,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:53:59,144 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:53:59,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:53:59,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:53:59,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:53:59,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:53:59,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:53:59,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:53:59,148 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:53:59,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:53:59,149 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:53:59,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:53:59,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:53:59,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:53:59,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:53:59,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:53:59,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:53:59,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:53:59,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:53:59,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:53:59,154 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:53:59,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:53:59,154 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:53:59,154 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:53:59,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:53:59,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:53:59,181 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:53:59,182 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_446bc02f-8339-4475-9015-2324fd0bcb15/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-06 22:53:59,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:53:59,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:53:59,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:53:59,520 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:53:59,520 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:53:59,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread/singleton.i [2023-11-06 22:54:02,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:54:03,163 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:54:03,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/sv-benchmarks/c/pthread/singleton.i [2023-11-06 22:54:03,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/data/e1d978aab/5169b818faa14284ac6f7f0705a90005/FLAG296d428b7 [2023-11-06 22:54:03,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/data/e1d978aab/5169b818faa14284ac6f7f0705a90005 [2023-11-06 22:54:03,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:54:03,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:54:03,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:03,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:54:03,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:54:03,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716b1985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:03, skipping insertion in model container [2023-11-06 22:54:03,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:03" (1/1) ... [2023-11-06 22:54:03,312 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:54:03,525 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:54:03,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:03,991 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:54:04,021 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:54:04,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:04,159 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:54:04,160 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:54:04,160 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:54:04,175 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:54:04,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04 WrapperNode [2023-11-06 22:54:04,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:04,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:04,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:54:04,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:54:04,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (1/1) ... [2023-11-06 22:54:04,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (1/1) ... [2023-11-06 22:54:04,240 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-11-06 22:54:04,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:04,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:54:04,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:54:04,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:54:04,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (1/1) ... [2023-11-06 22:54:04,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (1/1) ... [2023-11-06 22:54:04,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (1/1) ... [2023-11-06 22:54:04,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (1/1) ... [2023-11-06 22:54:04,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (1/1) ... [2023-11-06 22:54:04,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (1/1) ... [2023-11-06 22:54:04,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (1/1) ... [2023-11-06 22:54:04,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (1/1) ... [2023-11-06 22:54:04,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:54:04,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:54:04,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:54:04,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:54:04,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (1/1) ... [2023-11-06 22:54:04,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:54:04,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:04,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:04,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:54:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:54:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:54:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:54:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:54:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:54:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-06 22:54:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-06 22:54:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:54:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:54:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:54:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:54:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 22:54:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 22:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:54:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:54:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:54:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:54:04,405 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 22:54:04,649 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:54:04,651 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:54:05,097 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:05,143 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:05,143 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:54:05,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:05 BoogieIcfgContainer [2023-11-06 22:54:05,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:05,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:54:05,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:54:05,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:54:05,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:54:03" (1/3) ... [2023-11-06 22:54:05,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66439de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:05, skipping insertion in model container [2023-11-06 22:54:05,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:04" (2/3) ... [2023-11-06 22:54:05,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66439de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:54:05, skipping insertion in model container [2023-11-06 22:54:05,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:05" (3/3) ... [2023-11-06 22:54:05,160 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i [2023-11-06 22:54:05,174 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:54:05,184 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:54:05,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-11-06 22:54:05,184 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:54:05,377 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2023-11-06 22:54:05,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 282 places, 273 transitions, 643 flow [2023-11-06 22:54:05,512 INFO L124 PetriNetUnfolderBase]: 7/186 cut-off events. [2023-11-06 22:54:05,512 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-06 22:54:05,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 186 events. 7/186 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 133 event pairs, 0 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 162. Up to 3 conditions per place. [2023-11-06 22:54:05,523 INFO L82 GeneralOperation]: Start removeDead. Operand has 282 places, 273 transitions, 643 flow [2023-11-06 22:54:05,535 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 178 places, 164 transitions, 379 flow [2023-11-06 22:54:05,539 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:54:05,562 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 164 transitions, 379 flow [2023-11-06 22:54:05,566 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 164 transitions, 379 flow [2023-11-06 22:54:05,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 178 places, 164 transitions, 379 flow [2023-11-06 22:54:05,653 INFO L124 PetriNetUnfolderBase]: 5/164 cut-off events. [2023-11-06 22:54:05,653 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-06 22:54:05,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194 conditions, 164 events. 5/164 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 112 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 162. Up to 3 conditions per place. [2023-11-06 22:54:05,662 INFO L119 LiptonReduction]: Number of co-enabled transitions 4608 [2023-11-06 22:54:09,584 INFO L134 LiptonReduction]: Checked pairs total: 20174 [2023-11-06 22:54:09,585 INFO L136 LiptonReduction]: Total number of compositions: 90 [2023-11-06 22:54:09,608 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:54:09,622 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;@7a4dc3e4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:54:09,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2023-11-06 22:54:09,627 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:54:09,628 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2023-11-06 22:54:09,628 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:54:09,628 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:09,629 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:54:09,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:09,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:09,637 INFO L85 PathProgramCache]: Analyzing trace with hash 634850494, now seen corresponding path program 1 times [2023-11-06 22:54:09,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:09,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61706047] [2023-11-06 22:54:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:09,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:09,973 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 22:54:09,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:09,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61706047] [2023-11-06 22:54:09,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61706047] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:09,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:09,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:54:09,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908676271] [2023-11-06 22:54:09,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:09,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:54:09,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:10,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:54:10,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:54:10,029 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 365 [2023-11-06 22:54:10,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 86 transitions, 223 flow. Second operand has 2 states, 2 states have (on average 231.5) internal successors, (463), 2 states have internal predecessors, (463), 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 22:54:10,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:10,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 365 [2023-11-06 22:54:10,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:10,331 INFO L124 PetriNetUnfolderBase]: 317/939 cut-off events. [2023-11-06 22:54:10,332 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2023-11-06 22:54:10,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1565 conditions, 939 events. 317/939 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4658 event pairs, 285 based on Foata normal form. 1/842 useless extension candidates. Maximal degree in co-relation 1548. Up to 488 conditions per place. [2023-11-06 22:54:10,349 INFO L140 encePairwiseOnDemand]: 354/365 looper letters, 31 selfloop transitions, 0 changer transitions 1/75 dead transitions. [2023-11-06 22:54:10,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 75 transitions, 265 flow [2023-11-06 22:54:10,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:54:10,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:54:10,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 501 transitions. [2023-11-06 22:54:10,372 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6863013698630137 [2023-11-06 22:54:10,373 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 501 transitions. [2023-11-06 22:54:10,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 501 transitions. [2023-11-06 22:54:10,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:10,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 501 transitions. [2023-11-06 22:54:10,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 250.5) internal successors, (501), 2 states have internal predecessors, (501), 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 22:54:10,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 365.0) internal successors, (1095), 3 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:10,396 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 365.0) internal successors, (1095), 3 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:10,398 INFO L175 Difference]: Start difference. First operand has 100 places, 86 transitions, 223 flow. Second operand 2 states and 501 transitions. [2023-11-06 22:54:10,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 75 transitions, 265 flow [2023-11-06 22:54:10,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 75 transitions, 231 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-11-06 22:54:10,409 INFO L231 Difference]: Finished difference. Result has 78 places, 74 transitions, 164 flow [2023-11-06 22:54:10,411 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=164, PETRI_PLACES=78, PETRI_TRANSITIONS=74} [2023-11-06 22:54:10,416 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, -22 predicate places. [2023-11-06 22:54:10,416 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 74 transitions, 164 flow [2023-11-06 22:54:10,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 231.5) internal successors, (463), 2 states have internal predecessors, (463), 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 22:54:10,417 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:10,417 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:10,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:54:10,418 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:10,419 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:10,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1040537196, now seen corresponding path program 1 times [2023-11-06 22:54:10,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:10,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667706547] [2023-11-06 22:54:10,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:10,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:10,894 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 22:54:10,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:10,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667706547] [2023-11-06 22:54:10,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667706547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:10,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:10,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:10,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697808767] [2023-11-06 22:54:10,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:10,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:10,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:10,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:10,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:54:11,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 365 [2023-11-06 22:54:11,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 74 transitions, 164 flow. Second operand has 6 states, 6 states have (on average 220.33333333333334) internal successors, (1322), 6 states have internal predecessors, (1322), 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 22:54:11,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:11,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 365 [2023-11-06 22:54:11,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:12,803 INFO L124 PetriNetUnfolderBase]: 2227/4882 cut-off events. [2023-11-06 22:54:12,803 INFO L125 PetriNetUnfolderBase]: For 202/202 co-relation queries the response was YES. [2023-11-06 22:54:12,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8288 conditions, 4882 events. 2227/4882 cut-off events. For 202/202 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 33775 event pairs, 890 based on Foata normal form. 0/4359 useless extension candidates. Maximal degree in co-relation 8285. Up to 2312 conditions per place. [2023-11-06 22:54:12,841 INFO L140 encePairwiseOnDemand]: 355/365 looper letters, 120 selfloop transitions, 21 changer transitions 12/190 dead transitions. [2023-11-06 22:54:12,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 190 transitions, 762 flow [2023-11-06 22:54:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:12,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:54:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1468 transitions. [2023-11-06 22:54:12,847 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6703196347031963 [2023-11-06 22:54:12,847 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1468 transitions. [2023-11-06 22:54:12,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1468 transitions. [2023-11-06 22:54:12,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:12,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1468 transitions. [2023-11-06 22:54:12,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 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 22:54:12,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:12,862 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:12,862 INFO L175 Difference]: Start difference. First operand has 78 places, 74 transitions, 164 flow. Second operand 6 states and 1468 transitions. [2023-11-06 22:54:12,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 190 transitions, 762 flow [2023-11-06 22:54:12,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 190 transitions, 762 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:54:12,868 INFO L231 Difference]: Finished difference. Result has 87 places, 94 transitions, 306 flow [2023-11-06 22:54:12,869 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=306, PETRI_PLACES=87, PETRI_TRANSITIONS=94} [2023-11-06 22:54:12,870 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, -13 predicate places. [2023-11-06 22:54:12,870 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 94 transitions, 306 flow [2023-11-06 22:54:12,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 220.33333333333334) internal successors, (1322), 6 states have internal predecessors, (1322), 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 22:54:12,872 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:12,872 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:12,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:54:12,872 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread0Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:12,873 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:12,873 INFO L85 PathProgramCache]: Analyzing trace with hash 374939323, now seen corresponding path program 1 times [2023-11-06 22:54:12,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:12,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156788154] [2023-11-06 22:54:12,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:12,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:13,268 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 22:54:13,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:13,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156788154] [2023-11-06 22:54:13,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156788154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:13,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:13,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:13,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216143345] [2023-11-06 22:54:13,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:13,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:13,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:13,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:13,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:54:13,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 365 [2023-11-06 22:54:13,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 94 transitions, 306 flow. Second operand has 6 states, 6 states have (on average 222.5) internal successors, (1335), 6 states have internal predecessors, (1335), 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 22:54:13,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:13,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 365 [2023-11-06 22:54:13,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:14,328 INFO L124 PetriNetUnfolderBase]: 1593/2727 cut-off events. [2023-11-06 22:54:14,329 INFO L125 PetriNetUnfolderBase]: For 1830/2453 co-relation queries the response was YES. [2023-11-06 22:54:14,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7488 conditions, 2727 events. 1593/2727 cut-off events. For 1830/2453 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 13709 event pairs, 288 based on Foata normal form. 2/2493 useless extension candidates. Maximal degree in co-relation 7480. Up to 1837 conditions per place. [2023-11-06 22:54:14,362 INFO L140 encePairwiseOnDemand]: 356/365 looper letters, 62 selfloop transitions, 24 changer transitions 0/128 dead transitions. [2023-11-06 22:54:14,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 128 transitions, 621 flow [2023-11-06 22:54:14,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:14,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:54:14,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1381 transitions. [2023-11-06 22:54:14,368 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.630593607305936 [2023-11-06 22:54:14,368 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1381 transitions. [2023-11-06 22:54:14,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1381 transitions. [2023-11-06 22:54:14,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:14,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1381 transitions. [2023-11-06 22:54:14,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.16666666666666) internal successors, (1381), 6 states have internal predecessors, (1381), 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 22:54:14,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:14,383 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:14,383 INFO L175 Difference]: Start difference. First operand has 87 places, 94 transitions, 306 flow. Second operand 6 states and 1381 transitions. [2023-11-06 22:54:14,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 128 transitions, 621 flow [2023-11-06 22:54:14,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 128 transitions, 621 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:54:14,399 INFO L231 Difference]: Finished difference. Result has 92 places, 113 transitions, 525 flow [2023-11-06 22:54:14,400 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=525, PETRI_PLACES=92, PETRI_TRANSITIONS=113} [2023-11-06 22:54:14,401 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, -8 predicate places. [2023-11-06 22:54:14,401 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 113 transitions, 525 flow [2023-11-06 22:54:14,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 222.5) internal successors, (1335), 6 states have internal predecessors, (1335), 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 22:54:14,402 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:14,403 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 22:54:14,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:54:14,403 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:14,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:14,404 INFO L85 PathProgramCache]: Analyzing trace with hash -395421732, now seen corresponding path program 1 times [2023-11-06 22:54:14,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:14,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040430997] [2023-11-06 22:54:14,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:14,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:14,978 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 22:54:14,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:14,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040430997] [2023-11-06 22:54:14,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040430997] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:14,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:14,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:54:14,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522373928] [2023-11-06 22:54:14,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:14,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:54:14,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:14,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:54:14,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:54:16,145 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 365 [2023-11-06 22:54:16,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 113 transitions, 525 flow. Second operand has 9 states, 9 states have (on average 218.77777777777777) internal successors, (1969), 9 states have internal predecessors, (1969), 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 22:54:16,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:16,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 365 [2023-11-06 22:54:16,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:17,318 INFO L124 PetriNetUnfolderBase]: 2064/3754 cut-off events. [2023-11-06 22:54:17,319 INFO L125 PetriNetUnfolderBase]: For 2722/2874 co-relation queries the response was YES. [2023-11-06 22:54:17,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11322 conditions, 3754 events. 2064/3754 cut-off events. For 2722/2874 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 20123 event pairs, 281 based on Foata normal form. 69/3452 useless extension candidates. Maximal degree in co-relation 11312. Up to 1281 conditions per place. [2023-11-06 22:54:17,363 INFO L140 encePairwiseOnDemand]: 359/365 looper letters, 165 selfloop transitions, 8 changer transitions 16/224 dead transitions. [2023-11-06 22:54:17,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 224 transitions, 1253 flow [2023-11-06 22:54:17,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:54:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-11-06 22:54:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1668 transitions. [2023-11-06 22:54:17,370 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6528375733855186 [2023-11-06 22:54:17,370 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1668 transitions. [2023-11-06 22:54:17,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1668 transitions. [2023-11-06 22:54:17,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:17,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1668 transitions. [2023-11-06 22:54:17,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 238.28571428571428) internal successors, (1668), 7 states have internal predecessors, (1668), 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 22:54:17,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 365.0) internal successors, (2920), 8 states have internal predecessors, (2920), 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 22:54:17,387 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 365.0) internal successors, (2920), 8 states have internal predecessors, (2920), 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 22:54:17,387 INFO L175 Difference]: Start difference. First operand has 92 places, 113 transitions, 525 flow. Second operand 7 states and 1668 transitions. [2023-11-06 22:54:17,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 224 transitions, 1253 flow [2023-11-06 22:54:17,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 224 transitions, 1208 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:54:17,420 INFO L231 Difference]: Finished difference. Result has 92 places, 108 transitions, 490 flow [2023-11-06 22:54:17,420 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=490, PETRI_PLACES=92, PETRI_TRANSITIONS=108} [2023-11-06 22:54:17,422 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, -8 predicate places. [2023-11-06 22:54:17,423 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 108 transitions, 490 flow [2023-11-06 22:54:17,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 218.77777777777777) internal successors, (1969), 9 states have internal predecessors, (1969), 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 22:54:17,426 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:17,426 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] [2023-11-06 22:54:17,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:54:17,427 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread0Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:17,427 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:17,427 INFO L85 PathProgramCache]: Analyzing trace with hash -934336835, now seen corresponding path program 1 times [2023-11-06 22:54:17,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:17,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481925784] [2023-11-06 22:54:17,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:17,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:17,921 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 22:54:17,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:17,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481925784] [2023-11-06 22:54:17,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481925784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:17,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:17,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:17,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199382941] [2023-11-06 22:54:17,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:17,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:17,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:17,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:17,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:54:18,623 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 365 [2023-11-06 22:54:18,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 108 transitions, 490 flow. Second operand has 6 states, 6 states have (on average 224.5) internal successors, (1347), 6 states have internal predecessors, (1347), 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 22:54:18,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:18,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 365 [2023-11-06 22:54:18,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:20,211 INFO L124 PetriNetUnfolderBase]: 6047/9533 cut-off events. [2023-11-06 22:54:20,211 INFO L125 PetriNetUnfolderBase]: For 19972/20570 co-relation queries the response was YES. [2023-11-06 22:54:20,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31366 conditions, 9533 events. 6047/9533 cut-off events. For 19972/20570 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 54241 event pairs, 824 based on Foata normal form. 2/8658 useless extension candidates. Maximal degree in co-relation 31357. Up to 6455 conditions per place. [2023-11-06 22:54:20,324 INFO L140 encePairwiseOnDemand]: 355/365 looper letters, 79 selfloop transitions, 165 changer transitions 0/282 dead transitions. [2023-11-06 22:54:20,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 282 transitions, 2196 flow [2023-11-06 22:54:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:20,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:54:20,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1391 transitions. [2023-11-06 22:54:20,330 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6351598173515982 [2023-11-06 22:54:20,330 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1391 transitions. [2023-11-06 22:54:20,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1391 transitions. [2023-11-06 22:54:20,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:20,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1391 transitions. [2023-11-06 22:54:20,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 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 22:54:20,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:20,342 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:20,342 INFO L175 Difference]: Start difference. First operand has 92 places, 108 transitions, 490 flow. Second operand 6 states and 1391 transitions. [2023-11-06 22:54:20,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 282 transitions, 2196 flow [2023-11-06 22:54:20,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 282 transitions, 2182 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:54:20,376 INFO L231 Difference]: Finished difference. Result has 94 places, 272 transitions, 2418 flow [2023-11-06 22:54:20,376 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2418, PETRI_PLACES=94, PETRI_TRANSITIONS=272} [2023-11-06 22:54:20,379 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, -6 predicate places. [2023-11-06 22:54:20,379 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 272 transitions, 2418 flow [2023-11-06 22:54:20,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.5) internal successors, (1347), 6 states have internal predecessors, (1347), 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 22:54:20,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:20,380 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] [2023-11-06 22:54:20,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:54:20,381 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread0Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:20,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:20,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1278538387, now seen corresponding path program 1 times [2023-11-06 22:54:20,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:20,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556887210] [2023-11-06 22:54:20,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:20,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:20,966 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 22:54:20,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:20,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556887210] [2023-11-06 22:54:20,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556887210] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:20,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:20,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:54:20,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428686707] [2023-11-06 22:54:20,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:20,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:54:20,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:20,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:54:20,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:54:22,094 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 365 [2023-11-06 22:54:22,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 272 transitions, 2418 flow. Second operand has 9 states, 9 states have (on average 221.44444444444446) internal successors, (1993), 9 states have internal predecessors, (1993), 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 22:54:22,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:22,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 365 [2023-11-06 22:54:22,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:24,034 INFO L124 PetriNetUnfolderBase]: 5690/9416 cut-off events. [2023-11-06 22:54:24,034 INFO L125 PetriNetUnfolderBase]: For 33809/34888 co-relation queries the response was YES. [2023-11-06 22:54:24,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38038 conditions, 9416 events. 5690/9416 cut-off events. For 33809/34888 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 56977 event pairs, 434 based on Foata normal form. 651/9412 useless extension candidates. Maximal degree in co-relation 38025. Up to 5055 conditions per place. [2023-11-06 22:54:24,152 INFO L140 encePairwiseOnDemand]: 358/365 looper letters, 311 selfloop transitions, 9 changer transitions 0/358 dead transitions. [2023-11-06 22:54:24,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 358 transitions, 3820 flow [2023-11-06 22:54:24,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:54:24,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:54:24,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1809 transitions. [2023-11-06 22:54:24,159 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6195205479452055 [2023-11-06 22:54:24,159 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1809 transitions. [2023-11-06 22:54:24,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1809 transitions. [2023-11-06 22:54:24,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:24,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1809 transitions. [2023-11-06 22:54:24,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 226.125) internal successors, (1809), 8 states have internal predecessors, (1809), 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 22:54:24,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 365.0) internal successors, (3285), 9 states have internal predecessors, (3285), 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 22:54:24,184 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 365.0) internal successors, (3285), 9 states have internal predecessors, (3285), 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 22:54:24,184 INFO L175 Difference]: Start difference. First operand has 94 places, 272 transitions, 2418 flow. Second operand 8 states and 1809 transitions. [2023-11-06 22:54:24,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 358 transitions, 3820 flow [2023-11-06 22:54:24,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 358 transitions, 3778 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:54:24,264 INFO L231 Difference]: Finished difference. Result has 99 places, 271 transitions, 2390 flow [2023-11-06 22:54:24,265 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=2372, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2390, PETRI_PLACES=99, PETRI_TRANSITIONS=271} [2023-11-06 22:54:24,266 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, -1 predicate places. [2023-11-06 22:54:24,266 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 271 transitions, 2390 flow [2023-11-06 22:54:24,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 221.44444444444446) internal successors, (1993), 9 states have internal predecessors, (1993), 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 22:54:24,268 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:24,268 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] [2023-11-06 22:54:24,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:54:24,268 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:24,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:24,269 INFO L85 PathProgramCache]: Analyzing trace with hash 159222154, now seen corresponding path program 1 times [2023-11-06 22:54:24,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:24,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881444968] [2023-11-06 22:54:24,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:24,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:24,753 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 22:54:24,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:24,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881444968] [2023-11-06 22:54:24,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881444968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:24,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:24,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:24,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602768086] [2023-11-06 22:54:24,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:24,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:24,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:24,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:24,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:54:25,427 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 365 [2023-11-06 22:54:25,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 271 transitions, 2390 flow. Second operand has 6 states, 6 states have (on average 224.83333333333334) internal successors, (1349), 6 states have internal predecessors, (1349), 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 22:54:25,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:25,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 365 [2023-11-06 22:54:25,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:27,545 INFO L124 PetriNetUnfolderBase]: 7805/12098 cut-off events. [2023-11-06 22:54:27,545 INFO L125 PetriNetUnfolderBase]: For 57838/58772 co-relation queries the response was YES. [2023-11-06 22:54:27,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49235 conditions, 12098 events. 7805/12098 cut-off events. For 57838/58772 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 68551 event pairs, 1064 based on Foata normal form. 2/11270 useless extension candidates. Maximal degree in co-relation 49222. Up to 7990 conditions per place. [2023-11-06 22:54:27,695 INFO L140 encePairwiseOnDemand]: 356/365 looper letters, 237 selfloop transitions, 125 changer transitions 0/403 dead transitions. [2023-11-06 22:54:27,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 403 transitions, 4330 flow [2023-11-06 22:54:27,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:54:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1385 transitions. [2023-11-06 22:54:27,701 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.632420091324201 [2023-11-06 22:54:27,701 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1385 transitions. [2023-11-06 22:54:27,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1385 transitions. [2023-11-06 22:54:27,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:27,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1385 transitions. [2023-11-06 22:54:27,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 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 22:54:27,713 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:27,715 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:27,715 INFO L175 Difference]: Start difference. First operand has 99 places, 271 transitions, 2390 flow. Second operand 6 states and 1385 transitions. [2023-11-06 22:54:27,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 403 transitions, 4330 flow [2023-11-06 22:54:27,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 403 transitions, 4314 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:54:27,792 INFO L231 Difference]: Finished difference. Result has 103 places, 395 transitions, 4140 flow [2023-11-06 22:54:27,792 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=2374, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4140, PETRI_PLACES=103, PETRI_TRANSITIONS=395} [2023-11-06 22:54:27,793 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, 3 predicate places. [2023-11-06 22:54:27,793 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 395 transitions, 4140 flow [2023-11-06 22:54:27,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.83333333333334) internal successors, (1349), 6 states have internal predecessors, (1349), 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 22:54:27,794 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:27,794 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] [2023-11-06 22:54:27,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:54:27,795 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:27,795 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:27,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1683674046, now seen corresponding path program 1 times [2023-11-06 22:54:27,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:27,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127892368] [2023-11-06 22:54:27,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:27,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:28,366 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 22:54:28,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:28,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127892368] [2023-11-06 22:54:28,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127892368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:28,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:28,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:54:28,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262824139] [2023-11-06 22:54:28,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:28,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:54:28,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:28,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:54:28,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:54:29,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 365 [2023-11-06 22:54:29,449 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 395 transitions, 4140 flow. Second operand has 9 states, 9 states have (on average 221.66666666666666) internal successors, (1995), 9 states have internal predecessors, (1995), 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 22:54:29,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:29,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 365 [2023-11-06 22:54:29,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:31,604 INFO L124 PetriNetUnfolderBase]: 7713/12069 cut-off events. [2023-11-06 22:54:31,604 INFO L125 PetriNetUnfolderBase]: For 75592/76490 co-relation queries the response was YES. [2023-11-06 22:54:31,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55860 conditions, 12069 events. 7713/12069 cut-off events. For 75592/76490 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 69273 event pairs, 679 based on Foata normal form. 75/11392 useless extension candidates. Maximal degree in co-relation 55843. Up to 6928 conditions per place. [2023-11-06 22:54:31,782 INFO L140 encePairwiseOnDemand]: 358/365 looper letters, 411 selfloop transitions, 9 changer transitions 0/461 dead transitions. [2023-11-06 22:54:31,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 461 transitions, 5674 flow [2023-11-06 22:54:31,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:54:31,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:54:31,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1805 transitions. [2023-11-06 22:54:31,790 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6181506849315068 [2023-11-06 22:54:31,791 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1805 transitions. [2023-11-06 22:54:31,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1805 transitions. [2023-11-06 22:54:31,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:31,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1805 transitions. [2023-11-06 22:54:31,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 225.625) internal successors, (1805), 8 states have internal predecessors, (1805), 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 22:54:31,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 365.0) internal successors, (3285), 9 states have internal predecessors, (3285), 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 22:54:31,809 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 365.0) internal successors, (3285), 9 states have internal predecessors, (3285), 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 22:54:31,809 INFO L175 Difference]: Start difference. First operand has 103 places, 395 transitions, 4140 flow. Second operand 8 states and 1805 transitions. [2023-11-06 22:54:31,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 461 transitions, 5674 flow [2023-11-06 22:54:31,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 461 transitions, 5402 flow, removed 120 selfloop flow, removed 1 redundant places. [2023-11-06 22:54:31,961 INFO L231 Difference]: Finished difference. Result has 108 places, 394 transitions, 3882 flow [2023-11-06 22:54:31,962 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=3864, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3882, PETRI_PLACES=108, PETRI_TRANSITIONS=394} [2023-11-06 22:54:31,965 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, 8 predicate places. [2023-11-06 22:54:31,965 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 394 transitions, 3882 flow [2023-11-06 22:54:31,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 221.66666666666666) internal successors, (1995), 9 states have internal predecessors, (1995), 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 22:54:31,975 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:31,975 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] [2023-11-06 22:54:31,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:54:31,976 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread0Err3ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:31,976 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:31,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1131082497, now seen corresponding path program 1 times [2023-11-06 22:54:31,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:31,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319803554] [2023-11-06 22:54:31,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:31,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:32,591 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 22:54:32,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:32,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319803554] [2023-11-06 22:54:32,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319803554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:32,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:32,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:32,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135601936] [2023-11-06 22:54:32,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:32,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:32,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:32,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:32,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:54:33,067 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 365 [2023-11-06 22:54:33,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 394 transitions, 3882 flow. Second operand has 6 states, 6 states have (on average 225.16666666666666) internal successors, (1351), 6 states have internal predecessors, (1351), 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 22:54:33,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:33,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 365 [2023-11-06 22:54:33,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:35,430 INFO L124 PetriNetUnfolderBase]: 8531/13056 cut-off events. [2023-11-06 22:54:35,431 INFO L125 PetriNetUnfolderBase]: For 85981/87021 co-relation queries the response was YES. [2023-11-06 22:54:35,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58724 conditions, 13056 events. 8531/13056 cut-off events. For 85981/87021 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 72753 event pairs, 1083 based on Foata normal form. 0/12266 useless extension candidates. Maximal degree in co-relation 58707. Up to 8713 conditions per place. [2023-11-06 22:54:35,591 INFO L140 encePairwiseOnDemand]: 357/365 looper letters, 355 selfloop transitions, 125 changer transitions 0/524 dead transitions. [2023-11-06 22:54:35,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 524 transitions, 6192 flow [2023-11-06 22:54:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:54:35,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1379 transitions. [2023-11-06 22:54:35,604 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6296803652968036 [2023-11-06 22:54:35,604 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1379 transitions. [2023-11-06 22:54:35,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1379 transitions. [2023-11-06 22:54:35,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:35,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1379 transitions. [2023-11-06 22:54:35,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 229.83333333333334) internal successors, (1379), 6 states have internal predecessors, (1379), 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 22:54:35,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:35,615 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:35,615 INFO L175 Difference]: Start difference. First operand has 108 places, 394 transitions, 3882 flow. Second operand 6 states and 1379 transitions. [2023-11-06 22:54:35,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 524 transitions, 6192 flow [2023-11-06 22:54:35,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 524 transitions, 6176 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:54:35,749 INFO L231 Difference]: Finished difference. Result has 112 places, 518 transitions, 5772 flow [2023-11-06 22:54:35,750 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=3866, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5772, PETRI_PLACES=112, PETRI_TRANSITIONS=518} [2023-11-06 22:54:35,752 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, 12 predicate places. [2023-11-06 22:54:35,752 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 518 transitions, 5772 flow [2023-11-06 22:54:35,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.16666666666666) internal successors, (1351), 6 states have internal predecessors, (1351), 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 22:54:35,753 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:35,753 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] [2023-11-06 22:54:35,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:54:35,753 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread0Err3ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:35,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:35,754 INFO L85 PathProgramCache]: Analyzing trace with hash 271708996, now seen corresponding path program 1 times [2023-11-06 22:54:35,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:35,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001937814] [2023-11-06 22:54:35,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:35,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:36,513 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 22:54:36,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:36,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001937814] [2023-11-06 22:54:36,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001937814] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:36,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:36,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:54:36,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690747673] [2023-11-06 22:54:36,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:36,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:54:36,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:36,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:54:36,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:54:37,448 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 365 [2023-11-06 22:54:37,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 518 transitions, 5772 flow. Second operand has 9 states, 9 states have (on average 221.88888888888889) internal successors, (1997), 9 states have internal predecessors, (1997), 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 22:54:37,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:37,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 365 [2023-11-06 22:54:37,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:39,753 INFO L124 PetriNetUnfolderBase]: 8544/13106 cut-off events. [2023-11-06 22:54:39,753 INFO L125 PetriNetUnfolderBase]: For 99611/100665 co-relation queries the response was YES. [2023-11-06 22:54:39,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63034 conditions, 13106 events. 8544/13106 cut-off events. For 99611/100665 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 73341 event pairs, 851 based on Foata normal form. 31/12381 useless extension candidates. Maximal degree in co-relation 63013. Up to 7720 conditions per place. [2023-11-06 22:54:39,946 INFO L140 encePairwiseOnDemand]: 358/365 looper letters, 511 selfloop transitions, 9 changer transitions 0/564 dead transitions. [2023-11-06 22:54:39,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 564 transitions, 7358 flow [2023-11-06 22:54:39,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:54:39,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:54:39,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1801 transitions. [2023-11-06 22:54:39,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6167808219178083 [2023-11-06 22:54:39,954 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1801 transitions. [2023-11-06 22:54:39,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1801 transitions. [2023-11-06 22:54:39,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:39,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1801 transitions. [2023-11-06 22:54:39,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 225.125) internal successors, (1801), 8 states have internal predecessors, (1801), 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 22:54:39,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 365.0) internal successors, (3285), 9 states have internal predecessors, (3285), 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 22:54:39,967 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 365.0) internal successors, (3285), 9 states have internal predecessors, (3285), 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 22:54:39,968 INFO L175 Difference]: Start difference. First operand has 112 places, 518 transitions, 5772 flow. Second operand 8 states and 1801 transitions. [2023-11-06 22:54:39,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 564 transitions, 7358 flow [2023-11-06 22:54:40,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 564 transitions, 7246 flow, removed 40 selfloop flow, removed 1 redundant places. [2023-11-06 22:54:40,186 INFO L231 Difference]: Finished difference. Result has 117 places, 517 transitions, 5674 flow [2023-11-06 22:54:40,188 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=5656, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=508, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5674, PETRI_PLACES=117, PETRI_TRANSITIONS=517} [2023-11-06 22:54:40,190 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, 17 predicate places. [2023-11-06 22:54:40,190 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 517 transitions, 5674 flow [2023-11-06 22:54:40,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 221.88888888888889) internal successors, (1997), 9 states have internal predecessors, (1997), 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 22:54:40,191 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:40,191 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] [2023-11-06 22:54:40,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:54:40,192 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread0Err4ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:40,192 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:40,192 INFO L85 PathProgramCache]: Analyzing trace with hash 254487940, now seen corresponding path program 1 times [2023-11-06 22:54:40,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:40,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121814002] [2023-11-06 22:54:40,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:40,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:40,726 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 22:54:40,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:40,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121814002] [2023-11-06 22:54:40,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121814002] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:40,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:40,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:54:40,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974104143] [2023-11-06 22:54:40,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:40,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:54:40,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:40,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:54:40,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:54:41,294 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 365 [2023-11-06 22:54:41,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 517 transitions, 5674 flow. Second operand has 6 states, 6 states have (on average 225.5) internal successors, (1353), 6 states have internal predecessors, (1353), 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 22:54:41,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:41,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 365 [2023-11-06 22:54:41,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:44,024 INFO L124 PetriNetUnfolderBase]: 8783/13393 cut-off events. [2023-11-06 22:54:44,024 INFO L125 PetriNetUnfolderBase]: For 108233/109334 co-relation queries the response was YES. [2023-11-06 22:54:44,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64383 conditions, 13393 events. 8783/13393 cut-off events. For 108233/109334 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 74305 event pairs, 1105 based on Foata normal form. 0/12667 useless extension candidates. Maximal degree in co-relation 64362. Up to 8999 conditions per place. [2023-11-06 22:54:44,150 INFO L140 encePairwiseOnDemand]: 358/365 looper letters, 352 selfloop transitions, 85 changer transitions 121/605 dead transitions. [2023-11-06 22:54:44,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 605 transitions, 7878 flow [2023-11-06 22:54:44,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:54:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:54:44,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1373 transitions. [2023-11-06 22:54:44,156 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6269406392694064 [2023-11-06 22:54:44,157 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1373 transitions. [2023-11-06 22:54:44,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1373 transitions. [2023-11-06 22:54:44,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:44,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1373 transitions. [2023-11-06 22:54:44,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 228.83333333333334) internal successors, (1373), 6 states have internal predecessors, (1373), 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 22:54:44,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:44,169 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 365.0) internal successors, (2555), 7 states have internal predecessors, (2555), 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 22:54:44,169 INFO L175 Difference]: Start difference. First operand has 117 places, 517 transitions, 5674 flow. Second operand 6 states and 1373 transitions. [2023-11-06 22:54:44,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 605 transitions, 7878 flow [2023-11-06 22:54:44,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 605 transitions, 7862 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-06 22:54:44,363 INFO L231 Difference]: Finished difference. Result has 121 places, 480 transitions, 5546 flow [2023-11-06 22:54:44,364 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=5658, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=517, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=492, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5546, PETRI_PLACES=121, PETRI_TRANSITIONS=480} [2023-11-06 22:54:44,364 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, 21 predicate places. [2023-11-06 22:54:44,364 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 480 transitions, 5546 flow [2023-11-06 22:54:44,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.5) internal successors, (1353), 6 states have internal predecessors, (1353), 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 22:54:44,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:54:44,365 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] [2023-11-06 22:54:44,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:54:44,366 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread0Err4ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 34 more)] === [2023-11-06 22:54:44,366 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:44,366 INFO L85 PathProgramCache]: Analyzing trace with hash 313639218, now seen corresponding path program 1 times [2023-11-06 22:54:44,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:44,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096506384] [2023-11-06 22:54:44,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:44,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:45,050 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 22:54:45,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:45,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096506384] [2023-11-06 22:54:45,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096506384] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:45,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:45,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:54:45,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303584505] [2023-11-06 22:54:45,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:45,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:54:45,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:45,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:54:45,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:54:46,061 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 365 [2023-11-06 22:54:46,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 480 transitions, 5546 flow. Second operand has 9 states, 9 states have (on average 211.11111111111111) internal successors, (1900), 9 states have internal predecessors, (1900), 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 22:54:46,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:54:46,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 365 [2023-11-06 22:54:46,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:54:48,087 INFO L124 PetriNetUnfolderBase]: 7474/11927 cut-off events. [2023-11-06 22:54:48,087 INFO L125 PetriNetUnfolderBase]: For 96207/96947 co-relation queries the response was YES. [2023-11-06 22:54:48,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58007 conditions, 11927 events. 7474/11927 cut-off events. For 96207/96947 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 70730 event pairs, 843 based on Foata normal form. 11/11329 useless extension candidates. Maximal degree in co-relation 57982. Up to 7597 conditions per place. [2023-11-06 22:54:48,209 INFO L140 encePairwiseOnDemand]: 358/365 looper letters, 0 selfloop transitions, 0 changer transitions 486/486 dead transitions. [2023-11-06 22:54:48,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 486 transitions, 6434 flow [2023-11-06 22:54:48,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:54:48,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-06 22:54:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1709 transitions. [2023-11-06 22:54:48,243 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5852739726027397 [2023-11-06 22:54:48,243 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1709 transitions. [2023-11-06 22:54:48,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1709 transitions. [2023-11-06 22:54:48,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:48,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1709 transitions. [2023-11-06 22:54:48,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 213.625) internal successors, (1709), 8 states have internal predecessors, (1709), 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 22:54:48,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 365.0) internal successors, (3285), 9 states have internal predecessors, (3285), 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 22:54:48,276 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 365.0) internal successors, (3285), 9 states have internal predecessors, (3285), 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 22:54:48,276 INFO L175 Difference]: Start difference. First operand has 121 places, 480 transitions, 5546 flow. Second operand 8 states and 1709 transitions. [2023-11-06 22:54:48,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 486 transitions, 6434 flow [2023-11-06 22:54:48,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 486 transitions, 6372 flow, removed 20 selfloop flow, removed 1 redundant places. [2023-11-06 22:54:48,637 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2023-11-06 22:54:48,638 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=365, PETRI_DIFFERENCE_MINUEND_FLOW=5480, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=479, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2023-11-06 22:54:48,639 INFO L281 CegarLoopForPetriNet]: 100 programPoint places, 26 predicate places. [2023-11-06 22:54:48,639 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2023-11-06 22:54:48,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 211.11111111111111) internal successors, (1900), 9 states have internal predecessors, (1900), 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 22:54:48,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err0ASSERT_VIOLATIONDATA_RACE (37 of 38 remaining) [2023-11-06 22:54:48,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err1ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2023-11-06 22:54:48,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2023-11-06 22:54:48,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err3ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2023-11-06 22:54:48,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err4ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2023-11-06 22:54:48,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 38 remaining) [2023-11-06 22:54:48,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 38 remaining) [2023-11-06 22:54:48,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 38 remaining) [2023-11-06 22:54:48,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 38 remaining) [2023-11-06 22:54:48,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 38 remaining) [2023-11-06 22:54:48,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2023-11-06 22:54:48,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2023-11-06 22:54:48,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2023-11-06 22:54:48,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2023-11-06 22:54:48,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2023-11-06 22:54:48,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2023-11-06 22:54:48,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2023-11-06 22:54:48,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2023-11-06 22:54:48,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 38 remaining) [2023-11-06 22:54:48,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err0ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2023-11-06 22:54:48,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err1ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2023-11-06 22:54:48,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err2ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2023-11-06 22:54:48,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err3ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining) [2023-11-06 22:54:48,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Err4ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining) [2023-11-06 22:54:48,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 38 remaining) [2023-11-06 22:54:48,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 38 remaining) [2023-11-06 22:54:48,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 38 remaining) [2023-11-06 22:54:48,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 38 remaining) [2023-11-06 22:54:48,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork5Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 38 remaining) [2023-11-06 22:54:48,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2023-11-06 22:54:48,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2023-11-06 22:54:48,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining) [2023-11-06 22:54:48,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2023-11-06 22:54:48,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2023-11-06 22:54:48,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2023-11-06 22:54:48,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2023-11-06 22:54:48,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2023-11-06 22:54:48,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2023-11-06 22:54:48,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:54:48,652 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:48,658 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:54:48,658 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:54:48,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:54:48 BasicIcfg [2023-11-06 22:54:48,664 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:54:48,664 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:54:48,665 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:54:48,665 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:54:48,665 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:05" (3/4) ... [2023-11-06 22:54:48,667 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:54:48,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2023-11-06 22:54:48,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:54:48,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:54:48,672 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 22:54:48,676 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-06 22:54:48,676 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:54:48,677 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:54:48,677 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:54:48,722 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:54:48,723 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:54:48,723 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:54:48,723 INFO L158 Benchmark]: Toolchain (without parser) took 45500.97ms. Allocated memory was 161.5MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 112.3MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-11-06 22:54:48,724 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 161.5MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:48,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 946.02ms. Allocated memory is still 161.5MB. Free memory was 112.3MB in the beginning and 78.7MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-06 22:54:48,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.07ms. Allocated memory is still 161.5MB. Free memory was 78.7MB in the beginning and 76.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:48,725 INFO L158 Benchmark]: Boogie Preprocessor took 47.52ms. Allocated memory is still 161.5MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:48,726 INFO L158 Benchmark]: RCFGBuilder took 856.15ms. Allocated memory was 161.5MB in the beginning and 226.5MB in the end (delta: 65.0MB). Free memory was 74.0MB in the beginning and 187.2MB in the end (delta: -113.1MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-11-06 22:54:48,726 INFO L158 Benchmark]: TraceAbstraction took 43514.38ms. Allocated memory was 226.5MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 187.2MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-11-06 22:54:48,727 INFO L158 Benchmark]: Witness Printer took 58.51ms. Allocated memory is still 2.9GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:48,729 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 161.5MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 946.02ms. Allocated memory is still 161.5MB. Free memory was 112.3MB in the beginning and 78.7MB in the end (delta: 33.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.07ms. Allocated memory is still 161.5MB. Free memory was 78.7MB in the beginning and 76.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.52ms. Allocated memory is still 161.5MB. Free memory was 76.1MB in the beginning and 74.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 856.15ms. Allocated memory was 161.5MB in the beginning and 226.5MB in the end (delta: 65.0MB). Free memory was 74.0MB in the beginning and 187.2MB in the end (delta: -113.1MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * TraceAbstraction took 43514.38ms. Allocated memory was 226.5MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 187.2MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 58.51ms. Allocated memory is still 2.9GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.0s, 178 PlacesBefore, 100 PlacesAfterwards, 164 TransitionsBefore, 86 TransitionsAfterwards, 4608 CoEnabledTransitionPairs, 5 FixpointIterations, 18 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 90 TotalNumberOfCompositions, 20174 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7203, independent: 6662, independent conditional: 0, independent unconditional: 6662, dependent: 541, dependent conditional: 0, dependent unconditional: 541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1790, independent: 1704, independent conditional: 0, independent unconditional: 1704, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7203, independent: 4958, independent conditional: 0, independent unconditional: 4958, dependent: 455, dependent conditional: 0, dependent unconditional: 455, unknown: 1790, unknown conditional: 0, unknown unconditional: 1790] , Statistics on independence cache: Total cache size (in pairs): 292, Positive cache size: 231, Positive conditional cache size: 0, Positive unconditional cache size: 231, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1153]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1154]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1163]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1164]: 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 11 procedures, 317 locations, 38 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: 43.2s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4046 SdHoareTripleChecker+Valid, 10.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2597 mSDsluCounter, 934 SdHoareTripleChecker+Invalid, 9.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 844 mSDsCounter, 1979 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10333 IncrementalHoareTripleChecker+Invalid, 12312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1979 mSolverCounterUnsat, 90 mSDtfsCounter, 10333 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5772occurred in iteration=9, InterpolantAutomatonStates: 77, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 1785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 13 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:54:48,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_446bc02f-8339-4475-9015-2324fd0bcb15/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