./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-deagle/reorder_c11_good-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-deagle/reorder_c11_good-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd --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 e9f2c63b5b236ffd2c3c18bb3989267f7d1d50794d9317a52e37b9cf94f3ba35 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:40:25,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:40:25,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:40:25,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:40:25,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:40:26,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:40:26,041 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:40:26,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:40:26,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:40:26,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:40:26,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:40:26,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:40:26,043 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:40:26,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:40:26,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:40:26,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:40:26,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:40:26,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:40:26,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:40:26,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:40:26,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:40:26,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:40:26,048 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:40:26,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:40:26,048 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:40:26,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:40:26,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:40:26,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:40:26,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:40:26,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:40:26,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:40:26,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:40:26,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:40:26,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:40:26,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:40:26,049 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:40:26,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:40:26,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:40:26,049 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:40:26,051 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:40:26,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:40:26,051 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd 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 -> e9f2c63b5b236ffd2c3c18bb3989267f7d1d50794d9317a52e37b9cf94f3ba35 [2024-11-13 13:40:26,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:40:26,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:40:26,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:40:26,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:40:26,469 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:40:26,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-deagle/reorder_c11_good-30.i Unable to find full path for "g++" [2024-11-13 13:40:28,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:40:29,441 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:40:29,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/sv-benchmarks/c/pthread-deagle/reorder_c11_good-30.i [2024-11-13 13:40:29,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/data/c7816b08b/dfa5770b53ae45d1bebd6b8712762fc5/FLAG8b4e380ed [2024-11-13 13:40:29,498 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/data/c7816b08b/dfa5770b53ae45d1bebd6b8712762fc5 [2024-11-13 13:40:29,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:40:29,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:40:29,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:40:29,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:40:29,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:40:29,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:40:29" (1/1) ... [2024-11-13 13:40:29,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38bb6e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:29, skipping insertion in model container [2024-11-13 13:40:29,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:40:29" (1/1) ... [2024-11-13 13:40:29,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:40:30,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:40:30,125 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:40:30,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:40:30,286 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:40:30,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30 WrapperNode [2024-11-13 13:40:30,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:40:30,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:40:30,289 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:40:30,289 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:40:30,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (1/1) ... [2024-11-13 13:40:30,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (1/1) ... [2024-11-13 13:40:30,375 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 169 [2024-11-13 13:40:30,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:40:30,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:40:30,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:40:30,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:40:30,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (1/1) ... [2024-11-13 13:40:30,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (1/1) ... [2024-11-13 13:40:30,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (1/1) ... [2024-11-13 13:40:30,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (1/1) ... [2024-11-13 13:40:30,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (1/1) ... [2024-11-13 13:40:30,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (1/1) ... [2024-11-13 13:40:30,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (1/1) ... [2024-11-13 13:40:30,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (1/1) ... [2024-11-13 13:40:30,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:40:30,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:40:30,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:40:30,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:40:30,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (1/1) ... [2024-11-13 13:40:30,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:40:30,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:30,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:40:30,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:40:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 13:40:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-13 13:40:30,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-13 13:40:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 13:40:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 13:40:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:40:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:40:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:40:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-13 13:40:30,552 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-13 13:40:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:40:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 13:40:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:40:30,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:40:30,554 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:40:30,755 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:40:30,757 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:40:31,382 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:40:31,383 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:40:31,464 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:40:31,469 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 13:40:31,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:40:31 BoogieIcfgContainer [2024-11-13 13:40:31,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:40:31,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:40:31,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:40:31,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:40:31,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:40:29" (1/3) ... [2024-11-13 13:40:31,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440486e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:40:31, skipping insertion in model container [2024-11-13 13:40:31,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:40:30" (2/3) ... [2024-11-13 13:40:31,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440486e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:40:31, skipping insertion in model container [2024-11-13 13:40:31,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:40:31" (3/3) ... [2024-11-13 13:40:31,484 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_c11_good-30.i [2024-11-13 13:40:31,506 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:40:31,509 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG reorder_c11_good-30.i that has 3 procedures, 203 locations, 1 initial locations, 4 loop locations, and 30 error locations. [2024-11-13 13:40:31,510 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:40:31,644 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-13 13:40:31,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 209 places, 217 transitions, 454 flow [2024-11-13 13:40:32,013 INFO L124 PetriNetUnfolderBase]: 32/556 cut-off events. [2024-11-13 13:40:32,019 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-13 13:40:32,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 573 conditions, 556 events. 32/556 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2222 event pairs, 0 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 266. Up to 8 conditions per place. [2024-11-13 13:40:32,040 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 217 transitions, 454 flow [2024-11-13 13:40:32,056 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 217 transitions, 454 flow [2024-11-13 13:40:32,068 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:40:32,091 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;@9b14871, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:40:32,091 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-11-13 13:40:32,099 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:40:32,100 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-13 13:40:32,100 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:40:32,101 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:32,103 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] [2024-11-13 13:40:32,105 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-13 13:40:32,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:32,111 INFO L85 PathProgramCache]: Analyzing trace with hash -2134527862, now seen corresponding path program 1 times [2024-11-13 13:40:32,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:32,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477250573] [2024-11-13 13:40:32,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:32,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:32,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:32,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:32,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477250573] [2024-11-13 13:40:32,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477250573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:32,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:32,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:32,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721854791] [2024-11-13 13:40:32,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:32,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:32,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:32,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:32,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:32,647 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 217 [2024-11-13 13:40:32,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 217 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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) [2024-11-13 13:40:32,655 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:32,655 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 217 [2024-11-13 13:40:32,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:32,984 INFO L124 PetriNetUnfolderBase]: 85/973 cut-off events. [2024-11-13 13:40:32,984 INFO L125 PetriNetUnfolderBase]: For 43/45 co-relation queries the response was YES. [2024-11-13 13:40:32,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 973 events. 85/973 cut-off events. For 43/45 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 5314 event pairs, 64 based on Foata normal form. 45/837 useless extension candidates. Maximal degree in co-relation 872. Up to 207 conditions per place. [2024-11-13 13:40:32,996 INFO L140 encePairwiseOnDemand]: 207/217 looper letters, 31 selfloop transitions, 2 changer transitions 0/200 dead transitions. [2024-11-13 13:40:32,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 200 transitions, 486 flow [2024-11-13 13:40:32,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:40:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 560 transitions. [2024-11-13 13:40:33,019 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8602150537634409 [2024-11-13 13:40:33,023 INFO L175 Difference]: Start difference. First operand has 209 places, 217 transitions, 454 flow. Second operand 3 states and 560 transitions. [2024-11-13 13:40:33,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 200 transitions, 486 flow [2024-11-13 13:40:33,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 200 transitions, 486 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:40:33,044 INFO L231 Difference]: Finished difference. Result has 200 places, 200 transitions, 424 flow [2024-11-13 13:40:33,048 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=200, PETRI_TRANSITIONS=200} [2024-11-13 13:40:33,052 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -9 predicate places. [2024-11-13 13:40:33,054 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 200 transitions, 424 flow [2024-11-13 13:40:33,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.33333333333334) internal successors, (523), 3 states have internal predecessors, (523), 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) [2024-11-13 13:40:33,056 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:33,056 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] [2024-11-13 13:40:33,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:40:33,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-13 13:40:33,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:33,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1566676806, now seen corresponding path program 1 times [2024-11-13 13:40:33,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:33,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730301298] [2024-11-13 13:40:33,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:33,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:33,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:33,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730301298] [2024-11-13 13:40:33,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730301298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:33,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:33,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:33,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395155413] [2024-11-13 13:40:33,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:33,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:33,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:33,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:33,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:33,356 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 217 [2024-11-13 13:40:33,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 200 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 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) [2024-11-13 13:40:33,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:33,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 217 [2024-11-13 13:40:33,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:33,654 INFO L124 PetriNetUnfolderBase]: 117/984 cut-off events. [2024-11-13 13:40:33,656 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-11-13 13:40:33,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1312 conditions, 984 events. 117/984 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 5299 event pairs, 78 based on Foata normal form. 0/866 useless extension candidates. Maximal degree in co-relation 1283. Up to 243 conditions per place. [2024-11-13 13:40:33,668 INFO L140 encePairwiseOnDemand]: 194/217 looper letters, 31 selfloop transitions, 11 changer transitions 0/190 dead transitions. [2024-11-13 13:40:33,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 190 transitions, 488 flow [2024-11-13 13:40:33,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:40:33,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 519 transitions. [2024-11-13 13:40:33,677 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7972350230414746 [2024-11-13 13:40:33,677 INFO L175 Difference]: Start difference. First operand has 200 places, 200 transitions, 424 flow. Second operand 3 states and 519 transitions. [2024-11-13 13:40:33,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 190 transitions, 488 flow [2024-11-13 13:40:33,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 190 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:40:33,685 INFO L231 Difference]: Finished difference. Result has 188 places, 188 transitions, 418 flow [2024-11-13 13:40:33,686 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=188, PETRI_TRANSITIONS=188} [2024-11-13 13:40:33,687 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -21 predicate places. [2024-11-13 13:40:33,687 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 188 transitions, 418 flow [2024-11-13 13:40:33,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 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) [2024-11-13 13:40:33,689 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:33,689 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] [2024-11-13 13:40:33,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:40:33,690 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-13 13:40:33,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:33,690 INFO L85 PathProgramCache]: Analyzing trace with hash 298574325, now seen corresponding path program 1 times [2024-11-13 13:40:33,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:33,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582922445] [2024-11-13 13:40:33,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:33,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:33,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:33,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582922445] [2024-11-13 13:40:33,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582922445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:33,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:33,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:40:33,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589387481] [2024-11-13 13:40:33,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:33,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:33,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:33,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:33,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:34,041 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 217 [2024-11-13 13:40:34,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 188 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2024-11-13 13:40:34,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:34,043 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 217 [2024-11-13 13:40:34,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:34,195 INFO L124 PetriNetUnfolderBase]: 27/504 cut-off events. [2024-11-13 13:40:34,195 INFO L125 PetriNetUnfolderBase]: For 32/36 co-relation queries the response was YES. [2024-11-13 13:40:34,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 504 events. 27/504 cut-off events. For 32/36 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1534 event pairs, 10 based on Foata normal form. 6/459 useless extension candidates. Maximal degree in co-relation 436. Up to 39 conditions per place. [2024-11-13 13:40:34,201 INFO L140 encePairwiseOnDemand]: 205/217 looper letters, 17 selfloop transitions, 8 changer transitions 9/193 dead transitions. [2024-11-13 13:40:34,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 193 transitions, 486 flow [2024-11-13 13:40:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:40:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2024-11-13 13:40:34,205 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9032258064516129 [2024-11-13 13:40:34,206 INFO L175 Difference]: Start difference. First operand has 188 places, 188 transitions, 418 flow. Second operand 3 states and 588 transitions. [2024-11-13 13:40:34,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 193 transitions, 486 flow [2024-11-13 13:40:34,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 193 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:40:34,217 INFO L231 Difference]: Finished difference. Result has 189 places, 180 transitions, 412 flow [2024-11-13 13:40:34,217 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=189, PETRI_TRANSITIONS=180} [2024-11-13 13:40:34,218 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -20 predicate places. [2024-11-13 13:40:34,218 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 180 transitions, 412 flow [2024-11-13 13:40:34,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2024-11-13 13:40:34,219 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:34,219 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] [2024-11-13 13:40:34,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:40:34,219 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-13 13:40:34,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:34,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1419784286, now seen corresponding path program 1 times [2024-11-13 13:40:34,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:34,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874484499] [2024-11-13 13:40:34,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:34,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:34,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:35,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874484499] [2024-11-13 13:40:35,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874484499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:35,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:35,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:40:35,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6305363] [2024-11-13 13:40:35,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:35,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:40:35,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:35,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:40:35,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:40:35,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 217 [2024-11-13 13:40:35,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 180 transitions, 412 flow. Second operand has 6 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 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) [2024-11-13 13:40:35,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:35,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 217 [2024-11-13 13:40:35,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:35,643 INFO L124 PetriNetUnfolderBase]: 83/713 cut-off events. [2024-11-13 13:40:35,643 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-13 13:40:35,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1006 conditions, 713 events. 83/713 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2700 event pairs, 5 based on Foata normal form. 0/656 useless extension candidates. Maximal degree in co-relation 794. Up to 193 conditions per place. [2024-11-13 13:40:35,652 INFO L140 encePairwiseOnDemand]: 211/217 looper letters, 42 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2024-11-13 13:40:35,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 187 transitions, 520 flow [2024-11-13 13:40:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:40:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:40:35,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1043 transitions. [2024-11-13 13:40:35,661 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8010752688172043 [2024-11-13 13:40:35,661 INFO L175 Difference]: Start difference. First operand has 189 places, 180 transitions, 412 flow. Second operand 6 states and 1043 transitions. [2024-11-13 13:40:35,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 187 transitions, 520 flow [2024-11-13 13:40:35,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 187 transitions, 512 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:40:35,667 INFO L231 Difference]: Finished difference. Result has 183 places, 179 transitions, 412 flow [2024-11-13 13:40:35,668 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=412, PETRI_PLACES=183, PETRI_TRANSITIONS=179} [2024-11-13 13:40:35,668 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -26 predicate places. [2024-11-13 13:40:35,669 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 179 transitions, 412 flow [2024-11-13 13:40:35,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 167.66666666666666) internal successors, (1006), 6 states have internal predecessors, (1006), 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) [2024-11-13 13:40:35,670 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:35,670 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] [2024-11-13 13:40:35,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:40:35,671 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-13 13:40:35,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:35,671 INFO L85 PathProgramCache]: Analyzing trace with hash -816091986, now seen corresponding path program 1 times [2024-11-13 13:40:35,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:35,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375691890] [2024-11-13 13:40:35,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:35,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:35,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:35,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:35,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375691890] [2024-11-13 13:40:35,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375691890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:35,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:35,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:35,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436973797] [2024-11-13 13:40:35,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:35,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:35,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:35,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:35,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:35,923 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 217 [2024-11-13 13:40:35,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 179 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2024-11-13 13:40:35,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:35,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 217 [2024-11-13 13:40:35,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:36,081 INFO L124 PetriNetUnfolderBase]: 63/695 cut-off events. [2024-11-13 13:40:36,084 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-13 13:40:36,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 695 events. 63/695 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2655 event pairs, 49 based on Foata normal form. 0/632 useless extension candidates. Maximal degree in co-relation 728. Up to 151 conditions per place. [2024-11-13 13:40:36,089 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 32 selfloop transitions, 2 changer transitions 0/180 dead transitions. [2024-11-13 13:40:36,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 180 transitions, 482 flow [2024-11-13 13:40:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:36,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:40:36,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2024-11-13 13:40:36,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8509984639016898 [2024-11-13 13:40:36,092 INFO L175 Difference]: Start difference. First operand has 183 places, 179 transitions, 412 flow. Second operand 3 states and 554 transitions. [2024-11-13 13:40:36,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 180 transitions, 482 flow [2024-11-13 13:40:36,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 180 transitions, 472 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:40:36,099 INFO L231 Difference]: Finished difference. Result has 179 places, 178 transitions, 404 flow [2024-11-13 13:40:36,100 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=179, PETRI_TRANSITIONS=178} [2024-11-13 13:40:36,100 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -30 predicate places. [2024-11-13 13:40:36,101 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 178 transitions, 404 flow [2024-11-13 13:40:36,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2024-11-13 13:40:36,101 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:36,101 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:36,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:40:36,102 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-13 13:40:36,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:36,102 INFO L85 PathProgramCache]: Analyzing trace with hash 62665647, now seen corresponding path program 1 times [2024-11-13 13:40:36,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:36,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307427467] [2024-11-13 13:40:36,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:36,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:36,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:36,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:36,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307427467] [2024-11-13 13:40:36,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307427467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:36,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407653759] [2024-11-13 13:40:36,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:36,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:36,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:36,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:36,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:40:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:36,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:40:36,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:36,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 13:40:36,470 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:40:36,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407653759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:36,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:40:36,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-13 13:40:36,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334271052] [2024-11-13 13:40:36,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:36,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:36,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:36,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:36,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:40:36,649 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 217 [2024-11-13 13:40:36,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 178 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2024-11-13 13:40:36,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:36,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 217 [2024-11-13 13:40:36,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:36,817 INFO L124 PetriNetUnfolderBase]: 63/679 cut-off events. [2024-11-13 13:40:36,817 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-13 13:40:36,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 898 conditions, 679 events. 63/679 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2557 event pairs, 49 based on Foata normal form. 0/616 useless extension candidates. Maximal degree in co-relation 702. Up to 151 conditions per place. [2024-11-13 13:40:36,824 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 32 selfloop transitions, 2 changer transitions 0/179 dead transitions. [2024-11-13 13:40:36,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 179 transitions, 474 flow [2024-11-13 13:40:36,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:40:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2024-11-13 13:40:36,826 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8509984639016898 [2024-11-13 13:40:36,827 INFO L175 Difference]: Start difference. First operand has 179 places, 178 transitions, 404 flow. Second operand 3 states and 554 transitions. [2024-11-13 13:40:36,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 179 transitions, 474 flow [2024-11-13 13:40:36,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 179 transitions, 470 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:40:36,836 INFO L231 Difference]: Finished difference. Result has 178 places, 177 transitions, 402 flow [2024-11-13 13:40:36,836 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=178, PETRI_TRANSITIONS=177} [2024-11-13 13:40:36,837 INFO L277 CegarLoopForPetriNet]: 209 programPoint places, -31 predicate places. [2024-11-13 13:40:36,837 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 177 transitions, 402 flow [2024-11-13 13:40:36,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2024-11-13 13:40:36,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:36,838 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:36,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:40:37,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:37,041 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2024-11-13 13:40:37,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:37,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1574054561, now seen corresponding path program 1 times [2024-11-13 13:40:37,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:37,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031830550] [2024-11-13 13:40:37,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:37,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:37,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:37,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:37,146 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:40:37,147 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 38 remaining) [2024-11-13 13:40:37,149 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining) [2024-11-13 13:40:37,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining) [2024-11-13 13:40:37,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining) [2024-11-13 13:40:37,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining) [2024-11-13 13:40:37,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining) [2024-11-13 13:40:37,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (31 of 38 remaining) [2024-11-13 13:40:37,150 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining) [2024-11-13 13:40:37,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining) [2024-11-13 13:40:37,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining) [2024-11-13 13:40:37,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining) [2024-11-13 13:40:37,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining) [2024-11-13 13:40:37,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining) [2024-11-13 13:40:37,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining) [2024-11-13 13:40:37,151 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining) [2024-11-13 13:40:37,152 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining) [2024-11-13 13:40:37,152 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining) [2024-11-13 13:40:37,152 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining) [2024-11-13 13:40:37,152 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining) [2024-11-13 13:40:37,152 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining) [2024-11-13 13:40:37,152 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining) [2024-11-13 13:40:37,152 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining) [2024-11-13 13:40:37,152 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining) [2024-11-13 13:40:37,153 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining) [2024-11-13 13:40:37,153 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 38 remaining) [2024-11-13 13:40:37,153 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (12 of 38 remaining) [2024-11-13 13:40:37,153 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining) [2024-11-13 13:40:37,153 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining) [2024-11-13 13:40:37,153 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining) [2024-11-13 13:40:37,153 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining) [2024-11-13 13:40:37,154 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining) [2024-11-13 13:40:37,154 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 38 remaining) [2024-11-13 13:40:37,154 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining) [2024-11-13 13:40:37,154 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining) [2024-11-13 13:40:37,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining) [2024-11-13 13:40:37,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining) [2024-11-13 13:40:37,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining) [2024-11-13 13:40:37,155 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining) [2024-11-13 13:40:37,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:40:37,156 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:37,158 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:40:37,159 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 13:40:37,225 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-13 13:40:37,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 270 transitions, 584 flow [2024-11-13 13:40:37,622 INFO L124 PetriNetUnfolderBase]: 131/1806 cut-off events. [2024-11-13 13:40:37,622 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-13 13:40:37,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1895 conditions, 1806 events. 131/1806 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10386 event pairs, 2 based on Foata normal form. 0/1423 useless extension candidates. Maximal degree in co-relation 1024. Up to 32 conditions per place. [2024-11-13 13:40:37,634 INFO L82 GeneralOperation]: Start removeDead. Operand has 257 places, 270 transitions, 584 flow [2024-11-13 13:40:37,651 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 257 places, 270 transitions, 584 flow [2024-11-13 13:40:37,653 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:40:37,653 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;@9b14871, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:40:37,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-13 13:40:37,658 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:40:37,658 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-13 13:40:37,658 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:40:37,658 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:37,658 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] [2024-11-13 13:40:37,658 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 13:40:37,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:37,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1105453174, now seen corresponding path program 1 times [2024-11-13 13:40:37,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:37,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549955222] [2024-11-13 13:40:37,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:37,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:37,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:37,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:37,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549955222] [2024-11-13 13:40:37,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549955222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:37,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:37,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:37,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105397862] [2024-11-13 13:40:37,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:37,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:37,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:37,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:37,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:37,886 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 270 [2024-11-13 13:40:37,888 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 270 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 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) [2024-11-13 13:40:37,888 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:37,888 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 270 [2024-11-13 13:40:37,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:39,757 INFO L124 PetriNetUnfolderBase]: 1200/6906 cut-off events. [2024-11-13 13:40:39,757 INFO L125 PetriNetUnfolderBase]: For 660/694 co-relation queries the response was YES. [2024-11-13 13:40:39,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9251 conditions, 6906 events. 1200/6906 cut-off events. For 660/694 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 60434 event pairs, 985 based on Foata normal form. 836/6537 useless extension candidates. Maximal degree in co-relation 4715. Up to 2070 conditions per place. [2024-11-13 13:40:39,881 INFO L140 encePairwiseOnDemand]: 257/270 looper letters, 39 selfloop transitions, 2 changer transitions 0/241 dead transitions. [2024-11-13 13:40:39,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 241 transitions, 608 flow [2024-11-13 13:40:39,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:39,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:40:39,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2024-11-13 13:40:39,885 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8493827160493828 [2024-11-13 13:40:39,885 INFO L175 Difference]: Start difference. First operand has 257 places, 270 transitions, 584 flow. Second operand 3 states and 688 transitions. [2024-11-13 13:40:39,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 241 transitions, 608 flow [2024-11-13 13:40:39,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 241 transitions, 608 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:40:39,893 INFO L231 Difference]: Finished difference. Result has 238 places, 241 transitions, 530 flow [2024-11-13 13:40:39,893 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=530, PETRI_PLACES=238, PETRI_TRANSITIONS=241} [2024-11-13 13:40:39,894 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -19 predicate places. [2024-11-13 13:40:39,895 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 241 transitions, 530 flow [2024-11-13 13:40:39,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.33333333333334) internal successors, (640), 3 states have internal predecessors, (640), 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) [2024-11-13 13:40:39,895 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:39,895 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] [2024-11-13 13:40:39,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:40:39,896 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 13:40:39,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:39,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1254414290, now seen corresponding path program 1 times [2024-11-13 13:40:39,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:39,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210038676] [2024-11-13 13:40:39,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:39,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:39,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:39,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210038676] [2024-11-13 13:40:39,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210038676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:39,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:39,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:39,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007529370] [2024-11-13 13:40:39,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:39,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:39,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:39,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:39,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:40,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 270 [2024-11-13 13:40:40,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 241 transitions, 530 flow. Second operand has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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) [2024-11-13 13:40:40,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:40,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 270 [2024-11-13 13:40:40,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:41,858 INFO L124 PetriNetUnfolderBase]: 1650/7274 cut-off events. [2024-11-13 13:40:41,858 INFO L125 PetriNetUnfolderBase]: For 671/689 co-relation queries the response was YES. [2024-11-13 13:40:41,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10494 conditions, 7274 events. 1650/7274 cut-off events. For 671/689 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 60728 event pairs, 1169 based on Foata normal form. 0/6508 useless extension candidates. Maximal degree in co-relation 10463. Up to 2412 conditions per place. [2024-11-13 13:40:41,965 INFO L140 encePairwiseOnDemand]: 247/270 looper letters, 41 selfloop transitions, 11 changer transitions 0/233 dead transitions. [2024-11-13 13:40:41,966 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 233 transitions, 618 flow [2024-11-13 13:40:41,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:40:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-11-13 13:40:41,968 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7975308641975308 [2024-11-13 13:40:41,968 INFO L175 Difference]: Start difference. First operand has 238 places, 241 transitions, 530 flow. Second operand 3 states and 646 transitions. [2024-11-13 13:40:41,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 233 transitions, 618 flow [2024-11-13 13:40:41,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 233 transitions, 614 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:40:41,974 INFO L231 Difference]: Finished difference. Result has 226 places, 229 transitions, 524 flow [2024-11-13 13:40:41,975 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=524, PETRI_PLACES=226, PETRI_TRANSITIONS=229} [2024-11-13 13:40:41,975 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -31 predicate places. [2024-11-13 13:40:41,976 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 229 transitions, 524 flow [2024-11-13 13:40:41,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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) [2024-11-13 13:40:41,976 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:41,977 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] [2024-11-13 13:40:41,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:40:41,977 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 13:40:41,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:41,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1049990901, now seen corresponding path program 1 times [2024-11-13 13:40:41,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:41,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813121464] [2024-11-13 13:40:41,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:41,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:42,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:42,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813121464] [2024-11-13 13:40:42,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813121464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:42,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:42,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:40:42,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851129391] [2024-11-13 13:40:42,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:42,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:42,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:42,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:42,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:42,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 270 [2024-11-13 13:40:42,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 229 transitions, 524 flow. Second operand has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 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) [2024-11-13 13:40:42,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:42,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 270 [2024-11-13 13:40:42,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:43,497 INFO L124 PetriNetUnfolderBase]: 630/4749 cut-off events. [2024-11-13 13:40:43,498 INFO L125 PetriNetUnfolderBase]: For 775/817 co-relation queries the response was YES. [2024-11-13 13:40:43,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6431 conditions, 4749 events. 630/4749 cut-off events. For 775/817 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 39440 event pairs, 228 based on Foata normal form. 42/4288 useless extension candidates. Maximal degree in co-relation 4117. Up to 682 conditions per place. [2024-11-13 13:40:43,567 INFO L140 encePairwiseOnDemand]: 258/270 looper letters, 37 selfloop transitions, 8 changer transitions 0/245 dead transitions. [2024-11-13 13:40:43,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 245 transitions, 670 flow [2024-11-13 13:40:43,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:40:43,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 724 transitions. [2024-11-13 13:40:43,571 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8938271604938272 [2024-11-13 13:40:43,571 INFO L175 Difference]: Start difference. First operand has 226 places, 229 transitions, 524 flow. Second operand 3 states and 724 transitions. [2024-11-13 13:40:43,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 245 transitions, 670 flow [2024-11-13 13:40:43,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 245 transitions, 648 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:40:43,581 INFO L231 Difference]: Finished difference. Result has 227 places, 233 transitions, 550 flow [2024-11-13 13:40:43,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=550, PETRI_PLACES=227, PETRI_TRANSITIONS=233} [2024-11-13 13:40:43,583 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -30 predicate places. [2024-11-13 13:40:43,583 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 233 transitions, 550 flow [2024-11-13 13:40:43,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.33333333333334) internal successors, (679), 3 states have internal predecessors, (679), 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) [2024-11-13 13:40:43,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:43,584 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] [2024-11-13 13:40:43,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:40:43,584 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 13:40:43,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:43,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1376266218, now seen corresponding path program 1 times [2024-11-13 13:40:43,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:43,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45862288] [2024-11-13 13:40:43,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:43,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:44,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:44,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45862288] [2024-11-13 13:40:44,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45862288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:44,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:44,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:40:44,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463338534] [2024-11-13 13:40:44,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:44,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:40:44,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:44,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:40:44,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:40:44,456 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 270 [2024-11-13 13:40:44,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 233 transitions, 550 flow. Second operand has 6 states, 6 states have (on average 206.66666666666666) internal successors, (1240), 6 states have internal predecessors, (1240), 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) [2024-11-13 13:40:44,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:44,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 270 [2024-11-13 13:40:44,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:46,338 INFO L124 PetriNetUnfolderBase]: 1558/7334 cut-off events. [2024-11-13 13:40:46,338 INFO L125 PetriNetUnfolderBase]: For 740/740 co-relation queries the response was YES. [2024-11-13 13:40:46,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10976 conditions, 7334 events. 1558/7334 cut-off events. For 740/740 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 61182 event pairs, 74 based on Foata normal form. 0/6827 useless extension candidates. Maximal degree in co-relation 4981. Up to 2728 conditions per place. [2024-11-13 13:40:46,418 INFO L140 encePairwiseOnDemand]: 264/270 looper letters, 62 selfloop transitions, 6 changer transitions 0/248 dead transitions. [2024-11-13 13:40:46,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 248 transitions, 716 flow [2024-11-13 13:40:46,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:40:46,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:40:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1295 transitions. [2024-11-13 13:40:46,423 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7993827160493827 [2024-11-13 13:40:46,423 INFO L175 Difference]: Start difference. First operand has 227 places, 233 transitions, 550 flow. Second operand 6 states and 1295 transitions. [2024-11-13 13:40:46,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 248 transitions, 716 flow [2024-11-13 13:40:46,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 248 transitions, 708 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:40:46,429 INFO L231 Difference]: Finished difference. Result has 230 places, 232 transitions, 552 flow [2024-11-13 13:40:46,430 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=552, PETRI_PLACES=230, PETRI_TRANSITIONS=232} [2024-11-13 13:40:46,432 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -27 predicate places. [2024-11-13 13:40:46,433 INFO L471 AbstractCegarLoop]: Abstraction has has 230 places, 232 transitions, 552 flow [2024-11-13 13:40:46,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 206.66666666666666) internal successors, (1240), 6 states have internal predecessors, (1240), 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) [2024-11-13 13:40:46,434 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:46,434 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] [2024-11-13 13:40:46,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 13:40:46,434 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 13:40:46,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:46,435 INFO L85 PathProgramCache]: Analyzing trace with hash 97765386, now seen corresponding path program 1 times [2024-11-13 13:40:46,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:46,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772717925] [2024-11-13 13:40:46,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:46,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:46,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:46,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772717925] [2024-11-13 13:40:46,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772717925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:46,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:46,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:46,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679814543] [2024-11-13 13:40:46,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:46,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:46,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:46,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:46,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:46,625 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 270 [2024-11-13 13:40:46,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 232 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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) [2024-11-13 13:40:46,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:46,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 270 [2024-11-13 13:40:46,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:48,129 INFO L124 PetriNetUnfolderBase]: 1177/6824 cut-off events. [2024-11-13 13:40:48,129 INFO L125 PetriNetUnfolderBase]: For 750/750 co-relation queries the response was YES. [2024-11-13 13:40:48,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9631 conditions, 6824 events. 1177/6824 cut-off events. For 750/750 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 58480 event pairs, 990 based on Foata normal form. 0/6258 useless extension candidates. Maximal degree in co-relation 4313. Up to 2049 conditions per place. [2024-11-13 13:40:48,188 INFO L140 encePairwiseOnDemand]: 267/270 looper letters, 43 selfloop transitions, 2 changer transitions 0/235 dead transitions. [2024-11-13 13:40:48,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 235 transitions, 648 flow [2024-11-13 13:40:48,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:40:48,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 682 transitions. [2024-11-13 13:40:48,191 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8419753086419753 [2024-11-13 13:40:48,191 INFO L175 Difference]: Start difference. First operand has 230 places, 232 transitions, 552 flow. Second operand 3 states and 682 transitions. [2024-11-13 13:40:48,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 235 transitions, 648 flow [2024-11-13 13:40:48,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 235 transitions, 636 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:40:48,198 INFO L231 Difference]: Finished difference. Result has 226 places, 231 transitions, 542 flow [2024-11-13 13:40:48,198 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=226, PETRI_TRANSITIONS=231} [2024-11-13 13:40:48,199 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -31 predicate places. [2024-11-13 13:40:48,199 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 231 transitions, 542 flow [2024-11-13 13:40:48,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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) [2024-11-13 13:40:48,200 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:48,200 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:48,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 13:40:48,201 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 13:40:48,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:48,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1428858145, now seen corresponding path program 1 times [2024-11-13 13:40:48,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:48,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682468191] [2024-11-13 13:40:48,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:48,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:48,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:48,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682468191] [2024-11-13 13:40:48,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682468191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:48,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436776581] [2024-11-13 13:40:48,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:48,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:48,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:48,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:48,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:40:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:48,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:40:48,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:48,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 13:40:48,494 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:40:48,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436776581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:48,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:40:48,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-13 13:40:48,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824216068] [2024-11-13 13:40:48,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:48,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:48,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:48,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:48,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:40:48,629 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 270 [2024-11-13 13:40:48,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 231 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 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) [2024-11-13 13:40:48,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:48,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 270 [2024-11-13 13:40:48,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:50,028 INFO L124 PetriNetUnfolderBase]: 1177/6779 cut-off events. [2024-11-13 13:40:50,029 INFO L125 PetriNetUnfolderBase]: For 752/752 co-relation queries the response was YES. [2024-11-13 13:40:50,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9548 conditions, 6779 events. 1177/6779 cut-off events. For 752/752 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 58138 event pairs, 990 based on Foata normal form. 0/6210 useless extension candidates. Maximal degree in co-relation 4812. Up to 2049 conditions per place. [2024-11-13 13:40:50,093 INFO L140 encePairwiseOnDemand]: 267/270 looper letters, 43 selfloop transitions, 2 changer transitions 0/234 dead transitions. [2024-11-13 13:40:50,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 234 transitions, 638 flow [2024-11-13 13:40:50,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:40:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:40:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 682 transitions. [2024-11-13 13:40:50,097 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8419753086419753 [2024-11-13 13:40:50,097 INFO L175 Difference]: Start difference. First operand has 226 places, 231 transitions, 542 flow. Second operand 3 states and 682 transitions. [2024-11-13 13:40:50,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 234 transitions, 638 flow [2024-11-13 13:40:50,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 234 transitions, 634 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:40:50,106 INFO L231 Difference]: Finished difference. Result has 225 places, 230 transitions, 540 flow [2024-11-13 13:40:50,106 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=540, PETRI_PLACES=225, PETRI_TRANSITIONS=230} [2024-11-13 13:40:50,107 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -32 predicate places. [2024-11-13 13:40:50,107 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 230 transitions, 540 flow [2024-11-13 13:40:50,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 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) [2024-11-13 13:40:50,108 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:50,108 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:50,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:40:50,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:50,313 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 13:40:50,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:50,313 INFO L85 PathProgramCache]: Analyzing trace with hash 65868682, now seen corresponding path program 1 times [2024-11-13 13:40:50,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:50,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292462166] [2024-11-13 13:40:50,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:50,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:50,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:50,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292462166] [2024-11-13 13:40:50,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292462166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:40:50,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398860163] [2024-11-13 13:40:50,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:50,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:40:50,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:40:50,525 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:40:50,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:40:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:50,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:40:50,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:40:50,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:50,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:40:50,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:50,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398860163] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:40:50,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:40:50,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 13:40:50,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960156507] [2024-11-13 13:40:50,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:40:50,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:40:50,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:50,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:40:50,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:40:51,538 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 270 [2024-11-13 13:40:51,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 230 transitions, 540 flow. Second operand has 10 states, 10 states have (on average 219.3) internal successors, (2193), 10 states have internal predecessors, (2193), 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) [2024-11-13 13:40:51,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:51,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 270 [2024-11-13 13:40:51,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:40:51,729 INFO L124 PetriNetUnfolderBase]: 62/390 cut-off events. [2024-11-13 13:40:51,729 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-13 13:40:51,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 390 events. 62/390 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1452 event pairs, 0 based on Foata normal form. 12/402 useless extension candidates. Maximal degree in co-relation 540. Up to 42 conditions per place. [2024-11-13 13:40:51,732 INFO L140 encePairwiseOnDemand]: 265/270 looper letters, 29 selfloop transitions, 7 changer transitions 0/80 dead transitions. [2024-11-13 13:40:51,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 80 transitions, 248 flow [2024-11-13 13:40:51,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:40:51,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-13 13:40:51,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1991 transitions. [2024-11-13 13:40:51,740 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8193415637860082 [2024-11-13 13:40:51,740 INFO L175 Difference]: Start difference. First operand has 225 places, 230 transitions, 540 flow. Second operand 9 states and 1991 transitions. [2024-11-13 13:40:51,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 80 transitions, 248 flow [2024-11-13 13:40:51,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 80 transitions, 248 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:40:51,743 INFO L231 Difference]: Finished difference. Result has 75 places, 60 transitions, 150 flow [2024-11-13 13:40:51,743 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=150, PETRI_PLACES=75, PETRI_TRANSITIONS=60} [2024-11-13 13:40:51,745 INFO L277 CegarLoopForPetriNet]: 257 programPoint places, -182 predicate places. [2024-11-13 13:40:51,746 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 60 transitions, 150 flow [2024-11-13 13:40:51,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 219.3) internal successors, (2193), 10 states have internal predecessors, (2193), 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) [2024-11-13 13:40:51,748 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:51,749 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:51,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:40:51,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb36e87c-8fad-4bd1-9b68-d3e044fee68a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 13:40:51,949 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 13:40:51,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:51,950 INFO L85 PathProgramCache]: Analyzing trace with hash -483591254, now seen corresponding path program 1 times [2024-11-13 13:40:51,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:51,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805773313] [2024-11-13 13:40:51,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:51,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:52,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:40:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:40:52,076 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:40:52,077 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:40:52,077 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 44 remaining) [2024-11-13 13:40:52,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (42 of 44 remaining) [2024-11-13 13:40:52,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (41 of 44 remaining) [2024-11-13 13:40:52,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (40 of 44 remaining) [2024-11-13 13:40:52,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (39 of 44 remaining) [2024-11-13 13:40:52,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (38 of 44 remaining) [2024-11-13 13:40:52,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (37 of 44 remaining) [2024-11-13 13:40:52,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 44 remaining) [2024-11-13 13:40:52,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 44 remaining) [2024-11-13 13:40:52,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (34 of 44 remaining) [2024-11-13 13:40:52,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 44 remaining) [2024-11-13 13:40:52,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 44 remaining) [2024-11-13 13:40:52,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 44 remaining) [2024-11-13 13:40:52,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (30 of 44 remaining) [2024-11-13 13:40:52,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (29 of 44 remaining) [2024-11-13 13:40:52,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 44 remaining) [2024-11-13 13:40:52,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (27 of 44 remaining) [2024-11-13 13:40:52,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 44 remaining) [2024-11-13 13:40:52,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 44 remaining) [2024-11-13 13:40:52,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (24 of 44 remaining) [2024-11-13 13:40:52,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (23 of 44 remaining) [2024-11-13 13:40:52,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 44 remaining) [2024-11-13 13:40:52,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (21 of 44 remaining) [2024-11-13 13:40:52,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (20 of 44 remaining) [2024-11-13 13:40:52,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (19 of 44 remaining) [2024-11-13 13:40:52,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (18 of 44 remaining) [2024-11-13 13:40:52,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (17 of 44 remaining) [2024-11-13 13:40:52,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (16 of 44 remaining) [2024-11-13 13:40:52,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (15 of 44 remaining) [2024-11-13 13:40:52,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (14 of 44 remaining) [2024-11-13 13:40:52,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (13 of 44 remaining) [2024-11-13 13:40:52,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 44 remaining) [2024-11-13 13:40:52,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (11 of 44 remaining) [2024-11-13 13:40:52,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (10 of 44 remaining) [2024-11-13 13:40:52,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (9 of 44 remaining) [2024-11-13 13:40:52,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (8 of 44 remaining) [2024-11-13 13:40:52,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (7 of 44 remaining) [2024-11-13 13:40:52,085 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (6 of 44 remaining) [2024-11-13 13:40:52,085 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (5 of 44 remaining) [2024-11-13 13:40:52,085 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (4 of 44 remaining) [2024-11-13 13:40:52,085 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (3 of 44 remaining) [2024-11-13 13:40:52,085 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (2 of 44 remaining) [2024-11-13 13:40:52,085 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (1 of 44 remaining) [2024-11-13 13:40:52,085 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (0 of 44 remaining) [2024-11-13 13:40:52,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:40:52,086 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:40:52,087 WARN L247 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 13:40:52,087 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-13 13:40:52,160 INFO L143 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2024-11-13 13:40:52,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 305 places, 323 transitions, 718 flow [2024-11-13 13:40:53,507 INFO L124 PetriNetUnfolderBase]: 544/5922 cut-off events. [2024-11-13 13:40:53,507 INFO L125 PetriNetUnfolderBase]: For 419/419 co-relation queries the response was YES. [2024-11-13 13:40:53,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6358 conditions, 5922 events. 544/5922 cut-off events. For 419/419 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 46446 event pairs, 64 based on Foata normal form. 0/4701 useless extension candidates. Maximal degree in co-relation 3404. Up to 192 conditions per place. [2024-11-13 13:40:53,555 INFO L82 GeneralOperation]: Start removeDead. Operand has 305 places, 323 transitions, 718 flow [2024-11-13 13:40:53,620 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 305 places, 323 transitions, 718 flow [2024-11-13 13:40:53,622 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:40:53,622 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;@9b14871, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:40:53,622 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-13 13:40:53,624 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:40:53,624 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-13 13:40:53,624 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:40:53,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:40:53,625 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] [2024-11-13 13:40:53,625 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:40:53,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:40:53,625 INFO L85 PathProgramCache]: Analyzing trace with hash -561985334, now seen corresponding path program 1 times [2024-11-13 13:40:53,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:40:53,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035352589] [2024-11-13 13:40:53,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:40:53,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:40:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:40:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:40:53,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:40:53,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035352589] [2024-11-13 13:40:53,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035352589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:40:53,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:40:53,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:40:53,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366883676] [2024-11-13 13:40:53,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:40:53,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:40:53,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:40:53,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:40:53,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:40:53,798 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 323 [2024-11-13 13:40:53,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 323 transitions, 718 flow. Second operand has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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) [2024-11-13 13:40:53,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:40:53,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 323 [2024-11-13 13:40:53,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:41:05,981 INFO L124 PetriNetUnfolderBase]: 12815/48824 cut-off events. [2024-11-13 13:41:05,981 INFO L125 PetriNetUnfolderBase]: For 7466/8012 co-relation queries the response was YES. [2024-11-13 13:41:06,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70847 conditions, 48824 events. 12815/48824 cut-off events. For 7466/8012 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 564279 event pairs, 10886 based on Foata normal form. 9883/50645 useless extension candidates. Maximal degree in co-relation 36613. Up to 19303 conditions per place. [2024-11-13 13:41:07,136 INFO L140 encePairwiseOnDemand]: 307/323 looper letters, 47 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-13 13:41:07,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 276 places, 282 transitions, 734 flow [2024-11-13 13:41:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:41:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:41:07,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 816 transitions. [2024-11-13 13:41:07,139 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8421052631578947 [2024-11-13 13:41:07,140 INFO L175 Difference]: Start difference. First operand has 305 places, 323 transitions, 718 flow. Second operand 3 states and 816 transitions. [2024-11-13 13:41:07,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 276 places, 282 transitions, 734 flow [2024-11-13 13:41:07,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 282 transitions, 734 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 13:41:07,155 INFO L231 Difference]: Finished difference. Result has 276 places, 282 transitions, 640 flow [2024-11-13 13:41:07,156 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=276, PETRI_TRANSITIONS=282} [2024-11-13 13:41:07,157 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -29 predicate places. [2024-11-13 13:41:07,157 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 282 transitions, 640 flow [2024-11-13 13:41:07,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 252.33333333333334) internal successors, (757), 3 states have internal predecessors, (757), 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) [2024-11-13 13:41:07,157 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:41:07,158 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] [2024-11-13 13:41:07,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 13:41:07,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:41:07,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:07,158 INFO L85 PathProgramCache]: Analyzing trace with hash -321551437, now seen corresponding path program 1 times [2024-11-13 13:41:07,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:07,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752699820] [2024-11-13 13:41:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:07,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:07,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:07,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752699820] [2024-11-13 13:41:07,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752699820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:41:07,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:41:07,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:41:07,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056020878] [2024-11-13 13:41:07,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:41:07,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:41:07,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:07,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:41:07,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:41:07,287 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 323 [2024-11-13 13:41:07,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 282 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2024-11-13 13:41:07,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:41:07,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 323 [2024-11-13 13:41:07,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:41:20,849 INFO L124 PetriNetUnfolderBase]: 17515/54357 cut-off events. [2024-11-13 13:41:20,849 INFO L125 PetriNetUnfolderBase]: For 7723/8171 co-relation queries the response was YES. [2024-11-13 13:41:21,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83924 conditions, 54357 events. 17515/54357 cut-off events. For 7723/8171 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 587685 event pairs, 12762 based on Foata normal form. 0/49200 useless extension candidates. Maximal degree in co-relation 83891. Up to 22195 conditions per place. [2024-11-13 13:41:22,168 INFO L140 encePairwiseOnDemand]: 300/323 looper letters, 51 selfloop transitions, 11 changer transitions 0/276 dead transitions. [2024-11-13 13:41:22,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 276 transitions, 752 flow [2024-11-13 13:41:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:41:22,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:41:22,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 773 transitions. [2024-11-13 13:41:22,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7977296181630547 [2024-11-13 13:41:22,171 INFO L175 Difference]: Start difference. First operand has 276 places, 282 transitions, 640 flow. Second operand 3 states and 773 transitions. [2024-11-13 13:41:22,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 276 transitions, 752 flow [2024-11-13 13:41:22,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 276 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:41:22,198 INFO L231 Difference]: Finished difference. Result has 264 places, 270 transitions, 634 flow [2024-11-13 13:41:22,198 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=264, PETRI_TRANSITIONS=270} [2024-11-13 13:41:22,199 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -41 predicate places. [2024-11-13 13:41:22,199 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 270 transitions, 634 flow [2024-11-13 13:41:22,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2024-11-13 13:41:22,200 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:41:22,200 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] [2024-11-13 13:41:22,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 13:41:22,200 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:41:22,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:22,201 INFO L85 PathProgramCache]: Analyzing trace with hash -982749003, now seen corresponding path program 1 times [2024-11-13 13:41:22,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:22,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470672846] [2024-11-13 13:41:22,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:22,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:22,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:22,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:22,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470672846] [2024-11-13 13:41:22,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470672846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:41:22,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:41:22,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:41:22,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24092990] [2024-11-13 13:41:22,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:41:22,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:41:22,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:22,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:41:22,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:41:22,361 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 323 [2024-11-13 13:41:22,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 270 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 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) [2024-11-13 13:41:22,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:41:22,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 323 [2024-11-13 13:41:22,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:41:30,957 INFO L124 PetriNetUnfolderBase]: 8365/37548 cut-off events. [2024-11-13 13:41:30,957 INFO L125 PetriNetUnfolderBase]: For 10106/10660 co-relation queries the response was YES. [2024-11-13 13:41:31,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55379 conditions, 37548 events. 8365/37548 cut-off events. For 10106/10660 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 454667 event pairs, 3344 based on Foata normal form. 300/33580 useless extension candidates. Maximal degree in co-relation 37016. Up to 8245 conditions per place. [2024-11-13 13:41:31,429 INFO L140 encePairwiseOnDemand]: 311/323 looper letters, 51 selfloop transitions, 8 changer transitions 0/292 dead transitions. [2024-11-13 13:41:31,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 292 transitions, 832 flow [2024-11-13 13:41:31,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:41:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:41:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2024-11-13 13:41:31,433 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8823529411764706 [2024-11-13 13:41:31,433 INFO L175 Difference]: Start difference. First operand has 264 places, 270 transitions, 634 flow. Second operand 3 states and 855 transitions. [2024-11-13 13:41:31,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 292 transitions, 832 flow [2024-11-13 13:41:31,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 292 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:41:31,455 INFO L231 Difference]: Finished difference. Result has 265 places, 274 transitions, 660 flow [2024-11-13 13:41:31,455 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=660, PETRI_PLACES=265, PETRI_TRANSITIONS=274} [2024-11-13 13:41:31,455 INFO L277 CegarLoopForPetriNet]: 305 programPoint places, -40 predicate places. [2024-11-13 13:41:31,455 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 274 transitions, 660 flow [2024-11-13 13:41:31,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 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) [2024-11-13 13:41:31,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:41:31,456 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] [2024-11-13 13:41:31,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 13:41:31,456 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-13 13:41:31,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:31,457 INFO L85 PathProgramCache]: Analyzing trace with hash -518847733, now seen corresponding path program 1 times [2024-11-13 13:41:31,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:31,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911222486] [2024-11-13 13:41:31,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:31,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:41:31,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:31,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911222486] [2024-11-13 13:41:31,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911222486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:41:31,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:41:31,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:41:31,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487871822] [2024-11-13 13:41:31,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:41:31,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:41:31,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:31,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:41:31,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:41:32,083 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 323 [2024-11-13 13:41:32,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 274 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 245.66666666666666) internal successors, (1474), 6 states have internal predecessors, (1474), 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) [2024-11-13 13:41:32,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:41:32,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 323 [2024-11-13 13:41:32,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand