./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_safe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:29:42,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:29:43,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 18:29:43,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:29:43,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:29:43,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:29:43,097 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:29:43,098 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:29:43,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:29:43,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:29:43,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:29:43,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:29:43,103 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:29:43,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:29:43,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:29:43,107 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:29:43,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:29:43,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:29:43,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:29:43,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:29:43,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:29:43,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:29:43,112 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 18:29:43,113 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:29:43,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:29:43,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:29:43,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:29:43,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:29:43,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:29:43,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:29:43,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:29:43,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:29:43,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:29:43,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:29:43,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:29:43,124 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:29:43,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:29:43,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:29:43,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:29:43,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:29:43,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:29:43,127 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_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2024-11-08 18:29:43,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:29:43,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:29:43,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:29:43,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:29:43,497 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:29:43,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread/fib_safe-6.i Unable to find full path for "g++" [2024-11-08 18:29:45,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:29:46,212 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:29:46,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/sv-benchmarks/c/pthread/fib_safe-6.i [2024-11-08 18:29:46,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/data/e3c8a6838/38c7e82cb51c4b55bae95da05d3e5f56/FLAGb154c6ee6 [2024-11-08 18:29:46,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/data/e3c8a6838/38c7e82cb51c4b55bae95da05d3e5f56 [2024-11-08 18:29:46,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:29:46,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:29:46,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:29:46,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:29:46,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:29:46,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:29:46" (1/1) ... [2024-11-08 18:29:46,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1516ead2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:46, skipping insertion in model container [2024-11-08 18:29:46,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:29:46" (1/1) ... [2024-11-08 18:29:46,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:29:46,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:29:46,941 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:29:47,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:29:47,085 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:29:47,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47 WrapperNode [2024-11-08 18:29:47,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:29:47,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:29:47,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:29:47,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:29:47,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (1/1) ... [2024-11-08 18:29:47,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (1/1) ... [2024-11-08 18:29:47,156 INFO L138 Inliner]: procedures = 164, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 117 [2024-11-08 18:29:47,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:29:47,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:29:47,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:29:47,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:29:47,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (1/1) ... [2024-11-08 18:29:47,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (1/1) ... [2024-11-08 18:29:47,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (1/1) ... [2024-11-08 18:29:47,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (1/1) ... [2024-11-08 18:29:47,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (1/1) ... [2024-11-08 18:29:47,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (1/1) ... [2024-11-08 18:29:47,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (1/1) ... [2024-11-08 18:29:47,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (1/1) ... [2024-11-08 18:29:47,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:29:47,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:29:47,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:29:47,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:29:47,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (1/1) ... [2024-11-08 18:29:47,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:29:47,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:29:47,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:29:47,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:29:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-08 18:29:47,327 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-08 18:29:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-08 18:29:47,327 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-08 18:29:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 18:29:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:29:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 18:29:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 18:29:47,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:29:47,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:29:47,331 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 18:29:47,568 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:29:47,571 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:29:48,067 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 18:29:48,067 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:29:48,178 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:29:48,179 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 18:29:48,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:29:48 BoogieIcfgContainer [2024-11-08 18:29:48,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:29:48,182 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:29:48,182 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:29:48,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:29:48,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:29:46" (1/3) ... [2024-11-08 18:29:48,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6caf6ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:29:48, skipping insertion in model container [2024-11-08 18:29:48,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:29:47" (2/3) ... [2024-11-08 18:29:48,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6caf6ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:29:48, skipping insertion in model container [2024-11-08 18:29:48,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:29:48" (3/3) ... [2024-11-08 18:29:48,190 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-6.i [2024-11-08 18:29:48,212 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:29:48,212 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-11-08 18:29:48,212 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 18:29:48,343 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 18:29:48,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 183 transitions, 374 flow [2024-11-08 18:29:48,508 INFO L124 PetriNetUnfolderBase]: 8/181 cut-off events. [2024-11-08 18:29:48,509 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:48,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 181 events. 8/181 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 357 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 155. Up to 2 conditions per place. [2024-11-08 18:29:48,522 INFO L82 GeneralOperation]: Start removeDead. Operand has 182 places, 183 transitions, 374 flow [2024-11-08 18:29:48,529 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 180 places, 181 transitions, 368 flow [2024-11-08 18:29:48,541 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:29:48,550 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1fbbb1c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:29:48,550 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-11-08 18:29:48,557 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 18:29:48,557 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-08 18:29:48,557 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:48,558 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:48,558 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:48,559 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:48,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:48,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1924138677, now seen corresponding path program 1 times [2024-11-08 18:29:48,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:48,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763443819] [2024-11-08 18:29:48,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:48,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:48,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:48,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763443819] [2024-11-08 18:29:48,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763443819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:48,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:48,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 18:29:48,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018007106] [2024-11-08 18:29:48,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:48,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:29:48,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:48,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:29:48,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:29:48,908 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 183 [2024-11-08 18:29:48,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 181 transitions, 368 flow. Second operand has 2 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 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) [2024-11-08 18:29:48,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:48,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 183 [2024-11-08 18:29:48,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:49,082 INFO L124 PetriNetUnfolderBase]: 13/317 cut-off events. [2024-11-08 18:29:49,083 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-08 18:29:49,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 317 events. 13/317 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1145 event pairs, 6 based on Foata normal form. 22/285 useless extension candidates. Maximal degree in co-relation 312. Up to 21 conditions per place. [2024-11-08 18:29:49,094 INFO L140 encePairwiseOnDemand]: 168/183 looper letters, 7 selfloop transitions, 0 changer transitions 0/164 dead transitions. [2024-11-08 18:29:49,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 164 transitions, 348 flow [2024-11-08 18:29:49,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:29:49,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-08 18:29:49,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 342 transitions. [2024-11-08 18:29:49,114 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9344262295081968 [2024-11-08 18:29:49,117 INFO L175 Difference]: Start difference. First operand has 180 places, 181 transitions, 368 flow. Second operand 2 states and 342 transitions. [2024-11-08 18:29:49,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 164 transitions, 348 flow [2024-11-08 18:29:49,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:49,126 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 332 flow [2024-11-08 18:29:49,128 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=332, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2024-11-08 18:29:49,135 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -13 predicate places. [2024-11-08 18:29:49,136 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 332 flow [2024-11-08 18:29:49,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 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) [2024-11-08 18:29:49,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:49,137 INFO L204 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] [2024-11-08 18:29:49,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:29:49,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:49,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:49,140 INFO L85 PathProgramCache]: Analyzing trace with hash 722897399, now seen corresponding path program 1 times [2024-11-08 18:29:49,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:49,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926808473] [2024-11-08 18:29:49,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:49,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:49,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:49,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:49,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926808473] [2024-11-08 18:29:49,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926808473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:49,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:49,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:49,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706691749] [2024-11-08 18:29:49,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:49,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:49,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:49,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:49,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:49,322 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-08 18:29:49,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-11-08 18:29:49,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:49,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-08 18:29:49,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:49,552 INFO L124 PetriNetUnfolderBase]: 63/594 cut-off events. [2024-11-08 18:29:49,553 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:49,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 594 events. 63/594 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3305 event pairs, 29 based on Foata normal form. 0/475 useless extension candidates. Maximal degree in co-relation 716. Up to 81 conditions per place. [2024-11-08 18:29:49,566 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2024-11-08 18:29:49,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 166 transitions, 372 flow [2024-11-08 18:29:49,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:49,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-08 18:29:49,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2024-11-08 18:29:49,576 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 332 flow. Second operand 3 states and 474 transitions. [2024-11-08 18:29:49,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 166 transitions, 372 flow [2024-11-08 18:29:49,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 18:29:49,586 INFO L231 Difference]: Finished difference. Result has 168 places, 163 transitions, 334 flow [2024-11-08 18:29:49,586 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=168, PETRI_TRANSITIONS=163} [2024-11-08 18:29:49,587 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -12 predicate places. [2024-11-08 18:29:49,588 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 163 transitions, 334 flow [2024-11-08 18:29:49,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-11-08 18:29:49,589 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:49,590 INFO L204 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] [2024-11-08 18:29:49,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:29:49,591 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:49,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:49,593 INFO L85 PathProgramCache]: Analyzing trace with hash 870910871, now seen corresponding path program 1 times [2024-11-08 18:29:49,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:49,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905097370] [2024-11-08 18:29:49,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:49,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:49,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:49,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905097370] [2024-11-08 18:29:49,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905097370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:49,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:49,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:49,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542732040] [2024-11-08 18:29:49,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:49,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:49,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:49,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:49,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:49,778 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-08 18:29:49,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 163 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-11-08 18:29:49,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:49,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-08 18:29:49,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:49,914 INFO L124 PetriNetUnfolderBase]: 50/334 cut-off events. [2024-11-08 18:29:49,918 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-08 18:29:49,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 334 events. 50/334 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1523 event pairs, 11 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 447. Up to 55 conditions per place. [2024-11-08 18:29:49,925 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2024-11-08 18:29:49,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 370 flow [2024-11-08 18:29:49,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-08 18:29:49,931 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2024-11-08 18:29:49,931 INFO L175 Difference]: Start difference. First operand has 168 places, 163 transitions, 334 flow. Second operand 3 states and 474 transitions. [2024-11-08 18:29:49,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 370 flow [2024-11-08 18:29:49,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 164 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:49,941 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 330 flow [2024-11-08 18:29:49,941 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2024-11-08 18:29:49,942 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -14 predicate places. [2024-11-08 18:29:49,943 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 330 flow [2024-11-08 18:29:49,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-11-08 18:29:49,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:49,944 INFO L204 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] [2024-11-08 18:29:49,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:29:49,945 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:49,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:49,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1112015275, now seen corresponding path program 1 times [2024-11-08 18:29:49,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:49,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14410138] [2024-11-08 18:29:49,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:49,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:50,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:50,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14410138] [2024-11-08 18:29:50,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14410138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:50,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:50,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:50,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607763784] [2024-11-08 18:29:50,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:50,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:50,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:50,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:50,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:50,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-08 18:29:50,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 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) [2024-11-08 18:29:50,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:50,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-08 18:29:50,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:50,203 INFO L124 PetriNetUnfolderBase]: 41/346 cut-off events. [2024-11-08 18:29:50,203 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:50,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 346 events. 41/346 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1671 event pairs, 26 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 428. Up to 59 conditions per place. [2024-11-08 18:29:50,209 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2024-11-08 18:29:50,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 162 transitions, 364 flow [2024-11-08 18:29:50,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:50,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-08 18:29:50,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2024-11-08 18:29:50,214 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 330 flow. Second operand 3 states and 473 transitions. [2024-11-08 18:29:50,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 162 transitions, 364 flow [2024-11-08 18:29:50,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 162 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:50,220 INFO L231 Difference]: Finished difference. Result has 165 places, 160 transitions, 328 flow [2024-11-08 18:29:50,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=165, PETRI_TRANSITIONS=160} [2024-11-08 18:29:50,222 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -15 predicate places. [2024-11-08 18:29:50,223 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 160 transitions, 328 flow [2024-11-08 18:29:50,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 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) [2024-11-08 18:29:50,224 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:50,224 INFO L204 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] [2024-11-08 18:29:50,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:29:50,225 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:50,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:50,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1901464598, now seen corresponding path program 1 times [2024-11-08 18:29:50,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:50,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634418383] [2024-11-08 18:29:50,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:50,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:50,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:50,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:50,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634418383] [2024-11-08 18:29:50,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634418383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:50,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:50,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:50,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707522738] [2024-11-08 18:29:50,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:50,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:50,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:50,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:50,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:50,385 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 183 [2024-11-08 18:29:50,386 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 160 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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) [2024-11-08 18:29:50,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:50,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 183 [2024-11-08 18:29:50,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:50,513 INFO L124 PetriNetUnfolderBase]: 65/510 cut-off events. [2024-11-08 18:29:50,513 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:50,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 510 events. 65/510 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2763 event pairs, 24 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 626. Up to 87 conditions per place. [2024-11-08 18:29:50,521 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 16 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2024-11-08 18:29:50,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 161 transitions, 366 flow [2024-11-08 18:29:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:50,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:50,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2024-11-08 18:29:50,525 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8542805100182149 [2024-11-08 18:29:50,525 INFO L175 Difference]: Start difference. First operand has 165 places, 160 transitions, 328 flow. Second operand 3 states and 469 transitions. [2024-11-08 18:29:50,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 161 transitions, 366 flow [2024-11-08 18:29:50,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:50,529 INFO L231 Difference]: Finished difference. Result has 164 places, 159 transitions, 326 flow [2024-11-08 18:29:50,530 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=164, PETRI_TRANSITIONS=159} [2024-11-08 18:29:50,533 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -16 predicate places. [2024-11-08 18:29:50,533 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 159 transitions, 326 flow [2024-11-08 18:29:50,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 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) [2024-11-08 18:29:50,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:50,535 INFO L204 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] [2024-11-08 18:29:50,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:29:50,535 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:50,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:50,536 INFO L85 PathProgramCache]: Analyzing trace with hash 964852673, now seen corresponding path program 1 times [2024-11-08 18:29:50,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:50,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192022707] [2024-11-08 18:29:50,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:50,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:50,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:50,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192022707] [2024-11-08 18:29:50,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192022707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:50,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:50,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:50,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250516238] [2024-11-08 18:29:50,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:50,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:50,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:50,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:50,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:50,656 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-08 18:29:50,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 159 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 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) [2024-11-08 18:29:50,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:50,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-08 18:29:50,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:50,755 INFO L124 PetriNetUnfolderBase]: 37/358 cut-off events. [2024-11-08 18:29:50,755 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:50,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 358 events. 37/358 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1733 event pairs, 16 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 434. Up to 40 conditions per place. [2024-11-08 18:29:50,761 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 13 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2024-11-08 18:29:50,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 159 transitions, 356 flow [2024-11-08 18:29:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:50,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:50,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-08 18:29:50,767 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2024-11-08 18:29:50,767 INFO L175 Difference]: Start difference. First operand has 164 places, 159 transitions, 326 flow. Second operand 3 states and 473 transitions. [2024-11-08 18:29:50,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 159 transitions, 356 flow [2024-11-08 18:29:50,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:50,771 INFO L231 Difference]: Finished difference. Result has 162 places, 157 transitions, 322 flow [2024-11-08 18:29:50,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=162, PETRI_TRANSITIONS=157} [2024-11-08 18:29:50,772 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -18 predicate places. [2024-11-08 18:29:50,772 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 157 transitions, 322 flow [2024-11-08 18:29:50,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 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) [2024-11-08 18:29:50,774 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:50,774 INFO L204 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] [2024-11-08 18:29:50,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:29:50,775 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:50,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:50,775 INFO L85 PathProgramCache]: Analyzing trace with hash -207772157, now seen corresponding path program 1 times [2024-11-08 18:29:50,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:50,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541228282] [2024-11-08 18:29:50,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:50,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:50,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:50,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:50,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541228282] [2024-11-08 18:29:50,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541228282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:50,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:50,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:50,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056126142] [2024-11-08 18:29:50,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:50,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:50,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:50,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:50,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:50,882 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-08 18:29:50,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 157 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 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) [2024-11-08 18:29:50,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:50,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-08 18:29:50,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:50,989 INFO L124 PetriNetUnfolderBase]: 37/428 cut-off events. [2024-11-08 18:29:50,990 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:50,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 428 events. 37/428 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2084 event pairs, 10 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 504. Up to 40 conditions per place. [2024-11-08 18:29:50,996 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 13 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-08 18:29:50,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 157 transitions, 352 flow [2024-11-08 18:29:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:50,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-08 18:29:50,998 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2024-11-08 18:29:50,998 INFO L175 Difference]: Start difference. First operand has 162 places, 157 transitions, 322 flow. Second operand 3 states and 473 transitions. [2024-11-08 18:29:50,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 157 transitions, 352 flow [2024-11-08 18:29:51,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 157 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:51,002 INFO L231 Difference]: Finished difference. Result has 160 places, 155 transitions, 318 flow [2024-11-08 18:29:51,003 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=160, PETRI_TRANSITIONS=155} [2024-11-08 18:29:51,004 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -20 predicate places. [2024-11-08 18:29:51,004 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 155 transitions, 318 flow [2024-11-08 18:29:51,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 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) [2024-11-08 18:29:51,005 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:51,005 INFO L204 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] [2024-11-08 18:29:51,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:29:51,006 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:51,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:51,007 INFO L85 PathProgramCache]: Analyzing trace with hash 2041612609, now seen corresponding path program 1 times [2024-11-08 18:29:51,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:51,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985917306] [2024-11-08 18:29:51,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:51,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:51,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:51,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985917306] [2024-11-08 18:29:51,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985917306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:51,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:51,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:51,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682119581] [2024-11-08 18:29:51,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:51,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:51,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:51,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:51,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:51,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-08 18:29:51,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 155 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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) [2024-11-08 18:29:51,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:51,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-08 18:29:51,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:51,196 INFO L124 PetriNetUnfolderBase]: 52/363 cut-off events. [2024-11-08 18:29:51,196 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:51,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 480 conditions, 363 events. 52/363 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1678 event pairs, 26 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 476. Up to 72 conditions per place. [2024-11-08 18:29:51,202 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2024-11-08 18:29:51,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 157 transitions, 358 flow [2024-11-08 18:29:51,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:51,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-11-08 18:29:51,204 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8633879781420765 [2024-11-08 18:29:51,205 INFO L175 Difference]: Start difference. First operand has 160 places, 155 transitions, 318 flow. Second operand 3 states and 474 transitions. [2024-11-08 18:29:51,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 157 transitions, 358 flow [2024-11-08 18:29:51,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 157 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:51,209 INFO L231 Difference]: Finished difference. Result has 159 places, 154 transitions, 316 flow [2024-11-08 18:29:51,209 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=159, PETRI_TRANSITIONS=154} [2024-11-08 18:29:51,210 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -21 predicate places. [2024-11-08 18:29:51,210 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 154 transitions, 316 flow [2024-11-08 18:29:51,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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) [2024-11-08 18:29:51,211 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:51,211 INFO L204 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] [2024-11-08 18:29:51,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:29:51,212 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:51,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:51,213 INFO L85 PathProgramCache]: Analyzing trace with hash -692026252, now seen corresponding path program 1 times [2024-11-08 18:29:51,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:51,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755569122] [2024-11-08 18:29:51,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:51,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:51,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:51,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755569122] [2024-11-08 18:29:51,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755569122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:51,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:51,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:51,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125350718] [2024-11-08 18:29:51,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:51,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:51,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:51,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:51,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:51,295 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 183 [2024-11-08 18:29:51,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 154 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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) [2024-11-08 18:29:51,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:51,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 183 [2024-11-08 18:29:51,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:51,387 INFO L124 PetriNetUnfolderBase]: 33/391 cut-off events. [2024-11-08 18:29:51,387 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:51,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 391 events. 33/391 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1774 event pairs, 6 based on Foata normal form. 0/351 useless extension candidates. Maximal degree in co-relation 459. Up to 40 conditions per place. [2024-11-08 18:29:51,392 INFO L140 encePairwiseOnDemand]: 178/183 looper letters, 11 selfloop transitions, 3 changer transitions 0/154 dead transitions. [2024-11-08 18:29:51,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 154 transitions, 344 flow [2024-11-08 18:29:51,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:51,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2024-11-08 18:29:51,395 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652094717668488 [2024-11-08 18:29:51,396 INFO L175 Difference]: Start difference. First operand has 159 places, 154 transitions, 316 flow. Second operand 3 states and 475 transitions. [2024-11-08 18:29:51,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 154 transitions, 344 flow [2024-11-08 18:29:51,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 154 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:51,400 INFO L231 Difference]: Finished difference. Result has 157 places, 152 transitions, 314 flow [2024-11-08 18:29:51,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=314, PETRI_PLACES=157, PETRI_TRANSITIONS=152} [2024-11-08 18:29:51,402 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -23 predicate places. [2024-11-08 18:29:51,402 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 152 transitions, 314 flow [2024-11-08 18:29:51,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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) [2024-11-08 18:29:51,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:51,403 INFO L204 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] [2024-11-08 18:29:51,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:29:51,404 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:51,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:51,404 INFO L85 PathProgramCache]: Analyzing trace with hash 682717269, now seen corresponding path program 1 times [2024-11-08 18:29:51,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:51,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254356558] [2024-11-08 18:29:51,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:51,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:51,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:51,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:51,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254356558] [2024-11-08 18:29:51,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254356558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:51,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:51,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:51,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651061040] [2024-11-08 18:29:51,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:51,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:51,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:51,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:51,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:51,479 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 183 [2024-11-08 18:29:51,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 152 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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) [2024-11-08 18:29:51,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:51,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 183 [2024-11-08 18:29:51,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:51,575 INFO L124 PetriNetUnfolderBase]: 35/387 cut-off events. [2024-11-08 18:29:51,575 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:51,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 387 events. 35/387 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1640 event pairs, 10 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 463. Up to 32 conditions per place. [2024-11-08 18:29:51,580 INFO L140 encePairwiseOnDemand]: 179/183 looper letters, 12 selfloop transitions, 2 changer transitions 0/152 dead transitions. [2024-11-08 18:29:51,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 152 transitions, 342 flow [2024-11-08 18:29:51,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:51,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:51,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 475 transitions. [2024-11-08 18:29:51,583 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8652094717668488 [2024-11-08 18:29:51,583 INFO L175 Difference]: Start difference. First operand has 157 places, 152 transitions, 314 flow. Second operand 3 states and 475 transitions. [2024-11-08 18:29:51,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 152 transitions, 342 flow [2024-11-08 18:29:51,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 152 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:51,587 INFO L231 Difference]: Finished difference. Result has 155 places, 150 transitions, 308 flow [2024-11-08 18:29:51,588 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=155, PETRI_TRANSITIONS=150} [2024-11-08 18:29:51,589 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -25 predicate places. [2024-11-08 18:29:51,589 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 150 transitions, 308 flow [2024-11-08 18:29:51,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 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) [2024-11-08 18:29:51,590 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:51,590 INFO L204 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] [2024-11-08 18:29:51,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 18:29:51,591 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:51,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:51,591 INFO L85 PathProgramCache]: Analyzing trace with hash -636806795, now seen corresponding path program 1 times [2024-11-08 18:29:51,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:51,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862357866] [2024-11-08 18:29:51,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:51,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:51,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:51,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:51,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862357866] [2024-11-08 18:29:51,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862357866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:51,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:51,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:51,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525408180] [2024-11-08 18:29:51,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:51,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:51,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:51,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:51,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:51,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-08 18:29:51,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 150 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:29:51,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:51,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-08 18:29:51,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:51,765 INFO L124 PetriNetUnfolderBase]: 37/313 cut-off events. [2024-11-08 18:29:51,766 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:51,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 313 events. 37/313 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1451 event pairs, 22 based on Foata normal form. 0/281 useless extension candidates. Maximal degree in co-relation 393. Up to 55 conditions per place. [2024-11-08 18:29:51,771 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/151 dead transitions. [2024-11-08 18:29:51,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 151 transitions, 342 flow [2024-11-08 18:29:51,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:51,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:51,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-08 18:29:51,774 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2024-11-08 18:29:51,774 INFO L175 Difference]: Start difference. First operand has 155 places, 150 transitions, 308 flow. Second operand 3 states and 473 transitions. [2024-11-08 18:29:51,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 151 transitions, 342 flow [2024-11-08 18:29:51,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 151 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:51,778 INFO L231 Difference]: Finished difference. Result has 154 places, 149 transitions, 306 flow [2024-11-08 18:29:51,778 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=154, PETRI_TRANSITIONS=149} [2024-11-08 18:29:51,779 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -26 predicate places. [2024-11-08 18:29:51,779 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 149 transitions, 306 flow [2024-11-08 18:29:51,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:29:51,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:51,780 INFO L204 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] [2024-11-08 18:29:51,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 18:29:51,781 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:51,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:51,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1748513675, now seen corresponding path program 1 times [2024-11-08 18:29:51,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:51,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351073016] [2024-11-08 18:29:51,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:51,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:51,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:51,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351073016] [2024-11-08 18:29:51,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351073016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:51,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:51,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:51,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555608651] [2024-11-08 18:29:51,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:51,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:51,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:51,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:51,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:51,859 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 183 [2024-11-08 18:29:51,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 149 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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) [2024-11-08 18:29:51,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:51,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 183 [2024-11-08 18:29:51,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:51,946 INFO L124 PetriNetUnfolderBase]: 41/415 cut-off events. [2024-11-08 18:29:51,946 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:51,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 415 events. 41/415 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1996 event pairs, 26 based on Foata normal form. 0/385 useless extension candidates. Maximal degree in co-relation 499. Up to 59 conditions per place. [2024-11-08 18:29:51,951 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 14 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2024-11-08 18:29:51,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 150 transitions, 340 flow [2024-11-08 18:29:51,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 473 transitions. [2024-11-08 18:29:51,953 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8615664845173042 [2024-11-08 18:29:51,954 INFO L175 Difference]: Start difference. First operand has 154 places, 149 transitions, 306 flow. Second operand 3 states and 473 transitions. [2024-11-08 18:29:51,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 150 transitions, 340 flow [2024-11-08 18:29:51,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 150 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:51,957 INFO L231 Difference]: Finished difference. Result has 153 places, 148 transitions, 304 flow [2024-11-08 18:29:51,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=153, PETRI_TRANSITIONS=148} [2024-11-08 18:29:51,959 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -27 predicate places. [2024-11-08 18:29:51,959 INFO L471 AbstractCegarLoop]: Abstraction has has 153 places, 148 transitions, 304 flow [2024-11-08 18:29:51,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 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) [2024-11-08 18:29:51,960 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:51,960 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:51,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 18:29:51,960 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:51,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:51,961 INFO L85 PathProgramCache]: Analyzing trace with hash 782031863, now seen corresponding path program 1 times [2024-11-08 18:29:51,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:51,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472671275] [2024-11-08 18:29:51,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:51,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:52,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:52,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472671275] [2024-11-08 18:29:52,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472671275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:52,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:52,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:52,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100856644] [2024-11-08 18:29:52,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:52,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:52,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:52,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:52,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:52,050 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 183 [2024-11-08 18:29:52,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 148 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-11-08 18:29:52,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:52,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 183 [2024-11-08 18:29:52,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:52,132 INFO L124 PetriNetUnfolderBase]: 45/415 cut-off events. [2024-11-08 18:29:52,132 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:52,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 515 conditions, 415 events. 45/415 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1994 event pairs, 30 based on Foata normal form. 0/389 useless extension candidates. Maximal degree in co-relation 511. Up to 67 conditions per place. [2024-11-08 18:29:52,137 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2024-11-08 18:29:52,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 149 transitions, 340 flow [2024-11-08 18:29:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:52,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2024-11-08 18:29:52,140 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8579234972677595 [2024-11-08 18:29:52,140 INFO L175 Difference]: Start difference. First operand has 153 places, 148 transitions, 304 flow. Second operand 3 states and 471 transitions. [2024-11-08 18:29:52,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 149 transitions, 340 flow [2024-11-08 18:29:52,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 149 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:52,144 INFO L231 Difference]: Finished difference. Result has 152 places, 147 transitions, 302 flow [2024-11-08 18:29:52,144 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=152, PETRI_TRANSITIONS=147} [2024-11-08 18:29:52,145 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -28 predicate places. [2024-11-08 18:29:52,145 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 147 transitions, 302 flow [2024-11-08 18:29:52,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 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) [2024-11-08 18:29:52,146 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:52,146 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:52,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 18:29:52,147 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:52,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:52,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1609061855, now seen corresponding path program 1 times [2024-11-08 18:29:52,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:52,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739842851] [2024-11-08 18:29:52,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:52,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:52,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:52,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:52,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739842851] [2024-11-08 18:29:52,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739842851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:52,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:52,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:52,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529047434] [2024-11-08 18:29:52,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:52,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:52,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:52,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:52,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:52,197 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 183 [2024-11-08 18:29:52,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 147 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 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) [2024-11-08 18:29:52,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:52,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 183 [2024-11-08 18:29:52,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:52,292 INFO L124 PetriNetUnfolderBase]: 39/507 cut-off events. [2024-11-08 18:29:52,292 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:52,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 507 events. 39/507 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2125 event pairs, 10 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 581. Up to 35 conditions per place. [2024-11-08 18:29:52,297 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 12 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2024-11-08 18:29:52,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 150 transitions, 336 flow [2024-11-08 18:29:52,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:52,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 483 transitions. [2024-11-08 18:29:52,300 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8797814207650273 [2024-11-08 18:29:52,300 INFO L175 Difference]: Start difference. First operand has 152 places, 147 transitions, 302 flow. Second operand 3 states and 483 transitions. [2024-11-08 18:29:52,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 150 transitions, 336 flow [2024-11-08 18:29:52,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 150 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:52,305 INFO L231 Difference]: Finished difference. Result has 152 places, 147 transitions, 306 flow [2024-11-08 18:29:52,305 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=152, PETRI_TRANSITIONS=147} [2024-11-08 18:29:52,306 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -28 predicate places. [2024-11-08 18:29:52,306 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 147 transitions, 306 flow [2024-11-08 18:29:52,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 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) [2024-11-08 18:29:52,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:52,307 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:52,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 18:29:52,307 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:52,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:52,308 INFO L85 PathProgramCache]: Analyzing trace with hash -421223930, now seen corresponding path program 1 times [2024-11-08 18:29:52,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:52,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658110847] [2024-11-08 18:29:52,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:52,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:52,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:52,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658110847] [2024-11-08 18:29:52,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658110847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:52,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:52,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:52,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575506115] [2024-11-08 18:29:52,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:52,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:52,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:52,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:52,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:52,395 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 183 [2024-11-08 18:29:52,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 147 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 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) [2024-11-08 18:29:52,396 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:52,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 183 [2024-11-08 18:29:52,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:52,530 INFO L124 PetriNetUnfolderBase]: 57/555 cut-off events. [2024-11-08 18:29:52,530 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-08 18:29:52,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 688 conditions, 555 events. 57/555 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2751 event pairs, 42 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 683. Up to 91 conditions per place. [2024-11-08 18:29:52,537 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 15 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2024-11-08 18:29:52,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 148 transitions, 342 flow [2024-11-08 18:29:52,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:52,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 471 transitions. [2024-11-08 18:29:52,539 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8579234972677595 [2024-11-08 18:29:52,540 INFO L175 Difference]: Start difference. First operand has 152 places, 147 transitions, 306 flow. Second operand 3 states and 471 transitions. [2024-11-08 18:29:52,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 148 transitions, 342 flow [2024-11-08 18:29:52,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 148 transitions, 340 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 18:29:52,544 INFO L231 Difference]: Finished difference. Result has 152 places, 146 transitions, 306 flow [2024-11-08 18:29:52,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=152, PETRI_TRANSITIONS=146} [2024-11-08 18:29:52,545 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -28 predicate places. [2024-11-08 18:29:52,545 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 146 transitions, 306 flow [2024-11-08 18:29:52,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 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) [2024-11-08 18:29:52,546 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:29:52,546 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:52,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 18:29:52,547 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2024-11-08 18:29:52,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:29:52,547 INFO L85 PathProgramCache]: Analyzing trace with hash -576310369, now seen corresponding path program 1 times [2024-11-08 18:29:52,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:29:52,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909336812] [2024-11-08 18:29:52,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:29:52,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:29:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:29:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:29:52,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:29:52,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909336812] [2024-11-08 18:29:52,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909336812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:29:52,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:29:52,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:29:52,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058378404] [2024-11-08 18:29:52,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:29:52,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:29:52,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:29:52,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:29:52,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:29:52,620 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 183 [2024-11-08 18:29:52,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 146 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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) [2024-11-08 18:29:52,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:29:52,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 183 [2024-11-08 18:29:52,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:29:52,720 INFO L124 PetriNetUnfolderBase]: 61/555 cut-off events. [2024-11-08 18:29:52,720 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:29:52,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 700 conditions, 555 events. 61/555 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2706 event pairs, 46 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 695. Up to 99 conditions per place. [2024-11-08 18:29:52,725 INFO L140 encePairwiseOnDemand]: 180/183 looper letters, 0 selfloop transitions, 0 changer transitions 147/147 dead transitions. [2024-11-08 18:29:52,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 147 transitions, 344 flow [2024-11-08 18:29:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:29:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:29:52,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2024-11-08 18:29:52,728 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8542805100182149 [2024-11-08 18:29:52,728 INFO L175 Difference]: Start difference. First operand has 152 places, 146 transitions, 306 flow. Second operand 3 states and 469 transitions. [2024-11-08 18:29:52,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 147 transitions, 344 flow [2024-11-08 18:29:52,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 147 transitions, 340 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:29:52,732 INFO L231 Difference]: Finished difference. Result has 151 places, 0 transitions, 0 flow [2024-11-08 18:29:52,732 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=151, PETRI_TRANSITIONS=0} [2024-11-08 18:29:52,733 INFO L277 CegarLoopForPetriNet]: 180 programPoint places, -29 predicate places. [2024-11-08 18:29:52,733 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 0 transitions, 0 flow [2024-11-08 18:29:52,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 153.66666666666666) internal successors, (461), 3 states have internal predecessors, (461), 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) [2024-11-08 18:29:52,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2024-11-08 18:29:52,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-11-08 18:29:52,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-11-08 18:29:52,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-11-08 18:29:52,738 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-11-08 18:29:52,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-11-08 18:29:52,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-11-08 18:29:52,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-11-08 18:29:52,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-11-08 18:29:52,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-11-08 18:29:52,739 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-11-08 18:29:52,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-11-08 18:29:52,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-11-08 18:29:52,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-11-08 18:29:52,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-11-08 18:29:52,740 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-11-08 18:29:52,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2024-11-08 18:29:52,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2024-11-08 18:29:52,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-11-08 18:29:52,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-11-08 18:29:52,741 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-11-08 18:29:52,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-11-08 18:29:52,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-11-08 18:29:52,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-11-08 18:29:52,742 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-11-08 18:29:52,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-11-08 18:29:52,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-11-08 18:29:52,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2024-11-08 18:29:52,743 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2024-11-08 18:29:52,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2024-11-08 18:29:52,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-11-08 18:29:52,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-11-08 18:29:52,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-11-08 18:29:52,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-11-08 18:29:52,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-11-08 18:29:52,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-11-08 18:29:52,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-11-08 18:29:52,745 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-11-08 18:29:52,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-11-08 18:29:52,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-11-08 18:29:52,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-11-08 18:29:52,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-11-08 18:29:52,746 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-11-08 18:29:52,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-11-08 18:29:52,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-11-08 18:29:52,747 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-11-08 18:29:52,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 18:29:52,748 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:29:52,754 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 18:29:52,755 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:29:52,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:29:52 BasicIcfg [2024-11-08 18:29:52,762 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:29:52,762 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:29:52,762 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:29:52,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:29:52,763 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:29:48" (3/4) ... [2024-11-08 18:29:52,765 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 18:29:52,769 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2024-11-08 18:29:52,769 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2024-11-08 18:29:52,775 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-08 18:29:52,775 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-08 18:29:52,775 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 18:29:52,775 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 18:29:52,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:29:52,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 18:29:52,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:29:52,906 INFO L158 Benchmark]: Toolchain (without parser) took 6556.71ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 124.5MB in the beginning and 112.0MB in the end (delta: 12.5MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2024-11-08 18:29:52,908 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:29:52,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 733.58ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 102.0MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 18:29:52,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.03ms. Allocated memory is still 157.3MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:29:52,909 INFO L158 Benchmark]: Boogie Preprocessor took 47.35ms. Allocated memory is still 157.3MB. Free memory was 99.9MB in the beginning and 98.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:29:52,909 INFO L158 Benchmark]: RCFGBuilder took 965.39ms. Allocated memory is still 157.3MB. Free memory was 98.4MB in the beginning and 72.6MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 18:29:52,910 INFO L158 Benchmark]: TraceAbstraction took 4579.65ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 72.0MB in the beginning and 117.2MB in the end (delta: -45.2MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-08 18:29:52,910 INFO L158 Benchmark]: Witness Printer took 143.55ms. Allocated memory is still 232.8MB. Free memory was 117.2MB in the beginning and 112.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:29:52,913 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 733.58ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 102.0MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.03ms. Allocated memory is still 157.3MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.35ms. Allocated memory is still 157.3MB. Free memory was 99.9MB in the beginning and 98.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 965.39ms. Allocated memory is still 157.3MB. Free memory was 98.4MB in the beginning and 72.6MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4579.65ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 72.0MB in the beginning and 117.2MB in the end (delta: -45.2MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Witness Printer took 143.55ms. Allocated memory is still 232.8MB. Free memory was 117.2MB in the beginning and 112.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 236 locations, 46 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.3s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 113 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 509 IncrementalHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 70 mSDtfsCounter, 509 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=0, InterpolantAutomatonStates: 47, 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, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 745 NumberOfCodeBlocks, 745 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 759 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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 30 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 18:29:52,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccfb7d4d-2ee2-48a4-8f21-61a4837b07cf/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE